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CG16K CAPSULE DIAL GAUGES
Features and benefits
• Reading independent of gas type
• Accurate to ±2% of full scale
• Barometrically independent
• Pipeline or panel mounting
• Easy to read linear scale
• Rugged construction
• Bezel removable for cleaning
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VS16K ADJUSTABLE VACUUM SWITCH
The VS16K is a general purpose vacuum switch with a user adjustable setpoint and small switching differential. This diaphragm operated vacuum switch is high vacuum compatible and corrosion resistant with all wetted parts made from stainless steel. A high current rating allows direct switching of loads without additional relays or external power supplies.
• Set-point range 30-1000 mbar
• User adjustable
• Reproducible
• Changeover contacts for normally open or normally closed operation
• Switch point independent of gas composition
• Corrosion resistant materials exposed to vacuum
• Direct pipeline mounting |
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IS16K VACUUM INTERLOCK SWITCH
The IS16K vacuum interlock switch is designed to safeguard the operator by ensuring that electrical circuits in the vacuum chamber do not remain energized when the system is let up to atmosphere. Typical applications include interlocking of the HT cleaning or process circuits on thin film deposition and vacuum systems. The IS16K is high vacuum compatible and corrosion resistant, with all wetted parts made from stainless steel.
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A high current rating allows direct switching of loads without additional relays or external power supplies. BOC Edwards' exclusive design provides the following safety features:
• Single non-adjustable set-point, cannot be tampered with
• Positive break switch, as required by BS4794/IEC 338-1
• Rapid contact separation, prevents arcing
• Breaks circuit directly, no relays required
• Corrosion resistant materials exposed to vacuum
• Direct pipeline mounting |
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VACUSTAT McLEOD GAUGES
1 TO 10-3 mbar
Vacustat Model 1
• Miniature McLeod gauge
• Simple operation
• Bench, panel or system mounting (model 2G)
The BOC Edwards range of Vacustat gauges is a family of three miniature
McLeod gauges designed for general laboratory or industrial duties. The gauge is normally positioned with the measuring capillary and scalehorizontal. To take a measurement, the head is rotated through 90° around its rotary seal to bring the tube and scale upright. The rotation causes the mercury to move within the glassware and isolate a fixed volume of the gas whose
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pressure is to be measured. The trapped gas is then compressed into the closed capillary tube. When the mercury in the open capillary is level with the zero mark on the measuring scale, the system pressure is given by the height of the mercury column in the closed capillary against the scale (which is calibrated directly in mbar).
Model 1: can be free-standing or panel mounted, measures from 10 to 10-2 mbar
Model 2: can be free-standing or panel mounted, measures from 1 to 10-3 mbar
Model 2G: is a lightweight glass gauge for mounting directly to the vacuum system. Measures from 1 to 10-3 mbar |
