YZF2-90TH Oil Level Indicator

YZF/YZS Oil lLevel Indicator

Application

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

1. Accuracy: 2.5 Grade
2. Contact capacity：220V 1A AC; 220V 0.3A DC

3. Insulation Character: Terminal to earth: 2000vlmin, without break-down and corona
4. Sealing character: Withstand 245kpa pressure for 20min for YZF type without any leakage
5. Weight: Approximate 5kg

Working Condition

1. Operation temperature: -30℃~+90℃
2. When the environment temperature is at 25℃±5℃, the relative humidity is not more 90%.
3. There is no serious pollution and corrosive medium in the atmosphere.
4. There is no violent vibration and turbulence around.

Ordering Code

Models

YZF2-90TH: Straight rod float ball type, left-right swing, with 2 switches, installed in the middle part of oil storage cabinet.

YZF2-140TH: Straight rod float ball type, left-right swing, with 2 switches, installed in the middle part of oil storage cabinet.

YZF3-140TH: Straight rod float ball type, up-down swing, with 2 switches, installed at the lower part of oil storage cabinet.

YZF2-175TH: Straight rod float ball type, left-right swing, with 2 switches, installed at the lower part of oil storage cabinet.

YZF3-175TH: Straight rod float ball type, up-down swing, with 2 switches, installed at the lower part of oil storage cabinet.

YZF2-200TH: Straight rod float ball type, left-right swing, with 2 switches, installed at the middle part of oil storage cabinet, dial inclines downward 20^o.

YZF3-200TH: Straight rod float ball type, up-down swing, with 2 switches, installed at the lower part of oil storage cabinet, dial inclines downward 20^o.

YZF2-250TH: Straight rod float ball type, left-right swing, with 2 switches, installed at the middle part of oil storage cabinet, dial inclines downward 20^o.

YZF3-250TH: Straight rod float ball type, up-down swing, with 2 switches, installed at the lower part of oil storage cabinet, dial inclines downward 20^o.

YZS2-140TH: Flexing rod type, up-down swing, with 2 switches, installed at the upper part of oil storage cabinet, dial inclines downward 20^o.

YZS2-200TH: Flexing rod type, up-down swing, with 2 switches, installed at the upper part of oil storage cabinet, dial inclines downward 20^o.

YZS3-200TH: Flexing rod type, up-down swing, with 2 switches, installed at the upper part of oil storage cabinet, dial inclines downward 20^o.

YZS2-250TH: Flexing rod type, up-down swing, with 2 switches, installed at the upper part of oil storage cabinet, dial inclines downward 20^o.

YZS3-250TH: Flexing rod type, up-down swing, with 2 switches, installed at the upper part of oil storage cabinet, dial inclines downward 20^o.

Installation and Operation

1. The installation dimensions of the oil level indicator is shown in the catalogue.
2. 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.