SRH400 Operating Instructions
8
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7.0 User interface
4. Push-Button S1
3. Calib Led
5. Push-Button S2
1. Jumper
2. Display
4-20 mA version
1. JUMPER:
• Selection of output signals and of calibration mode
Voltage output
4-20 mA output
T
Calib
RH
Calib
0
-
1
V
0
-
5
V
0
-
10V
Calib
T
RH
selection of output
2. DISPLAY:
• Socket for optional display
3. CALIB LED:
• Continuously on indicates adjustment mode
• 1 flash confirms reset to factory calibration
4. S1 Functions
• 1-point RH or T adjustment
(RH > 50%RH; T within the upper half of the T scale)
• 2-point RH or T adjustment (high calibration point)
• Save adjustment data
5. S2 Functions
• 1-point RH or T adjustment
(RH < 50%RH; T within the lower half of the T scale)
• 2-point RH or T adjustment (low calibration point)
• Exit the adjustment mode without saving the data
S1+S2 Function: • Reset to factory calibration
7.1 Display
1. CAL
2. °C / °F
3. %RH
1. CAL:
• Indicates adjustment mode
2. °C / °F:
• T measuring unit
3. % RH:
• RH measuring unit
Voltage output version
