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Compressed Gas Dew Point Meter - Easidew PDP
Key features Air-quality compliance to ISO 8573-1 Class 1–4 Pressure dew-point monitoring to 20 barg Multi-parameter datalogging/downloading Touchscreen user-friendly interface Dew-point and pressure dryer outlet graphing Rugged construction for tough field conditions Designed for high electrical noise environments Integrated self-contained travel case Easy to maintain Battery life of two working days
Specifications
| Product Models | EA-PDP-B1, EA-PDP-B2 |
| Measurement Technology (EA-PDP-B1) | Michell ceramic metal-oxide moisture sensor |
| Measurement Technology (EA-PDP-B2) | Michell advanced thick-film fast-response dew-point sensor |
| Dew-Point Sensor Model (EA-PDP-B1) | Easidew EA2-TX-M12 |
| Dew-Point Sensor Model (EA-PDP-B2) | SF82-TX-M12 |
| ISO 8573-1 Moisture Air Quality Class Compliant (EA-PDP-B1) | Class 1 to Class 4 |
| ISO 8573-1 Moisture Air Quality Class Compliant (EA-PDP-B2) | Class 2 to Class 4 |
| Moisture Measurement Range (EA-PDP-B1) | -100...+20 °C (-148...+68 °F) dew point |
| Moisture Measurement Range (EA-PDP-B2) | -60...+60 °C (-76...+140 °F) dew point |
| Accuracy | ±2 °C (±3.6 °F) dew point (over compensated temperature range) |
| Moisture Response Time (EA-PDP-B1) | 5 mins to T95 (dry to wet) -70...+10 °C (-94...+50 °F) dew point |
| Moisture Response Time (EA-PDP-B2) | 3 mins to T95 (dry to wet) -40...+10 °C (-40...+50 °F) dew point |
| Moisture Repeatability | 0.5 °C (0.9 °F) dew point |
| Moisture Calibration (EA-PDP-B1) | Traceable 13-point calibration certificate |
| Moisture Calibration (EA-PDP-B2) | Traceable 9-point calibration certificate (calibrated in 10 °C / 18 °F DP steps, -60...+20 °C / -76...+68 °F DP) |
| Moisture Scales | Dew point and ppmV |
| Process Pressure Measurement | Internal pressure sensor |
| Pressure Range | Up to 20 barg (290 psig) |
| Data Logging Parameters | Dew point, pressure, temperature, time, date |
| Integral Battery Type | Rechargeable lithium-ion |
| Integral Battery Charge Connection | USB-C |
| Battery Charge Cable | 1.5 meter USB-C to USB-C |
| Battery Charger (optional) | Commercial 3A fast charge with 4 global universal power connection adaptors and USB-C 1.5 meter cable |
| Battery Operating Life | Up to 2 working days when used in power save mode |
| Safety Standard | EN 61010-1:2010+A1:2019 |
| Operating Temperature Range | -20 °C...+50 °C (-4...122 °F) |
| Storage Temperature Range | -40...+50 °C (-40...122 °F) |
| Compensated Moisture Sensor Temperature Range | -20 °C...+50 °C (-4...122 °F) |
| Moisture Sensor Flow Rate | Recommended: 1...5 Nl/min | Maximum: 15 Nl/min |
| Ingress Protection | IP65 Carry Case closed | IP54 Carry Case open |
| Carry Case | Lifetime warranty, injection moulded polypropylene with internal storage for sample tube, filters, USB charging cable, display stylus |
| Carry Case Dimensions (Closed) | 275 mm x 125 mm x 250 mm (10.8" x 4.9" x 9.8") |
| Weight | 3.6 kg (7.9 lb) |
| Integral Sample Block | Stainless-steel, fully self-contained sample system with pressure sensor, fixed orifice ports for flow control and built-in filtration using a standard drop-in cartridge |
| Gas Wetted Materials | 304 stainless sample block, 316 stainless tube |
| Inlet Filtration on Sample Block | Removes 99.5% of particles ≥0.1 μm supplied with cartridge installed. 10 x spare cartridges provided. |
| Inlet Filter / Moisture Sensor Protection (EA-PDP-B1) | HDPE <10 µm |
| Inlet Filter / Moisture Sensor Protection (EA-PDP-B2) | HMWPE <10 µm |
| Inlet/Outlet Gas Connections | 1/8" BSPT to 6 mm Legris push-fit pneumatic fittings and 2 m PTFE 6 mm tube. Optional: 1/8" BSPT to 6 mm Swagelok fitting, 1/8" BSPT to 1/4" Swagelok fitting |
| Outlet Pigtail Pipe Assembly (optional) | Coiled stainless tube for pressure safety and Class 1 -70 °C (-94 °F) dew-point moisture ingress protection |
| Service Panel | Access to dew-point sensor, SD Card, sample block filter, lithium-ion battery |
| Display Type | LCD 3.5" touchscreen graphics; 640 x 480 pixel with screen stylus |
| Data Transfer Connection | USB-C to Laptop or PC |
| Data Transfer File Type | TXT data file |
| Integral SD Card Memory | 2 GB |
| Graphing Function | Plots dew-point and pressure response over time |
| Manufacturer Quality Standard | ISO 9001:2015 |
| Environmental Standard | ISO 14001:2015 |
| Calibration Traceability | Traceable to NPL and NIST; ISO/IEC 17025 UKAS accredited calibration available on request |
Datasheet
Download datasheet (PDF)Description
Moisture spot checking at the pressurized outlet of a gas dryer is crucial for ensuring the quality of compressed gas. The Easidew PDP Dryer Portable hygrometer monitors and logs key parameters like dew point, pressure and temperature in real time. It is compliant
with ISO 8573-1.
- Refrigeration and Desiccant Dryers
- Nitrogen Gas Generators
- Oxygen Gas Generators
- Railway Pneumatics
- Hydrogen Gas Generators
- Medical Gas Quality
- Inert Gas Blanketing
- Plastic Moulding Dryers
- Additive Manufacturing
- Benchtop Gas Generators
Need this instrument calibrated?
Unitest Instruments operates Singapore's SAC-SINGLAS accredited calibration laboratory (ISO/IEC 17025, Lab No. LA-2023-0845-C). We provide traceable calibration with full documentation for most test & measurement instruments.
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