Michell Instruments SF82 Series, Руководство пользователя

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SF82 Transmitter User’s Manual
17 Michell Instruments
Technical Specifications
Performance
Product
SF82 MiniDIN 43650 SF82 M12
Measurement Range (Dew
Point)
-60 ºC to +60 ºC dew point
Accuracy (Dew Point)
±2 °C dew point*
Response Time
63% at room temperature at 1 bara
-60 ºC to -20 ºC dew point: 6 s
-20 ºC to -60 ºC dew point: 40 s
Repeatability 0.5 ºC dew point
Calibration 9-point calibration certificate traceable to national standards
Electrical Specifications
Output Signal
User configurable over range;
4-20 mA (2 wire connection,
current source)
User configurable over range;
4-20 mA (2 wire connection,
current source) Modbus RTU
over RS485 digital
communications
Moisture Output Dew point or moisture content
Temperature Output Not available Data via Modbus RTU
Analog output scaled range
4-20 mA (Dew point)
-60 °C to +60 °C dew point
-50 °C to +50 °C dew point
-50 °C to +30 °C dew point
-80 °C to +20 °C dew point
-20 °C to +50 °C dew point
(Non standard ranges available on request)
Analog output scaled range
4-20 mA (Moisture content
in gas)
0 to 24000 ppm
v
(Non standard ranges available o n request)
Supply Voltage
6.5 to 28 V DC 5 to 28 V DC
Load Resistance
Max 250 Ω @ 12 V (500 Ω @ 24 V)
Current consumption 23 mA max
Analog only 23 mA max,
digital only 6 mA max
Electrical Safety
IEC61010-1, UL61010-1 &
CAN/CSA C22.2 No. 61010
IEC61010-1, UL61010-1 &
CAN/CSA C22.2 No. 61010
EN61373 Rail Rolling Stock
EN50121-3-2 Rail EMC/RFI