Model DS1200-PDT Low Cost Online Dewpoint Hygrometer0 pages

Model DS1200-PDT
4-20mA Dewpoint Hygrometer
Fixed range of -400C to +300C
The Model DS1200-PDT is a New Addition to the Alpha
Moisture Systems Dewpoint Hygrometer family.
Model DS1200-PDT has a two wire 4-20mA transmitter
designed for continuous measurement of moisture in a
process gas or compressed air.

Low Cost Solution - Simple to Install and
set up - Reliable - Accurate - Stable results.
The long lasting Polymer sensing element is ideally suited for monitoring the moisture
content of compressed air. See applications examples below.
The PDT transmitter can also be factory congured to give a 4-20mA linear signal for %RH.
It is Supplied with a Certicate of Calibration traceable to NPL (/NIST)

Measuring instrument
conforms with
EN 61326

FEATURES

• 2 Independent, fully programmable
alarm relays
• Cable Length >1km to transmitter
• Ideally suited for higher dewpoints

• Very user friendly with advanced
functionality
• DISPLAY in °C Dewpoint, %RH or g/m3
• 22V – 253V AC or DC Operation

• Accuracy better than ±2°C (±3.6°F) Td

Application Examples
• Fluid bed dryers
• Refrigerant dryers
• Desiccant wheel dryers
• Rotary wheel dryers
• Turbine air intakes
• Wind tunnels
• HVAC applications
• Cool stores
• Air braking systems

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Condensation alarms
Controlled atmosphere environments
Precision engineering applications
Heat treatment gases
Environmental chambers
Product drying
Ambient air monitoring
Gas turbine frost protection systems
Switchgear monitoring
and many more...

The Model PDT transmitter has been designed to cope with extreme environmental conditions.
The rugged stainless steel construction oers protection to IP65 (NEMA4), with transmitter electrical
connections made via secure industrial connector.

© Alpha Moisture Systems Ltd.

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