Michell Instruments SF52, Руководство пользователя

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SF52 User’s Manual
10 97224 Issue 5, June 2017
APPENDIX A
Appendix A Technical Specifi cations
Performance
Measurement Range -40 to +60°Cdp (-40 to +140°Fdp)
Accuracy ±2°Cdp (±3.6°Fdp)
Repeatability 0.5°Cdp (0.9°Fdp)
Stability <1°C / year (<1.8°F / year)
Accuracy (absolute humidity) 0.4 to 3 g/m
3
on value of absolute humidity
Calibration Traceable 3-point calibration certifi cate
Electrical Specifi cations
Output Signal 0 to 1, 0 to 5, 0 to 10 V or 4-20 mA (3-wire)
Output Dew point, absolute humidity
Analog Output Scaled Range
Standard -40 to +60°C (-40 to +140°F)
-30 to +30°C (-22 to +86°F)
0 to 200 g/m
3
Non-standard available upon request
Supply Voltage
14 to 30 V DC (for 0 to 10 V output)
8 to 30 V DC (for 0 to 1 / 0 to 5 V / 4-20 mA output)
Current Consumption
V output <9 mA
mA output <29 mA
CE Marked Certifi ed
Operating Specifi cations
Operating Humidity 0 - 100% RH
Operating Temperature -40 to +60°C (-40 to +140°F)
Operating Pressure 2 MPa (20 barg / 290 psig) maximum
Thermal Compensation Characterized across operating temperature range
Mechanical Specifi cations
Ingress Protection
IP66 in accordance with standard BS EN 60529:1992
NEMA 4 in accordance with standard NEMA 250-2003
Housing Material Nickel-coated brass
Dimensions L=85mm, ø 24mm (L=3.34”, ø 0.94”) (max)
Filter HDPE front fi lter
Process Connection G ½" BSP, ½" NPT
Weight 320g (11.29oz)
Cable 2m (6.6’) halogen free TPE cable
Diagnostic Settings
(factory programmed)
Condition
Sensor fault
Under-range dew point
Over-range dew point
Output
23 mA
4 mA
20 mA