9091C Dissolved Hydrogen Analyzer

The Waltron 9091/9091C 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 bleed-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.

 Portable system – Model 9091C available


 Fully automatic remote calibration


 Wide range analysis: 0-1000 μg/L, 0-10 mg/L, 0-100 cc/kg


 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


 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=5.5” (14 cm), Width=7” (18 cm), Depth=7” (18 cm)
Wet Section: Height=6” (15 cm), Width=4” (10cm), Depth=6” (15 cm)


  

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