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Welch™ Handheld Vacuum Gauges

For fast, easy vacuum measurements at multiple locations

Manufacturer:  Welch™ 1520K11

 View more versions of this product

Catalog No. 01-258-306

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Requires : 9V battery or AC adapter (both included only in kit version)



Portable, precise and mercury-free. Ideal for leak troubleshooting.

  • Connect quickly to any vacuum source
  • LCD display
  • Choice of general- or mid/high-range models
  • Mercury-free

General Range Gauges

  • Vacuum pressure range: 1 to 760torr (1 to 1013mBar)
  • Internal piezelectric sensor
  • Use standard 3/8 in. ID vacuum hosing to connect to vacuum source
Mid-High Range Gauges
  • Vacuum pressure range: 0.1 to 1999millitorr (0.001 to 2.665mBar)
  • External thermocouple sensor
  • Includes 4 ft. extension probe with 1/8 in. NPT fitting

Order Info

Meters are preset to either torr or mBar but can be changed via keypad. Meter dimensions: 1.25L × 3.63W × 5.75H (3.2 × 9.2 ×14.6cm). Operate on 9V battery or AC adapter. Available as standalone unit or in convenient carrying case kit with frame case/stand (for upright use), 9V battery, AC adapter, and vacuum hosing length (general range models only) or thermocouple tube sensor (mid-high range models only).



1 to 1013mbar
5.75 in.
Internal sensor and 0.37 in. dia. hose connect, carrying case, frame case/stand, 9V battery, 220V AC adapter and vacuum hosing length
General Range Vacuum Gauge Kit
3.6 in.
Vacuum measurements at multiple locations
1.25 in.
Product Certifications
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