Super Dew Hygrometer LCD display - SD

The SDG has a practical dew point range of - 80 degrees c. dew point which is from less than one part per million of water vapour, up to the moisture level in room air.

There is much more to the Super-Dew than first meets the eye. It can be connected by ordinary t/v cable, to a Shaw moisture sensor, from a remote site up to half a mile distant. Simple, compact and reliable, it is used world wide, for spot checks or continuous moisture indication in still or flowing air or gas. Two alarm or control settings are easily set by the user and provide instant alarms on the large LCD illuminated back lit dial and on the green and red signal lamps. As the reading is specific to water vapour, calibration is accurate for different gases. Flow rate has no effect on the accurate measurement.

Shaw modified molecular sieve moisture sensors connected to meter have 100 times the dry capacitance of other moisture sensors and an accuracy of better than one part per million moisture in very dry air or gas. They are gold plated with gold filters, 20 years life, and a two years guarantee.

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Automatic Dewpoint Meter Portable SADP

Easily portable, ready for spot checks or continuous use, this battery powered hygrometer indicates both dew point temperatures and water vapour to less than one part per million, on the large meter dial. As the reading is specific to water vapour, calibration is accurate for different gases. Accuracy is guaranteed to better than one part in a million of moisture in very dry air or gas.

The self extending head allows up to 20 litres a minute flow for clearing the air supply pipe work without wetting the test chamber. Note the absence of knobs, calibrating, cooling, and servicing as required by some other methods, and the automatic dry down measuring head which ensures quick response from the sensor.

The heart of the meter is a Shaw molecular sieve moisture sensor with a gold internal filter and gold plated exterior, a jewel of a sensor in fact with a rapid one second response time from dry to wet.(99%) Flow rate has no effect on the accurate measurement. So simple to use, blocking the outlet with a finger for a moment raises the measurement head.

Easy calibration check in seconds by Shaw Automatic Calibration.

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Two wire moisture sensor direct to factory control- SDT

The Shaw Moisture Meters Model SDT is a compact, 2 wire, 4-20 mA dewpoint transmitter designed to meet the demands of tough industrial applications. The unit is fully self contained within a robust 316 grade stainless steel casing providing weatherproof protection to IP66 / NEMA4.

Utilising the industry standard, Ultra High Capacitance Shaw Moisture Sensor, various dewpoint ranges are available covering an overall range from -120C to +20C Dewpoint. The 4-20 mA output is configurable in C Dewpoint, F Dewpoint, ppm(v), g/m3 and lbs/MMSCF.

Weighing in at only 175g, the Model SDT is light enough to be supported by its connection direct into the pipeline or can be placed in a dedicated sample cell.

Incorporating advanced electronics, the Model SDT can derive its power from 7-28V dc non-isolated power source and is configured to output a linear, isolated, 4-20 mA signal for distances up to 1000 meters.

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Dew Point Meter - Match box size pocket portable DA

Designed by Honorary Professor Leonard Shaw, this miniature match box size meter is simple, reliable and accurate, with a clear display of the dew point of moisture from parts per billion to room air. It contains a five year life lithium cell for instant accurate readings in regular use, or during mains power failures.

It can be used either from a vest pocket, or connected by ordinary t/v cable, up to a half mile distant from its moisture sensor, for continuous use or for spot checks. With instant user checking by Shaw Automatic calibration, the guaranteed accuracy of better than one part per million moisture, in very dry air, is simply unique, as the sensor has a large micro farad capacitance, unlike contemporary sensors which have a small capacitance and need electronic amplifiers and special connecting cables.

The sensor, which is gold plated, has a pure gold internal filter and can be easily detached from the meter. In still or flowing air or gas no corrections are needed for the flow rates or for a different gas, as the sensor is specific to water vapour.

With the wide range of minus 80 to 0 C. dew point, the performance of this new pocket hygrometer is far ahead of contemporary hygrometer technology.

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Dew Point Meter - For Wall or Panel SDA

The SU4 will reduce the pressure from the dryer to give a flow suitable for measurement. It combines a pressure reduction control, sensor holder and a flow meter for up to 10 litres per minute. (1-2 litre is usual for continuous use).

Moisture measurement under pressure will not give the correct answer but room pressure used in the SU4 will read correctly.

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Super Dew de Luxe fitted with one internal sensor - SDDL

 

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