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EdgeTech 200M Meteorological Humidity System

EdgeTech 200M Meteorological Humidity System
EdgeTech 200M Meteorological Humidity System
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Rp.265,820,0000
Ex Tax: Rp.265,820,0000
  • Brand: Edgetech Instruments
  • Part Number: 200M-DS2
  • Availability: 6 - 8 WEEKS
  • Last Updated: 30 Sep 2023
Edgetech Instruments Edgetech Instruments
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The Edgetech Instruments Model 200M is a complete instrument for the measurement of atmospheric dew/frost point, ambient temperature, percent relative humidity, or other psychometric variables. It employs the very reliable chilled mirror sensing technique which provides a primary measurement of dew/frost point temperature. Its accuracy certification is traceable to NIST.

The Model 200M is ideally suited for installations requiring continuous, automatic, and unattended measurement of humidity over a very wide range. It is typically used in applications requiring precise environmental monitoring of atmospheric conditions.

Its Automatic Balance Control (ABC) cycle corrects the light reducing effects of mirror contaminants and allows for continuous monitoring and virtually maintenance-free operation. This is the first chilled mirror technology to truly reduce the need for mirror cleaning by the incorporation of self diagnostics, which indicate to the user, locally via an LED light source and remotely via a logic level TTL signal, when and if maintenance is required.

The Model 200M consists of a motor-aspirated, thermally shielded enclosure for the dew/frost point and ambient temperature sensors, an environmentally suited microprocessor based electronic control unit with psychometric parameter computing circuitry and 25 feet of interconnecting cable. The 200M measures dew/frost point in degrees C or degrees F.

Dew/frost point temperature measurement is made using a direct measuring sensor utilizing a two stage Peltier cooled chromium plated mirror, automatically held at the dew/frost point temperature by a photosensing, condensate detecting, optical system incorporating an LED light source and photodetector. As condensate forms on the mirror, the optical sensing bridge detects the change in light level that occurs when dew or frost forms and develops a proportional control signal that modulates the thermoelectric cooler current. This control scheme permits the mirror to continuously track the dew/frost point. It is a primary method of determining the dew/frost point and hence the water vapor content of the gas. The mirror temperature represents the true dew/frost point temperature and is measured by an embedded precision platinum resistance thermometer. Below 0°C, the system tracks the frost point.

All Edgetech Instruments dew/frost point hygrometers are manufactured and supported in the USA in a modern, ISO 9001:2008 registered facility with ISO/IEC 17025:2005 accredited calibration laboratory. The 200M is delivered with a NIST traceability certificate.


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