Optidew User’s Manual
46
October 2019
APPENDIX B
Control Unit
Resolution
1 or 2 decimal places selectable
Measurement Units
°Fdp or °Cdp
Relative humidity - %
Absolute humidity - g/m
3
, ppm
V
Mixing Ratio - g/kg
Wet Bulb Temperature (Twb) - °F, °C
Water Vapor Pressure (wvp) - Pa
Ambient Temperature - °F, °C
pressure converted DP - °F, °C
pressure - Bara, Barg, Psia, Psig, KPa
Enclosure
Wall Mount
Bench Top
Material
ABS
ABS
Analog Outputs
Two mA outputs, selectable
0-20, 4-20 (maximum load
500Ω)
Two mA outputs, selectable
0-20, 4-20 (maximum load
500Ω)
Digital
Communications
Modbus RTU over RS485
(standard)
Modbus TCP over Ethernet
(optional)
Modbus RTU over:
USB (standard)
RS485 (standard)
Modbus TCP over Ethernet
(optional)
Alarms
1x Process Relay,
1x Alarm Relay,
Both Form C, 1A, 30V DC
1x Process Relay,
1x Alarm Relay,
Both Form C, 1A, 30V DC
Inputs
4-20mA for pressure sensor
4-20mA for pressure sensor
Data Logging
SD card slot (optional)
SD card slot (standard)
Ingress Protection
IP54 (standard)
IP65/NEMA 4 (optional)
IP54
IP65/NEMA 4
Dimensions
8.7"x6.9"x3.0"
220x175x75mm
8.7"x6.9"x3.0"
220x175x118mm
Weight
Control unit: 3.3lbs/1.5kg
Sensor: 7oz/200g
Control unit: 3.3lbs/1.5kg
Sensor: 7oz/200g
Display
5.7” color touch screen
(optional)
5.7” color touch screen
Environmental
Conditions
-4 to +122°F / -20 to +50°C, up to 100%RH non-condensing
(optional) 100% RH condensing with IP65 version
Supply Voltage
100 to 240V AC, 50 to 60Hz
Power consumption 30VA max
Содержание Optidew Bench Top
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