Moisture sensor GPro 500

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Direct measurements in the gas stream

The GPro 500 Moisture TDL allows drift-free, virtually maintenance-free operation in dry storage applications by allowing the measurement of water vapor at ppm levels to protect your assets from corrosion damage in applications including: 

Process control
Cl2 storage
EDC storage
Features and Benefits

Tunable Diode Laser spectroscopy

Dependable, industry-proven technology

Simple installation

Thanks to probe design and single flange connection

In situ measurement

Direct measurements in the gas stream are fast and reliable

SpectraID technology

For highly reliable O2 measurement

Low cost of ownership

No sampling or conditioning equipment. Annual verification and periodic optics cleaning are the only maintenance

Low nitrogen purging consumption

For lower operation costs

Predictive ISM diagnostics

Continually monitor optical path quality to determine when cleaning will be required
Effective path length Probes: 100, 200, 400 mm (3.94", 7.87", 15.75")
Wafer cell: 50, 80, 100 mm (1.96", 3.15", 3.94")

Extractive cell: 200, 400, 800, 1000mm, 10m
Lower Detection Limit 5 ppm-v
Measurement range 0-200,000 ppm (0-2%)
Accuracy 2% of reading or 10 ppm, whichever is greater
Linearity Better than 1%
Resolution 5 ppm-v
Drift Negligible (<2% of measurement range between maintenance intervals)
Sampling rate 1 second
Response time (T90) H2O in N2 1% to 0% in <4 sec
Repeatability ±0,25% of reading or 50 ppm-v O2 (whichever is greater)
Process pressure range 0.8 bar - 2 bar (abs)/11.6 psi - 29. psi (abs)
Process temperature range 0-250 ºC(32-482 ºF) 
Optional(for probe instalation) 0-600 ºC (0-1112 ºF) with additional thermal barrier

Contact Us

“Industrial Technical Services is a single source Instrumentation and Automation company. We provide certified calibrations, PLC programming, custom controls and Panels”.


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