ASTM D877 Insulation Oil Breakdown Voltage Test Set
I. Summary
Automatic Oil Breakdown Voltage Tester. My company all the scien tific and technical personnel, according to international standard IEC 156, and American Standard ASTM D877 , ASTM D1816, give full play to our advantages with a lot of field test and long-term unr emitting efforts, carefully researching and development of high accu racy, full digitalization to the Automatic Oil Breakdown Voltage Tes ter. This tester is easy to operate, beautiful shape. Because of adopt ing the automatic digital computer control, the tester is high precisi on measurement, antijamming capability powfully, safe and reliable.
II.Main Features
2.1.The instrument adopts the large capacity single-chip microcomputer control,works stably and reliably.
2.2 Instrument can eliminate the phenomenon of crash with wide range of watchdog circuit
2.3. A variety of operation to choose, Instrument program with IEC156, ASTM D877 and ASTM D1816 three methods of national standard and custom operations for different users' multiple choice
2.4. Instrument test cell is made of a special glass casting form once to eliminate the phenomenon of oil leaking and other interference
2.5. instrument can take articularly high voltage terminal sampling design for test values to analogue-digital converter, to avoid the error caused in the analog circuit, to make more accurate measurement results.
2.6. Instrument internal functions of overflowing, overvoltage, short circuit be protected,and are good for antijamming capability and electromagnetic compatibility
2.7. Instruments are portable structure , easy to move, used inside and outside rooms.
III. Technical index
3.1. Step-up transformer capacity 1.5 kVA
3.2. Rate of voltage rise
0.5 kV/s,1.0kV/s,2.0 kV/s,3.0 kV/s ,5.0 kV/s four gears
3.3. Output voltage 0~80 kV
3.4. Aberration rate of power supply <1%
3.5. Display mode Big LCD display English characters
3.6. Electrode gap standard 2.5 mm