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Transformer Oil Dielectric Strength Tester
Transformer Oil Tester

HJT Transformer oil tester conforms to international standard IEC-156, can be used for power frequency dielectric break down test on the transformer oil, capacitor oil, electric device, insulation tool, electric manufacturer and etc. It??s widely used in the fields of power system, petroleum, chemical industry, railway station, power station, electric manufacturer and etc.

Features:
1.Self detecting function. The regulator could return to zero start automatically.
2.Controlled by micro computer, easy to operate.
3.Build-in printer.
4.Automatic magnetic bar stir, to eliminate uneven and bubble of oil. 
5.100 test data storage, can display the ambient temperature and humidity.
6.Over voltage, over current, limitation protection functions, to ensure the safety of operators.
6.RS232 interface.

Specification:
Power supply: AC 220V ±10%, 50 Hz ±5%
Test voltage: : AC 0 80KV 0-100kV at option
Limitation current: 5mA
Test precision: 1%
Voltage boosting rate:  0.5-5KV/s (adjustable)
Presetting: 1-9 times
Stirring time: 0-1 minute 9 seconds
Static time: 0-10 minutes 39 seconds
Environmental temperature: 0-35
Relative humidity: 75%RH
Power: 300VA
Electrodes Gap Size: 2.5mm

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The transformer oil bdv tester unit is for automatically testing the breadkown voltage or dielectric strength of the insulation oil upto 60kv or 80kv or 100kv.

Wooden case

OVERVIEW

Many power systems, railway systems, large-scale petrochemical plants and enterprises have a lot of electrical equipment whose internal insulation are mostly oil filled insulation type, and therefore, test on insulating oil dielectric strength is common and necessary. To meet the needs of the market, we have developed and produced a series of insulating oil dielectric strength testers according to national standard GB T507-2002, industry standard DL429.9 91 and the latest Electric Power Industry Standard DL T846.7-2004 by ourselves. This instrument, by using a single chip microcomputer as the core, can operate in full automation with high accuracy, greatly improving work efficiency and reducing the labor intensity of workers. Moreover, it is small in size and convenient to carry.



MAJOR TECHNICAL INDICATORS

Output voltage 0 100KV optional

Voltage distortion rate 3

Voltage raising speed 0.5 5 KVS adjustable

Standing time 15min adjustable

Boosting interval 5 min adjustable

Boosting frequency 1 9 time s optional

Booster capacity 1.5KVA

Measuring accuracy 3

Supply voltage AC220V 10

50Hz1 Hz

Power 200W

Applicable temperature 0 45

Applicable humidity 75 RH

Overall dimension 465 385 425

Transformer Oil Dielectric Strength Tester 2

Overview

Many power systems, railway systems, large-scale petrochemical plants and enterprises have a lot of electrical equipment whose internal insulation are mostly oil-filled insulation type, and therefore, test on insulating oil dielectric strength is common and necessary. To meet the needs of the market, we have developed and produced a series of insulating oil dielectric strength testers according to national standard GB/T507-2002, industry standard DL429.9-91 and the latest Electric Power Industry Standard DL/T846.7-2004 by ourselves. This instrument, by using a single-chip microcomputer as the core, can operate in full automation with high accuracy, greatly improving work efficiency and reducing the labor intensity of workers. Moreover, it is small in size and convenient to carry.

Major Technical Indicators
1. Output voltage: 0-100KV (optional)

2. Voltage distortion rate: 3%

3. Voltage raising speed: 0.5-5 KV/S (adjustable)

4. Standing time: 15min (adjustable)

5. Boosting interval: 5 min (adjustable)

6.Boosting frequency: 1-9 time(s) (optional)

7. Booster capacity: 1.5KVA

8.Measuring accuracy: ±3

9. Supply voltage: AC220V ±10%

50Hz±1 Hz

10. Power: 200W

11.Applicable temperature: 0-45

12.Applicable humidity: 75%RH

13. Overall dimension: 465 385 425

Scope
This equipment according to GB/ T507 and industry standards DL429.9 national standard GB designed and manufactured, using a special software and hardware anti-jamming technology, can work in strong magnetic field environment, widely used in electricity, oil and scientific research departments .

Features
1. The instrument uses a microprocessor, three cups of whole, auto-complete boost, hold, stirring, static discharge, calculate, print and other operations, oil circulation pressure test can be carried out within 0-80KV range.
2, large-screen LCD, English menu, easy to operate.
3, this instrument is simple to operate, the operator simply simple setup, the instrument will automatically complete the 1-3 oil sample pressure test in accordance with the setting. Each oil sample, each cycle of breakdown voltage and frequency are automatically stored, after completion of the test, a thermal printer can print out the voltage value of each oil sample breakdown various times and average.
4, retentive, it can store 100 test results and can display the current ambient temperature and humidity.
5, using SCM control uniform boost, voltage frequency accuracy of 50HZ, making the entire process easy to control.
6, overvoltage, overcurrent, limit and other protection to ensure the safety of the operator.
7, having a temperature measuring and display function displays the system clock.

Technical Parameters
1, the test voltage: 0-80KV (optional)
2, the voltage distortion:

We has developed DST Insulating Oil Dielectric Strength Tester according to International standard IEC156, which is developed especially for measurement of insulating oil breakdown voltage. The dielectric breakdown is an indication of the oil ability to withstand electrical stress. The oil sample is placed in a test cup and an AC voltage is impressed on it. The electrodes are two discs, exactly 1 in. in diameter and placed 0.10 in. apart.
The voltage is raised at a constant rate, until an arc jumps through the oil between the two electrodes. The voltage at which the arc occurs is considered the dielectric strength of the oil.
DST automatic Insulating Oil Dielectric Strength Tester is unique in the market due to its functionality and the excellent user benefit in comparison to costs. The transformer oil tester provides delivers clear and reliable measurement results. It is no longer necessary to send samples to the laboratory. Environmental and transport influence on the samples are minimized. Due to its design, the tester is particularly handy, easy to operate and especially excellent to use under tough ambient conditions. By proper programming, DST Insulating Oil Dielectric Strength Tester has got functions of auto boosting, step down, stirring, display and print out. Portable type is available for performing both levels of this test in the field.

Features
1, the oil cup conforms to the standard GB/T5654-2007 three electrode structure, the inter electrode spacing is 2mm, it can eliminate stray capacitance and the effect of leakage on the dielectric dissipation test results. It has oil discharge electromagnetic switch, the operator can remove the sample oil from oil cup under the condition of don’t remove the oil cup, and can clean the oil cup with sample oil.
2, the instrument uses induction heating, PID temperature control algorithm. The heating mode has the advantages of oil cup and heating body non-contact, heat evenly, fast, and easy to control the temperature strictly controlled within the preset temperature error range.
3, the internal standard capacitor is the SF6 inflatable three electrode type capacitor. The dielectric dissipation and capacitance of the capacitor are not affected by the ambient temperature and humidity. The precision of the instrument is guaranteed after long time use.
4, AC test power supply using AC-DC-AC conversion, which can effectively avoid the influence of mains voltage and frequency fluctuation on the accuracy of dielectric dissipation test. Even if the generator is generating electricity, the instrument can run correctly.
5, this instrument has a perfect protection function. When there is over-voltage, over-current, high voltage short circuit, the instrument can quickly cut off the high pressure, and issue a warning message. When the temperature sensor fails or is not connected, a warning message is issued. In the medium frequency induction heating furnace with limit temperature relay, when the temperature exceeds 120 degrees, the relay release, heating stop.
6, test parameter setting is convenient. The temperature setting range is 0 ~ 125 ?, the AC voltage setting range is 500 ~ 2200V, and the DC voltage setting range is 0 ~ 500V.
7, the instrument uses a large-screen LCD display, with backlight, clear display and so on. Friendly man-machine interface, just follow the English menu prompts, enter the command, the instrument can be automatically tested. And automatically store and print test results.
8, this instrument has a real-time clock, test date and time can be saved with the test results, display and print.
9, this instrument has an empty electrode cup calibration function. It can measure the capacitance of the empty electrode cup and dielectric dissipation factor to determine the cleaning and assembly of empty electrode cups. Calibration data is automatically saved for accurate calculation of relative permittivity and DC resistivity.

Specifications
Bdv insulating oil tester, insulationg oil testing equipment:
1.Small size, light weight, easy operations.
2.Iec156 standard.

Iij-ii automatic oil tester is special used in the electric power industry for measurement for breakdown voltage of insulation oil. The dielectric strength is a comprehensive index for transformer oil, iij-ii oil tester is designed according to international standard iec156 dielectric strength. It adopts built-in printer, lcd displayer, industrial single chip as controller, new type i/o interface, apply large integrate circuit etc. This oil tester has high capability of anti-jamming and can run in open air.

1. Small size, light weight, easy operations
2.Adopt menu management, impute parameter is good
3.Can be stored ninety-nine kinds of oil test data
4.The system clock can be run when be powered off
5.High capability of anti-jamming, high precision

Delivery: sea, air, railway
Lead time: 15 days
Price term: fob shanghai
Payment term: tt/lc/da/dp
Minimum order: 1 set
Packing: wooden case
Standards certificate: ce certificate iso9001

Quality makes living. Top will spare no effort to provide you products of superior quality and best services.
Mr jason wang:8615215071486 86-23-68677712 86-23-88901306
Skype: dadawandouge msn:wandouge
You are welcome to visit our web site: www. Topoilpurifier.Com

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Molecular formula: NH4NO3
Molecule Weight: 80
CAS: 6484-52-2
UN:1942
Hazardous class:5.1


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NH4NO3 >99.5%
N >34%
Oil absorption > 8%
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PH >4

GDYJ-501 Transformer Oil Breakdown Voltage Tester

In power system,railway system and large petrochemical factories and mines,enterprises have a lot of electrical equipment,its internal insulation are mostly oil filled insulation type,dielectric strength of the insulating oil is a routine test shall be measured.

GDYJ-501Transformer Insulating Oil Breakdown Voltage BDV Tester is mainly test the Breakdown Voltage of those insulating oil.
Standard: IEC60156

Functions

Transformer oil dielectric strength tester functions:
1 .Breakdown test of user-defined
2 .Proof test
3 .Calibration interface for customers
4 .Uploading data to PC and making word report automatically.
5 .Result print


Technical index

1. Output voltage: AC 0~80KV
2 .Rate of voltage rise: 2KV/s±10%
3 .Measuring precision: 3%RDG+0.3%FS
4 .Test times setting: 1-9
5 .Mixing time setting: 0~99 second
Waiting time setting: 0-9 minute 59second
6 .Maximum storage capacity: 100 groups of test data
7 .Display: 256*128 LCD
8 .Rated power supply: AC 220V±10% 50Hz/60Hz
9 .Environment temperatures: 0-50°C
10.Relative humidity â?¤80%RH

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