Hach Ultra POLYMETRON 9182, Operator'S Manual

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Oxygen analyser (ppb) - 9182 -
1-4
ANALYSIS
Measuring range 0...2 ppm
Sensibility
≤
0,5 ppb
Reproducibility ± 0,5 ppb or ± 2% whichever the greater
Detection limit
≤
1 ppb
Response time (90 %)
≤
3 min
Ambient temperature -20...60 °C (-4...140 °F)
Relative humidity 10...90%
TRANSMITTER
Display Display in concentration units
Display of the direct, concentration
dependent cell current in µA
Display of the sample temperature in °C/°F
Programming via menus
Units nA, µA, ppb-µg/l, ppm-mg/l, °C, °F
Calibration Electrical zero, chemical zero, slope calibration
in the air, slope process calibration by
comparison with a laboratory measurement
Interferences Any gas liable to reduce to a potential
> - 850 mV
Analogue outputs 2 x 0/4... 20 mA isolated from input signal, 800
Ohms load maximum
- for the measure or for the temperature
- mode: linear, bi-linear
- accuracy: 0,1 mA
Alarms Number: 4
- Functions: alarm - system alarm - timer
- Hysteresis: 0...10%
- Delay: 0...999s
- Breaking power:
250 VAC, 3A maximum
30 VDC, 0,5A maximum
Use a cable (rated 105 °C and AWG22 to 14).
The external cable insulation should be cut as
close as possible from the terminal block.