Gold Member Since 2007
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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 Gdgy Insulating Oil Dielectric Loss Tangent Delta Tester, Gd-0308 Petroleum Oil Air Release Value Test Apparatus by ASTM D3427, Gd-17144 Automatic Astmd4530 ISO10370 Mcrt Micro Carbon Residue Tester and so on.

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Supplier Homepage Product Electrical Testing Equipment Gdgy Insulating Oil Dielectric Loss Tangent Delta Tester

Gdgy Insulating Oil Dielectric Loss Tangent Delta Tester

Purchase Qty.:
1 2+
FOB Unit Price: US $2 US $1
Purchase Qty. (Pieces) FOB Unit Price
1 US $2
2+ US $1
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Port: Chongqing, China
Production Capacity: 50pieces/Month
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: GDGY
  • Temperature Control Induction Stove: Maximal Power 500W
  • Temperature Measuring Error: ±0.5ºC
  • Control Temperature Error: 0.1ºC
  • Relative Dielectric Loss Constant: Calculated Automatically
  • Trademark: Gold
  • Specification: 20kg
  • HS Code: 9031809090
  • AC High Voltage Output: 400V-2200V ±2% Every 100V 50va
  • Temperature Control Range: <100ºC
  • Condition of Use: -5ºC-40ºC Rh<80%
  • Control Temperature Time: Room Temperature 90ºC <20min
  • Product Name: Dielectric Loss Tester
  • Transport Package: Standard Wooden Case
  • Origin: Chongqing, China
Product Description
GDGY Insulating Oil Dielectric Loss Tangent Delta Tester

Gdgy Insulating Oil Dielectric Loss Tangent Delta Tester


1.GDGY Digital Automatic Dielectric Dissipation Factor Tester is a high-precision instrument, which can be applied to measure dielectric loss angle and Volume Resistivity of insulating oil etc.

2.It 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. 

3.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. 

4.Even when the electric generator is working, the instrument can operate correctly.

5.The inner standard capacitor is SF6 three-pole inflate capacitor, whose dielectric loss and capacitance is not influenced by environmental temperature and dampness etc. 

6.In this way, the accuracy of the instrument is guaranteed conformably after a long-time application.



Item Name

GDGY Automatic Transformer Oil Tan Delta Tester

Condition of Use

-5ºC-40ºC RH<80%

Power Source

AC 220V±10% Without Frequency Limit

AC High Voltage Output

400V-2200V ±2% Every 100V 50VA

DC High Voltage Output

00V-2200V ±2%

Temperature Control Induction Stove

Maximal Power 500W

Temperature Control Range


Temperature Measuring Error


Control Temperature Error


Control Temperature Time

Room Temperature 90ºC <20min

Measuring Range

tgδ Without Limit

Cx 15PF-300PF

Rx 10M-10T


tgδ 0.001%

Cx 0.01pF

Rx 0.01


delta tgδ:±(Reading*0.5%+0.020%)

delta Cx :±(Reading*0.5%+0.5PF)

delta Rx :±Reading * 10%

Relative Dielectric Loss Constant

Εr Calculated Automatically

Volume Resistivity

ρ Calculated Automatically



Net Weight


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