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The Hygrovision BL is a revolutionary advance in high-precision condensation mirror hygrometry. This uniquely capable portable unit offers both automatic and manual measurement of the water dew point and hydrocarbon condensation temperature in natural gas and other gaseous media.


	 This Instrument provides first-principle, direct measurement of the water dew point and hydrocarbon condensation temperatures, respectively.


	 The Hygrovision BL is equipped with an advanced visualisation system, used when taking measurements manually, and is also equipped with Vympel's advanced laser-based technology for operation in the automatic mode.

Manual / Automatic Condensation Hygrometer

Hygrovision BL

The Hygrovision mini and Hygrovision mini / SL dew point analyzers are fully portable battery-powered chilled-mirror hygrometers. These units are designed for the manual measurement of the water dew point and the hydrocarbon condensation temperature in natural gas and other gaseous media.


	 Equipped with an innovative visualization system that consists of a 40 power microscope and Vympel’s patented dual-lighting system, the Hygrovision mini and mini SL make it possible for virtually anyone to see the first onset of condensation, and to easily distinguish between water and hydrocarbon condensates.

Semi-automated manual chilled-mirror hygrometer

Hygrovision Mini (SL)

The CONG Prima-2M is a state-of-the-art automatic continuous-flow chilled-mirror hygrometer. This instrument provides reliable, accurate and repeatable dew point and hydrocarbon condensation measurements. In addition, the design of the CONG Prima-2M makes it suitable for a wide range of applications.


	 Featuring Vympel’s advanced laser-based analysis technology, the CONG Prima-2M can measure both the water dew point, the hydrocarbon condensation temperature or both values alternately using a single measurement cell.


Like all Vympel Onlie dew point analyzers, the CONG Prima can be mounted directly on the pipeline. This type of installation can include additional filtration and for certain applications can be configured for zero-loss/zero-emission oßeration.

CONG Prima-2M

The CONG Prima-10 automatic online analyzer is a high-precision chilled-mirror hygrometer, designed to be equally at home in the lab and in the field. This two-component state-of-the-art instrument is suitable for a wide range of applications.


	 Featuring Vympel’s advanced laser-based analysis technology the CONG Prima-10 can measure both the water dew point, the hydrocarbon condensation temperature and both values alternately, with unparalleled accuracy and repeatability using a single measurement cell.

CONG Prima-10

The FAS series of automatic online hygrometers provide a first-principle direct measurement of the water dew point (FAS-W) or hydrocarbon condensation temperature (FAS-HC) in natural gas and other gaseous media.


	 Equipped with Vympel’s next-generation laser-based technology, FAS analyzers have a measurement range up to 80 °C below the analyzer’s housing temperature and are the most compact and economical automatic chilled-mirror hygrometers available for explosive atmosphere applications.

Vympel’s Modular Analysis System is an expandable solution that provides for optimized measurement of both the water dew point and hydrocarbon condensation temperature. Outfitted with Vympel's CONG Prima 2M or FAS analyzers, the Modular Analysis System provides first-principle measurements for a range of applications.


	 The core of this solution comprises two gas preparation system modules, one each for measuring the water dew point and the hydrocarbon condensation temperature. For exceptionally low water dew point values, the Modular Analysis System can include a supplemental cooling module. If so required, this system can also include a module for measuring the oxygen content of the sample gas.

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Analyzers produced by Vympel