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Photovac - MicroFID FID, Selectable: 0.5 to 2,000 ppm & 10 to 50,000 ppm (Intrinsically Safe)

(Download Manual) (Download Specifications)


With a wide linear range, the MicroFID responds to almost all VOCs. The flame ionization detector is stable and virtually immune to possible interferences such as water vapor. It detects VOCs up to 50,000 ppm, including methane, in fugitive emissions or environmental applications. At just 8.1 lb, the MicroFID is the smallest and lightest data logging Flame Ionization Detector (FID) available. One tutor key prompts you through basic operations. Critical data is displayed and logged in less than 3 seconds within the concentration range. In Interval Mode, the MicroFID records the date, time and minimum, average and maximum readings during user-selectable intervals. In EPA Method 21 Mode, background, sample and difference readings are recorded. The data can then be down-loaded to a PC using Windows-based software. A simple two-step calibration holds for a full workday. The MicroFID ergonomic design includes a built-in handle and a rubberized keypad that can be used while wearing protective equipment. It has an refillable fuel gas (hydrogen) mini-cylinder to allow up to 12 hours of field operation. The sample air serves as the oxygen source to start the flame. Replaceable and rechargeable battery packs operate for as long as 15 hours. The MicroFID is classified as Intrinsically Safe for both North America and Europe. The MicroFID is ideal for measurement of soil gases or where methane must be included in the total reading.



Size: 43.5 cm (17.1”) long, 9.8 cm (3.85”) wide, 18.8 cm (7.4”) high

Weight: 3.7 kg (8.1 lb.)

Detector: Flame ionization

Keypad: 16-key silicone with tactile feedback

Display: 2-line, 16-character dot-matrix, liquid crystal, for alphanumeric and

bar graph readouts

Datalogger memory: 30 kilobytes or 750 entries

Chart recorder output: 0 to 1 volt full scale

Serial output: RS-232, 1200-19200 baud with no parity, for tabular and graphic

printouts and connection to an IBM compatible computer

Audio output: On Alarm, LoBatt and NoFlm

Inlet connection: 1/4” stainless steel compression fitting

Battery type: Sealed lead-acid, field-replaceable pack

Battery pack lead content: 57% Lead (Pb) by weight.

Charge/discharge time: 8 hr/15 hr

Battery charger: Automatically charges and maintains full charge in battery pack

Hydrogen cylinder capacity: 9.2 liters at 1800 psig

Hydrogen cylinder discharge time: 12 hours

Materials in sample stream: Stainless steel, Teflon®, Viton®, polypropylene, PEEK, nitrile chorobutadiene rubber

Inlet filter: Replaceable 1 μm Teflon/Polypropylene

Inlet flow rate: 600 mL/min. +/- 10%

Operating temperature range: 5° to 40°C (41° to 104°F )

Storage temperature range: 5° to 40°C (41° to 104°F )

Operating humidity range: 0 to 100% relative humidity (noncondensing)

Operating concentration range: 0.5 to 2000 ppm methane equivalent (Low Range), 10 to 50,000 ppm methane equivalent (High Range)

Accuracy: Methane: (after calibration with zero air and 500 ppm methane span gas): within +/-0.5 ppm or +/-10% of actual methane concentration. (0.5

to 2000 ppm range)

Precision: +/-0.3 ppm or +/-5% (0.5 to 2000 ppm methane range) and +/-3 or +/-

5% (10 to 50000 ppm methane range)

Response time: Less than 3 seconds (to 90% of full scale response)

Detection limit: 0.5 ppm methane

Toll Free: 1-888-233-3535