PHD330 Industrial Differential Pressure Transmitter
Model :
PHD330
Features : Suitable for industrial application; Wide measuring range.
Measuring element : Piezoresistive diff. pressure sensor, no flow-through
Measuring range: ±50, ..., ±10000 pa.
Output: 4, ..., 20 mA / 0, ..., 10 V / RS-485.
Accuracy: ±2.0% F.S.
IP rating: IP65.
Measuring element : Piezoresistive diff. pressure sensor, no flow-through
Measuring range: ±50, ..., ±10000 pa.
Output: 4, ..., 20 mA / 0, ..., 10 V / RS-485.
Accuracy: ±2.0% F.S.
IP rating: IP65.
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Features● Uses piezoresistive differential pressure sensor
● No flow through, pressure ports are not interconnected
● Differential pressure measurement range of ±50 ... ±10,000 Pa
● Aluminum alloy housing, IP65 protection rating
● Includes square root function for converting measurement into air velocity and airflow, and simultaneous display on the screen
● Provides analog output with RS-485 communication function
● DIP switch to adjust range and square root function
The eyc-tech PHD330 industrial differential pressure transmitter uses a piezoresistive differential pressure sensor with a wide measurement range and multiple options. Its robust aluminum alloy housing effectively resists external environmental influences, ensuring stable and reliable measurements, making it particularly suitable for use in industrial environments. -
ApplicationsExhaust air treatment / Differential pressure monitoring / Airflow monitoring / Air handling unit flow
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Specification
Measurement
Measuring element
Piezoresistive diff. pressure sensor, no flow-through
Measuring range
±50, ..., ±10000 pa
Output
Output
4, ..., 20 mA / 0, ..., 10 V / RS-485
Signal connection
3-wire
Load resistance
Current output : ≦ 500 Ω
Voltage output : ≧10 KΩResponse time
t63 ≦ 2 ms
Display type
LCD Module with backlight, double line character
Display range
V=Air velocity(at 25°C)
Q=Air quantity(with eyc-tech AFMT)
Digit height
5.56 mm
Accuracy
Accuracy
±2.0% of F.S.
Temperature influence
±1.75%
Environment
Measuring medium
Air
Operating temperature
-20, ..., +80°C(Non-display)
0, ..., +50°C(Display)Operating humidity
0, ..., 95%RH (Non-condensing)
Storage temperature
-20, ..., +80°C
Electrical
Power supply
DC 24 V ± 10% & AC 24 V ± 10%
Current consumption
DC 24 V : ≦45 mA(Display) / ≦40 mA(Non-display)
AC 24 V : ≦95 mA(Display) / ≦90 mA(Non-display)Overvoltage protection
≦DC 40 V
Electrical connection
M12 connector
Installation
Installation
Wall type
Protection
IP rating
IP65
Electrical protection
■ Over-voltage
■ Reverse polarity
■ Short circuitPressure resistance
±50, ..., ±500 pa: 0.25 bars
±1,000, ..., ±10,000 pa: 0.5 barsBurst pressure
±50, ..., ±2500 pa: 0.75 bar
±5,000, ..., ±10,000 pa: 1.25 barCertification
Certification
CE
Material
Housing
Aluminum alloy
Weight
Display: 497 g
Non-display: 478 g
Note : Design and specifications are subject to change without notice.
Note : If the product has RS-485 function, to avoid damaging product, please make sure the product and the device which connect with RS-485 are on common ground.