YZF3-140 Oil Level Indicator
YZ series oil-level indicator is suitable and applicable for conservator and separate conservator for on-load tap-changer of transformers. These indicators are equipped with the highest and lowest oil-level alarm signaling device for remote monitoring of the variation of oil-level in the conservator. This type of oil-level indicator is also applicable for oil-level indication &alarm for all kinds of open liquid container or close liquid container with low inner pressure.
Principal Technical Data
- Accuracy: 2.5 Grade
- Contact capacity：220V 1A AC; 220V 0.3A DC
- Insulation Character: Terminal to earth: 2000vlmin, without break-down and corona
- Sealing character: Withstand 245kpa pressure for 20min for YZF type without any leakage
- Weight: Approximate 5kg
- Operation temperature: -30℃~ 90℃
- When the environment temperature is at 25℃±5℃, the relative humidity is not more 90%.
- There is no serious pollution and corrosive medium in the atmosphere.
- There is no violent vibration and turbulence around.
Installation and Operation
- The installation dimensions of the oil level indicator is shown in the catalogue.
- The following has to be checked before using. The swing arm can be moved freely to the two ends positions, and the electric signals can be sent successfully.