Michell Instruments VDS-3 Specifications
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 ±0.5ºC (±0.9ºF)
Required gas supply 30 Nl/min (63.6 scfh) @ 4.8 barg (70 psig)
pressure and <13.8 ppb (–100°C / -148°F
V
atmospheric dew point) moisture content
Gas output 10 Nl/min (21.2 scfh) @ 0.5 barg (7.3 psig)
Cable connection USB (type B) for PC Control
RS485 (9 way D plug) for Setup
Water reservoir Material= ABS
Capacity= 1 litre
Power supply 220 to 240 V AC or 100 to 120 V AC 50/60 Hz
Power consumption 500 Watt maximum
Power connector 3 pin IEC
Power supply fuse 3A (F) quick blow
Operating temperature +10 to +40°C (+50 to 104°F)
Construction Painted diecast aluminum enclosure with smoked
glass door. Overall dimensions =
1020 x 555 x 600mm (40 x 22 x 24")
h x w x d
Weight 65kg (143lbs) maximum
1020mm
VDS3
Dew-Point Generator
The VDS3 is a sophisticated computer controlled dewpoint generator that operates in the range of -100 to
+20°Cdp (-148 to +68°Fdp). Individual three stage mass
flow controllers select precise proportions of wet and
pre-mixed air. Humidity injection is achieved by a liquid
mass flow controller and controlled evaporation system.
The Vapor Delivery System (VDS) gives repeatable and
flexible control of the generated dew point and can be
programmed with up to 13 presets that can be activated
manually or as part of an automatic calibration program.
Highlights
• Operation range of -100 to +20°Cdp (-148 to +68°Fdp)
suiting the calibrated range of almost all dew-point
sensors
• Fully automated remote control
• Mass flow controlled mixing of wet and dry flows
ensures complete repeatability of set points
• Generated output responds quickly to a change of set
point
• System optimised for excellent output stability (±0.5°C
/ ±0.9°F)
Michell Instruments Ltd, Rotronic Instruments Corp. 135 Engineers Road, Suite 150, Hauppauge NY 11788
Tel: 631 427 3898, Email: us.info@michell.com
Please note: Michell Instruments adopts a continuous development program which sometimes necessitates
Issue No: VDS3_97336_V1.3_US_0718
© Michell Instruments 2018
, Web: www.michell.com/us
Humidity and Dew-Point Instruments
Air Source Dryer Generator Reference
Technical Specifications
Dimensions
Front View
555mm
Depth: 600mm
specification changes without notice. Please contact us for latest
version.
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