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Michell Instruments
Michell Instruments DG Series Dew-Point Generators (DG2/DG3/DG4)
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المعاملات الرئيسية
Series Models
DG2, DG3, DG4 (and VDS3 companion)
Dg3 Humidity Range
−40 to +20°Cdp (−40 to +68°Fdp); 1-stage mixing
Dg2 Dg4 Humidity Range
−75 to +20°Cdp (−103 to +68°Fdp); 2-stage mixing
Gas Output
1 to 5 Nl/min (2.1 to 10.6 scfh) @ 0.5–1 barg
Gas Supply Dg3
6 Nl/min air @ 0.75 barg and −75°Cdp (typical)
Gas Supply Requirement
Oil-free dry gas <50 ppmV (<−48°C atmospheric dew point); max ~10 barg
| المعامل | القيمة |
|---|---|
| Series Models | DG2, DG3, DG4 (and VDS3 companion) |
| Dg3 Humidity Range | −40 to +20°Cdp (−40 to +68°Fdp); 1-stage mixing |
| Dg2 Dg4 Humidity Range | −75 to +20°Cdp (−103 to +68°Fdp); 2-stage mixing |
| Gas Output | 1 to 5 Nl/min (2.1 to 10.6 scfh) @ 0.5–1 barg |
| Gas Supply Dg3 | 6 Nl/min air @ 0.75 barg and −75°Cdp (typical) |
| Gas Supply Requirement | Oil-free dry gas <50 ppmV (<−48°C atmospheric dew point); max ~10 barg |
| Heating | Finned heating elements 300–500 W with fan circulation (model-dependent) |
| Power Supply | 220–240 V 50 Hz or 100–120 V 60 Hz |
| Operating Temperature | +18 to +24°C |
| Storage Temperature | +5 to +40°C (saturators empty) |
| Dg3 Enclosure Weight | 19 in sub-rack × 6U × 340 mm deep; 9 kg (20 lb) |
| Dg2 Enclosure Weight | 19 in sub-rack × 12U × 400 mm deep; 20 kg (44 lb) |
| Connections | Swagelok 6 mm stainless bulkhead GAS IN / GAS OUT (DG3) |
| Control | Manual flow mixing (DG2/DG3); push-button presets + RS232 (DG4) |