Metrel MI 3280 DT Analyser

The Metrel MI 3280 Digital Transformer Analyser is a multi-function, portable battery (Li-ion) powered test instrument with excellent IP protection: IP65 (case closed), IP54 (case open), intended for diagnosing of: turn ratio, phase deviation and excitation current of single and three phase transformers and winding resistance of single and three phase transformers. It is used for verification of electrical safety and functional testing of EVSE. It is intended for testing Mode 3 EV supply equipment with a type 2 connector. If used together with Metrel AUTOSEQUENCES®, prebuilt in the newer multifunctional testers, the complete EVSE charging station can be tested (state-by-state) electrically and functionally with a push of a button. It is possible to create a professional station-based report with MESM. FEATURES 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). A 3.4' color LCD display with touch screen. Easy to operate. Test results can be stored on the instrument. 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). Metrel MI 3280 DT Analyser Promotional Video Metrel MI 3280 DT Analyser Specifications TURN RATIO r, rA, rB, rC Function Measuring Range Resolution Accuracy Excitation voltage 80 V 0.8000 ... 9.9999 0.0001 +(0.2% of reading + 2 digits). 10.000 ... 99.999 0.01 +(0.2% of reading + 2 digits). 100.00 ... 999.99 MΩ 0.01 +(0.2% of reading + 2 digits). 1000.0 MΩ ... 1999.9 MΩ 0.1 +(0.5% of reading + 2 digits). 2000.0 ... 3999.9 0.1 +(0.5% of reading + 2 digits) 4000.0 ... 8000.0 0.01 +(1.0 % of reading + 2 digits). Excitation voltage 40 V 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 Ω ... 1999.9 0.01 +(0.% of reading + 2 digits). 2000.0 Ω ... 3999.9 0.1 +(0.% of reading + 2 digits). 4000.0 ... 8000.0 0.1 n/a Excitation voltage 5 V 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 +(0.5% of reading + 2 digits). 1000.0 Ω ... 8000.0 0.1 n/a. Excitation voltage 1 V 0.8000 ... 9.9999 0.0001 +(0.2% of reading + 2 digits) 10.000 ... 99.999 0.001 +(0.5% of reading + 2 digits) 100.00 ... 999.99 0.01 n/a. 1000.0 Ω ... 8000.0 0.1 n/a. EXCITATION CURRENT i, iA, iB, iC Test frequency 55, 65 or 70 Hz 0.10 mA ... 9.99 mA 0.01 mA +(2.% of reading + 2 digits). 10.0 mA ... 99.9 mA 0.1 +(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 -180.00 ... 180.00 ° 0.01° +(0.05°) WINDING RESISTANCE R, RA, RB, RC Test current 10 mA ... 1000 mA 1.0 mΩ ... 999.0 mΩ 0.1 mΩ +(2.% of reading + 3 digits). 1.000 Ω ... 9.999 Ω 0.001 Ω +(2.% of reading + 3 digits). 10.00 Ω ... 99.99 Ω 0.01 Ω +(2.% of reading + 3 digits). 100.0 Ω ... 999.9 Ω 0.1 Ω +(2.% of reading + 3 digits). General Specifications Battery power supply 14.4 V DC (4.4Ah Li-ion). Battery charging time ypical 4.5 h (deep discharge). Mains power supply 90-260 VAC, 45-65 Hz, 100 VA (300 V CAT II). Protection classification reinforced insulation. Measuring category 50 V CAT IV. Pollution degree 2 Degree of protection IP 65 (case closed), IP 54 (case open). Dimensions (w x h x d) 360 x 160 x 330 mm. Weight 8.8 kg, (with battery and accessories).

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