Key facts
- Brand
- Fluke
- Model
- 56x
- Category
- Temperature sensors
- Industry
- Industrial
- Documents
- 3
- Languages
- EN · ZH
- Last added
- 2026-10-01
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Fluke 56x Infrared Thermometers User Manual
This manual introduces the Fluke 56x series infrared thermometers, describing their non‑contact temperature measurement principle and optional K‑type thermocouple capability. It includes contact information for technical support and registration.
The document covers safety warnings, menu navigation, emissivity settings, data storage, battery handling, cleaning procedures, accessories, and detailed technical specifications such as temperature range, accuracy, laser class, and power requirements.
Fluke 56x specifications
| Display Resolution | 0.1 °C / 0.1 °F |
|---|---|
| Spectral Response | 8 µm to 14 µm |
| Response Time (95 %) | <500 ms |
| Laser Class | Class II, <1 mW |
| Power | 2 AA batteries (alkaline or NiCD) or USB |
| Battery Life | 12 h with laser and backlight on; 100 h with laser and backlight off |
| Weight | 0.322 kg (0.71 lb) |
| Dimensions (H × L × W) | 17.69 cm × 16.36 cm × 5.18 cm |
All Fluke 56x documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the warranty period for the Fluke 56x thermometers?
The product is warranted for two years from the date of shipment, with parts, repairs, and services covered for 90 days.
How long does the battery last when the laser and backlight are on?
The battery provides about 12 hours of operation with the laser and backlight on.
Can I use binoculars or other optical tools with the Fluke 56x?
No, optical tools such as binoculars, telescopes, or microscopes must not be used because they can reflect the laser.
What type of batteries does the 56x use and how long do they last?
The thermometer uses two AA LR6 alkaline batteries, lasting about 12 hours with the laser and backlight on, or up to 100 hours with them off.
What is the battery life when the laser and illumination are on?
The battery lasts about 12 hours with the laser and illumination turned on.
How long is the warranty period for the 56x series?
Fluke provides a two‑year warranty from shipment and a 90‑day warranty for parts, repairs and service.