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| Brand | Alpha Moisture |
|---|---|
| Origin | UK |
| Model | SADPu-D |
| Type | Portable Dew Point Meter |
| Measurement Principle | Aluminum Oxide Capacitive Sensor |
| Operating Temperature | -20 to +50 °C |
| Accuracy | ±2 °C DP |
| Repeatability | ±0.5 °C DP |
| Dew Point Range | Standard –80 to 0 °C DP (0–6000 ppmv, plus extended low-range 0–10 ppmv option) |
| Response Time | <20 s to 90% of final reading |
| Power Supply | 6 × C-cell alkaline batteries (≥150 h continuous operation |
| Weight | 5.5 kg net / 7 kg gross |
| Dimensions | 224 × 202 × 275 mm |
| Ingress Protection | IP65 |
| Explosion Protection | EEx ia IIC T5 |
| Storage Temperature | –50 to +70 °C |
| Humidity Range | 0–98% RH (non-condensing) |
| Display | LCD, dual units (°C DP and ppmv) |
| Brand | Alpha Moisture |
|---|---|
| Origin | United Kingdom |
| Model | SADPmini |
| Type | Portable Dew Point Meter |
| Measurement Principle | Aluminum Oxide Capacitive Sensor |
| Operating Temperature | 10–60 °C |
| Accuracy | ±2 °C |
| Repeatability | 0.2 °C |
| Resolution | 0.1 °C or 0.1 ppm(v) |
| Dew Point Range Options | –110 to –20 °C (SR), –100 to 0 °C (PL), –80 to –20 °C (RD), –80 to 0 °C (GY), –80 to +20 °C (BL) |
| Sampling Temperature | –10 to +60 °C |
| Maximum Operating Pressure | < 0.3 kgf/cm² (≈ 30 kPa gauge) |
| Ingress Protection | IP54 / NEMA 12 |
| Power Supply | Rechargeable Battery (250 h continuous operation) |
| Data Storage | 16,000 records |
| Display | 128 × 64 pixel LCD |
| Calibration | Factory-traceable to UKAS/NIST standards |
| Output Options | USB, RS-485, optional 4–20 mA analog output |
| Gas Compatibility | Air, N₂, CO₂, SF₆, H₂, Ar, and other gases with known molecular weight |
| Brand | Alpha Moisture |
|---|---|
| Origin | United Kingdom |
| Model | DS-1000 |
| Product Type | Online Dew Point Meter |
| Measurement Principle | Capacitive Aluminum Oxide Sensor |
| Operating Temperature | 10 to +50 °C |
| Accuracy | ±0.1 °C / ±0.1 °F / ±0.1 ppm(v) |
| Repeatability | ±0.1 °C / ±0.1 °F / ±0.1 ppm(v) |
| Dew Point Range (PL Sensor) | −110 to +20 °C (0–23,000 ppm(v)) |
| Dew Point Range (BL Sensor) | −80 to +20 °C (0–23,000 ppm(v)) |
| Resolution | 0.1 °C / 0.1 °F / 0.1 ppm(v) |
| Display | 4-digit LED |
| Analog Output | 4–20 mA |
| Sample Temperature Range | −10 to +50 °C |
| Maximum Operating Pressure | 50 bar |
| Calibration Accuracy | ±2 °C dew point (NPL-traceable certificate supplied) |
| Calibration Method | Linear two-point field calibration supported by manufacturer or authorized distributor |
| Power Supply | 90–250 VAC, 50/60 Hz |
| Alarm Configuration | Two user-configurable dew point setpoints with front-panel adjustment |
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