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Help CenterHart Protocal Smart Vacuum Differential Pressure Transmitter
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1.Application of smart vacuum differential pressure transmitter:
Widely used in pharmaceutical, medical equipment, oil, gas, chemical, urban construction power, metallurgy, textile, aerospace, scientific research, leak detection, automation equipment and other fields.
2.Specification of smart vacuum differential pressure transmitter:
Measuring medium |
liquid, gas |
Measuring range |
3 0-1.3~7.5kPa |
4 0-6.2~37.4kPa | |
5 0-31~186.8kPa | |
6 0-117~690kPa | |
7 0-345~2068kPa | |
8 0-1170~6890kPa | |
9 0-3480~20680kPa | |
0 0-6890~41370kPa | |
Accuracy |
±0.1% URL ±0.2% URL |
Signal output |
4~20mA 4~20mA with HART |
Supply voltage |
24VDC(12VDC~45VDC) Explosion-proof type:12~28VDC |
Stability |
±0.1 URL in 6 months |
Medium temperature |
-40~+100°C |
Storage temperature |
-40~+100°C(without LCD display) -40~+70°C(with LCD display) |
Operating temperature |
-40~+85°C(without LCD display) -30~+60°C(with LCD display) |
Ambient temperature |
-0~-100% relative humidity |
Temperature impact |
±(0.2%URL+0.18%inspection range)/56°C |
Power supply effect |
Less than 0.0059% / V of the output range |
Load effect |
No load is affected unless the supply voltage changes |
Vibration effect |
The vibration effect is ± 0.05% URL / g at 200 Hz in any axial direction. |
EMI/RFI effect |
Between 20 to 1000MHz;field strength up to 30V / M; the output drift less than ± 0.1% range; |
Installation site effect |
Maximum Zero drift is ± 0.25kPa; all zero drift can be corrected. |
Zero point positive and negative migration |
When zero is moving, the minimum range must be larger than or equal to - URL, the maximum range must be less than or equal to + URL. The calibration range must be greater than or equal to the minimum range. |
Damping time constant |
The time constant is adjustable, incremented by 0.1 seconds, from minimum to 16.0 seconds. |
Explosion-proof grade |
Exia II CT6,Exd II BT5 |
Protection grade |
IP65 |
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