Michell Instruments Easidew PRO I.S. User Manual

Easidew PRO I.S. User’s Manual
Michell Instruments 13
APPENDIX A
Appendix A Technical Specifi cations
Product Easidew PRO I.S. for Gases Easidew PRO LQ I.S. for Liquids
Performance Specifi cations
Measurement range
–110 to +20°C dew point
–100 to +20°C dew point
0 to 1000 ppm
W
Accuracy
±1°C dew point (+20 to –60°C)
±2°C dew point (–60 to –110°C)
Response time
5 mins to T95 (dry to wet)
Repeatability
0.5°C dew point
Calibration
Traceable 13-point calibration and certifi cate
Electrical Specifi cations
Output signal
4–20 mA (2-wire connection, current source); User confi gurable over range
Output
Dew point or moisture content Moisture content
Analog output scaled
range
Dew point: –110 to +20°C or –100 to +20°C
Moisture content in gas: 0 to 3000 ppm
V
Non-standard: mg/m
3
, lbs/MMSCF natural gas
Moisture content in liquid: 0 to 1000
ppm
W
Non-standard available upon request
Supply voltage
12–28 V DC
Load resistance
Max 250  @ 12 V (500  @ 24 V)
Current consumption
23 mA max, depending on output signal
Saturation constants
(for moisture in liquids
measurements only)
6-point look-up table for saturation constants
up to 1000 ppm
W
over the temperature
range 0 to +50°C; saturation constants for
10 common liquids can be programmed
into the Easidew PRO LQ I.S. via the
application software; alternatively the user
can program saturation constants manually
CE conformity
Approved
Operating Specifi cations
Operating temperature -40 to +60°C
Compensated Temperature
Range
-20 to +50°C
NOTE: The transmitter accuracy statement is only valid for the temperature range: -20/+50°C
Storage Temperature -40 to +60°C
Operating pressure 45 MPa (450 barg) maximum
Flow rate
1 to 5 Nl/min mounted in standard sampling block
0 to 10 m/sec direct insertion
0.1 to 0.3L/min through
Easidew sample block
0.1 to 1m/s direct insertion
Mechanical Specifi cations
Ingress protection
IP66 in accordance with standard BS EN 60529:1992; NEMA 4 protection in accordance with
standard NEMA 250-2003
Intrinsically safe area
certifi cates
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
Russian pattern approval Russia (GOST-R), Kazakhstan (GOST-K)
Canadian pressure vessel
cert
C.R.N. — 11 Canadian provinces
Oxygen service Optional: cleaned for enriched oxygen
Housing material 316 stainless steel
Filter (sensor protection)
Standard: Stainless steel sintered guard (for protection against fi ne particulate >80m)
Optional: HDPE guard (for protection against fi ne particulate >10m)
Process connection and
material
316 stainless steel 5/8” — 18 UNF with bonded seal, G1/2” and 3/4” UNF adaptors available
(material certifi cate to BS EN 10204 3.1 — see ‘
accessories and spare parts ’ on product order
codes)
Weight 1.27kg
Electrical connections Screw terminal via female M20 x 1.5mm gland

Michell Instruments Easidew PRO I.S. Specifications

General

Brand	Michell Instruments
Model	Easidew PRO I.S.
Category	Transmitter
Language	English