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Welch™ Handheld Vacuum Gauges

For fast, easy vacuum measurements at multiple locations

Manufacturer: welch™  1525B01

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

Catalog No. 01-258-302


Description & Specifications


Depth (English) 1.25 in.
Depth (Metric) 3.17cm
Product Type Mid/High Range Gauge
Display Type LCD
For Use With (Application) Vacuum measurements at multiple locations
Height (Metric) 14.6cm
Includes 0.125 in. NPT extension probe
Height (English) 5.75 in.
Range 0.001 to 1 torr
Width (English) 3.6 in.
Width (Metric) 9.14cm

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