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.

 Fully automatic remote calibration


 Wide range analysis: 0 -1000 μg/L, 0 - 10 mg/L


 Automatic temperature and flow compensation


 Fast response time (t90 = 30 sec)


 No zero point adjustment required


 Withstands pressures up to 8 bar (116 psi)


 Analog and digital outputs


 Low reagent consumption


 Minimal maintenance required


 Automatic operation

PERFORMANCE

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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