Calibration Services and Repair

MKS UK Capabilities & Resources

Pressure

• Pressure calibration bench for Baratron calibration from 50 mT to 1000T full scale using three 0.05% rdg transfer standard Baratrons.
• Pressure calibration cart (PVS6) for general purpose Baratron calibration from 1Torr to 10,000 Torr full scale using 0.05% rdg transfer standard Baratrons.
• Four pressure sets are maintained (a total of twelve transfer standard Baratrons) to ensure full pressure calibration capability throughout the year.
• Very large stock of spares for pressure products including spare sensors for most process Baratrons.

Mass Flow

• Primary gas flow calibrator using pressure rate of rise (ROR) technique for re-certification of internal standards and calibration of customers equipment, covering gas flows from 10 sccm to 20,000 sccm, accuracy 0.5% rdg.
• Ten transfer standard mass flow controllers covering gas flow from 10 sccm to 200,000 sccm, with an accuracy of 0.8% FS.
• Re-range, re-seal and re-scale of MFC's to all ranges above and to any gas specified.
• Very large stock of spares for Flow products including all mechanical assemblies and parts to enable full rebuilds.
• Leak detection capability to better than 10^-10 mbar Ls^-1 of He.

Electronic Controllers

• Full repair facility for all electronic controllers, power supply/readouts and signal conditioning equipment.
• National standard calibrated high accuracy multimeters and calibrators (three 6.5 digit DVM'S).
• Large stock of spare parts to facilitate repairs.

Valves

• Full repair facility for bellowed sealed valves including seal replacement and bellow assemble replacement.
• Full repair facility for sealing and non sealing throttle valves.
• Leak detection capability to better than 10^-10 mbar Ls^-1 of He.

Residual Gas Analysis

• Full repair, test and calibration of the MKS-Spectra series quadrupole gas analyser and the PAS series analytical systems, including ion source replacement, detector replacement (faraday or electron multiplier) and full repair of electronic control unit.
• Partial pressure and total pressure calibration using spinning rotor gauge technology and precise mixture calibration gases.
• Leak detection capability to better than 10^-10 mbar Ls^-1 of He.
• On site service and support capability for gas analyser products.

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