- Wuhan Guodian Mingke Electric Co., Ltd.
- Main products: Series resonance test device, Transformer tester, Circuit breaker, switch tester, High Voltage Insulation Equipm, Relay Protection Products, Cable and cable fault tester, Arrester and Insulator Test In, SF6 Test Instrument, Oil Testing Instrument, DC System and Battery Test Ins, Ground/Insulation Resistance T, Power Energy Analyzer, Power Energy Analyzer
Home > Products > Transformer Oil Tester > Oil Dielectric Loss Tester
Oil Dielectric Loss Tester
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Product Details
| Brand Name | GDMK | Place of Origin | China | |
| Model Number | Transformer Oil Tester |
Product Description
Product description：
Oil dielectric loss tester is a high-precision instrument, which can be applied to measure dielectric loss angle and Volume Resistivity of insulating oil etc. 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.
Technical index：
Oil cup technical specifciations:
⑴ Distance between High Voltage terminal
and Low Voltage terminal 2mm
⑵ Capacitance of Empty Cup 60±2PF
⑶ The Highest testing voltage Industrial Frequency 2000V
⑷ Dielectric Loss of Empty Cup tgδ＜1×10-4
⑸ Liquid capacity About 40ml
⑹ Electrode Material Stainless Steel
⑺ Volume 70mm(D)×120mm（H）
1 | Condition of Use | -5℃∽40℃ RH＜80% | |
2 | Power Source | AC 110V±10% Without Frequency Limit | |
3 | AC High Voltage Output | 400V∽2200V ±2% Every 100V 50VA | |
4 | DC High Voltage Output | 200V∽600V ±2% | |
5 | Temperature Control Induction Stove | Maximal Power 500W | |
6 | Temperature Control Range | <110℃ | |
7 | Temperature Measuring Error | ±0.5℃ | |
8 | Control Temperature Error | 0.1℃ | |
9 | Control Temperature Time | Room Temperature 100℃ <20min | |
10 | Measuring Range | tgδ Without Limit | |
Cx 15PF-300PF | |||
Rx 10M-20T | |||
11 | Resolution | tgδ 0.001% | |
Cx 0.001pF | |||
Rx 0.01 | |||
12 | Precision | △ tgδ： △ Cx ： △ Rx ： | ±(Reading*0.5%+0.020%) ±(Reading*0.5%+0.5PF) ±Reading * 10% |
13 | Relative Dielectric Loss Constant | εr | Calculated Automatically |
14 | Volume Resistivity | ρ | Calculated Automatically |
15 | Dimension | 450（L）×310（W）×360（H） | |
16 | Weight | 21Kg | |
Advantage：
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.
Feature：
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.
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, multi-mode testing. Secondly, big touch screen (320mm×240mm) 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.
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- Wuhan Guodian Mingke Electric Co., Ltd.
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