D. MEASUREMENT TECHNIQUES
Push Buttons
1.
TRIGGER:
Press and hold the trigger button on the 381a. The thermometer will
power up and the laser will be visible (unless in contact “K” mode). After
releasing the trigger, the thermometer will hold the last reading then automati-
cally turn off after 10 seconds. For extended measurement time simply hold the
trigger on and the termometer will stay in scan mode.
2.
RECALL LAST READING:
To recall the last reading before the unit powered off,
quickly press and release the trigger. The last reading will be displayed for an
additional 10 seconds.
3.
IR/K
The selector switch is located inside the battery compartment in the han-
dle. Simply swing open the two piece handle and position the slide switch. Set
to IR for non-contact measurements or set to K for contact measurements.
When set to K, a K-type probe must be connected to the K-type connector
located at the bottom right side of the handle. If a probe is not connected the
thermometer will display “open” when the trigger is pulled.
4.
°F/°C:
The selector switch is located inside the battery compartment in the
handle. Simply swing open the two piece handle and position the slide switch.
Temperature Measurement (Infrared)
CAUTION: LASER RADIATION - DO NOT STARE INTO BEAM.
OUTPUT <1Mw WAVELENGTH 645 - 660nm. CLASS II LASER PRODUCT.
1.
Set the IR/K selector switch to IR. Turn the thermometer on by holding down
the trigger.
2.
Line up the laser (except 380a) with the target and hold the front of the ther-
mometer nine inches from the target (spot size will be one inch at this dis-
tance).
3.
Read the temperature on the LCD.
Temperature Measurement (Thermocouple)
1.
Set the IR/K selector switch to K amd connect a K-type thermocouple probe to
the input jack located at the bottom right side of the handle.
2.
Turn the thermometer on by holding down the trigger.
3.
Touch the thermocouple to the item under test.
4.
Read the temperature on the LCD.
E. ACCESSORIES
Item #
Description
A009A
....................................9 Volt Alkaline Battery
A380
......................................Soft Carrying Pouch for 380/381/382/383
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