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Integrated Transformer Oil level Oil temperature Gauge-ETLG

ENGELEC's ETLG integrated oil level and oil temperature integrated indicator is compact and accurate for oil immersed Distribution Transformer to show its oil level and oil temperature. The colorful indicator has good identification and alarm for installation and maintenace. It can be used both indoor and outdoor. The dimension is compatible with all brands transformers in the worlds. It's a new generation of technology improvement in good performance. It's widely used for 6.6kV, 10kV, 15kV, 20kV, 33kV, 36kV oil transformers.
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Integrated Transformer Oil Level and Temperature Gauge-ETLG 

for 6.6kV~36kV Oil Immersed Distribution Transformers


transformer oil temperature and oil level gauge


  • Description

ENGELEC's ETLG transformer oil level and temperature gauge is a highly integrated and compacted accurate gauge for oil transformer. is a field detection instrument specially designed to measure the oil temperature and oil level of distribution transformers. The instrument is mercury-free. It is directly installed on the tank cover of the oil transformer. It’s widely used to replace the glass mercury thermometer and oil level gauge. It can safely and reliably measure the change of transformer oil temperature and oil level. In addition to the temperature indication, the instrument also has a color marking, which can reflect the corresponding temperature range according to different color segments. The instrument can directly understand the oil level in the transformer through the oil level indicator extending from the scale groove. The temperature and oil level gauge adopts outdoor protective structure, which is strong, vibration resistant with excellent sealing performance. It’s corrosion-resistant to be applied to indoor and outdoor environments.


  • Technical specification:

1. Temperature measurement range: 0~120°C

2. Temperature measurement accuracy: +/-1°C

3. Oil level indication range: 20mm

4. Operating temperature: -40°C ~80°C

5. The humidity of environment: 0~100%.

6. Protection tube pressure: ≤1.6MPa

7. Temperature measurement time constant: <40s

8. Mounting thread: M48x2


  • Dimension

oil level and temperature gauee ETLG drawing

Note: ‘L’ is the size of the minimum oil level of the transformer and the sealing surface of the mounting screw. Its default value L=120, if there is specified length requirement, please indicate it when ordering.

 

  • Maintenance

1. The instrument should ensure the integrity of the protective tube during storage, transportation, use and installation, and do not bend and deform the protective tube.

2. Under normal use, the instrument shall be inspected every 12 months.



20kV (15kV) Three phase hermetical oil immersed distribution transformer, SM series


Main Technical Parameters

Rated Power
   (kVA)

Primary Voltage
(kV)

H.V.Tapping Range

Secondary Voltage

(V)

Connection Group

No-load loss(W)

On-load loss(W)

25

11kV


10kV


  6kV

±5%

±2*2.5%


400V

415V

433V


Dyn11


Yyn0/Yzn1

0.10

0.60/0.63

50

0.13

0.87/0.91

63

0.15

1.04/1.00

80

0.18

1.25/1.31

100

0.20

1.50/1.58

125

0.24

1.80/1.89

160

0.27

2.20/2.31

200

0.33

2.60/2.73

250

0.40

3.05/3.2

315

0.48

3.65/3.83

400

0.57

4.30/4.52

500

0.68

4.15/5.41

630

0.81

6.20

800

0.98

7.50

1000

1.16

10.30

1250

1.37

12.00

1600

1.65

14.50

2000

1.96

19.8


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