Variety of Strain Gage
| Series | J | J-W | F | F-W | |
|---|---|---|---|---|---|
| Name | Polyimide foil strain gage |
Strain gage with vynil wire |
Epoxy foil strain gage |
Strain gage with vynil wire |
|
| Resistive element | CuNi foil | CuNi foil | CuNi foil | CuNi foil | |
| Base material | Polyimide | Polyimide | Special epoxy | Special epoxy | |
| Operating temp. range (℃) | －70 ~ 200 | －30 ~ 70 | －50 ~ 70 | －30 ~ 70 | |
| Strain limit (%) | 3 mm or more 5 ~ 7 less than 3 mm 2 ~ 4 |
3 mm or more 5 ~ 7 less than 3 mm 2 ~ 4 |
3 mm or more 4 less than 3 mm 2 |
3 mm or more 4 less than 3 mm 2 |
|
| Fatigue limit | Applied strain (x10-6) |
±1 500 | ±1 500 | ±1 500 | ±1 500 |
| Repeatable times | 107 | 107 | 106 | 106 | |
| Operating temperature range of strain gage with adhesives (℃) |
CN-4 －50 ~ 100 SP-4 －30 ~ 200 |
CN-4 －50 ~ 70 |
CN-4 －50 ~ 70 |
CN-4 －50 ~ 70 |
|