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The Dielectrotest is a fully automatic tester for determination of the dielectric breakdown voltage of insulating liquid. It has been designed for laboratory use as well as for field use for service and commissioning. The Dielectrotest is very comfortable and easy in use. The requested testing standard may be selected via menu. The corresponding electrode type as well as the electrode spacing will be displayed for confirmation before starting the test.
After placing the test vessel with the oil sample into the test chamber, the protection lid needs to be closed. For maximum operator security the protection lid is equipped with a security interlock key switching off the HV when opened during testing. When starting the test, sample temperature as well as a customer specific sample number may be entered and will than be integrated to the test report printout. The testing sequence according to the selected testing standard is performed fully automatically.
Common test sequences for national and international standards are stored in the oil tester. In addition, the operator can define and store up to 10 freely programmable test sequences. Every oil sample is either automatically marked with a serial number or with a number entered by the operator. After the test a detailed test report is printed on the builtin printer. In addition to the standard used for the test, the print-out contains date, time, sample number, individual breakdown values, average value and standard deviation.
The last 20 test reports will be stored in the tester for later recall or printout.
Additionally test results can be transmitted to a PC using the optionally available Windows program PrintCom. With PrintCom test results can be stored on a PC and test reports may be printed on the connected office printer. PrintCom stores the results in EXCEL® format. The operator may configure an own suitable EXCEL® form. It is very simple to create user-defined test protocols.
Presentation video on youtube: https://youtu.be/0ldolOOMc1o
Model Dielectrotest Article-No. | 60A-2 4018300 | 80A-2 4018301 | 100A-2 4018302 |
Testing voltage: | 60 kV RMS | 80 kV RMS | 100 kV RMS |
Weight approx. | 35 kg | 39 kg | 39 kg |
Dimensions (WxHxD): | 503 (+70 carrying handles) x 450 x 390 mm | ||
Mains supply voltage: | 110, 230, 240 V / 50 or 60 Hz -selectable via voltage selector | ||
Power consumption | Max. 900 VA | ||
Voltage measurement: | True RMS measurement, Resolution 0.1 kV, Accuracy +/- 1 kV | ||
Switch-off current/time | programmable 1...5 mA / <1ms | ||
Breakdown monitoring | Detecting insulating liquids with insulation resistance below 30 MOhms | ||
Voltage withstand tests: | Rate of rise, hold voltage and hold time selectable in 5 steps | ||
Rate of rise | 0,1... 10 kV/s programmable, in automatic mode selected by testing standard | ||
Testing standards: | IEC 156/95, VDE 370/96, BS 5874/80, UTE C 27-221/74, UNE 21309/89, NEN 10156, SEV 3141/69, CEI 10-l/73, ASTM D1816/90, ASTM D877/90, JIS 2101-82, JIS Silicon 2101/82, selectable via menu, additionally 10 User test-ing sequences freely programmable | ||
Display: | LCD Graphic display with backlight | ||
Printer: | Built in Thermo– Printer, 24 Characters/line | ||
Stirrer: | Magnetic stirrer, PTFE-bar | ||
Sample No.: | Successive Number or entered by operator before starting the test | ||
Date and time: | Built in clock with calendar function | ||
Interface: | Serial Interface RS 232C on the front panel | ||
Max. temperature: | Operation 0 to 50°C, storing -20° to +50° C |
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