Extech Instruments FM300 User Manual Download | Manualshive

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User Manual

Desktop Formaldehyde HCHO (CH

2

O) Meter

Model FM300

Additional User Manual Translations available at

www.extech.com

www.

GlobalTestSupply

.com

Find Quality Products Online at:

[email protected]

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Summary of Contents for FM300

Page 1: ...r Manual Desktop Formaldehyde HCHO CH2O Meter Model FM300 Additional User Manual Translations available at www extech com www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 2: ... Time Desktop style with audible HCHO CH2O alarm Three display face icons for HCHO CH2O concentration level good fair or poor Latest smart technology for measuring HCHO CH2O concentrations Easy to use intended for indoor air quality purposes Bright LED representing Recording mode Green light and Alarm trip Red light TWA 8 hour time weighted average and STEL 15 minute short term exposure limit 99 d...

Page 3: ...s MODE Button Decrease a value Review Maximum and Minimum reading Review TWA STEL Meter Description 1 Top LCD display for HCHO CH2O ppm readings 2 Middle LCD display for RH and temperature readings 3 Bottom LCD display for Time and Date 4 LED indicator light Red Orange Green 5 Push buttons detailed above 6 Power adaptor jack LED Indicator Description Each time a reading is manually stored the LED ...

Page 4: ...light will flash red and the audible beeper will sound unless it has been disabled by the user Press SET and MODE at the same time to silence the alarm beeper When attempting to manually store the current HCHO reading the LED light turns green for one second and a short beeper tone will sound Toggle the displayed temperature units by press and holding the o C o F RH button for 3 seconds SETTING TH...

Page 5: ...earlier instructions 5 Press SET again and a flashing 8 will display Use the up and down arrows to increase decrease the alarm threshold Press SEL RECALL to move to the next digit There are 3 digit places with a maximum setting of 5 00pm 0 08ppm is the default 6 Press and hold SET for 3 seconds to save and return to the normal measurement mode While alarm is tripped the LED will flash red even if ...

Page 6: ...an alarm condition press SET and MODE at the same time The red LED will continue to flash however until the environmental HCHO level no longer exceeds the default 0 08ppm Alarm level or the user selected Alarm level Remember to reactivate the beeper for future use MANUALLY STORE RECALL 99 HCHO READINGS The FM300 can manually store an HCHO reading by pressing SEL RECALL button up to 99 can be store...

Page 7: ...own from 300 seconds After calibration is completed the meter returns to the normal measurement mode automatically NOTE Power on the meter for 10 minutes at a location with good ventilation Ensure that no HCHO concentration is present in the air while calibrating DISPLAY ERROR CODES ER 1 Temperature If the Temperature sensor fails the error code appears in the Temperature display area ER 1 RH If t...

Page 8: ...res highest reading since power start Measurement analysis TWA STEL modes Power Universal AC adaptor for 100 to 240VAC sources Dimensions 155 x 87 x 81mm 6 1 x 3 4 x 3 2 Weight 165 g 5 8 oz Accuracy Note Accuracy meets NIOSH acceptance criterion within 25 of the true value at 95 confidence level Sensor Cross Sensitivity table Substance Cross Sensitivity CO 1 H2S No Data H2 0 1 SO2 12 NO2 No Data N...

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