Bench Top Leak Detectors
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The Agilent Technologies / Varian Models 959 and 959D are portable, self-contained mass spectrometer helium leak detectors using respectively dry and wet (oil-based) vacuum roughing pumps. The dry pump in the 959D makes the system particularly useful in clean room environments where a wet, oil-based pump cannot be tolerated. The pumps have identical operating characteristics, although the 959D is somewhat heavier. The wet pump meets most mechanical vacuum pumping needs, except in clean room applications.
The systems provide clean and automatic leak detection utilizing the Contra-Flow™ vacuum system design that allows testing at high test point pressures. The 959D provides a dry, oil-free vacuum pumping system. The TriScroll dry roughing pump evacuates the test port to the appropriate transfer pressure and provides ultra-clean system roughing and backing functions. The DS-302 high vacuum mechanical pump in the 959 provides the same functions in situations where the oil-free aspects of the 959D are not required. A Varian Turbo pump is used to achieve very high vacuum in the spectrometer tube. The roughing pump is located on the cart below the leak detector. An optional power probe accessory allows the leak detector to operate as a quick-response, high-sensitivity sniffing leak detector.
Sensitivity Ranges: 10-4 through 10-8 atm cc/sec
Min Detectable Leak at 1000 ppm: 2 x 10-9 atm cc/sec helium
Max Test Port Pressure: 1 Torr
High Vacuum Pump: V81 Macro Torr Turbo/Drag Pump
Primary Pump Type: PTS 300 Dry Scroll Pump
Inlet Flange: NW 25
Calibration Routine: Manual
Weight (Base Unit): 22.7 kgs / 50 lbs
Agilent_VS_Series_Leak_Detector_Catalog.pdf
Agilent_959_959D_Helium_Leak_Detector_Operating_Manual, Varian 959 Leak Detector 
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Service and Repair - Turbo Pumps
- Rotary Vane Pumps
- Dry Vacuum Pumps
- Leak Detectors
- Scroll Dry Pumps
- Vacuum Boosters
- Diaphragm Dry Pumps
A & J Vacuum Services provides repair service for all types of High Vacuum equipment. We perform Turbomolecular Pump repair, Turbo Pump Repair, Dry Pump repair, Vacuum Pump repair, Mass Spectrometer repair, Rotary Vane Pump repair, Vacuum Booster repair, and Leak detector repair. Our highly trained technicians have years of experience and guarantee the highest quality service.
We operate at our own full service repair facility in Clifton, NJ. We have invested in state-of-the-art equipment including; complete line of decontamination, cleaning, drying, balancing, vibration analysis and software to minimize failures. Our in-house machine shop is capable of machining various components, prototypes and housing conversions as needed.
We support all major manufacturers including Pfeiffer Vacuum, Alcatel / Adixen, Edwards Vacuum, Varian, Oerlikon / Leybod Vacuum, Vacuubrand, and Agilent Technologies.
Repair Steps
- Full incoming inspection and run up time check, vibration check, drive inspection.
- Full disassembly, decontamination and cleaning.
- Pump is balanced utilizing state-of-the-art equipment from the world leader in equipment balancing and analysis to reduce noise and vibrations and extend bearings life.
- Assembly and replacement of all necessary parts such as shafts, bushings, bearings, sleeves, O-rings, gaskets, seals, wicks, etc. Only parts that meet or surpass OEM specifications are used to ensure dependable highest quality service and long pump life.
- Final test and leak check. The pump in fully assembled condition is checked for vacuum seal. Leak test to 1 x 10-9 Mbar l/s. Vibrations are analyzed and test data is digitally recorded.
Every pump and instrument is extensively tested for 48 hours. During our final tests, we monitor total pressure, temperature, vibration and noise level utilizing newest testing technologies and techniques specified by OEM. Upon request, we can provide our customers with a pump down graph. Call us for your free repair estimate at 1-973-249-0854.
Overview
The Agilent Technologies / Varian Models 959 and 959D are portable, self-contained mass spectrometer helium leak detectors using respectively dry and wet (oil-based) vacuum roughing pumps. The dry pump in the 959D makes the system particularly useful in clean room environments where a wet, oil-based pump cannot be tolerated. The pumps have identical operating characteristics, although the 959D is somewhat heavier. The wet pump meets most mechanical vacuum pumping needs, except in clean room applications.
The systems provide clean and automatic leak detection utilizing the Contra-Flow™ vacuum system design that allows testing at high test point pressures. The 959D provides a dry, oil-free vacuum pumping system. The TriScroll dry roughing pump evacuates the test port to the appropriate transfer pressure and provides ultra-clean system roughing and backing functions. The DS-302 high vacuum mechanical pump in the 959 provides the same functions in situations where the oil-free aspects of the 959D are not required. A Varian Turbo pump is used to achieve very high vacuum in the spectrometer tube. The roughing pump is located on the cart below the leak detector. An optional power probe accessory allows the leak detector to operate as a quick-response, high-sensitivity sniffing leak detector.
Specifications
Sensitivity Ranges: 10-4 through 10-8 atm cc/sec
Min Detectable Leak at 1000 ppm: 2 x 10-9 atm cc/sec helium
Max Test Port Pressure: 1 Torr
High Vacuum Pump: V81 Macro Torr Turbo/Drag Pump
Primary Pump Type: PTS 300 Dry Scroll Pump
Inlet Flange: NW 25
Calibration Routine: Manual
Weight (Base Unit): 22.7 kgs / 50 lbs
Service & Repair
- Turbo Pumps
- Rotary Vane Pumps
- Dry Vacuum Pumps
- Leak Detectors
- Scroll Dry Pumps
- Vacuum Boosters
- Diaphragm Dry Pumps
A & J Vacuum Services provides repair service for all types of High Vacuum equipment. We perform Turbomolecular Pump repair, Turbo Pump Repair, Dry Pump repair, Vacuum Pump repair, Mass Spectrometer repair, Rotary Vane Pump repair, Vacuum Booster repair, and Leak detector repair. Our highly trained technicians have years of experience and guarantee the highest quality service.
We operate at our own full service repair facility in Clifton, NJ. We have invested in state-of-the-art equipment including; complete line of decontamination, cleaning, drying, balancing, vibration analysis and software to minimize failures. Our in-house machine shop is capable of machining various components, prototypes and housing conversions as needed.
We support all major manufacturers including Pfeiffer Vacuum, Alcatel / Adixen, Edwards Vacuum, Varian, Oerlikon / Leybod Vacuum, Vacuubrand, and Agilent Technologies.
Repair Steps
- Full incoming inspection and run up time check, vibration check, drive inspection.
- Full disassembly, decontamination and cleaning.
- Pump is balanced utilizing state-of-the-art equipment from the world leader in equipment balancing and analysis to reduce noise and vibrations and extend bearings life.
- Assembly and replacement of all necessary parts such as shafts, bushings, bearings, sleeves, O-rings, gaskets, seals, wicks, etc. Only parts that meet or surpass OEM specifications are used to ensure dependable highest quality service and long pump life.
- Final test and leak check. The pump in fully assembled condition is checked for vacuum seal. Leak test to 1 x 10-9 Mbar l/s. Vibrations are analyzed and test data is digitally recorded.
Every pump and instrument is extensively tested for 48 hours. During our final tests, we monitor total pressure, temperature, vibration and noise level utilizing newest testing technologies and techniques specified by OEM. Upon request, we can provide our customers with a pump down graph. Call us for your free repair estimate at 1-973-249-0854.
