Catalogs >
METREL >
MI 3144 Euro Z 800V and MI 3143 Euro Z 440V guide EN

MI 3144 Euro Z 800V and MI 3143 Euro Z 440V guide EN
20Pages

Catalog excerpts

MI 3144 Euro Z 800V and MI 3143 Euro Z 440V guide EN - 1

Measuring instruments and testers www.metrel.si Measuring and Regulation Equipment Manufacturer

MI 3144 Euro Z 800V and MI 3143 Euro Z 440V guide EN - 2

Most powerful Industrial Safety & Quality bundles MI 3144 Euro Z 800 V and MI 3143 Euro Z 440 V MI 3144 Euro Z 800 V or MI 3143 Euro Z 440 V both are fully operated test instruments that could be driven through Android Application aMESM or one of supported instrument like MI 3155 EurotestXD or MI 3325 MultiservicerXD. Powerful features for industrial environment are implemented where hi test current is crucial demand to evaluate results. MAIN FEATURES High Precision 4-wire 300A Z Line and Z Loop Impedance Tester High Range 800 V / 16 ... 420 Hz AC Networks High Range 440 V / 16 ... 420 Hz...

Open the catalog to page 2

MI 3144 Euro Z 800V and MI 3143 Euro Z 440V guide EN - 3

Eurotest XD/XC, Multiservicer XD or Android App APPLICATIONS GENERAL DATA • Live Power Transformer High Precision 4-wire 300 A Z Line / Loop Impedance Testing • Partial Voltage Drops and Partial Clamp Current’s Path* Resistances • Airports High Frequency Band 16 ... 420 Hz Installation Impedances testing • DC Networks’ and Power Sources’ Line and Loop Resistances • Flex & Iron One-Clamp High Current dR 300 A Grounding method for Lightning systems • High Current dR 300 A Integrity of Grounding system with Flex and Iron One-Clamp method • ELR (MRCD) trip-out Current and trip-out Time testing...

Open the catalog to page 3

MI 3144 Euro Z 800V and MI 3143 Euro Z 440V guide EN - 4

Most powerful Industrial Safety & Quality bundle MI 3144 Euro Z 800 V and MI 3143 Euro Z 440 V

Open the catalog to page 4

MI 3144 Euro Z 800V and MI 3143 Euro Z 440V guide EN - 5

Automatic trip out protection ability test in case of faults in transformers, generators, turbines, contactors, distribution boards and switchyards whenever energetic loads and sources of protection exceed 200A need precise, robust and accurate measuring method to evaluate results for first inspection and periodical predictive maintenance or fast troubleshooting on any industrial platform. High precision line and loop impedances on AC and DC circuits is on the top of the importance list for high test current, 4-wire connectivity, temperature management with selectable test loads,...

Open the catalog to page 5

MI 3144 Euro Z 800V and MI 3143 Euro Z 440V guide EN - 6

Most powerful Industrial Safety & Quality bundle Technical specifications MI 3144 and MI 3143* High Current Impedance [Z], ΔR, R Selective Z line mΩ, Z loop mΩ Measuring range according to EN61557-3: 12.0 mΩ ... 19.99 Ω Measurement principle Voltage / Current measurement (synchronous sampling) Loop/Line Impedance Measuring range Zline Zloop Impedance Nominal frequency Nominal voltage range Test load parameter Test method 4-wire / Ipsc - Imax, Imin, Imax2p, Imin2p, Imax3p, Imin3p /R and XL values / Averaging option / Automatic range selection MI 3144 DC Sources & Line Resistance [R] R line...

Open the catalog to page 6

MI 3144 Euro Z 800V and MI 3143 Euro Z 440V guide EN - 7

Most powerful Industrial Safety & Quality bundle Technical specifications MI 3144 ELR Test [I and t] ELR Current Injection Test and ELR Combination Time Test Residual operating current Measuring range Combination time Measuring range Nominal voltage range (P1 - P2) 40 ... 800 V 40 V Nominal voltage range 800 V Nominal frequency range (P1 - P2) 16,7 ... 400 Hz Nominal frequency range Current Waveform Alternating, Pulsating, DC Test current selectable 3 mA, 5 mA, 6 mA, 10 mA, 15 mA, 30 mA, 50 mA, 0,1 A, 0,15 A, 0,25 A, 0,3 A, 0,5 A Number of turns - up to 10 MI 3144 Current [I] Iron current...

Open the catalog to page 7

MI 3144 Euro Z 800V and MI 3143 Euro Z 440V guide EN - 8

Most powerful Industrial Safety & Quality bundle Standard set MI 3144 / MI 3143 ORDERING INFORMATION (MI 3144) Standard set (MI 3144) • Instrument MI 3144 Euro Z 800 V • Mains cable • RS232-PS/2 cable • Test lead 5 m, black, 2 pcs • Test lead 5 m, red, 2.5 mm2, 2 pcs • Test lead 50 m, red, 2.5 mm2* • Test lead 20 m, black • Test lead 50 m, green* • Large Kelvin test clip, 2 pcs • Crocodile clip, black, 2 pcs • Crocodile clip, red, 2 pcs • Crocodile clip, green • Test probe, black, 2 pcs • Test probe, red , 2 pcs • G clamp • Human body resistance probe • Test rod, 2 pcs • Step voltage...

Open the catalog to page 8

MI 3144 Euro Z 800V and MI 3143 Euro Z 440V guide EN - 9

Most powerful Industrial Safety & Quality bundle Optional accessories Test lead 5 m, black Jumbo case mount for A 1660 Test lead 20 m, black Large Kelvin test clip, • 2 pcs Professional current earth spike, 50 cm Large test crocodile, black Step voltage plates, 2 pcs Large test crocodile, red 1-phase flexible current clamp Test lead 20 m, green • Crocodile clip, black, 2 pcs 1-phase flecible current clamp 3000/300/30 A / 1 V Test lead on a cable reel, 50 m, red, 2.5 mm2, extendable Test lead on a cable reel, 50 m, black, extendable Test probe, black, 2 pcs Current clamp A 1281 extension...

Open the catalog to page 9

MI 3144 Euro Z 800V and MI 3143 Euro Z 440V guide EN - 10

Application Note - 1 (MI 3144 and MI 3143) Live Power Transformer High Precision 4-wire 300A Z Line / Loop Impedance Testing Power Electrical Installation's Automatic trip-out ability is the majority evaluation during maintenance process to protect power transformer in case of overloading, overheating and shorting. Heavy Industrial solution supports live testing without disconnection of the transformer from power network. Periodical inspections of Z line and Z loop impedances can show bad contacts on busbars, condition of power switches, contactors or fuse holders. However, it needs to be...

Open the catalog to page 10

MI 3144 Euro Z 800V and MI 3143 Euro Z 440V guide EN - 11

Application Note - 2 (MI 3144 and MI 3143*) Partial Voltage Drops and Partial Clamp Current’s Path* Resistances Industrial electrical installation components, fuse holders, cables, contacts, busbars and powerful switches are crucial for operability, automatic trip-out ability, and functional safety. Industrial solution supports live testing without power network disconnection. The maintenance procedure project can be designed in advance and all replacements and repairs can become predictable. Periodical inspections of Z line and Z loop impedances can show bad contacts on busbars, condition...

Open the catalog to page 11

MI 3144 Euro Z 800V and MI 3143 Euro Z 440V guide EN - 12

Application Note - 3 (MI 3144) Airports High Frequency Band 16 ... 420 Hz Installation Impedances testing Mobile Ground Power Supply or Central Supply Systems with generators, motors, converters, connection systems, sub-distribution units, cables, connectors and plugs need robust and reliable predictive maintenance. The rationality behind this is to provide safety and quality of electrical power supply and connected electrical circuits and subsystems for the aircraft in the flight preparation phase. Using our solution in parallel to existing test procedures with load banks allows us to...

Open the catalog to page 12