This document is the user manual for the 63/66/68 Infrared Thermometers produced by Fluke Corporation, providing instructions for use and important precautions.
This manual introduces the Fluke 63, 66, and 68 infrared thermometers, covering safety guidelines, symbols, and key features such as laser sighting, backlit display, and data logging. It explains how the devices measure surface temperature, how to operate the controls, and how to adjust settings like emissivity, alarms, and units.
The document also lists technical specifications, battery information, maintenance procedures, optional accessories, and CE certification details, and includes a troubleshooting guide for common issues.
| Resolution (63) | 0.2 °C (0.5 °F) |
|---|---|
| Response Time | 500 ms |
| Spectral Response | 8 µm to 14 µm |
| Weight | 320 g (0.7 lb) |
| Dimensions | 200 mm × 160 mm × 55 mm |
| Battery Type | 9 V Alkaline or NiCd |
| Battery Life (63) with laser & backlight on | 10 hours |
Model 63 runs for about 10 hours, while models 66 and 68 run for about 20 hours with the laser and backlight on.
The laser turns off automatically when the ambient temperature exceeds 40 °C (104 °F).
Replace the batteries as soon as the battery indicator appears on the display.