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9091 Dissolved Hydrogen Analyzer
The Waltron 9091 Dissolved Hydrogen Analyzer is the industry standard for continuous measurement of dissolved hydrogen in water. Measurement is microprocessor based and uses a potentiostatic three electrode system.
Important application points include primary loop of nuclear power plants, boiler beed-water in thermal power plants, denitrification of drinking water, and catalytic reduction of oxygen on noble metal surfaces in water treatment plants. The dissolved hydrogen concentrations within the water/steam loop of a power plant gives quantitative and qualitative evidence of the rate of corrosion, corresponding to the buildup or destruction of the protective oxide layer inside pipes and boiler tubes.
Range
0 - 1000μg/L, 0-10 mg/L
Accuracy
+/- 3 % of reading
Response Time
t90 = 30 sec
Temperature Compensation
Automatic
Calibration
Automatic or manual
Current Outputs
0-20mA, 4-20mA (shunt max 500 Ohm)
Digital Outputs
serial interface RS232
Alarms
flow, calibration, power
Power
100VAC - 240 VAC, 50/60 Hz
SAMPLE DELIVERY OPERATING CONDITIONS
Sample Flow
3 - 18 L/h
Sample Temperature
32-140° F (0-60° C)
Ambient Temperature
32-131° F (0-55° C)
Pressure
0.3 - 8 bar (5 - 116 psig)
Recommended Conditioning
Sample should be filtered to 60 microns
Sample Conductivity
≥ 2μS/cm ; salt cell is required if conductivity is less
MECHANICAL
Dimensions
Transmitter: Height=11” (27.7 cm), Width=7” (17.8 cm), Depth=7.75” (19.7 cm) with wall-mount bracket, Depth = 4.5” (11.4 cm) without wall-mount bracket
Wet Section: Height=6” (15 cm), Width=4” (10 cm), Depth=6” (15 cm)
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