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Chongqing Gold Mechanical & Electrical Equipment Co., Ltd.

Tangent Delta Tester, Insulating Oil Tangent Delta Tester, Transformer Oil Tangent Delta Tester manufacturer / supplier in China, offering Automatic Transformer Oil Tangent Delta Tester (GDGY), Capillary Viscometer Washer for Petroleum Product, High Accuracy Flame Atomic Absorption Spectrophotometer Aas (AA320N) and so on.

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Supplier Homepage Product Electrical Testing Equipment Automatic Transformer Oil Tangent Delta Tester (GDGY)

Automatic Transformer Oil Tangent Delta Tester (GDGY)

FOB Price: US $1 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1/ Piece
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Port: Chongqing, China
Production Capacity: 200 Set/Sets Per Month
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: GDGY
  • High Voltage Output: 0~2200V Resolution 200V Error <2%Rdg+0.2%Fs
  • Temperature Adjust Range: <100 ºC. Control Error <1 ºC
  • Capacitor Measurement Error: < 1%Rdg+0.5PF
  • Trademark: GOLD
  • Specification: 450(L)× 310(W)× 360(H)
  • HS Code: 9031809090
  • Power: Electronic
  • High Voltage Output Capacity: 50va
  • Tangent Delta Measurement Error: < 1%Rdg+0.02%
  • Warranty: 1 Year
  • Transport Package: Wooden Case
  • Origin: Chongqing, China (Mainland)
Product Description
GDGY Oil Tan Delta Dielectric Constant Capacitance & Resistivity Tester is a high-precision instrument, which can be applied to measure dielectric loss angle and Volume Resistivity of insulating oil etc. 
GDGY Oil Tan Delta Dielectric Constant Capacitance & Resistivity Tester is integrated by oil cup for dielectric loss, temperature-control equipment, temperature sensor, test-bridge for dielectric loss, AC trial electrical source, standard capacitor, high resistance meter and DC high-voltage power etc. 
The most advanced heating mode of high frequency induction is applied to the heating part of this instrument, which has the advantage of non-contact of oil cup and heating unit, homogeneous heating, quick velocity and convenient control etc. 

AC-DC-AC conversion mode is applied to AC trial electrical source so that the problem how to measure correctly under the fluctuation of voltage and frequency can be avoided. Even when the electric generator is working, the instrument can operate correctly. 

The inner standard capacitor is SF6 three-pole inflate capacitor, whose dielectric loss and capacitance is not influenced by environmental temperature and dampness etc. In this way, the accuracy of the instrument is guaranteed conformably after a long-time application. 

Automatic Transformer Oil Tangent Delta Tester (GDGY)


Convenience and maneuverability are the most remarkable advantages of this instrument.

First of all, digital technology and intelligent automation measurement are applied inside the instrument.

Secondly, big-screen (240mm×128mm) menu interface in Chinese is equipped, with which user can be prompted each step during the operating process.

Thirdly, the result can be output by printer. The user can grasp operating processes masterly without technical training.

1Tangent delta value measurement for insulating oil
2Capacitor value measurement for insulating oil
3Temperature control for insulating oil in test vessel
4Print test results by micro printer

Condition of Use-5ºC-40ºC RH<80%
Power SourceAC 220V±10% Without Frequency Limit
AC High Voltage Output400V-2200V ±2% Every 100V 50VA
DC High Voltage Output00V-2200V ±2%
Temperature Control Induction StoveMaximal Power 500W
Temperature Control Range<100ºC
Temperature Measuring Error±0.5ºC
Control Temperature Error0.1ºC
Control Temperature TimeRoom Temperature 90ºC <20min

Measuring Range
tgδ Without Limit
Cx 15PF-300PF
Rx 10M-10T
Resolutiontgδ 0.001%
Cx 0.01pF
Rx 0.01
Precisiondelta tgδ:±(Reading*0.5%+0.020%)
delta Cx :±(Reading*0.5%+0.5PF)
delta Rx :±Reading * 10%
Relative Dielectric Loss ConstantΕr Calculated Automatically
Volume Resistivityρ Calculated Automatically
Net Weight21KG
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