BH Calibration Services


Use on site calibration and not lose your gauges or equipment when you need them most ......

Additional On-Site Measuring Equipment and All Linear Measuring Equipment

  • External Micrometer
  • Vernier Callipers
  • Depth Micrometer
  • Height Gauges
  • Screw Plug Gauges
  • Screw Ring Gauges
  • Plain Plug Gauges
  • Surface Tables
  • Optical Projectors


Ranges of Application - for Universal Horizontal Metroscope

  • External Measurements

when mounted to object table 0 to 600mm
when held between centres 0 to 200mm

  • Internal Measurements

with small contact arms
(depth of penetration up to 12mm,
maximum wall thickness 75mm) 10 to 400mm
with large contact arms
(depth of penetration up to 50mm,
maximum wall thickness 75mm) 30 to 370mm
with electrical contact equipment from 1mm

  • Effective Diameter of External Threads up to 200mm

major diameter

  • Effective diameter of Internal Threads

with small contact arms from 14mm minor diameter
with large contact arms from 35mm minor diameter

  • Pitches of External Threads

measurable lengths for
nominal diameters 6 to 30mm up to 60mm
nominal diameters 30 to 100mm up to 100mm
maximum distance between centres 160mm
Pitches of Internal Threads
measurable lengths for
nominal diameters 3.5 to 10mm up to twice the nominal diameter approx.
nominal diameters 10 to 55mm up to 45mm
nominal diameters 55 to 300mm up to 75mm

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