Michell Instruments Optidew User Manual page 55

Optidew User's Manual
Resolution
Measurement Units
Enclosure
Material
Analog Outputs
Digital
Communications
Alarms
Inputs
Data Logging
Ingress Protection
Dimensions
Weight
Display
Environmental
Conditions
Supply Voltage
Power consumption
Michell Instruments
Control Unit
1 or 2 decimal places selectable
°Cdp or °Fdp
Relative humidity - %
Absolute humidity - g/m
Mixing Ratio - g/kg
Wet Bulb Temperature (Twb) - °C, °F
Water Vapour Pressure (wvp) - Pa
Ambient Temperature - °C, °F
pressure converted DP - °C, °F
pressure - KPa, Bara, Barg, Psia, Psig
Wall Mount
ABS
Two mA outputs, selectable
0-20, 4-20 (maximum load
500Ω)
Modbus RTU over RS485
(standard)
Modbus TCP over Ethernet
(optional)
1x Process Relay,
1x Alarm Relay,
Both Form C, 1A, 30V DC
4-20mA for pressure sensor
SD card slot (optional)
IP54 (standard)
IP65 (optional)
220x175x75mm
Control unit: 1.5kg
Sensor: 200g
5.7" color touch screen
(optional)
-20 to +50°C, up to 100%RH non-condensing
(optional) 100% RH condensing with IP65 version
100 to 240V AC, 50 to 60Hz
30VA max
, ppm
3
V
Bench Top
ABS
Two mA outputs, selectable
0-20, 4-20 (maximum load
500Ω)
Modbus RTU over:
USB (standard)
RS485 (standard)
Modbus TCP over Ethernet
(optional)
1x Process Relay,
1x Alarm Relay,
Both Form C, 1A, 30V DC
4-20mA for pressure sensor
SD card slot (standard)
IP54
220x175x118mm
Control unit: 1.5kg
Sensor: 200g
5.7" color touch screen
APPENDIX B
45