Key facts
- Brand
- UNI-T
- Model
- UT804
- Documents
- 2
- Languages
- ZH
- Last added
- 2012-02-16
Start here

UNI-T UT804 Digital Multimeter User Manual
This manual introduces the UNI‑T UT804 digital multimeter, covering safety work rules, international electrical symbols, comprehensive specifications and the physical layout of the instrument. It also details the functions of the knobs, buttons, LCD display and measurement modes such as voltage, current, resistance, capacitance, frequency, duty‑cycle and temperature.
Additional sections describe the RS232C and USB interfaces, battery and fuse replacement, and maintenance guidelines. The document is organized with a table of contents, clear diagrams, and step‑by‑step procedures for safe and accurate measurements. This manual is written in Chinese.
UNI-T UT804 specifications
| Display Digits | 40000 count (4 3/4 digits) |
|---|---|
| Operating Temperature | 0 °C ~ 40 °C |
| Storage Temperature | -10 °C ~ 50 °C |
| Dimensions | 105 × 240 × 310 mm |
| Weight | ≈3 kg |
| Power Supply | AC 220 V ± 10 %/50 Hz or 2×AA batteries (R14) |
| Safety Standards | IEC 61010, CAT I 1000 V, CAT II 600 V; UL |
All UNI-T UT804 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What should be done when the LCD shows a low‑battery warning?
Replace the internal AA batteries immediately to maintain measurement accuracy.
What safety standards does the UT804 comply with?
It complies with IEC 61010, CAT I 1000 V, CAT II 600 V, and UL safety standards.
