F-940 Instruction Manual rev. 11/26/2019
1554 NE 3
rd
Ave, Camas, WA 98607, USA
3
Phone: (360) 833-8835
www.felixinstruments.com
Table of Contents
Introduction .................................................... 6
Features ......................................................... 8
Unpacking the F-940 Store It! ...................... 11
Operating Instructions .................................. 14
Loading the Battery .................................. 14
Basic Operation ........................................ 15
Measurement Modes ................................ 16
Measure ....................................................... 18
Continuous Mode ..................................... 18
Trigger Mode ............................................ 20
Taking a Measurement ............................. 21
Instrument Protection ............................... 22
Passcode Protection ............................. 22
Flow Blocked......................................... 23
Sensor Out of Range ............................ 23
Sensor Exposure ...................................... 24
Volatile Organic Compounds (VOCs) .... 24
Extreme Conditions of Humidity ............ 24
Discontinuous Measurement vs
Continuous Measurement ..................... 25
F-940 Store It! Menu Map ............................ 26
Setup Menu.................................................. 27
Setup > Mode ........................................... 27
Summary of Contents for F-940
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