This Fluke product leaflet provides specifications, measurement functions, and typical applications for models 931, 941, 925, 50 II, 561, 923, 922, and 971.
The leaflet covers a range of Fluke handheld instruments, including tachometers, lux meters, anemometers, contact and infrared thermometers, hot‑wire anemometers, airflow meters and temperature‑humidity meters. For each model it lists measurement ranges, accuracy, battery life, dimensions, weight and key operating features such as auto‑hold, min/max/average recording and wireless data transfer.
Typical applications are described for each device, e.g., motor and bearing diagnostics with the 931 tachometer, lighting assessments with the 941 lux meter, HVAC airflow balancing with the 922 airflow meter, and indoor comfort monitoring with the 971 temperature‑humidity meter. Accessories, ordering information and warranty periods are also included. This manual is written in Chinese.
| Fluke 931 speed range (contact) | 1 – 19,999 RPM |
|---|---|
| Fluke 931 dimensions | 175 × 60 × 28 mm |
| Fluke 931 weight (incl. battery) | 250 g |
| Fluke 922 airflow range | 0 – 99,999 cfm (0 – 99,999 m³/h) |
| Fluke 971 temperature range | -20 °C to 60 °C |
| Fluke 971 relative humidity range | 5 % – 95 % RH |
It uses a 9 V battery that provides about 200 hours of operation.