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geo-FENNEL FIRT 550-Pocket User Manual

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13
EN
G
OPERATION
SWITCH INSTRUMENT ON/OFF
Pull the measuring trigger to switch instrument on. After 7 seconds it automatically switches off if no
other key has been used. There is no special key to switch off the instrument.
CARRYING OUT MEASUREMENTS
Hold the instrument by its handle and point towards the area to be measured. Pull and hold the trigger
to turn the instrument on and carry out measuring process. Release the trigger and HOLD will be
displayed indicating that reading is held for about 7 seconds. If no other button is used instrument will
automatically switch off after 7 seconds.
LASER POINTER
For exact targeting the area to be measured switch on laser pointer with p button during HOLD mode.
The laser icon will be displayed. Please take care to the explanations given regarding Distance: Spot-
Ratio.
ILLUMINATION
In bad light conditions the illumination can be switched on with q button during HOLD mode.
EMISSIVITY
The emissivity is a term used to describe the energy-emitting characteristics of a material. Most (90%
of typical applications) organic materials and painted or oxidized surfaces have an emissivity of ,95
(pre-set in the unit). Inaccurate reading will result from measuring shiny or polished metal surfaces. To
compensate, cover the surface to be measured with masking tape. Press MODE button (5) and „E“
starts blinking. The required emissivity can be set with q / p buttons.

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geo-FENNEL FIRT 550-Pocket Specifications

General IconGeneral
Brandgeo-FENNEL
ModelFIRT 550-Pocket
CategoryThermometer
LanguageEnglish