JB/T 4279.7-2008 《Verification procedure for test equipment of enamelled winding wire.Part 7:Forced circulating-air oven》 Related products

This part of JB/T 4279 details the verification content of the enameled wire electrothermal forced ventilated test chamber, including verification items, technical requirements, verification appliances, methods of verification and result processing. Among them, it specifies the requirements for allowable temperature deviation and thermal hysteresis time in the working space, as well as the verification appliances such as Thermocouple group, thermal hysteresis time specimen, DC digital voltmeter and Thermocouple switch to be used. The purpose of this part of the standard is to ensure the accuracy and Reliability of the enameled wire electrothermal forced ventilated test chamber to meet the relevant mass inspection and testing needs.