This is a user manual for a digital multimeter, including usage methods, warranty information, etc.
This manual explains how to safely operate the Fluke 77 Series IV battery‑powered digital multimeter, which offers true‑RMS measurements, a 6000‑count display and a bar‑graph indicator. It covers safety warnings, power‑saving sleep mode, terminal usage, rotary‑switch positions, and basic measurement procedures for voltage, current, resistance, capacitance, continuity, diode testing, frequency and more.
The document also details the meter’s specifications such as voltage ranges, accuracy, input protection, battery life, dimensions, and warranty information, and provides troubleshooting tips and maintenance guidance. This manual is written in Chinese.
| Display resolution | 6000 counts |
|---|---|
| Voltage range (AC) | 0.1 V – 1000 V |
| Maximum input voltage | 1000 V |
| Surge protection | 8 kV peak |
| Battery life (alkaline) | ≈400 hours (typical) |
| Dimensions (H × W × L) | 4.3 cm × 9 cm × 18.5 cm |
| Weight | 420 g |
The meter comes with a minimum ten‑year warranty from the date of purchase, which can be extended up to the end of the product’s service life.
Press and hold the yellow button while turning the meter on to turn off the sleep mode.
The meter can measure up to 1000 V for both AC and DC inputs.
Press the HOLD key to enable AutoHold, which keeps the reading displayed until a new stable value is detected.