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GDY-5 Caliper for Large Borehole

Inquiry
  Post Date: Jun 07,2014
  Expiry Date: Jun 07,2015
  Detailed Description: Purpose:
The instrument is newly designed device for large borehole diameter determination. It has been widely used for large borehole diameter determination in hydrology, railway, and bridge construction departments;

Technical parameters
1. Measurement range: Ф600mm~Ф1800mm; If equipped with an extending leg of 770 mm, its measurement range can be extended to 2800 mm;
2. Measurement error: <±25mm;
3. Maximum working pressure: 20 MPa;
4. Maximum working temperature: 90 ℃;
5. Weight: 25 kg;
6. Size: Φ450╳2200mm;


  Company: Chongqing Gold Geological Co., Ltd     [ China ]        
  Contact: Vivienne
  Tel: 86-15123029803
  Fax:
  Email: cqgold04@hotmail.com
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