Systems

Bespoke Test and Calibration systems

With over 40 years experience of designing and building high integrity test and calibration systems, Chell's team of mechanical, electronic and software engineers are ready to design and build solutions for your R&D and production test and calibration applications.

Systems

UKAS Calibration Service

Chell provides customers with a comprehensive calibration service covering all measurement instruments supplied by the company.

Flow

Mass Flow Meters, Systems and Controllers

Chell Instruments offer a wide range of high quality and reliable mass flow meters, controllers and systems suitable for use in a wide range of applications and industries.

With over 40 years of experience in flow measurement and control, we are extremely well placed to assist in specifying and supplying instumentation 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.

Gas Handling

Gas Handling, Gas Purification Equipment

Chell Instruments are the UK distributor for the 'SAES Pure Gas' range of gas purification equipment. These offer incredible purification performance over a huge range of gases and flow rates through the use of absorber, adsorber, catalyst, heated getter and palladium membrane purification technologies.

We also supply a range of gas handling solutions, from full, bespoke gas panels to high performance needle valves and regulators.

Pressure

Gas pressure measurement and control equipment

Chell offer a wide range of equipment for the measurement and control of gas pressure. This could be a very high-end primary pressure standard, benchtop calibrator, portable calibrator or simply a single transducer. We can also provide bespoke, automated pressure measurement systems tailored to your exact process requirements.

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

Temperature

Chell supply a range of temperature scanners to complement the pressure scanners

Vacuum

Vacuum Measurement and Control

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.

DAVC Digital Vacuum Gauge

DAVC Digital Vacuum Gauge
• Operates Hastings Instruments’ Most Popular
DV-4, DV-5 and DV-6 Gauge Tubes
• Ranges:
DV-6 (1 – 999 mTorr)
DV-5 (0.1 – 100 mTorr)
DV-4 (0.02 – 20 Torr)
• Replacement for the Model AVC
• Octal Connector to Vacuum Gauge Tube
• 9 Pin D-sub Electrical Connector
• Compatible with Calibration Reference Tubes
• 12 - 30 VDC Input
• Linear outputs: 0 - 1 VDC / 0-5 VDC / 0-10 VDC / 0-20 mA / 4-20 mA
• 0 - 1 VDC Output (Nonlinear)
• TTL Setpoint for Process Control (w/ LED)
• RS-232
• CE Compliant: EN61326

DESCRIPTION
The Teledyne Hastings Instruments (THI) Digital AVC (DAVC) is a microprocessor controlled vacuum gauge meter without readout. In addition to the linear and non-linear analog output, pressure measurements can be accessed by RS232 serial communications using torr, mbar or Pa.

A precision A/D converter along with the microprocessor measures the thermocouple vacuum gauge tube’s signal output, converts the measurement to a pressure reading employing the gauge tube’s well-defined output/pressure function, and transmits the result.

These instruments are packaged in a small extruded aluminum case with controls and D-connector mounted on the top cover. The Digital AVC Vacuum Gauge Meter is available for three of THI’s most popular gauge tube families: the DV-6, DV-5 and the DV-4. The DV-6 range is 1-999 mTorr. The DV-5 range is 0.1-100 mTorr. The DV-4 range is 0.02-20 Torr.
These tubes utilize THI’s rugged but sensitive noble metal thermocouples that are designed specifically for each range. Tubes are matched and are interchangeable without calibration adjustments. They are compensated for temperature and rate of temperature change and are corrosion resistant.

DAVC Data Sheet

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