Vacuum Products

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Chell Instruments offer a wide range of high quality and reliable vacuum measurement instrumentation for use in a huge variety of applications and industries.

With over 30 years of experience in vacuum measurement and control, we are extremely well placed to assist in specifying and supplying instrumentation for your application, from single instruments to bespoke automated systems.

Chell's impressive calibration and repair facilities also allow us to offer comprehensive after sales support.

Vacuum Products Open

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Capacitance Manometers (CDG) Open

Capacitance Manometers or diaphragm gauges offer high accuracy and reliability, and their measurement accuracy is independent of gas type. A large range of flanges, ranges, accuracy, operating temperature, electrical connector and digital communication types are available to suit almost any vacuum application.

Ranges: 10, 20, 50, 100, 200, 500, 1000 torr

Accuracy: 0.5% or 1% of reading options available

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Ranges: 0.1, 0.25, 1, 10, 20, 100, 200, 1000 torr

Accuracy: 0.2% of reading

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Ranges: 0.1, 0.25, 0.5, 2, 5, 20, 50, 200, 500, 1000 torr (model dependent)

Accuracy: 0.15% - 0.4% of reading (model dependent)

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Range : 10 to 1000 Torr

Accuracy : ±0.5% Reading (±0.25% Optional)

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Ranges : 0.1, 1, 2, 10, 20, 100, 1000 Torr, Unheated (ambient operating temperature)

Accuracy : CMX0: 0.25% of Reading

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Ranges : 0.1, 1, 2, 10, 20, 100, 1000 Torr, Heated (45 Degree operating temperature)

Accuracy : 1 to 1000 Torr Ranges = 0.15% of Reading, < 1 Torr Ranges = 0.25% of Reading

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Ranges : 0.1, 1, 2, 10, 20, 100, 1000 Torr, Heated (100 Degree operating temperature)

Accuracy : 1 to 1000 Torr Ranges = 0.15% of Reading, < 1 Torr Ranges = 0.25% of Reading

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Ranges : 1, 2, 10, 20, 100 & 1000 Torr, Heated (160 Degree operating temperature)

Accuracy : 1000 Torr Range = 0.5% of Reading, 10-100 Torr Ranges = 0.25%

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Range : 0-0.050: 0.100: 1.00: 2: 5: 10: 100: & 1000mb or Torr

Accuracy : ±0.15% Reading

Pirani Gauges Open

Pirani gauges are a cost effective means of measuring several decades of absolute pressure with a single instrument, typically from 1x10-4 to 1000 mbar. Multi-gauge options are also available, incorporating capacitance diaphragm technology to improve accuracy over parts of the measurement range. 

Range: 5x10-4 to 1000 mbar

Accuracy: +/-15% of reading (1x10-3 - 100 mbar)

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Range: 5x10-5 to 100 mbar

Accuracy: +/-15% of reading (1x10-3 - 100 mbar)

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Range: 5x10-5 to 1500 mbar

Accuracy: +/-15% of reading (1x10-3 - 100), +/-5% 100 to 950, +/-2.5% 950 to 1050 mbar.

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Range: 5x10-4 to 1000 mbar

Display Type: LED

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Wide Range Vacuum Gauges Open

Wide Range Vacuum Gauges utilise two, or sometimes three, different measurement technologies in a single instrument to allow pressure measurement over a very wide absolute pressure range, usually from ultra high vacuum to atmosphere.

Range: 2x10-6 to 1000 mbar

Accuracy: +/-15% of reading (1x10-5 - 1 mbar)

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Range: 5x10-10 to 1000 mbar

Accuracy: +/-15% (10-8 to 10-2 mbar)

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Range: 5x10-10 to 1500 mbar

Accuracy: +/-15% of reading (1x10-8 - 50), +/-5% 50 to 950, +/-2.5% 950 to 1050 mbar.

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Range: 5x10-9 to 1000 mbar

Accuracy: +/-30% (10-8 to 100 mbar)

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Range: 5x10-9 to 1000 mbar (model dependent)

Accuracy: 15% - 30% (model dependent)

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High & Ultra High Vacuum Gauges Open

Range: 1x10-9 to 1x10-2 mbar

Accuracy: +/-30% (10-8 to 10-4 mbar)

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Range: 5x10-10 to 5x10-2 mbar

Accuracy: +/-15%

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Range : 10-10 to 10-2 Torr

Accuracy : ±15% Reading (10-2 to 10-8 Torr)

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Vacuum Calibration Systems Open

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Thermocouple Vacuum Gauges Open

Range : 0 - 20 to 0 - 1400 Torr.

Offers fast calibration of Hastings gauges

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Range : 0.0001 to 100 Torr

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For use with DV-4, DV-5 & DV-6 gauge tubes

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Controls DV-4, DV-5 and DV-6 gauge tubes

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Dual Sensor Gauges Open

Range : 0.0001 to 1000 Torr

Accuracy : ±1.5% Reading (1000 to 50 Torr), ±5% Reading (50 to 0.001 Torr)

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Range : 0.0001 to 1000 Torr

Accuracy : ±1.5% Reading (1000 to 50 Torr), ±5% Reading (50 to 0.001 Torr)

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Chell Ultra Fine Needle Valves Open

Chell manufacture Ultra Fine Needle Valves for pressure and vacuum applications, offering very fine and repeatable flow control. Multiple needle ranges are available.

Range: 0-20, 0-1000, 0-3000 cc/min

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Knudsen Cell Open

Miniature Knudsen Evaporation Cell

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Displays, Controllers and Power Supplies Open

Chell offer a wide range of transducer and controller displays suitable for use with mass flow meters, mass flow controllers, capacitance manometers and various types of pressure instrumentation.

These range from single channel displays to multi channel units incorporating PID control.  All are supplied with digital communication interface software.

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