General IRT203 Mode D'emploi page 3

IRT203 Manual-FINALrev-001208 2/12/08 3:36 PM Pag
MINIMUM OR MAXIMUM MODE
To utilize the thermometer's minimum or maximum mode, firstly turn
the instrument on by pressing the 'Scan key', then press the 'Mode
key' once for minimum or twice for maximum function. The 'MIN' or
'MAX' icon will flash, then press the 'Scan key' to confirm the
minimum or maximum mode. The thermometer will display the
minimum or maximum reading only.
LOCK MODE
The lock mode is particularly useful for continuous monitoring of
temperatures.
To utilize the thermometer's LOCK mode, firstly turn the instrument on
by pressing the 'Scan key', then press the 'Mode key' three times for
the lock mode function. The lock icon will flash, then press the 'Scan
key' to confirm the lock mode. The thermometer will continuously
display the temperature for up to 60 minutes or until the 'Scan key' is
pressed again.
EMISSIVITY RANGE
The infrared thermometer is supplied with a default emissivity of 0.95.
The emissivity of the thermometer can be changed from 0.05 (5E) to
1.00 (100E). Changes should only be carried out by experienced
personnel. To change the emissivity firstly turn the instrument on by
pressing the 'Scan key', then press the 'Mode key' five times for
emissivity function. The 95E will flash on the LCD screen, then press
the 'Scan key' to adjust the emissivity value, press the 'Mode key'
again to exit the set up screen. For information relating to the
emissivity of specific materials, please contact the nearest retailer.
NOTE: non-contact infrared thermometers are not recommended for
use in measuring the temperature of shiny or polished metals.