User manual for the ZH-158A digital multimeter covering safety, operation, measurement functions and maintenance.
The ZH-158A digital multimeter provides DC/AC voltage, current, resistance, capacitance, frequency, duty‑cycle, diode, continuity, NCV and temperature measurements. The manual details safety symbols, panel layout, and step‑by‑step operating procedures for each measurement mode.
Maintenance instructions include cleaning, battery replacement, and fuse replacement, along with safety precautions for high‑voltage work and proper probe handling. This manual is written in Chinese.
| Maximum voltage overload protection | 250 V |
|---|---|
| Capacitance measurement range | 0–10 mF |
| Frequency measurement range | 0–10 MHz |
The orange backlight lights up when measuring voltage above 80 V or current above 1 A to warn the user to be careful.