The Tonghui TH1951 digital multimeter offers 12 measurement functions, high‑brightness VFD display, 0.01% DC voltage accuracy, and GPIB/RS‑232 interfaces.
The TH1951 is a 5‑½‑digit digital multimeter that provides fast, precise voltage, current and resistance measurements. It features a high‑brightness vacuum‑fluorescent display, true‑RMS AC measurement up to 100 kHz, and a range of mathematical functions such as mX+b, %, dB and dBm.
The instrument includes GPIB and RS‑232 communication ports, supports SCPI commands, and can store up to 512 readings plus 10 instrument states for easy recall. It is designed for a wide variety of test scenarios with robust input protection and optional accessories. This manual is written in Chinese.
| Maximum reading | 120,000 digits |
|---|---|
| Reading rate | 45 readings per second |
| DC voltage accuracy | 0.01% (+8 digits) |
| Resolution (DCV) | 1 µV |
| Display type | High‑brightness VFD |
| Communication interfaces | GPIB and RS‑232 (SCPI supported) |
| Reading storage capacity | 512 readings, 10 instrument states |
The multimeter includes GPIB and RS‑232 ports and supports SCPI command programming for computer control.
The DC voltage accuracy is 0.01% plus 8 digits of error.
It can store up to 512 readings and also keep 10 instrument state sets for later recall.