METREL MI 3144 EURO Z 800 V High Current Testing Instruction Manual

METREL MI 3144 EURO Z 800 V High Current Testing

Product Information

The MI 3144 EURO Z 800 V is a portable device used for measuring impedance, earth potential, DC resistance, ELR tests, and current. The device is battery- powered and has a battery charging time of approximately 3 hours. It can also be powered by the main power supply. The device has a measuring category of 600 V CAT IV and a protection classification of reinforced insulation. It has a degree of protection of IP 65 (case closed) and IP 54 (case open). The device weighs 6.5 kg (without accessories).

Product Key Features

• Portable device
• Battery-powered
• Main power supply
• Measures impedance, earth potential, DC resistance, ELR tests, and current
• Measuring category of 600 V CAT IV
• Protection classification of reinforced insulation
• IP 65 (case closed) and IP 54 (case open)

product Supported Instruments

The MI 3144 EURO Z 800 V supports various instruments, adapters, and accessories. For a complete list of supported instruments, please visit the manufacturer’s website at www.metrel.si.

product Technical Specification

Z loop m
High current R
High current Rsel| 0.1 m … 199.9 m
200 m … 1999 m
2.00 … 19.99
0 m … 1999 m
2.00 … 19.99
0.1 m … 199.9 m
200 m … 1999 m
2.00 … 19.99| 0.1 m
1 m
10 m
0.1 m
1 m
10 m
0.1 m
1 m
10 m
DC resistance [R]| R line m| 0.1 m … 199.9 m| 0.1 m
Earth potential [U]| Utouch
Um| 0.0 V … 199.9 V
200 V … 999 V
1 mV … 1999 mV
2.00 V … 19.99 V
20.0 V … 199.9 V| 0.1 V
1 V
1 mV
10 mV
0.1 V
ELR test [I and t]| ELR I
ELR t| 0.1 mA … 199.9 mA
200 mA … 1999 mA
2.00 A … 19.99 A
0.1 ms … 199.9 ms
200 ms … 1999 ms
2.00 s … 20.00 s| 0.1 mA
1 mA
10 mA
0.1 ms
1 ms
10 ms
Current [I]| A 1281 I
A 1227 I
A 1609| 0.5 A … 5 A
100 A
1000 A
30 A … 3000 A
10 mA … 749 mA
0.10 A … 7.49 A
2 A … 149 A
20 A … 999 A
100 … 149 A
0.6 A … 59.9 A
6 A … 599 A
0.06 kA … 5.99 kA| 1 mA
0.01 A
0.1 A
1 A
1 A
0.1 A
1 A
0.01 kA

product Application

The MI 3144 EURO Z 800 V can be used for various applications, including but not limited to electrical safety testing, electrical installations, and maintenance.

Optional Accessories

• A 1620 Test lead 5 m, black

• A 1621 Test lead 20 m, black

• A 1527 Test lead 5 m, red, 2.5 mm2

• A 1640 Test lead 20 m, red, 1.5 mm2

• A 1608 Test lead 20 m, green

• A 1014 Test probe, black

• A 1016 Test probe, red

• A 1530 G clamp

• A 1597 Human body resistance probe

• A 1654 Test lead on a cable reel, 50 m, red, 2.5 mm2,
  extendable

• A 1509 Test lead on a cable reel, 50 m, black, extendable

• A 1510 Test lead on a cable reel, 50 m, green, extendable

• A 1660 Extension test leads on the reel, 75 m, red, green, 2.5
  mm2

• A 1661 Jumbo case mount for 1660

• A 1593 Large Kelvin test clip

• A 1595 Large test crocodile, black

• A 1596 Large test crocodile, red

• A 1013 Crocodile clip, black

• A 1064 Crocodile clip, red

• A 1022 Test rod

• A 1528 Professional current earth spike, 50 cm

• S 2053 Step voltage plates

• A 1609 1-phase flexible current clamp

• A 1227 1-phase flexible current clamp 3000/300/30 A / 1 V

• A 1281 Current clamp 0,5/5/100/1000 A / 1 V

• A 1648 Current clamp A 1281 extension cable, 5 m

• A 1658 Jumbo case for MI 3144

• P 1101 BASIC to PRO license key upgrade for Metrel ES
  Manager

Product Usage Instructions

1. Ensure that the device is fully charged or is connected to a mains power supply
2. Connect the appropriate test leads or accessories to the device.
3. Select the function and type of measurement required.
4. Refer to the measuring range and resolution specifications to ensure accurate measurements.
5. Follow the manufacturer’s instructions for each specific measurement.
6. Record and document all measurements for future reference.
7. Disconnect all test leads and accessories from the device after use.
8. Store the device and accessories in a safe and dry location.

Other instruments

The MI 3144 Euro Z 800 V is a multifunctional, portable battery (Li-ion) or mains-powered test instrument with excellent IP protection: IP65 (case closed), and IP54 (case opened). It can be controlled via an Android app aMESM, MI 3152, MI 3152H, MI 3155 or MI 3325. The MI 3144 Euro Z 800 V is intended for measuring the effectiveness of automatic trip-out protection in case of faults in transformers and other HV equipment. With its high precision line and loop impedance measurements on AC and DC circuits, high current dR 300A loop, and line measurements for testing of partial currents and partial voltage drops, it is ideal for testing in industrial settings. It also supports contact voltage measurements, ELR electrical leakage relay testing with fault current injection, trip-out time measurement and DC source, line, battery, and accumulator measurements.

KEY FEATURES

• High precision 4-wire 300 A Z Line and Z Loop Impedance Tester;
• High range impedance measurements in 800 V / 16 … 420 Hz AC networks;
• DC source & line resistance measurements in 3 … 260 V DC networks;
• High current dR 300 A 4-wire Partial Voltage drops and Current’s Path Resistances;
• Earth Leakage Relay (ELR) trip-out testing time and current;
• ELR supported types AC, A, B;
• Ground fault analysis with Contact, Touch and Step voltage;
• Floating voltmeter for partial contact results;
• One-clamp high current grounding method with clamps (flex & iron);
• Selectable test load (16.6 % to 100 %);
• Improved thermal performance;
• Portable battery (Li-ion) or mains powered test instrument;
• IP protection: IP65 (case closed), IP54 (case opened);
• CAT IV 600 V (3000 m) safety category;
• Bluetooth communication;
• Black box design (remote-controlled via an Android device).

APPLICATION

• Live Power Transformer Hi Precision 4-wire 300 A Z Line / Loop Impedance testing;
• Partial Voltage Drops and Partial Clamp Current’s Path resistance measurements;
• 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;
• Earth Potentials by method of measuring Step, Touch and Transfer voltages;
• Automatic trip-out protection evaluation in case of faults in transformers, generators, turbines, contactors, distribution boards and switchyards whenever energetic loads and sources of protection exceed 200 A;
• Power transformer and motor winding measurement;
• High accuracy battery resistance testing;
• Ground grid integrity testing by measuring the resistance between two risers;
• Contact voltage measurement;
• High current injection ground fault simulation;
• One clamp earth resistance testing.

STANDARDS

Electromagnetic compatibility:

• EN 61326

Safety:

• EN 61010-1; EN 61010-2-030; EN 61010-031; EN 61010-2-032

Functionality:

• EN 61557; IEEE 81-2012; EN 60909-0; EN 60947-2 Annex M

Li-ion battery pack:

• EN 62133-2

SUPPORTED INSTRUMENTS

• MI 3152 EurotestXC (Bluetooth, RS-232)
• MI 3152H EurotestXC 2.5kV (Bluetooth, RS-232)
• MI 3155 EurotestXD (Bluetooth, RS-232)
• MI 3325 MultiServiserXD (Bluetooth only)
• A 1522 aMESM as a console for performing tests

TECHNICAL SPECIFICATION

Impedance [Z] Z line mΩ

Z loop mΩ

| 0.1 mΩ … 199.9 mΩ| 0.1 mΩ|  | ±(5 % of reading + 3 mΩ)
200 mΩ … 1999 mΩ| 1 mΩ
2.00 Ω … 19.99 Ω| 10 mΩ|  | ±(5 % of reading + 3 digits)
Impedance [Z] High current ΔR| 0.1 mΩ … 199.9 mΩ| 0.1 mΩ|  | ±(5 % of reading + 3 mΩ)
200 mΩ … 1999 mΩ| 1 mΩ
 |  | 2.00 Ω … 19.99 Ω| 10 mΩ|  | ±(5 % of reading + 3 digits)
Impedance [Z] High current Rsel| 0.1 mΩ … 199.9 mΩ| 0.1 mΩ|  | ±(8 % of reading + 3 mΩ)
200 mΩ … 1999 mΩ| 1 mΩ
 |  | 2.00 Ω … 19.99 Ω| 10 mΩ|  | ±(8 % of reading + 3 digits)
DC resistance [R] R line mΩ| 0 mΩ … 1999 mΩ | 1 mΩ |  | ±(5 % of reading + 3 digits)
2.00 Ω … 19.99 Ω| 10 mΩ
Earth potential [U] Utouch| 0.0 V … 199.9 V| 0.1 V|  | Calculated value
200 V … 999 V| 1 V|  |
Earth potential [U] Um| 1 mV … 1999 mV| 1 mV |  | ±(2 % of reading + 2 digits)
2.00 V … 19.99 V| 10 mV
 |  | 20.0 V … 199.9 V| 0.1 V
ELR test [I and t] ELR I| 0.1 mA … 199.9 mA| 0.1 mA|  | ±(5 % of reading + 3 digits)
200 mA … 1999 mA | 1 mA
 |  | 2.00 A … 19.99 A| 10 mA
ELR test [I and t] ELR t| 0.1 ms … 199.9 ms| 0.1 ms|  | ±(2 % of reading + 3 digits)
200 ms … 1999 ms | 1 ms
 |  | 2.00 s … 20.00 s| 10 ms
FUNCTION| Type| Range| Measuring range| Display range| Resolution| Uncertainty
Current [I] I| A 1281| 0.5 A | 10 mA … 749 mA| 0 … 749 mA | 1 mA | ±(2.5 % of reading + 3 digits)
 | 5 A | 0.10 A … 7.49 A| 0.00 … 7.49 A | 0.01 A
 |  | 100 A| 2 A … 149 A| 0.0 … 99.9 A __| 0.1 A|
 |  | __100 … 149 A| 1 A|
 |  | 1000 A| 20 A … 999 A| 0 … 999 A| 1 A|
Current [I] I| A 1227

A 1609

| 30 A | 0.6 A … 59.9 A| 0.0 … 59.9 A | 0.1 A| ±(3.5 % of reading + 3 digits)
300 A | 6 A … 599 A | 0 … 599 A __| 1 A|
 |  | 3000 A| 0.06 kA … 5.99 kA| 0.00 … 5.99 kA| 0.01 kA|

OPTIONAL ACCESSORIES

GENERAL DATA

• Battery power supply: 7.2 V DC (4.4 Ah Li-ion) Battery charging time: typical 3.0 h (deep discharge)
• Mains power supply: 90 … 260 V AC, 45 …65 Hz, 80 VA
• Over-voltage category: 300 V CAT II Protection classification: reinforced insulation Measuring category: 600 V CAT IV Pollution degree: 2
• Degree of protection: IP 65 (case closed), IP 54 (case open)
• Dimensions (w x h x d): 36 cm x 16 cm x 33 cm Weight: 6.5 kg (without accessories)

ORDERING INFORMATION

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 plates, 2 pcs
• Metrel aMESM Android PRO P 1102-AND license key integrated in instrument
• Short instruction manual
• Calibration certificate
• Protective bag for accessories (mounted on the case)
• Soft carrying bag
  • Replaced by test leads on a cable reel in MI 3144 EU set.

Euro set MI 3144 (EU)

• MI 3144 ST
• Test lead 5 m, green
• Test lead on a cable reel, 75 m, red, 2.5 mm2
• Test lead on a cable reel, 75 m, green
• Professional current earth spike, 42 cm
• 1-phase flexible current clamp 3000 / 300 / 30 A / 1 V (A 1609) with 5m current clamp extension cable (A 1648)
• Jumbo case
• Extension cable reel
• Jumbo case mount

METREL D.D.
Measuring and Regulation Equipment Manufacturer Ljubljanska 77, SI-1354 Horjul, Slovenia T +386 (0)1 75 58 200, F +386 (0)1 75 49 226 metrel@metrel.si, www.metrel.si

Note! Photographs in this catalogue may slightly differ from the instruments at the time of delivery. Subject to technical change without notice.

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