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Measurement Considerations
· If the surface to be measured is small (13 mm (1/2
in.) or less), hold the probe as close as possible to
the surface (no more than 50 mm (2 in.) away).
· If the surface to be measured is covered by frost
or other material, clean it to expose the surface.
· If the surface to be measured is highly reflective
such as polished metal, apply masking tape or a
matte finish paint to the surface.
· If the probe seems to be giving incorrect readings
check the front of the probe. There may be
condensation or debris obstructing the sensor;
clean per instructions in the maintenance section.
Quick Check
For a quick check of the probe, point it directly at ice
immersed in water (slush), the meter should read,
within specifications limits, 32°F (see Accuracy
specifications).
Specifications
Temperature Range: 32°F to 1000°F
Operating Temperature: 32°F to 122°F
Accuracy for 1 year:
(Operating temperature
64°F to 82°F)
32°F to 180°F: ±5.4°F
>180°F : ±3% of reading
Temperature Coefficient: ±0.3% of reading or
±0.7°F, whichever is
greater, change in
accuracy per 1.8°F
change in ambient
operating temperature
above 82°F or below
64°F.
Response Time: 1 second
Spectral Response: 8 to 14 microns nominal
Emissivity: pre-set 0.95