Michell Instruments Cermet II, Руководство пользователя

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Cermet II User’s Manual
Michell Instruments 27
APPENDIX A
Appendix A Technical Speci fi cations
Monitor
Display
5 digit LED
7-segment digit, 14.2 mm(0.56”)
Display Color Red
Temperature and Alarm
Indicators
Red LED’s
Performance Speci fi cations
Measurement Ranges -19999 to 99999
Accuracy
Dew point ±0.5°C (±1.0°F)
ppm
V
, lbs/MMSCF and g/m
3
±1% of reading
Pressure ±0.5% full-scale reading
Electrical Speci fi cations
Dew-Point Input Channel Digital signal from Michell dew-point transmitter
Pressure Input Channel
(optional)
2-wire pressure transducer, 4-20 mA (loop-powered)
Output Scaled Range
Dew point: -100 to +20°C
Moisture content in gas: 0 to 9999 ppm
V
, 0 to 1000 lbs/MMSCF
and g/m
3
Non-standard available upon request
Re-transmittion Output
Signals
Standard : 4-20 mA
Optional : 0-20 mA (max load 500 Ω ) or 0 - 10 V optional (min
load 5 K Ω )
User scaleable
Alarm Relays
Standard : Two relays SP1 and SP2, fully user programmable
Form C contacts rated 10 A, 240 V AC or 8 A, 24 V DC
Non-inductive load
Optional : Two extra relays, SP3 and SP4, fully user programmable
Form A contacts rated 5 A, 240 V AC or 5 A, 30 V DC
Non-inductive load
Power Connection 2m (6.56ft), 3 wire
Power Supply
Standard : 85 to 265 V AC, 50/60 Hz or 95 to 370 V DC
Optional : 18 to 36 V AC or 9 to 60 V DC
Power Consumption 10 W max
Transmitter Cable
Copper braid screened cable, 4 core 7/0.2 (0.22mm²), stranded,
tinned copper conductors, PVC, insulated, Melinex taped, black
PVC outer
Fitted with transmitter connector and terminations for monitor
Max length 1000m (3280ft)
Operating Speci fi cations
Operating Mode Continous
Operating Temperature 0 to +50°C (+32 to +122°F)
Mechanical Speci fi cations
Ingress Protection
Standard : IP54 / NEMA 12 (at front),
Optional : Extra protection cover IP66 / NEMA 4
Dimensions 96 x 48 x 142mm (3.8 x 1.9 x 5.6")
Mounting Panel mounting (1/8 DIN cut out 92 x 45mm (3.62 x 1.77”))
Weight 0.6kg (1.32lbs)