Đồng hồ đo kiểm tra áp suất phanh TOYO TECH NPA BT-2, BT-3A, BT-3H, BT-4
This tester allows performance tests of various brake boosters in the vehicle-installed state.
- Testing capacity (BT-4)
- ① Air tightness test when opened
- ② Oil tightness test
- ③ Operation start pressure test
- ④ Operating air tightness test at full load
- ⑤ Air tightness test of vacuum check valve
- ⑥ Air tightness test of power piston
| Tester |
Meter
diameter |
Max. scale |
Min. scale |
Overall length |
| 20MPa Pressure gauge |
φ75mm |
20MPa
（Approx.200kgf/c㎡） |
1MPa |
1,540mm |
| 10MPa Pressure gauge |
φ75mm |
10MPa
（Approx.100kgf/c㎡） |
0.5MPa |
1,540mm |
| 1MPa Pressure gauge |
φ60mm |
1MPa
（Approx.10kgf/c㎡） |
0.02MPa |
1,470mm |
| -100KPa Vacuum gauge |
φ75mm |
Negative pressure -100kPa
（Approx.75cmHg） |
5kPa |
1,670mm |
|