Easidew Transmitter User’s Manual
Kahn Instruments
11
APPENDIX A
Appendix A
Technical Specifications
Performance
Measurement Range (Dew Point) -148 to +68ºFdp (-100 to +20ºCdp)
Accuracy (Dew Point)
±3.6ºFdp (±2ºCdp)
Response Time
5 mins to T95 (dry to wet)
Repeatability
0.9ºFdp (0.5ºCdp)
Calibration
13 point calibration with traceable 7 point calibration certificate
Electrical Specification
Output Signal
4-20 mA (2-wire connection current source)
User-configurable over range
Output
Dew point or moisture content for ppm
V
Analog Output Scaled Range
Dew point: -148 to +68ºF (-100 to +20ºC) OR
Moisture content in gas: 0 - 3000 ppm
V
Non-standard available upon request
Supply Voltage
12 to 28 V DC
Load Resistance
Max 250 Ω @ 12 V
(500 Ω @ 24 V)
Current Consumption
20 mA max
CE Marked
Certified
Operating Specifications
Operating Temperature
-40 to +140ºF (-40 to +60ºC)
Operating Pressure
5000 psig max
Flow Rate
2 to 10 scfh (1 to 5 Nl/min) mounted in standard sampling
block;
0 to 33 fps (0 to 10 m/sec) direct insertion
Temperature Coefficient
Temperature compensated across operating temperature range
Mechanical Specifications
Ingress Protection
NEMA 4 in protection accordance with standard NEMA 250-2003
IP66 in accordance with standard BS EN60529:1992
Housing Material
316 stainless steel
Dimensions
Transmitter plus connector
5.19” x ø1.77” (L=132mm x ø45mm)
Sensor Guard
Standard: HDPE Guard < 10µm
Optional: 316 stainless steel sintered guard < 80µm
Process Connection & Material
5/8” - 18 UNF
316 stainless steel
Weight
5.29oz (150g)
Interchangeability
Fully interchangeable transmitter
Electrical Connection
Hirschmann GDS series (DIN 4350-C)
Diagnostic Conditions (factory
programmed)
Condition
Sensor fault
Under-range dew point
Over-range dew point
Output
23 mA
4 mA
20 mA
Digital Diagnostic
Communications
RS485, 2-wire Modbus RTU
Summary of Contents for Easidew
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