PID Analyzers - Model 102+ - Photoionization (PID) Analyzer for VOC’s
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Model 102+ Photoionization (PID) Analyzer for VOC’s (0-500 & 0-5000 ppm) +4 sensors- 6 Channel PID. Technologies: Photoionization (9.5, 10.0, 10.6, 11,7 eV ppm), Infrared CO2, CH4, Electrochemical- PID + 4 sensors- 6 Channel PID analyzer with optional ppb Mode.
Measure
VOC’s ppm, benzene, 1,3 BD, ETO, TCE, PCE, VCM, THC, H2S, NH3, Cl2, NO, NO2, 1,3 BD, CH2O, Hg.
Features
PID -VOC’s ppm
- PID (9.5, 10.0, 10.6, or 11.7 eV) lamp easily interchangeable by customer
- Battery 3.7V LiPO UN 38.3 passed, w charger
- Display: bright 3.5” TFT color
- Controls: Menu with Cal, QC
- Range: 0-500 & 0-5,000 ppm, or optional ppb with 0-1000 ppm & 0-30,000 ppb
- Resolution 0.1 ppm
- Size: 12” L, 3' W, 2.30' H
- Weight: 1.4 #
- Communication: WiFi, Blue tooth, RS232
- Real time clock
- Data collection on server or PC: Data-Date, Time, Concentration
- Internal Memory:> 100,000 points for datalogging
- Humidity correction for RH up to 90%
Model 102+ - PID -Analyzer for Total VOCs & Hydrides in Air & Water
HNU Systems, Inc. introduced the first commercial photoionization based instrumentation in 1974. In 2003, the company name and incorporation was changed and we became PID Analyzers, LLC. Nearly 50,000 of the portable and laboratory PIDs have been sold throughout the world. Dr. Jack Driscoll, inventor of the PID, received the AIHA Edward Baier award in 2017 (https://bit.ly/2rRG6M8) for the development of the PID for industrial hygiene measurements. More than 50 United States Environmental Protection Agency and Occupational Safety & Health Administration (OSHA) methods have been published in the Federal Register. Many states have adopted these methods for VOC’s.
Principle of Operation
The process occurs when a molecule absorbs light of sufficient energy to ionize a molecule see below:
RH + hv = RH+ + e-
where
RH is a molecule of gas hv is a photon with an energy greater than or equal to the ionization potential of the molecule RH.
The ultraviolet lamp generates photons that ionize the molecule RH (above) and generates positive ions. An accelerator electrode (positively biased) pushes the ions, to the collector elctrode where the current (proportional to concentration) is generated, amplified and displayed on the digital meter.
PID, EC (25), IR- CO2, HC
Applications:
Non-specific- M102+ PID- Responds to VOC’s & inorganic hydrides
Safety, Industrial Hygiene surveys.
Accelerants at Arson scenes, Hazardous waste spills and site evaluations, transportation, Total VOC’s in Air, Water and Soil
Inorganic hydrides: H2S, NH3, PH3, AsH3
Semiconductor plant leaks of PH3, AsH3
Mercaptans in air and water
Mercury in air or water
Headspace- VOCs in soil or water
Quality control- residual monomer in resins, residual solvents in paper or food, testing gas masks, residual gases in cylinders
Emergency response- spills from trucks & trains
Fugitive emissions- leak detection
Arson investigations- find trace accelerants
Confined space entry- health & safety
In addition, a library of compounds > 300 for the 9.5, 10.6 and 11.7 eV is available for selection by the customer.
Options
- IR sensor for CO2 ppm or %
- or IR sensor for CH4 ppm or %
- Electrochemical sensor - three selectable
- Hard Carrying case
- Calibration kit (cal gas plus regulator)
Menu
The 3 button display has a select button in the middle and up and down arrows to change the menu position as shown below:
The menu selection is: The startup display has the lamp, compound, set as, PPM VOC, Log on/ Off, Battery %, mV,& alarm info- The Run display has a larger ppm or ppb reading, lamp info, and battery % Calibrate- press select (S) to enter and calibrate with zero and span gas, The user is asked to connect the gases and when to press S The Library has selection for 9.5, 10.6 or 11.7 eV lamps and separate libraries for each lamp. Isobutylene is used as the cal gas, then the Respond As will give the response the gas of your choice
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