DG-1, DG-2, DG-3, DG-4 and VDS

 Humidity Generators
A range of humidity and dew-point generators offering ease of use, fast response for humidity sensor calibration and precise controlled-humidity generation for laboratory process.

Caractéristiques produits

  • Manual selection, push button or computer control
  • -100 to +20°C dew-point range capability
  • Precision flowmeter or mass flow controller operation
  • High stability and repeatability
DG-1, DG-2, DG-3, DG-4 and VDS

Spécifications techniques (DG2, DG3, DG4)

Model DG2 DG3 DG4
Mixing Stages 2 stage 1 stage 2 stage
Humidity Range -75 to +20°Cdp (-103 to +68°Fdp) -40 to +20°Cdp (-40 to +68°Fdp) -75 to +20°Cdp (-103 to +68°Fdp)
Gas Supply7 Nl/min (14.8 scfh) @ 0.68 barg (10 psig) and -75°Cdp (-103°Fdp)
Gas Output1 to 5 Nl/min (2.1 to 10.6 scfh) air @ 0.5 to 1 barg (7 to 14 psig)
FilterParticulate filter
Saturator Polycarbonate and porous polyethylene sinter
HeatingFinned heating elements, 500 watts, fan circulation
Power Supply220 to 240 V, 50Hz or 100 to 120 V; 60Hz
Storage Temperature+5 to +40°C (+41 to +104°F) (with saturators empty)
Operating Temperature +18 to +24°C (+64 to +75°F)
Enclosure Size19" sub-rack x 12U high x 400mm
(15.8") deep
19" sub-rack x 6U high x 340mm (13.4") deep
Enclosure Size20kg (44lbs)9kg (20lbs)25kg (55lbs)

Technical Specifications (VDS3)

Model VDS3
Dew-point range -100 to +20°Cdp (-148 to +68°Fdp)
(factory default preset values= –100, -90, -80, -70 -60, -50, -40, -30, -20, -10, 0, +10 and +20 °C (+68°F))
Output stability ±0.5°C
Required Gas Supply30 Nl/min (63.6 scfh) @ 4.8 barg (70 psig) pressure
<13.8 ppbV (–100°C / -148°F atmospheric dew point) moisture content
Gas Output10 Nl/min (21.2 scfh) @ 0.5 barg (7.3 psig)
Cable ConnectionUSB (type B) for PC Control RS485 (9 way D plug) for Setup
Water Reservoir Material: ABS
Capacity: 1 litre
Power Supply220 to 240 V AC or 100 to 120 V AC 50/60 Hz
Power Consumption500 Watt maximum
Power Connector3 pin IEC
Power Supply Fuse 3A (F) quick blow
Operating Temperature+10 to +40°C (+50 to 104°F)
ConstructionPainted diecast aluminum enclosure with smoked glass door.
Overall dimensions: 1020 x 555 x 600mm (40 x 22 x 24") (h x w x d)
Weight65kg (143lbs) maximum



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