Updated:2023-09-21
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Moisture Measurement with Configurable Display
Features
Measurement range -100 to +20 °C (-148 to +68 °F) dew point
Dew point or ppmV moisture content output
Accuracy ±2 °C (±3.6 °F) dew point
4 to 20 mA output
Modbus RTU over RS485 output
Dual configurable alarm outputs
Choice of AC or DC Power Supply
Sample block and cable included
Traceable 13-point calibration certificate
Easy to install and maintain, the Easidew Online Hygrometer measures and displays dew point and moisture content for use in a wide range of moisture applications. The Easidew Online display provides analog, digital, and dual relay alarm outputs. This hygrometer is compatible with the entire Easidew Transmitter range to provide local readings as well as re-transmitted control signal.
Specification
Performance Specifications | |
Measurement Range |
-110 to +20°C (-166 to +68°F) dew point; -100 to +20°C (-148
to 68°F) dew point; non-standard dp ranges and ppmV ranges available on request |
Accuracy | ±2°C (±3.6°F) dew point |
Response Time | 5 mins to T95 (dry to wet) |
Repeatability | 0.5°C (0.9°F) dew point |
Sensor Calibration | Traceable 13-point calibration certificate |
Electrical Specifications | |
Online Output Signals |
4-20 or 0-20 mA, Modbus RTU over RS485; dual programmable relay alarms |
Online Output | Dew point or moisture content |
Maximum Analog Output Scaled Range | Dew point: -110 up to +20°C (-166 up to +68°F); Moisture content in gas: 0 up to 3000 ppmV |
Online Supply Voltage | AC: 85 to 264V; DC: 24V |
Online Current Consumption | 60 mA maximum |
Electrical Safety | EN61010-1 |
Operating Specifications | |
Operating Temperature | Sensor: -40 to +60°C(-40 to +140°F); Monitor: 0 to 50°C (+32 to +122°F) |
Compensated Temperature Range |
Sensor: -20 to +50°C (-4 to +122°F); Monitor: not applicable |
Storage Temperature | Sensor: -40 to +60°C (-40 to +140°F); Monitor: -10 to 60°C (+14 to +140°F) |
Operating Pressure |
45 MPa (450 barg / 6527 psig) maximum |
Sensor Flow Rate |
1 to 5 Nl/min mounted in standard sampling block; 0 to 10 m/sec direct
insertion |
Mechanical Specifications | |
Ingress Protection |
Sensor: IP66 in accordance with standard BS EN 60529:1992+A2:2013; NEMA 4 protection in accordance with standard NEMA 250–2014 Monitor: IP65 (NEMA 4X) front panel only |
Sensor Oxygen Service | Optional: Cleaned for enriched oxygen service |
Sensor Housing Material | 316 stainless steel |
Dimensions |
Sensor: L=132mm x ø45mm / L=5.2” x ø1.77” (with connector cable) Monitor: 1/8 DIN Case, 96 x 48 x 85mm / 3.78 x 1.89 x 3.35” (w x h x d) |
Filter (Sensor Protection) |
Standard: HDPE <10μm Optional: 316 stainless steel sintered guard <80μm |
Sensor Process Connection | 5/8” - 18 UNF |
KF40 Flange Accessories |
Flange for 5/8” 18 UNF process connections |
Sensor Weight | 150 g (5.29 oz) |
Sensor Electrical Connections | MiniDIN 43650 form C |
Online Sensor Cable | 0.8, 2, 5, 10 meter (2.62, 6.5, 16.4, 32.81 ft) connector/cable available |
Sensor Diagnostic Conditions (factory programmed) |
Sensor fault: 23 mA Under-range dew point: 4 mA Over-range dew point: 20 mA |
Suitable Applications
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