TPI Infrared Thermometer

HVACTool.net Product Description
Measure -4 to +572°F (-20 to 300°C), single button, temperature compensated, 0.1° resolution non-contact (IR) thermometer
Repeatable, 0.1° resolution readings BenefitRepeatability ensures tests are consistently correct
Temperature compensated for accurate readings at low temperatures BenefitTemperature measurement is not affected by the ambient temperature of the thermometer
Last reading hold function BenefitDon't have to hit a hold button; holds last reading automatically.
Easy-to-use one button operation Benefitcan'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 Benefit Measure C or F with one tester.
9 to 1 D:S BenefitMeasure temperatures from further away
Laser sighting
Backlight easy to read LCD
Auto off
Backlight easy to read LCD
Auto off
Specifications
Non-Contact (IR) Range -4°F to 572°F
-20°C to 300°C
Accuracy +/-2% of reading or +/-3.5°F whichever is greater
Contact (K-Type) Range N/A
Accuracy N/A
Distance to Target Ratio 9.5:1
Response Time 500mS
Spectral Response 7 to 14um
Emissivity 0.95 Fixed
Laser Sight Yes
Min/Max Record No
Display Resolution 0.1° / 1° (Automatic)
Backlight Display Yes
Operating Temperature 32°F to 120°F (0°C to 50°C)
Battery Type 9V
Applications
Remote vent and return temperature measurement
Tubing, piping, and sheet metal temperature
Leaks around cooler or freezer doors
Infrared Thermometers FAQs
What does “distance to spot ratio” mean?
The laser spot needs to be showing inside the target area. A 9:1 “distance to spot ratio” means you are measuring a 1” diameter area at a distance of 9 ”.
How far can I measure?
Distance is unlimited. The size of the target area sets the limit on distance for accurate measurements. Example: If the area you wish to measure is 1 foot in diameter, then you will need to be within 8 feet torecord an accurate temperature.
What is the smallest target I can read?
Approximately one-half inch in diameter.
How do I turn the laser on and off?
While holding the Power On button down you cantoggle the Lock On button for either laser on or laser off operation. When the laser is activated the laser displays this icon.
What is emissivity?
This is a ratio of an object’s infrared emission compared to a theoretical black body, considered 1. Emissivity is always less than 1. Adjustable emissivity allows your non-contact thermometer to be adjusted to the surface you are checking to make readings more accurate.
How do I adjust the emissivity of my contact/noncontact 375, 376, 377?
The 375, 376, and 377 feature adjustable emissivity and contact probe capability. This is very useful for determining the emissivity of any surface condition.Simply use the contact probe and record surface temperature. Next use the IR gun and adjust the emissivity until the temperature matches the reading of the contact probes. Copper pipe produces different emissivity properties, ranging from 0.02 to 0.78, due to oxygen oxidation and curvature. You will now have the most accurate reading in the IR mode for that surface.
How can I make measurements more accurate if I don’t have my contact probe or have a fixed emissivity thermometer?
Painting the surface being measured matte black will make temperature readings more accurate. A piece of black tape can also be used.
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