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PID Analyzers - Model PI51 & PI52 -PID Detector
The photoionization detector (PID) is used for the measurement of low (ppb) organic and inorganic species that can be ionized by the UV lamp (9.5, 10.6 & 11.7). Nearly 20,000 of these detectors have been sold worldwide since it was first released by HNU Systems in 1976. It has been used for the measurement of VOC’s in water (EPA method 602, EPA Method 50--, EPA Method SW846…, numerous OSHA methods), quality control.
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There are two Models that are described below:
- The Model PI52 has a PID, a power supply for the lamp and bias and an electrometer. The electrometer output is 0-10 VDC. The customer needs a separate ADC channel to feed the signal into the GC’s data system. Alternately, PID Analyzers sells a data system (Model 50) that will feed the signal into a separate PC.
- The Model PI51 has a PID and a power supply for the lamp and bias. Here, the customer uses the electrometer (FID type with a positive bias) already in the Gas chromatograph. This should already have the ADC connection to the customer GC data system.
- The PID is one of the most sensitive detectors available for VOC’s. It has the widest dynamic range of any detector available (108) and does not require any support gases except the carrier.
- Easy to install
- High sensitivity: pg or sub pg detection limits - most sensitive PID available
- Display (PI52 only): Our 2 line by 16 character display can be backlit; used for range and background readings.
- Selectivity: Improves separations and analysis of trace species.
- Adaptability: Is readily adaptable to any chromatograph.
- ADC: 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
- Wide linear dynamic range: > 107
- Non destructive: Detectors can be run in-series.
- 50-200 times more sensitive than the FID
- Used by environmental agencies worldwide
- Programmable Voltage output: 0-10VDC (PI52 only)
- Species measured: Organics (VOCs) and inorganic species that can be ionized by the UV lamp (9.5, 10.6, 11.7)
- Electronics enclosure (PI52):
- Weight: 3 lbs.
- Size: -`` W x -`` L x -`` H
- Detection limit:
- Electronics enclosure (PI51):
-
- Weight: 0.40 lbs
- Size: 4`` W x 5`` D x 1.25``H
- Range: > 5 x 107
- Power consumption: < 2 amps @ 115V
- Detector: 2.5`` D x 5.5`` L
- Dimensions: 10`` L x 3`` W x 2.25`` D
- Instrument operating conditions: 5-40 degrees C, 0-95% RH (non-condensing).