Cole-Parmer® Stuart™ Water Stills - WS-200A-4, WS-200AD-4 & WS-200A-8
The cabinet-style water stills are available in 3 models for single or double distillation of water. The high-quality borosilicate glassware, coupled with silica sheathed heaters, produces pyrogen-free distillate from virtually any raw water supply. The unique condenser ensures a ready-to-use cold distilled water supply. The design of the units ensures maximum energy efficiency, while the built-in “clean” function enables easy cleaning without the need for dismantling the glassware. The flow-sensor can detect reduction in the flow of cooling water and adjust the stills to run normally even with a low-pressure water supply, protect the units from overheating and damage. These water stills are simple and safe to assemble; both the acrylic safety screen and the cabinet lid can be removed for easy access to the glassware components.
Cole-Parmer® Stuart™ WS-200-4 Water Stills
The Water Still ensures top-purity distillate at an economical price for your lab. The all-glass construction with silica sheathed heaters and built-in
controls switch off device when the collection reservoir is full, allowing you to always maintains quality and prevent overflow even when the still is left unattended. Two independent safety thermostats prevent over heating in the event of a water supply interruption, while the screw-threads incorporated connections allow for hoses to be fitted and removed easily and safely without risk of breakage.
Technical Specifications
Specification |
WS-200A-4 |
WS-200AD-4 |
WS-200A-8 |
WS-200-4 |
Operated from the laboratory bench or wall mounted to save space. |
Ideal for larger laboratories; the glassware is enclosed in the cabinet and the unit |
Suitable for producing high purity double-distilled water. The first distillation |
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Output, l/hr |
4, single distilled |
8, single distilled |
4, double distilled |
4 litres/hr, single distilled |
pH |
5.0 – 6.5 |
5.0 – 6.5 |
5.0 – 6.5 |
5.0 – 6.5 |
Conductivity, μScm-1 |
1.0 – 2.0 |
1.0 – 2.0 |
1.0 – 1.5 |
1.0 – 2.0 |
Resistivity, mOhm-cm |
0.5 – 1.0 |
0.5 – 1.0 |
0.7 – 1.0 |
0.5 – 1.0 |
Temperature, C |
25 - 35 |
25 - 35 |
25 - 35 |
25 - 35 |
Pyrogen content* |
Pyrogen free |
Pyrogen free |
Pyrogen free |
Pyrogen free |
Water supply |
1 l/min 3-100psi (20-700kPa) |
2 l/min 3-100psin (20-700kPa) |
2 l/min 3-100psi (20-700kPa) |
1 l/min 3-100psi (20-700kPa) |
Electrical supply |
220 or 240V, 50-60Hz, single phase |
220 or 240V, 50-60Hz, single phase |
220 or 240V, 50-60Hz, single phase |
220 or 240V, 50-60Hz, single |
Max. power, kW |
3 |
6 |
6 |
3 |
Dimensions, mm (w x d x h) |
550 x 240 x 410 |
550 x 240 x 410 |
550 x 240 x 410 |
540 x 160 x 410 |
IP Rating |
21 |
21 |
21 |
31 |
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ManufacturerAntylia Scientific
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Country of OriginUnited Kingdom
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Output l/hr4, 8
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pH5.0 – 6.5
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Conductivity, μScm-11.0 – 2.0, 1.0 – 1.5, 3.0 – 4.0
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Water Supply1 l/min 3-100psi (20-700kPa), 2 l/min 3-100psin (20-700kPa)
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ModelWS-200A-4, WS-200A-4-220, WS-200AD-4, WS-200AD-4-220, WS-200A-8, WS-200A-8-220, WS-100-4, WS-100-4-120, WS-100-4-A, WS-100-4-220, WS-200-4, WS-200-4-220
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LegacyA4000, A4000/220, A4000D, A4000D/220, A8000, A8000/220, W4000, W4000/120V, W4000/A, W4000/EURO, D4000, D4000/EURO
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DistilledSingle, Double