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가격: 쎈서 포함 됨
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The World's Most Powerful, Versatile Hygrometer.
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,
Please state either 240 v or 110 v. with order.
4/20 m/a output. D.C. 24 v. input also available.
Included is a table stand and panel mounting springs.
Only Shaw has a two years, no quibble, meter and sensor guarantee.
- Fast, one second for 99% response, dry to wet.
- Indication of ANY moisture .
- User 5 second calibration check.
- Economic Price
- Wet Alarm & Dry Alarm.
- Sensor included.
- 20 years sensor life.
- Large clear digital display with back light.
- Two years guarantee on meter and sensor.
- Class 1 Quality control ISO 9002.
- 4-20 m.a. output.
- Supplied complete with free table stand for one or more as required.
- Use as a monitor, indicator, alarm, or controller
The SHAW sensor is a modified molecular sieve absorber with an outer conductor of 24 carat gold. Only the Shaw Hygrometer with Automatic Calibration Sensor allows user checking after purchase without extra equipment.
 THE NOVEL FEATURES ARE
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A linear response to water vapour pressure.
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Self checking anytime by user.
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A designed saturation level.
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Has 20 years or more operating life.
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Excellent long term stability.
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Automatic zero setting.
| Model and Measuring Range |
| Silver Spot |
-100/-20 °C dew point |
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| Grey Spot |
-80/0 °C dew point - For MLPR - P100 - SADPG - SDG |
SDG |
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Very quick response time, accurate, stable |
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| Purple Spot |
-100/0°C dew point 0/6000 p.p.m. |
SDP |
| Red Spot DP |
-80/-20 °C dew point |
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| Red Spot Auto |
-80/-20 °C dew point |
SDR |
| Yellow Spot |
-60/0 °C dew point, 10/6000 p.p.m. |
SDY |
| Green Spot |
-40/+40°C dew point |
M100 |
| Gold Spot |
-50/+20 |
SADGO |
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Leonard Shaw invented dry air hygrometers 50 years ago.
The sensors which measure water vapour pressure, (w.v.p.) were designed to saturate at a maximum wet reading of minus 20 degrees C. dew point, to provide a check for accuracy.
Any variation in room temperature alters the w.v.p. but this is avoided by the low sensor saturation level. This is well known world wide as, Shaw 'Automatic Calibration".
The world’s largest hygrometer sales followed as a result of this lead in experience and skill. Many thousands of Shaw Automatic Dewpoint Meters are now in use.
Users should note that the "Certificate of Instrinsic Safety" is not valid when any sensor other than a Shaw is fitted.
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