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Table of Contents
- 1 General Information
- 2 Safety Information
- 3 Intended Use
- 4 Technical Data
- 5 Product Description
- 6 Operation
- 7 Switching On/Off
- 8 Changing the Measuring Mode
- 9 Service and Maintenance
- 10 Changing the Batteries
- 11 Cleaning the Instrument
- 12 Questions and Answers
- 13 Measuring Method
- Download this manual
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Table of Contents
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Summary of Contents for TESTO 104-IR
- Page 1 104-IR Combined infrared and penetration thermometer Instruction manual...
- Page 2 Contents Instruction manual (en) ..............3...
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Page 3: General Information
We will ensure that it is disposed of in an environmentally friendly manner. 3. Intended use The testo 104-IR is a robust food thermometer. The product is designed for the following tasks/areas: · Food sector: production, food service, spot check measurement, incoming goods. -
Page 4: Technical Data
197g (incl. batteries) Standards EN 13485 EC Directive 2004/108/EC Warranty 2 years, warranty terms: see www.testo.com/warranty Information on standards This product complies with the EN 13485 standard for penetration measurement. Suitability: S, T (storage, transportation) Environment: E (transportable thermometer) Accuracy class: 0.5 Measuring range: -50...+250 °C... -
Page 5: Product Description
5. Commissioning 5 5. Product description 1 Infrared sensor 2 2-point laser 3 Display 4 Control keys: · [ON]: switches the instrument on · [OFF]: switches the instrument off (hold button down) · [ ]: switches to IR measurement, carry out IR measurement (hold button down) ·... -
Page 6: Operation
7. Operation 7. Operation 7.1 Switching on/off Switching on via fold-out probe Fold out the probe. - All display segments light up briefly. Contact measurement is enabled ( lights up). Switching on/off via control keys Switch the instrument on: press [ON]. - All display segments light up briefly. - Page 7 8. Settings Setting the emission level: · When IR measurement is enabled, [ ] and at the same time, press and hold down [ lights up). · Emission level is displayed. · Use [ ] or [ ] to change the value and wait for 3 s. Contact measurement - Instrument is on, contact measurement is enabled ( lights...
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Page 8: Service And Maintenance
10 min in contact measurement mode and after 1 min after switching on in IR measurement mode. If we have not been able to answer your question, please contact your local dealer or Testo Customer Service. For contact details, please visit www.testo.com/service-contact. -
Page 9: Measuring Method
11. Information on infrared (IR) measurement 9 11. Information on infrared (IR) measurement 11.1 Measuring method IR measurement is a visual measurement Keep lens clean. Do not carry out measurement with a foggy lens. Keep the measuring range (the range between the instrument and the measurement object) free of obstacles. - Page 10 12. Information on contact measurement 12. Information on contact measurement Observe the minimum penetration depth for immersion/penetration probes: 10x probe diameter Avoid using in aggressive acids or alkalis.
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Questions and answers
Testo thermometer is showing LO when trying to temp, is there any way to fix this
A "LO" reading on the Testo 104-IR thermometer indicates that the measured value is outside the allowable measurement range. To fix this:
1. Ensure the object being measured is within the device’s valid temperature range.
2. Check that the lens is clean and not fogged.
3. Remove any dust, dirt, moisture, or steam between the device and the object.
4. Confirm the device is properly aimed at the target surface.
If the issue continues, verify the thermometer is functioning correctly by measuring a known temperature source.
This answer is automatically generated