Pura Advanced Online Hygrometer User Manual
CODE 4
Channel 1
DEFAULT VALUE = 207
Digit 1st digit (left most)
Analog Sample Rate
0
N/A
1
N/A
2
Single channel (50 Hz)
3
Dual channel (50 Hz)
CODE 6
Channel 2
DEFAULT VALUE = 000
Digit 1st digit (left most)
Measurement Task
0
Pressure in psig
1
Pressure in barg
CODE 7
Result processing
DEFAULT VALUE = 000
Digit 1st digit (left most)
Measurement Task
0
Dew point
1
ppm
/ppb
V
v
2
N/A
3
N/A
4
N/A
Setpoint control 1 – 6
DEFAULT VALUE = 000
Digit 1st digit (left most)
Relay Sense
Relay energized above
0
setpoint value
Relay energized below
1
setpoint value
2
N/A
3
N/A
4
N/A
5
N/A
6
N/A
7
N/A
Michell Instruments
Measurement task, Sampling rate
2nd digit
Analog Output 1 Source
Dew point in degrees C
Dew point in degrees F
N/A
N/A
Measurement task
2nd digit
0 only (No Function)
N/A
N/A
2nd digit
Calibration Function
N/A
N/A
N/A
N/A
N/A
Relay latching, relay setup, source
(Prog/Down menu after setpoints)
2nd digit
Setpoint Source
Processed result data (dew point,
ppm
, ppb
)
V
V
Dew point only
Pressure
Open transmitter connection
Open / short circuit transmitter
Open / short circuit thermistor
All transmitter faults
N/A
APPENDIX B
3rd digit
0 only (No Function)
N/A
N/A
N/A
N/A
3rd digit
0 only (No Function)
N/A
N/A
3rd digit
Range for Result
1 – 9999ppm
v
1 – 999.9ppm
v
0.01 – 99.99ppm
v
0.001 – 9.999ppm
v
0.01 – 99.99ppb
v
3rd digit
Setpoint Function SP1 – SP4
No function
Relay latched
De-energized relay
N/A
Relay off for open transmitter
connection
Relay on for open transmitter
connection
Relay toggles at 1 Hz for
transmitter connection fault
Set-up hysteresis, make/
break delay and delay type
35
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