1) Function: used to detect the direct solderability of enameled round wire and binding wire；

2) The solder cylinder has enough volume to allow the temperature of the solder solution to keep the product standard temperature after immersion；

3) Soldering tin:  tin: lead =60: 40；

4) Error between the test temperature and the display value: maximum 560 ± 5 ℃；

5) Test time range: 0~99S；

6) Insertion depth: 35 ± 5mm.