Sensors | |
Sensor Technology | Michell Ceramic Metal-Oxide Moisture Sensor |
Sensor Version | Easidew PRO I.S. |
Measurement Range | -100...+20°C (-148...+68 °F) dew point |
Calibration Range | -100...+20°C (-148...+68 °F) dew point |
Calibration | Traceable to British (NPL) and American (NIST) National Humidity Standards |
Accuracy | Dew point: ±1 °C (1.8 °F) between -60 and +20 °C (-76 and +68 °F) dp Moisture content: ±10 % of reading Dew point: ±2 °C (3.6 °F) between -60.1 and -100 °C (-76.18 and -148 °F) dp |
Resolution | 0.1 °C (0.18 °F) between +20 and -100 °C (+68 and -148 °F) dp |
Analysis Pressure | Up to 45 MPa (450 barg/6526.7 psig) |
Operating Temperature | -40...+60 °C (-40...+140 °F) |
Sample Flow Rate | 1...5 l/min |
Optional Pressure Sensor | 0...138 barg (0...2001 psig) (other ranges available) Accuracy: ±0.25 % FS |
Certification | |
Hazardous Area Certification | ATEX/UKCA: II 1 G Ex ia IIC T4 Ga (-20°C = Ta = +70°C) IECEx: Ex ia IIC T4 Ga (-20 °C...+70 °C) TR CU: 0Ex ia IIC T4 Ga (-20 °C...+70 °C) cQPSus: IS, Class I, Division 1, Groups A, B, C & D, T4
Class I, Zone 0, AEx ia IIC T4 Ga, Ex ia IIC T4 Ga Tamb +70°C |
Pattern Approval | GOST-R, GOST-K |
Control Unit | |
Display | 2.8” color touch screen LCD, displaying moisture content / dew point or O2 and analysis pressure |
Analog Output | Three 4...20 mA (max load 500 Ω) user-definable outputs |
Digital Output | RS485 Modbus RTU |
Display Mode | Moisture content (ppmV) Moisture content in natural gas (ppmV, lb/MMSCF, mg/m3) Dew point (°C or °F) Temperature (°C or °F) Pressure (psig, barg) % or ppmV O2 |
Pressure Compensation | Fixed value (user programmed) or dynamic input from optional pressure sensor |
Display Resolution | 0.1°Cdp, 0.1°Fdp, 0.1 - 0.001 ppmV ideal gas (adjustable), 0.01 ppmV natural gas, 0.01 mg/m3, 0.01 lb/MMSCF, 1 psig, 0.1 barg 0.01 %/0.5 ppmV O2 |
Alarms | Four alarm relays. Control action and setpoint are user programmable Two Form C contacts rated 30 V DC, 5 A. Non-inductive load Two Form A contacts rated 30 V DC, 5 A. Non-inductive load |
I.S. Barriers | Galvanic isolation type, integrated to Control Unit |
Power Supply | 85...265 V AC, 50/60Hz or 18...28 V DC, 30 V A max power consumption |
Interconnection Cable | General instrument type, twisted pair, screened, single pair (two pairs with pressure sensor) |
Enclosure | 19" sub rack unit Dimensions 132 x 483 x 375 mm (5.2 x 19.01 x 14.76”) (h x w x d) (100 mm/4” min. clearance depth for cables and vents) |
Operating Environment | Indoor, safe area, 0...+50 °C (32...+122 °F), <90 %rh |
Premium Sampling Systems | |
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 (31.5 x 23.62 x 11.81”) (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 (+68 °F) or adjustable set-point range 0 to control 50 °C (32 to control 122 °F) |
Heater Power Supply | 110/120 or 220/240/255 V AC, 47/63 Hz Power consumption 100 W max |
Operating Environment | Shaded position, on or off shore, -20...+50 °C (-4...+122 °F) (-40...+60 °C/-40...+140 °F max. transient) Enclosure cooling option recommended for climatic ambient > +45 °C (113 °F) |