F-950 Instruction Manual rev. 11/26/2019
1554 NE 3
rd
Ave, Camas, WA 98607, USA
14
Phone: (360) 833-8835
www.felixinstruments.com
Operating Instructions
WARNING:
Do not store the F-950 without
batteries! Charged batteries must be present in
the instrument to maintain the accuracy of the
sensors, even when the unit is powered off.
If the batteries of the F-950 discharge during
storage, replace with charged batteries and
allow the instrument to stabilize 48 hours
before use. There is a small internal battery to
maintain the bias voltage for the ethylene
electrochemical sensor. This small internal
battery will last for one day without the main
batteries before sensor sensitivity is affected
by losing its bias voltage. The calibration
parameter data is intact with or without
batteries.
Loading the Battery
WARNING: Spring-loaded battery cartridge
The F-950 uses 18650 Li-ion 3.7 V 3100 mAh
rechargeable batteries. The Battery Eliminator
accessory can be used instead of batteries if
desired. For longer lifespan, charge the
batteries at 0.25 A. For a faster charge, charge
at 1 A. The batteries must be removed from
the F-950 to be charged. If the batteries of the
F-950 discharge during storage, replace with
charged batteries. The Li-ion batteries have
little self-discharge and a lifetime of
approximately 3 years.
To remove the batteries, twist the battery
compartment cap, located on the bottom of the
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