Model 115 Portable FID Analyzer

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  • The Model 115 is an FID based Analyzer for measuring total hydrocarbons including methane to 50,000 ppm. It has enhanced features such as a faster response time, extended linear range and datalogging (see below).
  • The 115 includes the choice of one (1) Snap-On Module with FID, Operator's Manual, and Rechargeable Nickel Metal Hydride Battery.
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Species measured: Sensor(s): Precision: Response time:
Total Organics (VOCs) including methane single - FID only +/- 1% of reading <10 sec. to 90% response
Sample flow rate: Span Drift: Range: Linear Range:
> 0.2 LPM <2% over 8 hours 1 to 50,000 ppm To 50,000 ppm direct reading
Power consumption: Dimensions: Weight: Instrument operating conditions:
< 0.75 watt maximum 10'' L x 3'' W x 4.5'' H 5 pounds 5-40 degrees C, 0-95% RH (non-condensing)
Performance: Battery operated: Hydrogen Zero Air
Isobutylene Referred > 10 hours of operation Disposable cylinder provides up to 15 hours of operation Provided by charcoal filtered ambient air


Headspace Software Single piece construction Carrying case Ease of calibration
The accuracy of VOC measurements in soil and water is greatly improved with the built in software method. No operator interpolation is required. The single piece construction (when the head and readout units are snapped together) of ABS plastic is very rugged and durable. For analyzer and disposable hydrogen cylinder. The two point calibration for the FID uses zero gas and a span gas. The time to calibrate is about 30 seconds. The Cal button is located on the main menu for ease of use.
Datalogging Library Display ADC
Manual or automatic datalogging (7,000 points) is available. The 115 has a built in real time clock. Viewer software (Windows 98-XP compatible) comes with the 115. There are libraries for the FID that are easily accessible. There are more than 200 response factors built into the 115. Our 2 line by 16 character display can be backlit. The upper display provides the concentration and the bottom display provides the sensor, units, alarm and logging mode. 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

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