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WWW.MKSINST.COM 740C & 750C GENERAL PURPOSE B ARATRON® CAPACITANCE MANOMETERS Today’s industrial manufacturing processes require stability, repeatability, and accuracy in measuring pressure and vacuum. MKS has applied its expertise in capacitance sensor design to the 740C and 750C compact Baratron ® capacitance manometers for use in industrial, analytical, and electronic measurement applications. The flexible product design makes it ideal either for new processing systems or for retrofits into existing processing systems. The 740C and 750C Baratron capacitance manometers are rugged, industrial-grade pressure and vacuum transducers that use MKS proprietary sensor and electronics designs for superior accuracy, repeatability, and long-term signal stability. All exposed sensor surfaces are made from Inconel ® nickel alloys for exceptional resistance to corrosion from a wide variety of aggressive chemicals. The sensor is also fully welded, guaranteeing safety to equipment operators from accidental exposure to dangerous chemicals. This advanced sensor and its electronics are mounted in a rugged stainless steel enclosure that can withstand harsh environments. The 740C product is referenced to atmospheric pressure, and thus offers Full Scale measurement ranges from 20 to 3000 psig (1.4 to 204 bar). The 750C is an absolute transducer (referenced to high vacuum), and thus offers Full Scale measurement ranges from 10 Torr (13 mbar) to 3000 psia (204 bar). Both products are available with a wide variety of fittings, output signals, and electrical connectors for maximum configurability. Features & Benefits

  • Self-contained sensor and signal conditioner in a compact and r ugged enclosure All-w elded Inconel sensor construction allo ws for use with most corrosive media Pro ven MKS capacitance technology yields a measurement resolution of 1 par t in 10,000 Signal outputs a vailable as two-wire 4-20 mA, 0-5VDC , or 0-10VDC
  • Ov erpressure limit of two times Full Scale or 45 psia (whiche ver is greater) with no deg radation in performance A vailable with absolute (referenced to v acuum) or gage (referenced to atmosphere) calibr ations Pressure & Vacuum Measurement Solutions

, Liquid Gas , Liquid Pressure Ranges Torr (13 mbar) 20 to 3000 psig to 3000 psia (204 bar) (1.4 to 204 bar) Accurac y (includes non-linearity, hysteresis and ±1% Reading ±1% Reading non-repeatability) 0.1% Full Scale 0.1% Full Scale Repeatability ±0.1% of Reading ±0.1% of Reading Resolution (output) 0.01% of Full Scale 0.01% of Full Scale Ambient Operating Temperature 0° to 50°C 0° to 50°C T emperature Effect Zero 0.02% of Full Scale/°C 0.02% of Full Scale/°C Span 0.04% of Reading/°C 0.04% of Reading/°C Response Time <20 msec <20 msec Excitation 0-5 VDC output +13 to 32 VDC @ 10 mA max. +13 to 32 VDC @ 10 mA max. 0-10 VDC output +13 to 32 VDC @ 10 mA max. +13 to 32 VDC @ 10 mA max. 4-20 mA output +13 to 32 VDC +13 to 32 VDC (Rated Class I, Div . II, (Rated Class I, Div . II, Groups A & B as an option) Groups A & B as an option) Electrical T ermination 9-pin D-subminiature 9-pin D-subminiature Bendix PT O 4-Pin Bendix PT O 4-Pin 6 ft (2m) flying lead 6 ft (2m) flying lead Overload-Saf e 45 psia or 2× Full Scale 45 psig or 2× Full Scale whiche ver is greater whiche ver is greater Overload-Burst up to 1000 psi Full Scale 100 psia or 10× Full Scale 100 psig or 10× Full Scale whiche ver is greater whiche ver is greater >1000 psi Full Scale 5× Full Scale 5× Full Scale Internal V olume Single-ended 0.3 cu. in. 0.3 cu. in. W etted Parts Material Inconel and 316L S .S. Inconel and 316L S .S. Weight Single-ended 0.5 lbs (0.2 kg) 0.5 lbs (0.2 kg) Compliance CE CE

Dimensional Drawing — Note: Unless otherwise specified, dimensions are nominal values in inches (mm referenced). 33P 750C FA A 740C/750C - 3/19 © 2009-2019 MKS Instr uments, Inc. All rights reserved. Some Baratron® capacitance manometer products may not be exported to many end user countries without both US and local go vernment export licenses under ECCN 2B230. Specifications are subject to change without notice. mksinst is a trademark and Baratron ® is a registered trademark of MKS Instruments, Inc., Andover, MA. Inconel® is a registered trademark of Inco Alloys International, Huntington, WV. Bendix® is a registered trademark of Amphenol Corp., Bendix Connector Operations, Sydney, NY . VCR® and VCO® are registered tr ademarks of Swagelok Co., Willoughby, OH. Conflat® is a registered trademark of Varian Associates, Inc., Lexington, MA. *Available only on Full Scale ranges of 1000 Torr or less Not a vailable for 10 or 50 Torr full-scale ranges *A vailable only for full-scale ranges of 1000 psi or less G Ordering Code Example: 750C33PFA2GA 740C/750C Baratron Pressure Transducers Code Configuration Gage Single-ended Transducer 740C Absolute Single-ended Transducer 750C Pressure Ranges G age (For compound calibrations, consult Applications Engineering) 20 psig 21P 50 psig 51P 100 psig 12P 200 psig 22P 250 psig RDP 500 psig 52P 1000 psig 13P 2000 psig 23P 3000 psig 33P Absolute 10 mmHg 11T 20 mmHG 21T 50 mmHg 51T 100 mmHg 12T 200 mmHg 22T 500 mmHg 52T 1000 mmHg 13T 2000 mmHg 23T 3000 mmHg 33T 20 psia 21P 50 psia 51P 100 psia 12P 250 psia RDP 500 psia 52P 1000 psia 13P 2000 psia 23P 3000 psia 33P Fittings OD Tube* BA OD Weld Stub BB

4 VCR® Male CB

4 VCR

8 VCR

8 VCO® Female D A

NPT Female F A NPT Male FB 1/8” NPT Female FF 1/8” NPT Male FE NW -16KF* GA 1.33” OD Conflat®*** HA Input/Output +13 to 32 VDC input/0– 10VDC output +13 to 32 VDC input/0– 5VDC output +13 to 32VDC e xcitation/4-20 mA output Accur acy 1.0% of Reading G 0.1% Full Scale (Best Fit Str aight Line) R Connector 9-pin male D-subminiature A 15-pin male high-density D-subminiature C 9-pin D-subminiature on flying lead G 4-pin Bendix PT O D Flying Leads – 6 ft (2 m) F Flying Lead with 15-pin male D-subminiature K MKS Instruments, Inc. Global Headquar ters

2 Tech Drive, Suite 201

Andover, MA 01810 Tel: 978.645.5500 Web: www.mksinst.com MKS Instruments, Inc. Pr essure & Vacuum Measurement Solutions Six Shattuck Road Andover, MA 01810 Tel: 978.975.2350