These highly sensitive portable gas detectors use photoelectric photometry method with colorimetric detection tab. The sample drawing rate is controlled by a microprocessor. The FP-40 has a direct readout of measurement value on an LCD display.
|Detection Range||3 minute sample - 0 to 0.06 ppm (0.001 ppm/digit)|
|Detection Time||3 minutes (180 seconds)|
|Detection Principle||Photoelectric photometry method|
|Detection Method||Colorimetric tablet method (accumulating measurement)|
|Operating Conditions||5 to 35ºC (41 to 95ºF), below 90%RH|
|Power Source||Four (4) AA Alkaline batteries|
|Operating Time||12 hours (with no alarm or backlight)|