YZF3.2a-140 Series Pointer-type Oil Level Gauge
The YZF type transformer pointer type oil level gauge (abbreviated as oil level gauge) is an oil level testing device for transformer oil storage tanks. It can emit alarm signals when the transformer is set to the highest and lowest oil levels, achieving the purpose of remote monitoring.According to the swing form of the connecting rod, it can be divided into two types: up and down swing and left and right swing, which are respectively suitable for the main oil storage tank and the on load switch oil storage tank.
1. Environmental requirements: -30 ℃ to+70 ℃(can be customized according to user needs to support up to -45 ℃ to+70 ℃); Work environment requirements: -30℃～+115℃(customizable according to user needs, can support up to -45 ℃~+115 ℃).
2. Relative humidity: When the air temperature is 20 ℃, the relative humidity should not exceed 95%.
3. The oil temperature should not exceed 115 ℃.
4. Places without severe vibrations and bumps.
5. Indication error: less than 2.5% of the entire disk.
6. Long term stability: not less than 10000 cycles.
7. Sealing performance: 245KPa, no leakage for 20 minutes.
8. Protection level: IP55(Customizable according to user requirements). Scope of application: Altitude 0~4000m.
9. Switch capacity: AC 220V 5A,DC 220V 0.3A.
10. Power frequency withstand voltage: normally open contact 2000V, 1min, normally closed contact or single pole double throw contact: phase to phase 1000V, 1min, ground 2000V, 1min.
11. Insulation performance: normally open contact 2500V, 500M Ω, normally closed contact or single pole double throw contact: phase to phase 1000V, 500M Ω, ground 2500V, 500M Ω.
The product provides a variety of color options, specifically described as follows:
| Color card No | Color | Optionality of choice |
| RAL7038 | Agate grey | Default |
| RAL7042 | A Traffic grey A | Optional |
| RAL7035 | Light grey | Optional |
Torque Reference Table
| Number | Assembly position | Thread specification | Recommended torque | Assembly tool specification | Notes | |
| 1 | Flange installation hole | M10 bolt | 18～22Nm |  |
17mm | |
| 2 | Connecting terminal | M3 | 0.5～1Nm |  |
PH2 | Suggest manual installation |
| 3 | Terminal box cover | M4 | 1.5～2Nm | |
PH2 | Suggest manual installation |
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