Portable CH4 Detector - SENSIT PMD
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Description
SENSIT PMD - Portable Methane Detector
Low-cost and lightweight, the SENSIT® PMD is one of the best performing and most cost efficient methane gas analyzers on the market. Using the most advanced filtered infrared spectroscopy technology, the Portable Methane Detector allows users to survey, pinpoint, and grade methane gas leaks quickly and accurately for both walking and vehicle applications.
Features and Benefits:
- Methane selective, PMD filters out other gases in PPM range
- Powerful pump provides fast methane detection
- High sensitivity of 1 PPM detects methane leaks faster
- Detection range of 0-100% volume for faster natural gas leak classification
- Walking or vehicle operation allows for greater user survey flexibility
- Designed to be Intrinsically safe. PMD can be used indoors or outdoors
- Simple calibration compliance using Smart-Cal
- GPS capable for measurement mapping (optional feature)
Not necessarily. When the H2S sensor is exposed to high levels of H2S gas, it is recommended to run the instrument with the gas pump on with ambient air for the same amount of time the sensor was exposed to the high level of H2S. This allows for purging of the instrument before turning the instrument off. Be aware though that continued exposure to levels over 5000ppm H2S will damage the sensor.
Exposure to H2S levels from 2000-5000ppm with moisture will degrade the sensor more quickly. Using filters inline reduces the moisture content of the gas stream entering the instrument.
A common cause for lower than expected gas readings is leakage in the instrument. Perform a leak test by connecting the Condensate Separator Tube to the Pressure Connection 1 Port with tubing.
Perform a leak test as described in the User Manual Optima 7 Biogas. If the leak test fails, check for defective or missing o-rings in the Condensate Separator Tube.
If the user uses the Sampling Probe with sampling lines to take gas readings, place a clean Leak Proof Test Cap on the end of the probe spike. Attach the other end of the sampling line onto the Condensate Separator Tube. Perform the leak test. If the leak test fails, check for defective or missing o-rings in the Condensate Separator Tube and for cracks in the sampling line.
Look closely at the prongs of the thermocouple. The prongs might be dirty. Use a sponge soaked in a 1:3 vinegar/water solution and gently wipe the prongs. Wipe dry with a lint-free cloth or allow to air-dry.
Simultaneously, press the ESC key and the power button then release both keys. You will have to update the Date and Time setting in your instrument afterwards.