智颖汇ZYH-412系列微压差变送器产品展示图
智颖汇ZYH-412系列微压差变送器产品展示图

Differential Pressure Transmitter

The ZYH-412 Series Micro-Differential Pressure Transmitter is a state-of-the-art product for micro-pressure measurement. It adopts a micro-differential pressure sensor based on the thermal wire measurement principle, with a measuring range as low as 25Pa. It is widely applicable to the measurement of indoor and outdoor pressure differences, as well as air duct pressure differences and air velocities.
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Product Detail

Product Features

SpecificationDetails
Applicable MediaAir, N₂, O₂
Measuring Range-1500 ~ -25 — 0 — 25 ~ 1500 Pa
Recommended Range: 0 ~ 500 Pa (2.0” w.c.)
Zero Point Accuracy±0.2 Pa (MAX)
Accuracy±3.0% m.v. (measured value) (0 ~ 500 Pa, under standard conditions)
<±20 Pa (500 ~ 1500 Pa, under standard conditions)
Stability<±0.1 Pa/year
Operating Temperature-20 ~ 80℃ (differential pressure temperature compensation calibration range)
-40 ~ 80℃ (usable temperature range)
Storage Temperature-40 ~ 85℃
Safe Overpressure Limit1 bar (14.5 Psi)
Burst Pressure2 bar (29 Psi)
Power Supply24 VAC/DC
Signal Output420 mA, 010 V (selectable via jumper)
RS485, standard MODBUS
Display (Optional)Digital LCD Display
Electrical Connection16~26 AWG
Protection RatingIP65
Weight< 200 g