Digital Internal Micrometer – XTD Series Ratchet Type

Bowers’ Bluetooth digital internal micrometers offer a new ergonomic design – including a larger and
clearer LCD display – along with IP67 electronics protection, proximity output; allowing bi-directional
communication giving greater flexibility for data acquisition and storage. The extended mechanical
travel of the XT range means that special heads can also be manufactured to accommodate users
most awkward measuring problems. Measuring heads for threads, splines slots, grooves, deep-holes
and many more applications are available on request.
The Bowers XT3 range can be supplied as individual instruments or in complete sets, with UKAS
certification of measuring head as standard.

FEATURES:

  • Ergonomic design with larger and clearer LCD display
  • IP67 Electronics
  • Simple 2-button operation
  • 4 preset memories
  • Proximity output with built-in Bluetooth
  • Range 2 – 300 mm (0.080″ – 12″)
  • 2 – 6 mm: 2 point / 6 – 300 mm: 3 point measurement
  • Resolution 0.001 mm / 0.00005″
  • Tungsten carbide measuring faces on all 3-point heads from 12.5mm
  • Blind bore measurement from 2 mm – 6 mm and above 12.5 mm (0.500″)
  • Extensions available above 6 mm for deep hole measurement
  • Ratchet stop to ensure consistent measurement
  • Setting rings included with individual instruments and sets
  • UKAS certificates supplied as standard with all gauges
  • Serial number on all digital readouts and measuring heads
  • Heads with special anvils available to suit specific customer requirements e.g. threads, grooves, 2-point, spherical, splines etc.
  • Internal Micrometers manufactured according to DIN 863, part 4
  • Supplied in fitted wooden case
  • After sales service

Technical Specifications: Individual Instruments supplied with Digital Display Unit, Head and Ring

Code No (mm) Range (mm)Code No (inch) Range (inch)AccuracyAccuracyDepthDepthDisplay UnitSetting RingSetting Ring
(mm)(inch)(mm)(inch)(mm)(inch)
XTD1M-BT2-2.5XTD1i-BT0.080-0.100"0.0040.00015"90.35"XTDU2-BT2.500.1000"
XTD2M-BT2.5-3XTD2i-BT0.100-0.120"0.0040.00015"90.35"XTDU2-BT2.500.1000"
XTD3M-BT3-4XTD3i-BT0.120-0.160"0.0040.00015"120.47"XTDU2-BT4.000.1600"
XTD4M-BT4-5XTD4i-BT0.160-0.200"0.0040.00015"180.70"XTDU2-BT4.000.1600"
XTD5M-BT5-6XTD5i-BT0.200-0.250"0.0040.00015"180.70"XTDU2-BT5.000.2000"
XTD6M-BT6-8XTD6i-BT1/4-5/16"0.0040.00015"582.28"XTDU6-BT8.000.3125"
XTD8M-BT8-10XTD8i-BT5/16-3/8"0.0040.00015"582.28"XTDU6-BT8.000.3125"
XTD10M-BT10-12.5XTD10i-BT3/8-1/2"0.0040.00015"582.28"XTDU10-BT12.500.500"
XTD12M-BT12.5-16XTD12i-BT1/2-5/8"0.0040.00015"622.44"XTDU10-BT12.500.500"
XTD16M-BT16-20XTD16i-BT5/8-3/4"0.0040.00015"622.44"XTDU10-BT20.000.750"
XTD20M-BT20-25XTD20i-BT3/4-1"0.0040.00015"662.62"XTDU20-BT20.000.750"
XTD25M-BT25-35XTD25i-BT1-1 3/8"0.0040.00015"662.62"XTDU20-BT35.001.375"
XTD35M-BT35-50XTD35i-BT1 3/8-2"0.0040.00015"803.15"XTDU20-BT35.001.375"
XTD50M-BT50-65XTD50i-BT2-2 5/8"0.0050.00020"803.15"XTDU50-BT65.002.625"
XTD65M-BT65-80XTD65i-BT2 5/8-3 1/4"0.0050.00020"803.15"XTDU50-BT65.002.625"
XTD80M-BT80-100XTD80i-BT3 1/4-4"0.0050.00020"1003.94"XTDU50-BT80.003.250"
XTD100M-BT100-125XTD100i-BT4-5"0.0060.00025"1154.53"XTDU100-BT125.005.000"
XTD125M-BT125-150XTD125i-BT5-6"0.0060.00025"1154.53"XTDU100-BT125.005.000"
XTD150M-BT150-175XTD150i-BT6-7"0.0070.00030"1154.53"XTDU100-BT175.007.000"
XTD175M-BT175-200XTD175i-BT7-8"0.0070.00030"1154.53"XTDU100-BT175.007.000"
XTD200M-BT200-225XTD200i-BT8-9"0.0080.00030"1184.65"XTDU200-BT225.009.000"
XTD225M-BT225-250XTD225i-BT9-10"0.0080.00030"1184.65"XTDU200-BT225.009.000"
XTD250M-BT250-275XTD250i-BT10-11"0.0090.00035"1184.65"XTDU200-BT275.0011.000"
XTD275M-BT275-300XTD275i-BT11-12"0.0090.00035"1184.65"XTDU200-BT275.0011.000"

Extensions

Code No Length  To Fit Heads 
mm inchmm inch
EGX 0200632.5"6-101/4-3/8"
EGX 0400763.0"10-12.53/8-1/2"
EGX 05001004.0"12.5-201/2-3/4"
EGX 00011506.0"20-503/4-2"
EGX 00041506.0"50-3002-12"

SETS: Supplied with digital display unit, heads and rings

Range (mm)Code No Range (inch)Code No
2 - 6mmSXTD1M-BT0.080-0.25"SXTD1i-BT
6 - 10mmSXTD3M-BT1/4 - 3/8"SXTD3i-BT
10-20mmSXTD4M-BT3/8 - 3/4"SXTD4i-BT
20-50mmSXTD5M-BT3/4 - 2"SXTD5i-BT
50-100mmSXTD6M-BT2 - 4"SXTD6i-BT
100-150mmSXTD7M-BT4 - 6"SXTD7i-BT
150-200mmSXTD8M-BT6 - 8"SXTD8i-BT
100-200mmSXTD9M-BT4 - 8"SXTD9i-BT



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