Ningbo Qiaopu Electric Co., Ltd. temperature protector test fixture within the school standards

A, Ningbo Qiaopu Electric Co., Ltd. Scope of application: the use of temperature protector detection rule with are the.
Second, the management authority: Joop production center.
Third, the operating procedures:
1, according to the gages Calibration List "outside the school qualified, and three tables within the validity period, and identify the" Calibration gages resume and temperature protection subjects.
2 ready clean with a cloth, and temperature protection test fixture, within the school record sheet.
3, the correction procedure: the temperature protection detects fixture power, close the heating switch, the electric pump switch, and adjust the thermostat valve, the temperature is set to a certain value, warm-up 30min, so that the water in the fixture to achieve constant temperature. Transferred to the temperature profile of the table with three function switch, plug in the temperature measurement stick, probe temperature measuring stick in the detection of water into the fixture,
Measured water temperature of the detection of water. Water temperature values ​​and the rule of three in the table below with the thermometer as shown in the water temperature value is compared, if both are within the permissible error range, the deviation value of the deviation of ± 0.5 ° C, the judgment of qualified, on the contrary, be deemed unqualified;
Determine in accordance with the results of the detection signature was approved by the department head.
5, approved by the department head, is judged unqualified persons, to make [scrap], [suspended], decided signature.