A wide variety of non-polar liquids can be measured continuously, on-line, including flammable liquids and hazardous area applications, petrochemicals, power industry and pharmaceutical manufacturing.

Features:

Simple, cost-efficient operation and low maintenance
Retrofit functionality, easy to integrate into existing sampling or distribution systems
High integrity moisture in liquid measurement from 0.01 ppm_W to saturation point
Multi-channel with up to four completely independent measurement channels
Robust design for undisturbed operation in many non-polar liquids over a long time
Two 4-20 mA configurable outputs and digital Modbus RTU-based communication
Replaceable sensor element with Michell Calibration Exchange Service for reliable cost-efficient calibration
NIST and NPL traceable calibration
EExd version available

Technical Specification

Sensor
Sensor Technology	Michell Ceramic Moisture Sensor
Sensor Version	Easidew PRO I.S
Measurement Range	0.001 to 1000 ppm_w Higher range on request, actual range dependent on solubility of sample fluid
Calibration Range	-100 to +20°Cdp
Accuracy	Dew point: ±1°C between -59.9 and +20°Cdp, (±1.8°F between -75.9 and +68°Fdp) ±2°C between –60 & -100°Cdp,(±3.6°F between -76 and -148°Fdp) Moisture content: ±10% of reading, ±20% of reading
Resolution	0.1°C between +20 and -100°Cdp
Temperature Measurement	Pt100
Temperature Measurement Range	-20 to +70°C
Temperature Measurement Accuracy	± 0.2°C
Analysis Pressure	Up to 5 MPa (50 barg)
Analysis Temperature	0 to +50°C
Sample Flow Rate	Min 0.01 l/min Max 10 l/min 0.1 to 0.3 l/min recommended
Calibration	Traceable to British (NPL) and American (NIST) National Humidity Standards
Certification
Hazardous area certification	ATEX II 1 G Ex ia IIC T4 Ga (–20°C to +70°C) IECEx Ex ia IIC T4 Ga (–20°C to +70°C) TC TR 0Ex ia IIC T4 Ga (–20°C to +70°C) FM Class I, Division 1, Groups A B C D, T4 cCSAus Class I, Division I Groups A B C D, T4
Pattern Approval	GOST-R, GOST-K
Control Unit
Display	Two line 6-digits LED, displaying moisture content / dew point (user toggle) and temperature
Analogue Output	Two 4-20 mA (max load 500 Ω) User-configured for parameter, unit and range
Digital Output	RS485 Modbus RTU
Display Mode	Moisture content (ppm_w) Dew point (°C or °F) Temperature (°C or °F)
Display Resolution	0.1°Cdp, 0.1°Fdp, 0.001 ppm_w, 0.1°C temp
Alarms	Four alarm relays. Control action and set-point are user-programmable Two Form C contacts rated 10 A, 240 V AC or 8 A, 24 V DC. Non-inductive load Two Form A contacts rated 5 A, 240 V AC or 4 A, 24 V DC. Non-inductive load
I.S. Barriers	Galvanic isolation type, integrated to Control Unit
Power Supply	85 to 265 V AC, 50/60Hz or 10 to 72 V DC 10 W max power consumption
Enclosure	19" sub rack unit Dimensions 132 x 483 x 375mm (h x w x d) 100mm minimum clearance depth for cables and vents
Operating Environment	Indoor, safe area, 0 to +50°C, < 90% RH
Premium Sampling System
Enclosure	304 stainless steel (EN1.4301) enclosure Option for complete enclosure in 316 stainless steel (EN1.4401) All fixtures stainless steel Galvanised steel internal mounting plate Open panel version available for indoor installation Dimensions 800 x 600 x 300mm (h x w x d)
Enclosure Mounting	Stainless steel wall mounting brackets
Enclosure Ingress Protection	IP66
Enclosure Temperature Control	Heater/thermostat options for fixed set-point +20°C or adjustable set-point range 0 to control +50°C
Heater Power Supply	110/120 or 220/240/255 V AC, 50/60 Hz. Power consumption 100 W max
Operating Environment	Shaded position, on or off shore, -20 to +40°C (-40 to +60°C max transient) Enclosure cooling option recommended for climate ambient > +50°C
Sample Cooling Option	Recommended for process fluid temperatures > +40°C Plant water supply required ≤ +30°C

AMS Instrumentation & Calibration | Industrial Instrumentation & Calibration

AMS Instrumentation & Calibration Pty Ltd (AMS) has been in existence for more than 38 years supplying calibration equipment and industrial instrumentation to all industries. With more than 225 years ... read more

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