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Hitachi High-Tech GLOBAL

Differential Pressure Transmitter EDR-N7

The conventional N6 Series has been upgraded.


Differential pressure and pressure transmitter common specifications
Power supply voltage 11.4 - 42.0V DC
(16.7 - 42.0V DC when communication by the communicator)
Output 4 - 20mA DC
Load resistance 600Ω (at 24V DC power supply voltage)
Ambient temperature limitsWaterproof type -20 to 85°C
Explosion-proof type -20 to 55°C
Structure Protection code JIS C 0920 IP67 or ExdoⅡCT4 for explosion-proof type
Amplifier case Aluminum alloy
Electrical connection G1/2
Paint color Light gray amplifier case (acid resistant coating)
EDR-N7/EDR-N7E Product standard specification(For optional specifications, please refer to the CS sheet.)
Item / ModelEDR-N7
Differential pressure transmitter(Standard type)
Differential pressure transmitter (High accuracy type)
Range code 800 8000 40000 100000 800 8000 40000
Settable range limits -8 to 8kPa -80 to 80kPa -400 to 400kPa -1000 to 1000kPa -8 to 8kPa -80 to 80kPa -400 to 400kPa
Measuring span 0.8 to 8kPa 0.8 to 80kPa 20 to 400kPa 100 to 1000kPa 0.098 to 8kPa 0.8 to 80kPa 20 to 400kPa
Accuracy ±0.2% (depending on the measuring span) ±0.2% (depending on the measuring span) ±0.1% (depending on the measuring span)
Working pressure limits -98kPa to 4.9MPa -98kPa to 14.7MPa -98kPa to 9.8MPa -98kPa to 4.9MPa -98kPa to 14.7MPa
Wetted parts temperature limits -20 to 120°C -10 to 100°C -20 to 120°C
MaterialDiaphragm Hastelloy C
Other wetted parts SUS316
Process connection Rc 1/4 (Without oval flange)
Weight Approx. 3.3kg