User’s Guide
0
TRH-300 Series
0
Temperature / Humidity
0
Transmitter
0
Ordering Information
Model
Descriptions
TRH-301
0
Temperature Transmitter
TRH-302
0
Humidity Transmitter
TRH-303
0
Humi / Temp Transmitter
Shape
(Mounting)
W
00
Wall mount Type
D
00
Duct mount Type
S
00
Separated Type
Output Signal
A
00
Current out
V
00
Voltage out
Example: TRH-303WA, TRH-302DV
Specifications:
Measurement
Range
0~100% RH
0~100
C
(-20~+80
C, 0~+50
C, -40~60
C available)
Accuracy
(At 25
C)
2% RH,
0.3
C
Long-term
Stability
Better than 1% RH per year (Typical)
Temp.
Compensation
0.008% RH /
C (Effect @ 0% RH)
Response
<15 seconds
(90% at +25
C in moving air at 0.5M/S)
Sensors
Humidity: Thin-Film capacitor
Temperature: RTD Pt100
IEC751, DIN43760
Output
Humi: 4~20mA Two wire
Temp: 4~20mA Two wire (scalable)
* Selectable signal output of 0 to 1V, 0 to 5V, 0 to
10V or 1 to 5V (option)
Supply
Voltage
12 ~ 40V DC
Sensor
Protection
Sintered filter, Part, No. TR-3066 (option)
Housing
ABS plastic watertight enclosure (IP 65)
Connections Liquid-tight nylon, cable bushing:
5-10mm cables
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