Differential Pressure Transmitter -100-0-100Kpa 4-20mA Differential Pressure Sensor 0-10V Wind Air Differential Pressure Sensor
SPECIFICATIONS
Accuracy: 0.2%FS;0.5%FS
Battery Included: no
Brand Name: NoEnName_Null
Certification: CE,FCC,RoHS
High-concerned chemical: none
Material: Aluminium Alloy
Max Measuring Range: 59 Bar & Under,≤59 Bar
Medium: wind , gases
Model Number: QDF70B
Origin: Mainland China
Output: 4-20MA,0-10V ,rs485 customized
Power Supply: 12VDC~36VDC(Standard24VDC)
Range: -10kpa~0~10kpa
Response Time: ≤10ms
Semi-finishedproduct: No
Default Power Supply DC24V +Pagoda Mouth M10 Without Digital Display
when the output signal is 2.5~4.88v,the power supply is 5v
if you need other parameters,pls contact us
Features:
After-sales service policy:
1. All customers enjoy technical services, and professional technicians guide you to use this product through voice chat or face time if you have no idea how to use it.
2. During the 2-year warranty period, if the product has quality problems, you can enjoy free maintenance services. If it cannot be repaired, you can replace it with a new one for free.
3. If it is not the quality problem of the product itself but there is an error with your operation causing the damage to product, we provide free maintenance services, and the customer needs to bear the round-trip shipping.

Introduction
<1>. QDF70B Air Wind Differential Pressure Transmitter, adopts imported high-precision, high stability micro-pressure chip, andaluminum alloy shell. The two pressure interfaces are M10 screw thread and plug structure. (Customer can choose the size of pressure interfaces.)
<2>.It can be directly installed on the measuring pipe or connected by the pressure pipe, easy to install and use. Milli voltage, standard voltage, current, frequency signal output are available to choose.
<3>.This pressure transmitter is widely used in petroleum, chemical industry, metallurgy, electric power and other fields. It effectively control in power and coal industries, such as boiler ventilation and underground ventilation.

Technical parameters
Measure Medium |
Dry gas (low corrosion) |
Pressure Type |
Differential Pressure |
Measuring Range |
-10~0~10KPa |
Power Supply |
12VDC~36VDC(Standard24VDC) |
Output Signal |
4~20mA, 1~5V, 0~5V, 0~10V, RS485 |
Accuracy |
0.2%FS;0.5%FS |
Medium Temperature |
-40℃~85℃ |
Compensation Temperature |
0~50℃ |
Ambient Temperature |
-20℃~85℃ |
Temperature Effect on Zero |
±0.03%FS/℃ |
Sensitivity Temperature Drift |
±0.03%FS/℃ |
Overload Pressure |
300%FS |
Response Time |
≤10ms |
Waterproof |
IP65 |
Material |
Aluminium Alloy |
Process Connection |
M10X1.5/1/8''NPT(Customized) |
Explosion-proof Grade |
Exia II CT5(safe explosion proof type) |










- Standard Shipping: Standard Shipping (12–18 Business Days)
- Express Shipping: Expedited Shipping (5–9 Business Days)
- Free Shipping: Orders over $199 qualify automatically
- Tracking: Full tracking number provided for all orders
- Returns: 30-day hassle-free return window
- Condition: Items must be unused and in original packaging
- Refund: Full refund processed within 3-5 business days
- Factory Direct: ISO/TS 16949 certified manufacturer
- Quality: 100% electrical continuity tested before shipment
- Experience: 15+ years in automotive connector industry
- Support: Professional technical support available
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