Versatility is key with ERX

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The ERX provides accurate pressure measurement, long term battery operation, remote communications, extended Audit Trail logging, and various pressure ranges. The combined set of features and options in this pressure/temperature recorder meets the needs of practically any Class 1, Division 1 & 2 location.

 

ERX Features

  • Up to 3 pressure inputs
  • Easy two-point calibration
  • 3 operating modes: Sample, Pushbutton Display, Serial Communications
  • Modbus Protocol with optional Protocol Translator Board
  • Extended Audit Trail Memory
  • Wall-mount, pipe-mount and portable mounting options
  • RBX Alarm notification
  • Variety of Reports: Log, Item, Site and Calibration
  • Expanded alarms, including High/High and Low/Low

ERX Specifications

Technical data
Value
Maximum error at reference conditions including linearity, repeatability and hysteresis
Pressure Transducer: ± 0.4% of full scale
Temperature Sensor: ± 0.56°C (+/- 1.0°F)
Ambient Temperature Effects from -40 to 70°C (-40 to 160°F)
Pressure Transducer: ± 0.6% of full scale per 100°F
Temperature Sensor: No effect
Long Term Stability
Pressure Transducer: ± 0.5% of full scale per year
Temperature Sensor: ± 0.22°C (0.4°F) per year
Environmental Conditions
Ambient temperature range: -40 to 70°C (-40° to 160°F )
Ambient humidity: 0 to 100% non-condensing
Data Log Capacity (Log Interval/Capacity)
1 min/6.6 days
5 min/33 days
60 min/13 months
24 hrs/26 years
Mounting
Wall mount, Pipe mount, Portable
Power
Input voltage: 3.8 to 6 VDC
Battery Life: 4 years (w/4 D-cell alkaline battery pack at normal operating conditions)
Certifications
Class 1, Division 1, Group D
Class 1, Division 2, Group D
Class 1, Zone 0, Group IIA
Weight and Dimensions
13.6 lbs (6.2 kg) in 800-series case
13.75” H x 10.63” W x 5.38” D

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