This part of JB/T 4278 specifies the calibration items and technical requirements for constant temperature water baths, calibration equipment, calibration methods, calibration results and processing. This section is applicable to the verification of constant temperature water bath working areas for wires and cables.
JB/T 4278.7-2011 Referenced Document
JB/T 4278.1-2011 Verification procedure for test equipment of rubber plastic wire and cable.Part 1: General
JB/T 4278.7-2011 history
2011JB/T 4278.7-2011 Verification procedure for test equipment of rubber plastic wire and cable.Part 7: Thermostat water bath
1970JB/T 4278.7-1993 Rubber plastic wire and cable test equipment verification method constant temperature water tank