| Inspection items |
Normal specification product |
High specification product |
Remarks |
| (1) Aging test |
None |
All (there should not be abnormality such as wire burn out |
15 minutes ON-OFF operation for 2 hours |
| (2) Room temperature resistance value test |
100% (tolerance ± 8%) |
100% (tolerance ± 5%) |
R = 0.97E^2/P is the reference value |
| (3) Insulation resistance test |
100% (200 MO or higher) |
100% (500 MO or higher) |
Measured using a 1000 V insulation resistance tester between the lead and the metal case |
| (4) Insulation withstand voltage test |
Sampling Inspection (5% + 1) |
1500 V - 1 minute 100% inspection |
1500 V - 15 seconds Between the lead and the metal case |
| (5) Withstand pressure inspection |
Leakage 2 cc/s or less at 0.2 Mpa |
Leakage 0.1 cc/s or less at 0.3 Mpa |
Soapy water test |
| (6) Pressure loss test |
100% (defined by specified flow rate Within pressure loss) |
100% (defined by specified flow rate Within pressure loss) |
Measured with a manometer |
| (7) Sensor electromotive force |
100% --> Confirm that the temperature rises to 392ºF (200ºC) or more |
100% --> Confirm that the temperature rises to 1472ºF (800ºC) when red hot |
The sensor is heated with a torch |
| (8) Sensor insulation resistance |
100% (20 MO or higher) |
100% (100 MO or higher) |
Measured using a 1000 V insulation resistance tester between the power supply and sensor |
| (9) Screwing verification test |
Sampling Inspection (5% + 1) |
100% |
|
Delivery inspection specification 
