Edgetech Instruments PPM1 Trace Moisture Analyzer (1250 ~ 0.1 ppmv)

Sensor Type: Electrolytic phosphorous pentoxide (P₂O₅) on ceramic wafer

Measuring Range

Trace Moisture: 1250 to 0.1 ppmv

Dew/Frost Point: -20°C to -95°C

Accuracy & Response

Accuracy: ±5% of ppmv reading

Response Time: 90% of step change in one minute (typical)

Hysteresis: None

General Features

Display: 2-line LCD, backlit

Operating Temperature: 32°F to 122°F (0°C to 50°C)

Sample Connection: 1/4” compression fitting (standard model for positive pressure)

Sample Flow Rate: 0.5 to 5 SCFH, regulated

Sample Pressure: 0 to 200 psig, regulated

Sensor Housing: 316 stainless steel, flow-through head, 1/4” compression fittings (VCR optional)

Sampling Options: Configurable for diffusion sampling (glove box or isolation chamber)

Power & Outputs

Power: 18 to 30 VDC, unregulated, 1 A max

Outputs:

Analog: Two 4-20 mA, scalable by user

Alarm: Two dry alarm relays, FORM A, adjustable by user

Digital: RS-232 serial, bi-directional

Weights & Dimensions

Weight: 4 lb (1.81 kg)

Environmental Protection: Plastic IP66/67, NEMA 4 case

Dimensions (L × W × D): 5.1” × 3” × 5.1” (13 cm × 7.6 cm × 13 cm)

Datasheet

Applications

Air Separators

Food Storage and Packaging

Medical Gas

Medical Packaging

Pharmaceuticals

Semiconductor