This manual describes the features and characteristics of the Fluke 561 infrared thermometer, including the thermometer's operating principle, operating methods, and maintenance methods.
This manual introduces the Fluke 561 infrared thermometer, describing its design for HVAC applications, safety precautions, and how to use both infrared and contact temperature measurement modes. It also covers laser aiming, emissivity settings, and switching between Celsius and Fahrenheit.
Detailed sections explain battery replacement, cleaning procedures, fault diagnosis, CE certification, and full technical specifications such as measurement range, accuracy, and environmental limits. This manual is written in Chinese.
| Temperature measurement range | -40 °C to 550 °C (‑40 °F to 1022 °F) |
|---|---|
| Spectral range | 8 µm to 14 µm |
| Accuracy | ±1 % or ±1 °C (±2 °F) |
| Repeatability | ±0.5 % or ±1 °C (±2 °F) |
| Display resolution | 0.1 °C (0.1 °F) |
| Emissivity settings | Low 0.3, Medium 0.7, High 0.95 |
| Power source | 2 AA batteries (alkaline or NiCD) |
| Battery life | At least 12 hours |
| Weight | 0.322 kg (0.7099 lb) |
| Dimensions | 17.69 cm × 16.36 cm × 5.18 cm |
| Operating temperature range | 0 °C to 50 °C (32 °F to 120 °F) |
It measures from –40 °C to 550 °C (–40 °F to 1022 °F).
Press the °C/°F button on the instrument.
It uses two AA batteries (alkaline or NiCD) and provides at least 12 hours of operation.
The device offers three emissivity settings: Low 0.3, Medium 0.7, and High 0.95.