The Alpha Moisture Systems SADPµ-D Portable Dewpoint Meter manual provides setup, operation, calibration, and maintenance instructions.
The SADPµ-D is a battery‑operated portable dewpoint meter designed for spot checks or continuous monitoring, displaying moisture content on a 3½‑digit LCD. It can be used with a variety of gases and is certified for hazardous areas (EEx ia IIC T5).
The manual covers general description, sample connections, power supply, operation steps, automatic calibration, sensor details, troubleshooting, and safety documentation, guiding users through proper use and maintenance of the instrument.
| Dewpoint range (SR model) | -110 to –20 °C |
|---|---|
| Dimensions (closed) | 202 mm W × 225 mm D × 276 mm H |
| Typical weight | 5 kg |
| Battery type and life | 6 C‑size dry cells, 5‑6 months |
| Sample pipe internal bore | ≈6 mm (1/4") |
| Sample flow rate | 5–15 L/min |
| Hazardous area certification | EEx ia IIC T5 |
The instrument uses six C‑size dry cells that typically last for five to six months in normal use.
The sample pipe must have an internal bore of approximately 6 mm (1/4").
Turn the instrument on, ensure no gas sample is connected, raise the head, wait about a minute, then adjust the AutoCal control until the display shows the maximum dewpoint for the sensor.