電腦軟體Metrel ES Manager可用於建立測試結構、上傳/下載測試結果、使用自動測試編輯器及建立報告。
應用:
單相三相電力變壓器、比壓器、比流器。
匝比測量r、rA、rB、rC:
激磁電壓80V(測量範圍,解析度,精度):
0.8000 ... 9.9999;0.0001;±(0.2% rdg.+ 2位數)。
10.000 ... 99.999;0.001;±(0.2% rdg.+ 2位數)。
100.00 ... 999.99;0.01;±(0.2% rdg.+ 2位數)。
1000.0 ... 1999.9;0.1;±(0.5% rdg.+ 2位數)。
2000.0 ... 3999.9;0.1;±(0.5% rdg. + 2位數)。
4000.0 ... 8000.0;0.1;±(1.0% rdg.+ 2位數)。
激磁電壓40V、10V、5V、1V的測量範圍、解析度與精度規格,歡迎洽詢。
激磁電流i、iA、iB、iC:
測試頻率55、65或70Hz(測量範圍,解析度,精度):
0.10mA ... 9.99 mA;0.01mA;±(2 % rdg.+ 0.20mA)。
10.0mA ... 99.9mA;0.1mA;±(2 % rdg. + 2位數)。
100mA ... 999mA;1mA;±(2 % rdg.+ 2位數)。
1.00A ... 1.10A;0.01A;±(2 % rdg.+ 2位數)。
相位差fi、jA、jB、jC:
測試頻率55、65或70Hz(測量範圍,解析度,精度):
-180.00 ... 180.00 °;0.01°;±(0.05°)。
詳細規格、配件、軟體及選購,歡迎洽詢。
The MI 3280 Digital Transformer Analyser is a portable, battery (Li-ion) powered test instrument intended for diagnosing of turn ratio, phase deviation, excitation current and winding resistance of single and three phase transformers.
It has an excellent IP protection: IP65 (case closed), IP54 (case open) allowing the use of the instrument in harsh environments.
The operation is straightforward and clear to enable the user to operate the instrument without the need for special training. For advanced users the Auto Sequences and visual tests are available.
Standards applied:
Functionality: C57.12.70; IEC 60076-1
Electromagnetic compatibility: EN 61326
Safety: EN 61010 - 1;EN 61010 - 2 - 030;EN 61010 - 2 - 033; EN 61010 - 031
Li -ion battery pack: IEC 62133
Measuring functions:
Turn ratio measurement of single and three phase transformers;
Phase deviation between high voltage and low voltage winding;
Excitation current;
Winding resistance measurement of single and three phase transformers (Power Transformers up to 1,6 MVA).
Key features:
A 3.4' color LCD display with touch screen offers easy-to-read results and all associated parameters.
The operation is straightforward and clear to enable the user to operate the instrument without the need for special training.
Test results can be stored on the instrument. PC software that is supplied as a part of standard set enables transfer of measured results to PC where they can be analysed or printed.
Built-in help screens for referencing on site.
Autotest sequences.
Built-in charger and rechargeable batteries as standard accessory.
BT communication with PC, Android tablets and smart phones via built-in BT.
PC SW Metrel ES Manager for creation of test structures and uploading, downloading of test results, autotest editor and report creation.
High degree of protection IP 65 (case closed), IP 54 (case open).
Applications:
Three phase and single phase power transformers.
Voltage transformers.
Current transformers.
Turn Ratio r, rA, rB, rC:
Excitation voltage 80V (measuring Range, resolution, accuracy):
0.8000 ... 9.9999, 0.0001, ±(0.2% of reading + 2 digits).
10.000 ... 99.999, 0.001, ±(0.2% of reading + 2 digits)
100.00 ... 999.99, 0.01, ±(0.2% of reading + 2 digits)
1000.0 ... 1999.9, 0.1, ±(0.5% of reading + 2 digits)
2000.0 ... 3999.9, 0.1, ±(0.5% of reading + 2 digits)
4000.0 ... 8000.0, 0.1, ±(1.0% of reading + 2 digits)
Please feel free to contact for measuring range, resolution and accuracy specifications for excitation voltages 40V, 10V, 5V, 1V.
Excitation Current i, iA, iB, iC:
Test frequency 55, 65 or 70 Hz (measuring Range, resolution, accuracy):
0.10 mA ... 9.99 mA; 0.01 mA; ±(2 % of reading + 0.20 mA)
10.0 mA ... 99.9 mA; 0.1 mA; ±(2 % of reading + 2 digits)
100 mA ... 999 mA; 1 mA; ±(2 % of reading + 2 digits)
1.00 A ... 1.10 A; 0.01 A; ±(2 % of reading + 2 digits)
Phase Deviation fi, jA, jB, jC:
Test frequency 55, 65 or 70 Hz (measuring Range, resolution, accuracy):
-180.00 ... 180.00 °; 0.01°; ±(0.05°).
Please feel free to contact for detailed specifications, accessories, software and options.