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Dew-Point Hygrometer - Michell Easidew Advanced Online

Updated:2023-09-21

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  • Brand: PST/Michell
  • Model: Easidew Advanced Online
  • Description: Easy to install and configure, the versatile touch screen Easidew Advanced Online Hygrometer can measure and display dew point, moisture content, and pressure. This display provides analog, digital, a
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Product Details

Dew-Point Hygrometer - Michell Easidew Advanced Online Description:

Product Manual

Moisture measurement online dew-point meter with pressure compensation

Features

Measurement range -110...+20 °C (-166...+68 °F) dew point

Dew point or moisture content output

Accuracy ±1 °C (±1.8 °F) dew point

Pressure indication and compensation

Touch screen reconfiguration

3 x 4...20 mA outputs and 4 relay outputs

Modbus RTU over RS485 output

Choice of AC or DC Power Supply

Sample block and cable included

Traceable 13-point calibration certificate

Easy to install and configure, the versatile touch screen Easidew Advanced Online Hygrometer can measure and display dew point, moisture content, and pressure. This display provides analog, digital, and 4 programmable relay alarm outputs with a front screen or software app display configuration.

With high performance 1% accuracy for use in Compressed Air and Gas Generation applications.

Specification

Performance Specifications
Measurement Range -110...+20 °C (-166...+68 °F) dew point; -100...+20 °C (-148...+68 °F) dew point
Accuracy * ±1 °C from -60 to +20 °C dew point (±1.8 °F, -76...+68 °F dp)
±2°C from -100 to -60 °C dew point (±3.6 °F, -148...-76 °F dp)
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
Auxiliary Pressure Input 45 MPa (450 barg/6527 psig) maximum
Pressure Compensation Live 4...20 mA pressure transmitter or fixed programmable value
Moisture Content Scales Automatic compensation for ppmV, lbs/MMscf, g/m3 units
Relay Alarm Type/Rating 2 x Form A, 2 x Form C 30 V DC 5A Namur compliant programmable relay contacts for process and fault conditions
Electrical Specifications
Sensor Input Signal Modbus RTU over RS485
Online Output Signals
3 x 4...20 mA channels; Modbus RTU over RS485; 4 programmable relay alarms
Online Outputs Dew point, Moisture Content, Pressure
Maximum Analog Output Scaled Range Dew point: -110...+20 °C (-166...+68 °F); Moisture content in gas: 0...3000 ppmV
Online Supply Voltage 85...265 V AC; 18...30 V DC
Online Power Consumption AC Power: 7.5 VA
DC Current: 170 mA @24 V DC
Electrical Safety BS/EN61010-1: 2010
Operating Specifications
Operating Temperature Sensor: -40...+60 °C(-40...+140 °F); Process Monitor: 0...50 °C (+32...+122 °F)
Compensated Temperature Range Sensor: -20...+50 °C (-4...+122 °F); Process Monitor: not applicable
Storage Temperature Sensor: -40...+60 °C (-40...+140 °F); Process Monitor: 0...+60 °C (+32...+140 °F)
Operating Pressure 45 MPa (450 barg/6527 psig) maximum
Sensor Flow Rate 1...5 Nl/min mounted in standard sampling block; 0...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
Process Monitor: IP54 & NEMA Type 2 & 12K front panel only
System Materials Sensor & Sample Block: 316 stainless steel
Process Monitor: UL Rated ABS - EpsotechAB AN2 V0
Dimensions Sensor: L=119 x ø27 mm / L=4.69” x ø1.06” (no connector cable)
Process Monitor: 1/8 DIN Case, 90 x 40 x 92 mm / 3.54 x 1.57 x 3.62” (w x h x d)
Sample Block: 55.2 x 30 mm / 2.17 x 1.18”
Filter (Sensor Protection) Standard: HDPE <10μm
Optional: 316 stainless steel sintered guard <80μm
Sensor/Sample Block Process Connections G1/2” BSP, 3/4” 16 UNF, 5/8” 18 UNF
Sample Block Inlet/Outlet Connections 1/8” NPT
System Weights Sensor 150 g (5.29 oz); Sample Block 250 g (8.82 oz); Process Monitor 280 g (9.88 oz)
Sensor Electrical Connections Easidew M12: M12 5 pin (A Coded)
Online Sensor Cable 2, 5, 10 meter (6.5, 16.4, 32.81 ft) connector/cable available
Display Type LCD touch screen 320 x 240 pixel
NOTES * Over Compensated Temperature Range

Suitable Applications

Medical and surgical air

Glove boxes

Additive manufacturing

Pharmaceutical

Hydrogen refilling stations

Welding gases

Semiconductor manufacturing

Membrane and adsorption dryers

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