Description
What it is
The GM320 is an infrared laser non-contact thermometer that allows measuring temperatures from -50°C to 330°C. Ideal for applications where precision and efficiency are crucial, such as electronics work and 3D printing.
Features
- Non-contact laser temperature measurement
- Temperature range: -50°C to 330°C
What it is for
Ideal for technicians and makers, the GM320 can be used to build a thermal alert system that measures the temperature of various surfaces and triggers an alarm when a certain value is exceeded. Additionally, it is compatible with Arduino and ESP for advanced integrations.
Tutorial: How to use GM320
The GM320 is an infrared laser non-contact thermometer ideal for measuring temperatures in difficult environments. Useful for technicians and makers.
What you need
- GM320
- mounting bracket (optional)
- thermometer calibrator (optional)
Steps
- Check the datasheet for specifications (temperature range -50℃ to 330℃).
- Prepare a clean workbench.
- Mount the GM320 on a holder (if necessary).
- Take the thermal calibrator (if available).
- Set the calibrator to a known temperature.
- Put the GM320 in calibration mode (if available).
- Measure the temperature of the object or the environment.
- Read the temperature on the LCD display.
Mini project
Build a thermal warning system. Measure the temperature of various surfaces and activate an alarm when it exceeds a certain value.
Common mistakes
- Do not calibrate the GM320 unless specifically required.
- Do not use the GM320 in extreme conditions without calibration.
- Do not measure surfaces with irregular or moving surfaces.
- Do not use the laser directly on skin or eyes.
Recommended accessories
- Mounts for fixing the GM320
- Thermal calibrator
- Electronic alarm
- Objects to measure
Frequently asked questions
Can I use the GM320 to measure the temperature of water in a glass?
Yes, but make sure the surface of the glass is uniform and stable.
Is the GM320 calibrated at manufacture?
Check the datasheet if it is calibrated at manufacture. Otherwise, calibrate manually.
Can I use the GM320 to measure temperatures below -50℃?
No, the GM320 only works between -50℃ and 330℃.





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