The gas pressure gauge SS10/SS20-SD10/SD20 is a handheld pressure gauge with single input and dual input. It can measure -40.0 to +120.0 mbar of gas pressure. The product has automatic range, automatic shutdown, stabilization mode, zeroing function, maximum and minimum recording, hold function, unit conversion and other features.
This manual introduces the Senmei SS10, SS20, SD10 and SD20 handheld gas pressure gauges, describing their functions, safety precautions and technical specifications. It explains the four models, their input types (single or differential) and the selectable measurement units.
The guide provides operating steps, battery replacement instructions, maintenance tips, fault analysis, and warranty information. It also lists optional accessories and includes a pressure conversion table for reference. This manual is written in Chinese.
| Measurement range | -40.0 nbar to +120.0 nbar |
|---|---|
| Accuracy | ±0.5 % of reading + 5 digits |
| Operating temperature | -10 °C to +40 °C |
| Storage temperature | -10 °C to +50 °C |
| Auto shut‑off | After 40 minutes |
Press the “ZERO” button until the display reads 0.00.
Press the “UNT” button to cycle through the seven available units.
Replace the battery as described in the battery‑replacement procedure; if the problem persists, send the instrument to service.