Smart Differential Pressure Transmitter:
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Smart Differential Pressure Transmitter

Measuring range : 0~0.06 kPa to 0~40Mpa

Output signal : 4~20mA DC (four-wire 220V AC power supply, 0~10mA DC output for special)

Power supply : 12~45V DC, generally 24V DC

Features of loading: relation equation of loading impedance RL and power voltage

           Vs: RL <= 50(Vs-12)

Indicator : pointer-type linearity indication 0~100% scale mark or LCD indicator, LED indicator.

Explosion proof : a. explosion isolation  d II BT4

              b. intrinsically safe ia II CT6

Positive and negative shifts : after positive and negative shifts of zero absolute values of upper-and-lower-limit values of span and measuring range not exceed 100% of upper limit of measuring range.( smart type : turn down ratio 20:1,40:1,100:1)

Maximum positive shift is 500% of minimum adjusting span; maximum negative shift is 600% of minimum adjusting span.

Temperature range: amplifier operation temperature range: -29 ~ +93C

 (LT type: -25 ~ +70C); measuring component of fill silicone oil: -40 ~ +104C

 flange type transmitter fill hi-temperature silicone oil: -20 ~ +315C normal silicone oil: -40 ~ +149C

Static pressure : 4, 10, 25, 32Mpa

Humidity : relative humidity 0~100%

Volume absorption : < 0.16cm3

    Damping (phase step response) : For silicone oil, generally between 0.2s and1.67s, continuous and adjustable