This manual covers safety information, general and electrical specifications, and detailed operating procedures for the Fluke 312, 316, and 318 clamp meters. It includes guidance on measuring AC/DC current, voltage, resistance, continuity, diode testing, and advanced functions such as peak, MIN MAX, and REL (S).
The document also describes battery replacement, cleaning, and maintenance requirements, as well as warranty and service information for qualified technicians. This manual is written in Chinese.
| Digital display resolution | 3‑3/4 digits, max 3999 |
|---|---|
| Analog display | Fast 42‑segment bar graph |
| Sample rate | 2 samples/s (digital), 20 samples/s (analog) |
| Battery type | 9 V (NEDA1604, 6F22 or 006P) |
| Auto power‑off | 30 min of inactivity (±2 min) |
| Clamp opening size | 312: 36 mm, 316/318: 40 mm |
| Dimensions (L×W×H) | 254 × 66 × 37 mm |
| Weight (with battery) | 422 g (14.9 oz) |
| AC current accuracy | ±1.9 % ± 5 % (40 A range) |
| DC current accuracy | ±2.5 % ± 5 % (40 A range) |
| Input impedance | 10 MΩ |
| Overload protection | 600 V RMS (CAT III), 1000 V RMS (CAT II) |
It uses a 9 V battery, compatible with NEDA1604, 6F22, or 006P types.
Press the M button once for MAX mode, again for MIN mode, and a third press to display the current reading while tracking MIN and MAX values.
The 312 model has a clamp opening of 36 mm (1.42 inches).
It complies with CAT III 600 V and CAT II 1000 V safety categories per EN61010.