SY/T 6639-2012 in English
VALIDCalibration Method for Geophone Tester
- Issued on:2012-01-04
- Implemented on:2012-03-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$194.00
Scope
This standard specifies the calibration method for electrically excited geophone testers (hereinafter referred to as testers) used to test moving coil geophones. This standard applies to the calibration of newly manufactured, in-use and repaired testers.

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