Model TC-55-TCD Detector
- The thermal conductivity detector (TCD) is a universal detector with a ppm to % level range. The detector is described below:
- The Model 55 has a thermal conductivity (TCD) cell with a sealed reference, a low voltage power supply, and a Wheatstone bridge with an electrometer. The electrometer output is 0-10 VDC. The customer needs a separate ADC channel to feed the electrometer signal into the GC’s data system. Alternately, PID Analyzers sells a data system (Model --) that will feed the signal into a separate PC.
- he TCD is sensitive (ppm) and a universal detector for most compounds. It has a wide dynamic range (>105).
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|Species measured:||Detection limit:||Linear Range:||Detector:|
|Universal response for most compounds||<10 ppm of H2 or He
<20 ppb of P
|> 105||2.5'' D x 5'' L|
|Electronics enclosure (FC55):||Power consumption:||Instrument operating conditions:|
|Weight: 3.5 lbs.
Size: 6'' W x 7'' L x 3.5'' H
|< 2 watt maximum||5-40 degrees C, 0-95% RH (non-condensing)|
|Easy to install||Selectivity||Wide linear dynamic range||High sensitivity|
|Improves response for a variety of compounds||> 105)||< 10 ppm of H2 or He detection limits ---|
|Adaptability||Used by environmental agencies worldwide||Display||ADC|
|Is readily adaptable to any chromatograph.||Our 2 line by 16 character display can be backlit; used for range and background readings.||Our 16 bit ADC provides a resolution of 1 part in 64,000 and our signal algorithm minimizes noise by signal averaging in the msec range.|
|Programmable Voltage output|