MESTEK IR03 Infrared Thermometer User Manual
- June 9, 2024
- MESTEK
Table of Contents
- MESTEK IR03 Infrared Thermometer User Manual
- Safety notices
- Notes
- 3. Appearance Description
- 4. Liquid crystal display description
- 5. Measurements Method
- 7. Non-contact temperature measurement:
- 6. Target distance ratio (D:S ratio)
- 7. Radiance
- 8. Replacement of battery
- 9. Technical Indexes
- Read User Manual Online (PDF format)
- Download This Manual (PDF format)
MESTEK IR03 Infrared Thermometer User Manual
Safety notices
Before using the thermometer, please read the manual carefully.
Do not use any solvent to clean the thermometer.
Warning!
Do not align the laser to human eyes or reflective surface.
Notes
- When the ambient temperature changes in a sudden, it is required to place the thermometer in the environment for 30 minutes , and measure when intemal and extemal temperatures of the thermometer coincide.
- Try to avoid any electromagnetic field caused by electric welding and induction heating.
- Do not place the thermometer close to or on a high temperature object.
- Keep the thermometer clean, and avoid dust from entering the tube.
3. Appearance Description
4. Liquid crystal display description
- Primary display: Displays measured temperature.
- Function indication: MAX (Maximum value)
- Displays the maximum value
- Fahrenheit degree
- Centigrade degree
- Low voltage indication
- Laser indication
- Measurement indication
- Low alarming
- High alarming
- Data hold
- Radiance indication
5. Measurements Method
7. Non-contact temperature measurement:
Aim the thermometer at the object, and hold the trigger, to conduct continuous measurement of temperature.
After displaying stably, release the trigger, and the measurement result will be maintained.
When holding the trigger, the secondary display of the instrument will display the maximum value of the measured temperature.
When the measured value is greater than the upper limit of high alarm or the measured value is less than the lower limit of low alarm, the red alarm indicator will turn on to alarm.
6. Target distance ratio (D:S ratio)
The thermometer has a certain visual angle and visual field, as shown in the following figure.
In order to guarantee the measured object fills in the visual field of the thermometer, which means the thermometer only “sees” the measured object rather than other objects. Larger objects may cause larger temperature measurement distances; for smaller objects, the measurement distances must be close. The ratio of measurement distance to the measured target (D:S) is 12:1 , as shown in the following figure:
7. Radiance
The radiance characterizes the ability of an object to radiate infrared ray. Larger radiance will lead to stronger radiation ability on the object surface.
Radiance of the majority of organic matters or metal oxidized surfaces ranges between 0.85 and 0.98. The radiance of the thermometer is 0.95 by default. During measurement, set the radiance of the instrument the same with the radiance of the measured object. During measurement, please pay attention to the impact of emissivity on measurement results.
The following table is the radiance reference table.
8. Replacement of battery
When battery is low, the battery symbol will light up, in this case, it is required to replace the battery. Open the battery cover with your hands, and replace with a new 1.5Vx2AAA battery. Refer to the following figure:
9. Technical Indexes
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