The UT33+ series is a handheld digital multimeter designed for entry‑level use with a rugged 2 m drop‑resistance and CAT II 600 V safety rating. The manual provides safety guidelines, accessory lists, electrical symbols, and detailed operating instructions for voltage, resistance, current, diode, capacitance, temperature and non‑contact voltage measurements.
It also includes technical specifications, battery replacement procedures, fuse replacement information, and maintenance recommendations. The document is written in Chinese and intended for users and service technicians in the Chinese market.
| Maximum input voltage | 600 Vrms |
|---|---|
| Dimensions | 134 mm × 77 mm × 47 mm |
| Weight | ≈ 206 g (including battery) |
When the battery is low the LCD shows a “2” symbol in the lower‑left corner.