{"product_id":"hp-866b-wm-weather-meter-anemometer-wind-speed-temperature-humidity-barometer-altitude","title":"HP-866B-WM Weather Meter Anemometer Wind Speed Temperature Humidity Barometer Altitude","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eAuto Power Off\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eAfter 10 minutes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBacklight\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes manual button\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBarometric Pressure Range\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e10 to 1100 hPa mbar\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBattery Included\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eHoldPeak\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCertification\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eCE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eData Record\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNo\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDew Point Range\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eminus 10 to 45 degree Celsius\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDisplay\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLCD with backlight\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDisplay Size\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e1.9 Inches \u0026amp; Under\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDisplay Type\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDIGITAL\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eElectronic\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNo\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eFeature 1\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e5 in 1 measurement wind speed temperature humidity barometric pressure and altitude\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eFeature 10\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eAuto power off after 10 minutes saves battery life\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eFeature 11\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLow battery indication alerts when battery needs replacement\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eFeature 12\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eCompact handheld design for easy portability\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eFeature 13\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eWide range of applications for outdoor activities and professional use\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eFeature 14\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eEasy one hand operation with intuitive button layout\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eFeature 2\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e8 leaf wind wheel with low friction bearing for more accurate measurement\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eFeature 3\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDual temperature sensors for improved accuracy compared to single sensor\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eFeature 4\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e5 wind speed units switchable m\/s km\/h ft\/min knots mph\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eFeature 5\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eBarometric pressure measurement with hPa inHg and mbar units\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eFeature 6\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eAltitude measurement up to 9000m with m and ft units\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eFeature 7\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDew point and wind chill temperature display\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eFeature 8\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMAX MIN AVG recording for wind speed measurement\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eFeature 9\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLarge LCD display with backlight for clear reading in dark environments\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHoldpeak Model\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eHP-866B-WM\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHumidity Range\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e5 to 95 percent RH\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHumidity accuracy\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e±5%RH\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eIs Smart Device\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eno\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eMax Measuring Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e49°C \u0026amp; Under\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eMeasurement Modes\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eCurrent Average Max Min\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eModel Number\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eHP-866B-WM\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePower Source\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eAaa Battery\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePower Type\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eAaa Battery\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSemi-finishedproduct\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNo\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSensor Type\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e8-leaf wind wheel with low friction bearing\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eStyle\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eHandheld\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eTemperature Sensor\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDual temperature sensors\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eTheory\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMultifunctional Thermometer\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eUse\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eIndustrial\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eWind Chill Range\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eminus 10 to 45 degree Celsius\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003esemi_Choice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_text-image\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-title\"\u003eHP-866B-WM Weather Meter – 5-in-1 Handheld Anemometer with Wind Speed Temperature Humidity Barometer Altitude Backlight\u003c\/p\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003eThe HP-866B-WM is a professional 5-in-1 handheld weather meter designed for comprehensive environmental monitoring. It accurately measures wind speed, temperature, humidity, barometric pressure, and altitude in one compact device. Features an 8-leaf wind wheel with low friction bearing technology for more accurate measurement, dual temperature sensors for improved accuracy, large LCD display with backlight, 5 wind speed units (m\/s, km\/h, ft\/min, knots, mph), MAX\/MIN\/AVG recording, wind chill and dew point calculation, auto power off after 10 minutes, and low battery indication. Powered by 2 x AAA batteries (included). Ideal for sailing, fishing, drone flying, HVAC system testing, outdoor sports, and industrial ventilation applications.\u003cbr\u003e\u003cbr\u003eCore Features\u003cbr\u003e\u003cbr\u003eDisplay – Large LCD with backlight\u003cbr\u003e\u003cbr\u003eWind Speed Range – 0.3 to 30 m\/s\u003cbr\u003e\u003cbr\u003eWind Speed Accuracy – ±5%\u003cbr\u003e\u003cbr\u003eTemperature Range – -10°C to 45°C\u003cbr\u003e\u003cbr\u003eHumidity Range – 5% to 95% RH\u003cbr\u003e\u003cbr\u003eBarometric Pressure – 10 to 1100 hPa\u003cbr\u003e\u003cbr\u003eAltitude Range – 0 to 9000m\u003cbr\u003e\u003cbr\u003ePower Supply – 2 x 1.5V AAA batteries (included)\u003cbr\u003e\u003cbr\u003eWeight – Approximately 153g to 200g\u003cbr\u003e\u003cbr\u003eDimension – Approximately 165 x 85 x 38 mm\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sb29fcf1a1059478795d32cebeffd008cU.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text-image\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-title\"\u003eProduct Structure and Parts Identification\u003c\/p\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003eThe HP-866B-WM features an ergonomic handheld design with 8-leaf wind wheel and intuitive button layout.\u003cbr\u003e\u003cbr\u003eNumber\tPart Name\tDescription\u003cbr\u003e1\t8-Leaf Wind Wheel\tLow friction bearing technology for accurate wind speed measurement\u003cbr\u003e2\tDual Temperature Sensors\tTwo sensors for improved temperature accuracy\u003cbr\u003e3\tLCD Display\tLarge display with backlight showing wind speed, temperature, humidity, barometer, altitude\u003cbr\u003e4\tPower Button\tPress 1 second to turn on\/off; Auto power off after 10 minutes\u003cbr\u003e5\tUNIT Button\tSwitch wind speed units: m\/s, km\/h, ft\/min, knots, mph\u003cbr\u003e6\tMAX\/MIN\/AVG Button\tSwitch between current, maximum, minimum, and average wind speed\u003cbr\u003e7\t°C\/°F Button\tSwitch temperature units\u003cbr\u003e8\tMode Button\tSwitch between Wind, Baro, Alt, TRH modes\u003cbr\u003e9\tBacklight Button\tPress to turn on backlight for 15 seconds\u003cbr\u003e10\tBattery Compartment\tHolds 2 x AAA batteries\u003cbr\u003eButton Functions Summary\u003cbr\u003e\u003cbr\u003eButton\tShort Press\tLong Press\u003cbr\u003ePower\tTurn on\/off\t-\u003cbr\u003eUNIT\tCycle wind speed units\t-\u003cbr\u003eMAX\/MIN\/AVG\tCycle current\/max\/min\/avg\t-\u003cbr\u003e°C\/°F\tSwitch °C\/°F\t-\u003cbr\u003eMode\tSwitch measurement modes\tStore barometric data \/ Adjust settings\u003cbr\u003eBacklight\tTurn on backlight (15s auto off)\t-\u003cbr\u003eMeasurement Modes\u003cbr\u003e\u003cbr\u003eMode\tDisplayed Parameters\u003cbr\u003eWind\tWind speed, temperature, wind chill\u003cbr\u003eBaro\tBarometric pressure (hPa\/inHg\/mbar)\u003cbr\u003eAlt\tAltitude (m\/ft)\u003cbr\u003eTRH\tTemperature, relative humidity, dew point\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S43208e90bcd746c1b3056e5bc4e14870C.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text-image\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-title\"\u003eLCD Display and Function Icons\u003c\/p\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003eThe large LCD display with backlight shows comprehensive measurement data and function indicators.\u003cbr\u003e\u003cbr\u003eIcon or Indicator\tMeaning\u003cbr\u003eWIND\tWind speed measurement mode\u003cbr\u003eBARO\tBarometric pressure mode\u003cbr\u003eALT\tAltitude measurement mode\u003cbr\u003eTRH\tTemperature\/Relative Humidity mode\u003cbr\u003em\/s \/ km\/h \/ ft\/min \/ knots \/ mph\tWind speed units\u003cbr\u003e°C \/ °F\tTemperature units\u003cbr\u003ehPa \/ inHg \/ mbar\tBarometric pressure units\u003cbr\u003em \/ ft\tAltitude units\u003cbr\u003eMAX\tMaximum value mode\u003cbr\u003eMIN\tMinimum value mode\u003cbr\u003eAVG\tAverage value mode\u003cbr\u003eWIND CHILL\tWind chill temperature indicator\u003cbr\u003eDP\tDew point indicator\u003cbr\u003eRH%\tRelative humidity indicator\u003cbr\u003eBattery icon\tLow battery indication\u003cbr\u003eBacklight icon\tBacklight on\u003cbr\u003eDisplay Features\u003cbr\u003e\u003cbr\u003eLarge digits for easy reading\u003cbr\u003e\u003cbr\u003eMultiple parameter display simultaneously\u003cbr\u003e\u003cbr\u003eBacklight for dark environments (15 seconds auto off)\u003cbr\u003e\u003cbr\u003eUnit symbols for all measurement modes\u003cbr\u003e\u003cbr\u003eMode indicators for quick identification\u003cbr\u003e\u003cbr\u003eWind Speed Units\u003cbr\u003e\u003cbr\u003eUnit\tFull Name\tCommon Use\u003cbr\u003em\/s\tMeters per second\tScientific\/standard\u003cbr\u003ekm\/h\tKilometers per hour\tWeather\/wind speed\u003cbr\u003eft\/min\tFeet per minute\tHVAC industry\u003cbr\u003eknots\tNautical miles per hour\tMarine\/aviation\u003cbr\u003emph\tMiles per hour\tGeneral US use\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S53a1c1b65654492686e9d8f16efe1530j.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text-image\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-title\"\u003eTechnical Specifications\u003c\/p\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003eGeneral Specifications\u003cbr\u003e\u003cbr\u003eParameter\tSpecification\u003cbr\u003eDisplay\tLarge LCD with backlight\u003cbr\u003eWind Speed Range\t0.3 to 30 m\/s\u003cbr\u003eWind Speed Accuracy\t±5%\u003cbr\u003eWind Speed Resolution\t0.1 m\/s\u003cbr\u003eWind Speed Units\tm\/s, km\/h, ft\/min, knots, mph\u003cbr\u003eTemperature Range\t-10°C to 45°C \/ 14°F to 113°F\u003cbr\u003eTemperature Accuracy\t±2°C\u003cbr\u003eTemperature Resolution\t0.2°C\u003cbr\u003eTemperature Unit\t°C \/ °F switchable\u003cbr\u003eHumidity Range\t5% to 95% RH\u003cbr\u003eHumidity Resolution\t0.1% RH\u003cbr\u003eBarometric Pressure Range\t10 to 1100 hPa\u003cbr\u003eBarometric Pressure Units\thPa, inHg, mbar\u003cbr\u003eAltitude Range\t0 to 9000m\u003cbr\u003eAltitude Units\tm, ft\u003cbr\u003eSensor Type\t8-leaf wind wheel with low friction bearing\u003cbr\u003eTemperature Sensor\tDual temperature sensors\u003cbr\u003eAuto Power Off\tAfter 10 minutes\u003cbr\u003eBacklight\tManual button, 15 seconds auto off\u003cbr\u003eLow Battery Indication\tYes\u003cbr\u003ePower Supply\t2 x 1.5V AAA batteries\u003cbr\u003eBattery Included\tYes\u003cbr\u003eOperating Temperature\t-10°C to 45°C\u003cbr\u003eOperating Humidity\t≤90% RH\u003cbr\u003eStorage Temperature\t-40°C to 60°C\u003cbr\u003eCurrent Consumption\tApproximately 3mA\u003cbr\u003eWeight\tApproximately 153g (including battery)\u003cbr\u003eWind Speed Unit Conversion\u003cbr\u003e\u003cbr\u003eUnit\tRange\tResolution\u003cbr\u003em\/s\t0.3 to 30\t0.1\u003cbr\u003eft\/min\t59 to 5905\t19\u003cbr\u003eknots\t1 to 55\t0.2\u003cbr\u003ekm\/h\t2 to 90\t0.3\u003cbr\u003emph\t1 to 65\t0.2\u003cbr\u003eTemperature Sensor\u003cbr\u003e\u003cbr\u003eType: NTC thermistor\u003cbr\u003e\u003cbr\u003eDual sensor design for improved accuracy\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sa8c03a32b53d4078aa9a93c43bc80336c.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-title\"\u003e8-Leaf Wind Wheel \u0026amp; Dual Temperature Sensors\u003c\/p\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003e8-Leaf Wind Wheel Design\u003cbr\u003e\u003cbr\u003eThe HP-866B-WM features an 8-leaf wind wheel with low friction bearing technology for more accurate wind speed measurement.\u003cbr\u003e\u003cbr\u003eAdvantages of 8-Leaf Design\u003cbr\u003e\u003cbr\u003eFeature\tBenefit\u003cbr\u003e8-Leaf Vane\tMore sensitive to low wind speeds\u003cbr\u003eLow Friction Bearing\tReduced resistance for accurate readings\u003cbr\u003eUpgraded Design\tMore accurate than traditional designs\u003cbr\u003eFast Response\tInstantaneous wind speed detection\u003cbr\u003eDual Temperature Sensors\u003cbr\u003e\u003cbr\u003eThe HP-866B-WM is equipped with dual temperature sensors for improved accuracy compared to single sensor designs.\u003cbr\u003e\u003cbr\u003eAdvantages of Dual Sensors\u003cbr\u003e\u003cbr\u003eFeature\tBenefit\u003cbr\u003eTwo Sensors\tImproved measurement accuracy\u003cbr\u003eCross-Reference\tReduces measurement errors\u003cbr\u003eRedundancy\tMore reliable readings\u003cbr\u003eBetter Response\tFaster temperature detection\u003cbr\u003eMeasurement Tips\u003cbr\u003e\u003cbr\u003eKeep the wind wheel unobstructed during measurement\u003cbr\u003e\u003cbr\u003eHold the device steady for accurate readings\u003cbr\u003e\u003cbr\u003eFor best results, hold the device at arm's length\u003cbr\u003e\u003cbr\u003eAvoid measuring near heat sources or reflective surfaces\u003cbr\u003e\u003cbr\u003eThe wind wheel should be perpendicular to the wind direction\u003cbr\u003e\u003cbr\u003eWind Speed Measurement\u003cbr\u003e\u003cbr\u003eMeasures both current and average wind speeds\u003cbr\u003e\u003cbr\u003eRecords maximum and minimum readings\u003cbr\u003e\u003cbr\u003eWind chill calculation based on temperature and wind speed\u003cbr\u003e\u003cbr\u003e5 different units for global use\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S43208e90bcd746c1b3056e5bc4e14870C.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-title\"\u003eBarometer \u0026amp; Altimeter Functions\u003c\/p\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003eBarometric Pressure Measurement\u003cbr\u003e\u003cbr\u003eThe HP-866B-WM measures barometric pressure from 10 to 1100 hPa with multiple unit options.\u003cbr\u003e\u003cbr\u003eParameter\tValue\u003cbr\u003eMeasurement Range\t10 to 1100 hPa\u003cbr\u003eUnits\thPa, inHg, mbar\u003cbr\u003eBarometer Indicator\tVisual display on screen\u003cbr\u003eBarometric Pressure Units\u003cbr\u003e\u003cbr\u003eUnit\tFull Name\tCommon Use\u003cbr\u003ehPa\tHectopascal\tInternational standard\u003cbr\u003embar\tMillibar\tCommon weather unit\u003cbr\u003einHg\tInches of Mercury\tUS standard\u003cbr\u003eAltitude Measurement\u003cbr\u003e\u003cbr\u003eThe device measures altitude up to 9000m with both metric and imperial units.\u003cbr\u003e\u003cbr\u003eParameter\tValue\u003cbr\u003eMeasurement Range\t0 to 9000m\u003cbr\u003eUnits\tm (meters) \/ ft (feet)\u003cbr\u003eHow Barometer Works\u003cbr\u003e\u003cbr\u003eMeasures atmospheric pressure\u003cbr\u003e\u003cbr\u003eConverts pressure to altitude reading\u003cbr\u003e\u003cbr\u003eDisplays current altitude\u003cbr\u003e\u003cbr\u003eUseful for hiking, climbing, and outdoor activities\u003cbr\u003e\u003cbr\u003eHow to Use Barometer\/Altimeter\u003cbr\u003e\u003cbr\u003ePress MODE button to select BARO or ALT mode\u003cbr\u003e\u003cbr\u003eView current barometric pressure or altitude reading\u003cbr\u003e\u003cbr\u003eLong press to store barometric data\u003cbr\u003e\u003cbr\u003eLong press to adjust altitude settings\u003cbr\u003e\u003cbr\u003eApplications\u003cbr\u003e\u003cbr\u003eHiking and mountain climbing altitude tracking\u003cbr\u003e\u003cbr\u003eWeather monitoring and forecasting\u003cbr\u003e\u003cbr\u003eOutdoor sports altitude measurement\u003cbr\u003e\u003cbr\u003eAviation and flight planning\u003cbr\u003e\u003cbr\u003eBuilding and construction site elevation\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S53a1c1b65654492686e9d8f16efe1530j.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-title\"\u003eTemperature Humidity \u0026amp; Dew Point Measurement\u003c\/p\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003eTemperature Measurement\u003cbr\u003e\u003cbr\u003eThe HP-866B-WM measures ambient temperature with dual sensor accuracy.\u003cbr\u003e\u003cbr\u003eParameter\tValue\u003cbr\u003eMeasurement Range\t-10°C to 45°C \/ 14°F to 113°F\u003cbr\u003eAccuracy\t±2°C\u003cbr\u003eResolution\t0.2°C\u003cbr\u003eUnits\t°C \/ °F switchable\u003cbr\u003eHumidity Measurement\u003cbr\u003e\u003cbr\u003eThe device measures relative humidity for comprehensive environmental monitoring.\u003cbr\u003e\u003cbr\u003eParameter\tValue\u003cbr\u003eMeasurement Range\t5% to 95% RH\u003cbr\u003eResolution\t0.1% RH\u003cbr\u003eDew Point Calculation\u003cbr\u003e\u003cbr\u003eThe HP-866B-WM automatically calculates and displays dew point temperature.\u003cbr\u003e\u003cbr\u003eParameter\tValue\u003cbr\u003eDisplay\tDP indicator on screen\u003cbr\u003eUnits\t°C \/ °F\u003cbr\u003eWind Chill Calculation\u003cbr\u003e\u003cbr\u003eThe device calculates wind chill based on temperature and wind speed.\u003cbr\u003e\u003cbr\u003eParameter\tValue\u003cbr\u003eDisplay\tWIND CHILL indicator\u003cbr\u003eUnits\t°C \/ °F\u003cbr\u003eApplications for Dew Point \u0026amp; Wind Chill\u003cbr\u003e\u003cbr\u003eFeature\tApplication\u003cbr\u003eDew Point\tPredict condensation, assess comfort levels\u003cbr\u003eWind Chill\tEvaluate cold weather safety, outdoor planning\u003cbr\u003eTRH Mode Display\u003cbr\u003e\u003cbr\u003eIn TRH mode, the LCD shows:\u003cbr\u003e\u003cbr\u003eTemperature (°C\/°F)\u003cbr\u003e\u003cbr\u003eRelative Humidity (RH%)\u003cbr\u003e\u003cbr\u003eDew Point (DP-°C\/DP-°F)\u003cbr\u003e\u003cbr\u003eWind Chill (WCL-°C\/WCL-°F)\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S5ede8cd0319d42b88b3423b956108fc4s.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-title\"\u003eMAX\/MIN\/AVG Recording \u0026amp; Backlight\u003c\/p\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003eMAX\/MIN\/AVG Recording Mode\u003cbr\u003e\u003cbr\u003eThe HP-866B-WM records current, maximum, minimum, and average wind speed values for comprehensive analysis.\u003cbr\u003e\u003cbr\u003eHow to Use MAX\/MIN\/AVG Mode\u003cbr\u003e\u003cbr\u003ePress MAX\/MIN\/AVG button to cycle through modes\u003cbr\u003e\u003cbr\u003e\"CURRENT\" – displays real-time wind speed\u003cbr\u003e\u003cbr\u003e\"MAX\" – displays the maximum wind speed recorded\u003cbr\u003e\u003cbr\u003e\"MIN\" – displays the minimum wind speed recorded\u003cbr\u003e\u003cbr\u003e\"AVG\" – displays the average wind speed over 15 seconds\u003cbr\u003e\u003cbr\u003eApplications for MAX\/MIN\/AVG\u003cbr\u003e\u003cbr\u003eMode\tApplication\u003cbr\u003eMAX\tFind peak wind speeds for safety assessment\u003cbr\u003eMIN\tIdentify minimum air flow in HVAC systems\u003cbr\u003eAVG\tAverage wind conditions for long-term monitoring\u003cbr\u003eBacklight Function\u003cbr\u003e\u003cbr\u003eThe HP-866B-WM features a built-in backlight for clear reading in dark environments.\u003cbr\u003e\u003cbr\u003eHow to Use Backlight\u003cbr\u003e\u003cbr\u003ePress the backlight button once\u003cbr\u003e\u003cbr\u003eLCD screen illuminates for easy reading\u003cbr\u003e\u003cbr\u003eBacklight automatically turns off after 15 seconds\u003cbr\u003e\u003cbr\u003ePress again to turn on if needed\u003cbr\u003e\u003cbr\u003eWhen to Use Backlight\u003cbr\u003e\u003cbr\u003eNight time outdoor measurements\u003cbr\u003e\u003cbr\u003eDark indoor environments\u003cbr\u003e\u003cbr\u003eEarly morning or late evening readings\u003cbr\u003e\u003cbr\u003ePoor lighting conditions\u003cbr\u003e\u003cbr\u003eAuto Power Off\u003cbr\u003e\u003cbr\u003eThe meter automatically powers off after 10 minutes of no operation to save battery life.\u003cbr\u003e\u003cbr\u003eLow Battery Indication\u003cbr\u003e\u003cbr\u003eBattery icon appears on display when voltage is low\u003cbr\u003e\u003cbr\u003eReplace batteries when icon appears\u003cbr\u003e\u003cbr\u003eUse 2 x 1.5V AAA batteries\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sc61e4b7f5afd421fa5fdb3d40fbb081aQ.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-title\"\u003eApplications and Suitable For\u003c\/p\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003eThe HP-866B-WM weather meter is suitable for a wide range of professional and outdoor applications.\u003cbr\u003e\u003cbr\u003ePrimary Applications\u003cbr\u003e\u003cbr\u003eIndustry\/Scenario\tUse Case\u003cbr\u003eSailing \u0026amp; Boating\tWind speed and weather monitoring on water\u003cbr\u003eFishing\tWind conditions assessment for fishing trips\u003cbr\u003eDrone Flying\tPre-flight wind speed checking\u003cbr\u003eHVAC Systems\tAir flow and ventilation measurement\u003cbr\u003eOutdoor Sports\tCamping, hiking, climbing weather monitoring\u003cbr\u003eIndustrial\tExhaust system and ventilation testing\u003cbr\u003eScientific Research\tEnvironmental data collection\u003cbr\u003eHome Weather\tPersonal weather station supplement\u003cbr\u003eMeasurement Capabilities Summary\u003cbr\u003e\u003cbr\u003eFeature\tMeasurement\u003cbr\u003eWind Speed\t0.3-30 m\/s, 5 units\u003cbr\u003eTemperature\t-10°C to 45°C\u003cbr\u003eHumidity\t5% to 95% RH\u003cbr\u003eBarometric Pressure\t10-1100 hPa\u003cbr\u003eAltitude\t0-9000m\u003cbr\u003eWind Chill\tCalculated\u003cbr\u003eDew Point\tCalculated\u003cbr\u003eSuitable For\u003cbr\u003e\u003cbr\u003eSailors and boaters\u003cbr\u003e\u003cbr\u003eDrone pilots and UAV operators\u003cbr\u003e\u003cbr\u003eHVAC technicians\u003cbr\u003e\u003cbr\u003eOutdoor sports enthusiasts\u003cbr\u003e\u003cbr\u003eWeather hobbyists\u003cbr\u003e\u003cbr\u003eCampers and hikers\u003cbr\u003e\u003cbr\u003eFishermen\u003cbr\u003e\u003cbr\u003eIndustrial maintenance personnel\u003cbr\u003e\u003cbr\u003eEnvironmental scientists\u003cbr\u003e\u003cbr\u003eKey Advantages\u003cbr\u003e\u003cbr\u003e5-in-1 measurement in one compact device\u003cbr\u003e\u003cbr\u003e8-leaf wind wheel for accurate readings\u003cbr\u003e\u003cbr\u003eDual temperature sensors for precision\u003cbr\u003e\u003cbr\u003eMulti-unit display for global use\u003cbr\u003e\u003cbr\u003eLightweight and portable design\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sa8c03a32b53d4078aa9a93c43bc80336c.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-title\"\u003ePackage Contents and Maintenance\u003c\/p\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003ePackage Includes\u003cbr\u003e\u003cbr\u003eItem\tQuantity\u003cbr\u003eHP-866B-WM Weather Meter\t1\u003cbr\u003e1.5V AAA Batteries\t2\u003cbr\u003eUser Manual\t1\u003cbr\u003eBattery Replacement\u003cbr\u003e\u003cbr\u003eWhen low battery icon appears on LCD, replace batteries immediately.\u003cbr\u003e\u003cbr\u003eSteps to Replace Battery\u003cbr\u003e\u003cbr\u003eOpen the battery compartment on the back of the unit\u003cbr\u003e\u003cbr\u003eRemove old batteries\u003cbr\u003e\u003cbr\u003eInsert two new 1.5V AAA batteries (observe correct polarity)\u003cbr\u003e\u003cbr\u003eClose battery compartment securely\u003cbr\u003e\u003cbr\u003eMaintenance and Care\u003cbr\u003e\u003cbr\u003eWind Wheel Care\u003cbr\u003e\u003cbr\u003eKeep the 8-leaf wind wheel clean and free from debris\u003cbr\u003e\u003cbr\u003eDo not touch the wind wheel with sharp objects\u003cbr\u003e\u003cbr\u003eIf the wind wheel is damaged, accuracy may be affected\u003cbr\u003e\u003cbr\u003eGeneral Maintenance\u003cbr\u003e\u003cbr\u003eWipe with a soft, dry cloth\u003cbr\u003e\u003cbr\u003eDo not use chemical solvents or abrasive cleaners\u003cbr\u003e\u003cbr\u003eStore in a cool, dry place when not in use\u003cbr\u003e\u003cbr\u003eRemove batteries if storing for extended periods\u003cbr\u003e\u003cbr\u003eStorage\u003cbr\u003e\u003cbr\u003eStore in a clean, dry environment\u003cbr\u003e\u003cbr\u003eAvoid extreme temperatures and humidity\u003cbr\u003e\u003cbr\u003eKeep away from direct sunlight\u003cbr\u003e\u003cbr\u003eProtect from vibration and impact\u003cbr\u003e\u003cbr\u003eSafety Notes\u003cbr\u003e\u003cbr\u003eDo not disassemble the instrument\u003cbr\u003e\u003cbr\u003eDo not expose to water or liquids\u003cbr\u003e\u003cbr\u003eDo not use near high heat sources\u003cbr\u003e\u003cbr\u003eThis product is not a toy – keep away from children\u003cbr\u003e\u003cbr\u003eNote\u003cbr\u003e\u003cbr\u003eThe product pictures and contents are for reference only. Please be subject to actual products. Specifications subject to change without notice.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S188c0946b4254ccf859ef37fdeecceabW.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"HP-866B-WM-BU-CN","offer_id":55436262572331,"sku":"14:173#HP-866B-WM-BU-CN","price":132.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S53a1c1b65654492686e9d8f16efe1530j.webp?v=1788664191","url":"https:\/\/yoeruyo.com\/products\/hp-866b-wm-weather-meter-anemometer-wind-speed-temperature-humidity-barometer-altitude","provider":"Yoeruyo","version":"1.0","type":"link"}