` DG2/DG3/DG4 Dew-Point Generators

Michell Instruments

DG2/DG3/DG4 Dew-Point Generators

Volumetric mixing of dry & wet gases, controlled manually or automatically to for a wide range of calibration applications

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The Michell range of dew-point generators provides flexibility and control at a competitive price. Based on the volumetric mixing of dry and wet gases, the instruments can be controlled either manually or automatically to suit a wide range of calibration applications.

For a complete dew-point calibration system with optional compressor, dryer, dew-point generator and cooled mirror reference instrument refer to DCS System60 , DCS System80  or DCS System100 pages.

DG3

The DG3 is our entry-level, single-stage mixing humidity generator. It is operated by manually mixing the two gas streams using flow control valves. The DG3 provides flows up to 5 Nl/min (10.6 scfh) and generates dew points ranging from -40 to +20°Cdp (-40 to +68°Fdp).

DG2

The DG2 has two stages of gas-flow mixing which allow it to generate dew points down to -75°Cdp (-103°Fdp). The great strengths of the DG2 are its ease of use and its flexibility in manually generating an accurate target dew point by fine tuning the gas mix via its flow metering valves. Infinite mixing is achievable within its working range. 

DG4

The DG4 is a two-stage push-button dew-point generator which operates in the range of -75 to +20°Cdp (-103 to +68°Fdp). It can be delivered with between 3 and 10 factory-set dew point settings, selectable from the front panel keypad. Its RS232 communication port enables further automation, particularly when used in conjunction with a UKAS certified hygrometer. The DG4 offers maximum flexibility via its pre-set values combined with the mixing ability of the DG3. 

 

• Manual selection, push button or computer control of generated dew point
• -100 to +20°C dew-point range capability, depending on model
• Precision flowmeter or mass flow controller operation
• High stability and repeatability
• Fast response to changes in set-point



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