Pirani Gauges


Convection enhanced passive Pirani gauge for VGC083 and VGC031

Drop-in Options

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Gemini™ MxG5xx

Sensor version
Ionization chamber
Emmision current
Flange connection to vacuum chamber
Switching function
Electrical connection
Digital interface
Analog output signal
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Gemini™ MxG5xx
Switching functions
Electrical Connection
FCC, 8-pin
Digital Interface
Measurement range
1.2 - 8.68 V
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Gemini™ MxG5xx
Gemini™ MAG500
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The Pirani Gauge Enhanced 050 (PGE050) is the passive version of our active convection enhanced Pirani gauges PGE300 and PGE500. Equipped with the same sensor technology, the PGE050 works in conjunction with our VGC031 and VGC083 passive gauge controller units. 

Thanks to its convection enhanced principle, PGE050 is capable of high accuracy readings in the measurement range between 1.3×10-4 to 1333 mbar. With its wider measuring range and unmatched accuracy, especially at near-atmospheric pressures, PGE050 is the first choice when replacing other Pirani or thermocouple gauges in your vacuum system. The robust sensor design makes the PGE050 a high value/low cost of ownership choice and qualifies for many applications where an economical vacuum measurement from atmosphere to high vacuum range is required.


  • Convection enhanced Pirani technology for wide measurement range and higher accuracy near atmosphere
  • Gold plated tungsten filament
  • Mechanical robust and less susceptible to mechanical shock and vibration
  • Large choice of flange options
  • Compliance & standards: CE, RoHS
  • Direct drop in replaces Granville-Phillips® Convectron® gauge sensor (same plug/ pinouts)
  • PGE050 accepts Granville-Phillips® Convectron® controllers, cables and modules
  • Ideal gauge sensor for upgrading your installed Pirani and thermocouple gauge

(Granville-Phillips®, Convectron® and Mini-Convectron® are registered trademarks of MKS Instruments, Andover, MA)

Typical applications

  • General vacuum measurement and control from atmosphere to high vacuum range

Operating Units

  • Vacuum Gauge Controller VGC083 A/B/C and VGC031

Unique design features

PGE050_unique design features
PGE050_unique design features


Measurement principleConvection enhanced Pirani
Display range (N2)1.3×10-4 … 1333 mbar
Measurement range (N2)1×10-3 … 1333 mbar
Accuracy (N2) 
1.3×10-4 … 1.3×10-3 mbar0.1×10-3 mbar resolution
1.3×10-3 … 530 mbar±10% of reading
530 … 1333 mbar±2.5% of reading
Repeatability (N2)±2% of reading
Bake-out temperature≤150 °C1)
Materials exposed to vacuumStainless steel, glass, gold-plated tungsten, nickel, Teflon®
FeaturesGold plated tungsten (W) filament
Mounting orientation: horizontal recommended 
(orientation has no effect on measurements below 1 mbar)

1) with high temperature cable or without cable

Part number

Part number
352-500Pirani Gauge, DN ISO 16 KF, tungsten filament (W)
352-501Pirani Gauge, DN ISO 25 KF, tungsten filament (W)
352-502Pirani Gauge, DN ISO 40 KF, tungsten filament (W)
352-503Pirani Gauge, DN ISO 16 CF-R, tungsten filament (W)
352-504Pirani Gauge, DN ISO 40 CF-R, tungsten filament (W)
352-505Pirani Gauge, 4 VCR female, tungsten filament (W)
352-506Pirani Gauge, 8 VCR female, tungsten filament (W)
352-507Pirani Gauge, 1/8 NPT, tungsten filament (W)
 Cables to VGC083 & VGC031
 50 °C
399-5803 m (9.9 ft)
399-5818 m (25 ft)
399-58215 m (50 ft)
 150 °C
399-5203 m (9.9 ft)
399-5218 m (25 ft)
399-52215 m (50 ft)
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