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Beijing Youbang Jiantong Surveying Instruments Sales Co., Ltd
Surveying Instruments
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5 Years

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Desk-top Instrument Calibration Table

Beijing Youbang Jiantong Surveying Instruments Sales Co., Ltd

Desk-top Instrument Calibration Table

Model Number : F420-3T

Place of Origin : China

MOQ : 1 set

Price : USD+1299+SET

Supply Ability : 1000+ SET + workdays

Delivery Time : 15workdays

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Desk-top Instrument Calibration Table


The main technical parameters


  • Parallel light pipe
  • Three parallel light pipes: Vertical shaft angle, Horizontal angle, Quarter View angle
  • The length of parallel light pipe barrel: 515 mm;
  • Effective aperture: 55 mm;
  • Focal length: 420 mm
  • Precision( Reticle lattice value): 20”
  • Parallel light pipes adjusting range: horizontal axis: ≥30’;Vertical axis: ≥30’;

  • Elevating stage of the maximum working range(including optical path aperture): ≥300mm;
  • Magnification ratio: 5.7~7 times
  • Angle of view: 10° 20’;
  • Resolution: 3”;
  • Calibration table size: 105high×115length×40wide (cm)
  • Total weight: 100 kg;
  • Visual range: 15~30cm;
  • Level sensitivity: Collimating parallel light pipe20”;
  • Base circular bubble leveling instrument: △≤8’’/2MM;
  • Power supply voltage: 3.4~4.2V, 2.1W;
  • Switching power supply: I=10A;
  • Lighting: Cold light source (The intensity of trimming)

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Desk-top Instrument Calibration Table Images

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