This part of JB/T 4278 specifies the verification items and technical requirements of low-temperature test chambers, verification equipment, verification methods, verification results and processing. This section is applicable to the verification of the working space of low-temperature test chambers for wires and cables.
JB/T 4278.8-2011 Referenced Document
JB/T 4278.1-2011 Verification procedure for test equipment of rubber plastic wire and cable.Part 1: General
JB/T 4278.8-2011 history
2011JB/T 4278.8-2011 Verification procedure for test equipment of rubber plastic wire and cable.Part 8: Low temperature test oven
1970JB/T 4278.8-1993 Rubber plastic wire and cable test equipment verification method low temperature test chamber