Model FP56 - FPD Detector

  • The flame photometric detector (FPD) is used for the selective measurement of any S or P species that can be burned in a flame to product chemiluminescence. This corresponds to either small molecules like H2S or PH3 or large pesticides containing S or P. The detector is described below:
  • The Model 56 has an FPD (burner), a photomultiplier tube (PMT), a HV power supply for the PMT, an interference filter for S (394 nm or P 525 nm), an electrometer and gauges and flow control for the support gases for the FPD (H2 and air). The electrometer output is 0-10 VDC. The customer needs a separate ADC channel to feed the signal into the GCs data system. Alternately, PID Analyzers sells a data system (Model --) that will feed the signal into a separate PC.
  • The FPD is very sensitive and very selective detector for S or P compounds. It has the wide dynamic range (>106).
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Specifications

Species measured: Detection limit: Linear Dynamic Range: Detector:
Selective for S or P compounds                         <20 ppb of S
<20 ppb of P
> 103 S
> 105 P
-- D x --- L
Electronics enclosure (FP56): Power consumption: Instrument operating conditions:
Weight: --- lbs.
Size: -'' W x -'' L x -'' H
< 2 watt maximum 5-40 degrees C, 0-95% RH (non-condensing)

Features

Easy to install Selectivity Wide linear dynamic range High sensitivity
  Improves separations of S or P compounds from hydrocarbons > 103 to 105 (S or P) pg detection limits of S or P.
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; the meter has a square root response for S and a linear response for P. 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
0-10VDC

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