Air Differential Pressure Transmitter

Measuring range

Differential pressure / air pressure：0~500Pa…700KPa

Negative pressure：0~-500Pa…-1KPa…-5KPa…-10KPa….-50KPa…-100KPa

Permissible overpressure

Three times of FS pressure

Measuring media

Non-corrosive, dust-free dry gas

Overall accuracy (linearity + repeatability+ hysteresis)

±0.1%FS

±0.25%FS

±0.5%FS

Medium temperature

-20℃~85℃

Compensation temperature

-10℃~55℃

Ambient temperature

-10℃~80℃

Zero temperature drift

Typical：±0.02%FS/℃

Maximum：±0.05%FS/℃

Sensitivity temperature drift

Typical：±0.02%FS/℃

Maximum：±0.05%FS/℃

Long-term stability

Typical：±0.1%FS/year

Maximum：±0.2%FS/ year

Range of power supply

12~36VDC（generally 24VDC）

Signal output

4~20mA / 1~5V DC

Load resistance

≤(U-12)/0.02 Ω

Enclosure material

Hard aluminum alloy surface coating or 304 stainless steel

Protection class

IP65 or IP67

Process connection

φ8 tip, with M10×1 mounting screws (threaded connection can be made in special cases)

Ex-mark

Exia II CT6(intrinsically safe explosion-proof type)

Weight

Approx.0.35Kg

Vibration error

≤±0.01%FS(Axes X, Y and Z，200Hz/g)

Thermal hysteresis

±0.1%FS（typical value）

Response time

≤1 ms

Insulation resistance

100MΩ,500V DC

Resolution

Infinitely small (theoretical),1/100000（normal）