381a Datasheet by TPI (Test Products Int)

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381a Combo Non-Contact / Contact Thermometer
381a DS 0715
www.testproductsintl.com
Features
Non-contact
-4 to 572°F
Contact -146 to
2,192°F depending
upon optional
temperature probe
Temperature
compensated
Single button,
last reading hold
function, °F/°C
switchable
Applications
HVACR
• Compressor heads
• Vents
• Hot and cold areas
in insulation
• Leaks around
cooler or freezer
doors
• Leaks around
windows
• Steam traps
• Registers
Electrical
• Cables
• Circuit breakers
• Connections
• Machinery
• Motors
• Transformers
Food
• Grill & surface
temperatures
• Holding cabinets
• Serving
temperatures
• Storage
temperatures
Repeatable, 0.1° resolution readings ensure tests are
consistently correct.
Temperature compensated for accurate readings.
Don’t have to hit a hold button holds last
reading automatically.
Easy-to-use one button operation you can’t lock up chip
by pressing multiple buttons at one time and therefore
don’t have to disconnect the battery to reboot the chip.
°C and °F selectable
9 to 1 D:S
FREE GK11M K-type thermocouple with sub-mini input jack Included
Measure hard-to-reach, sensitive, or large moving target areas.
381a Technical Data
Distance to Spot Ratio 9 : 1
Temperature Non-contact: -4° to 572°F (-20° to 300°C)
Range Contact:* -148° to 2192°F (-100° to 1200°C)
IR Accuracy @ 23°C ± 5°F (3°C) below 32°F (0°C)
and 0.95 emissivity ± 2% of rdg or ± 3.5°F (2°C)
whichever is greater at >32°F (0°C)
Contact Accuracy +(0.5% of reading + 3.5°F (2°C)
Emissivity 0.95
Laser Sighting Output <1mW, Wavelength 645-660nm, Class II Laser
°F or °C Selectable (slide switch in handle)
Contact or Non-contact Selectable (slide switch in handle)
Display Hold Yes
Response Time 500 millisecond
Spectral Response 7 - 14 um
Operating Temperature 32° to 120°F (0° to 50°C)
Battery Type 9 Volt
*Overall K-Type range shown. Actual range is dependent on the temperature range of the probe selected.
Copyright © 2015 Test Products International, Inc.
GK11M: General purpose Fiberglass insulated beaded tip probe
Exposed junction for fast response in food and non-food liquid,
air and surface applications
Diameter: 24 gauge
Lead Length: 48" (1.2M)
Temp Range: -40° to 950°F (-40° to 510°C)
381a Combo Non-Contact / Contact Thermometer
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.
Backlit display
IR/K: The selector switch is located
inside the battery compartment in the
handle. 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. °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.
K-type thermocouple
sub-mini input jack
Laser sighting

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