1. YDS2       double needle net voltage meter
2. YS-3        electric measuring instrument
3. YZS-80A          double needle pressure gauge
4. YYD-100Z       single needle pressure gauge
5. YN60T        shock proof pressure gauge
6. WK-20-G       temperature relay
7. PT100       temperature transmitter
8. DY603      single needle electric measuring instrument
9. Y80B-1500        pressure gauge
10. ZLZ13/8        single needle speedometer
11. ZLS13/8        single needle speedometer
12. SX-201          digital pressure gauge
13. ZLS10/8         battery voltmeter (black case) TAG：