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Short-circuit loop impedance meter
Image: Sonel MZC-310S loop impedance meter in an open case, display reading 174.8 mΩ, with connection instructions printed inside the lid.
It allows to measure the short-circuit loop impedance of very small values (less than 0,01Ω) in accordance with PN-EN61557.
Features
Very small short-circuit loop impedance measurements (with 0.1mΩ resolution) using 150A current under 230V, max. 280A under 440V, or measurements using 23A current under 230V, max. 42A under 440V.
Measurements on nominal voltage networks: 220/380V and 230/400V of 45...65Hz frequencies.
Image: Sonel meter in a grey and orange case with the lid open, showing a printed connection guide; panel with display, rotary selector and colour-coded terminals.
Do you know that...
AMZC-310S meter allows measuring the impedance of short-circuit loops of very small values (less than 0.01Ω) in accordance with PN-EN61557.
The AMZC-310S meter is the only meter available on the market that can also measure touch voltage or surge voltage, which can be used to assess the safety of the installation under test.
Distinction of phase-to-phase and phase-to-phase voltage when calculating short-circuit current.
Allows the length of the measuring leads to be altered (measurement 23/42A).
Four-conductor method, no need to calibrate conductors (150/280A measurement).
Measurement of the expected contact voltage or the contact surge voltage (with 1kΩ resistor).
Measurement of alternating voltages 0...440V.
Memory of 990 results and option to send them to a PC.
Device complies with the requirements of PN-EN 61557.
Technical specifications
Measurement of UST touch voltage and UT surge voltage
Voltage measurement (True RMS)
Display range
Resolution
Accuracy
0...440V
1V
±(2% v.m. + 2 digits)
Display range
Resolution
Accuracy
0...100V
1V
±(10% v.m. + 2 digits)
Frequency range: DC, 45...65Hz • Input impedance for voltmeter: > 200kΩ
Measurement of short-circuit loop parameters using standard current (2p, Imax=42A)
Frequency measurement (for voltages in the range of 50...440V)
Display range
Resolution
Accuracy
45,0...65,0Hz
0,1Hz
±(0,1% v.m. + 1 digit)
Measurement of the short-circuit loop impedance Z:
Measuring range in accordance with IEC61557: 0.13Ω...199.9Ω for 1.2m conductors
Measurement of short-circuit loop parameters by high current (4p, Imax=280A)
High current measurement of the short-circuit loop impedance Z: measuring range according to IEC61557: 7,2mΩ...1999mΩ
Display range
Resolution
Accuracy
0,00...19,99Ω
0,01Ω
±(2% v.m. + 3 digits)
20,0...199,9Ω
0,1Ω
±(3% v.m. + 3 digits)
Display range
Resolution
Accuracy
0...199,9mΩ
0,1Ω
±(2% v.m. + 2mΩ)
200...1999mΩ
1Ω
±(2% v.m. + 2mΩ)
200...1999mΩ
1Ω
Measurement of the effective resistance R and the short-circuit loop reactance X
Display ranges of effective resistance R and short-circuit loop reactance X
Display range
Resolution
Accuracy
0,00...19,99Ω
0,01Ω
±(2% v.m. + 3 digits) impedance indications for the given measurement
20,0...199,9Ω
0,1Ω
±(3% v.m. + 3 digits) impedance indications for the given measurement
Display range
Resolution
Accuracy
0...199,9mΩ 200...1999mΩ
0,1mΩ 1mΩ
±(5% m.v. + digits) impedance indications for
200...1999mΩ
1mΩ
the given measurement
Short-circuit current indications
Measuring range according to IEC 61557: for Un = 230V: 115.0A...32.0kA for Un = 400V: 200A...55.7kA
Short-circuit current indications
Display range
Resolution
Accuracy
1,150...1,999A
0,001A
2,00...19,99A
0,01A
20,0...199,9A 200...1999A
0,1A 1A
Elle est calculée sur la base de l’erreur pour la boucle de court-circuit.
2,00...19,99kA
0,01kA
20,0...40,0kA
0,1kA
Display range
Resolution
Accuracy
115,0...199,9A
0,1A
200...1999A 2,00...19,99kA 20,0...199,9kA
1A 0,01kA 0,1kA
Calculated on the basis of the error for the short-circuit loop
200kA...*
1kA
The initials “v.m.” stand for “measured value”
* 230 kA for ULN / 400 kA para ULL
Electrical safety
Insulation type in accordance with PN-EN 61010-1 and IEC 61557
double
Measuring category in accordance with PN-EN 61010-1
IV 300V
Degree of protection of the enclosure according to PN-EN 60529
IP20
Other technical data
Power supply
alkaline batteries LR14 (size C) (5 pcs.)
Current limiting resistor
for 4p measurement 1,5Ω for 2p measurement: 10Ω
Number of short-circuit loop measurements (alkaline batteries):
at least 2000(4/min.)
Temperature coefÏcient
±0.1% of the measured value /°C
Nominal conditions of use
Working temperature
0...+40°C
AMZC-20E
Short-circuit loop impedance meter
Image: Sonel MZC-20E loop impedance meter with orange housing; the display shows 239 V and 0.17 Ω. IP67 and CAT III 300 V badges.
Measured parameters
Short-circuit loop impedance
Short-circuit resistor RS and reactance XS
Short-circuit current IK
Tensión
Features
The instrument is designed for installers and technicians performing measurements in residential buildings, ofÏces, factories, and any facility with a low voltage electrical system. The instrument is also recommended for electrical maintenance personnel.
Technical specifications
ZS loop short-circuit impedance measurement
Short circuit current Ik
Measurement using in accordance with IEC 61557-3: 0,24...200 Ω
Measuring range according to IEC 61557 can be calculated based on the measuring range Zs and the nominal voltage values.
Short-circuit current Ik: 0,115...1769 A (Un=230 V) AC voltage measurement: 0...400 V
Gama
Resolution
Accuracy
1,15…9,99 A
0,01 A
10,0…99,9 A 100…999 A 1,00…9,99 kA
0,1 A 1 A 0,01 kA
Calculated on the basis of accuracy for loop precision short-circuit
10,0…40,0 kA
0,1 kA
Gama
Resolution
Accuracy
0,00...19,99 Ω
0,01 Ω
±(2,5% v.m. + 5 digits)
20,0...99,9 Ω
0,1 Ω
±(2,5% v.m. + 3 digits)
100...200 Ω
1 Ω
±(3% v.m. + 3 digits)
Rated operating voltage UnL-N/UnL-L: 220/380 V, 230/400 V, 240/415V
Operating voltage range: 180...270 V (for ZL-PE and ZL-N) and 180...440 V (for ZL-L)
Voltage measurement
Nominal mains frequency fn: 50 Hz, 60 Hz
Frequency operating range: 45...65 Hz
Gama
Resolution
Accuracy
0…440 V
1 V
±(2,5% v.m. + 2 digits)
Maximum current measurement: 15.3 A for 230 V (10 ms) and 26.7 A for 400 V (10 ms)
Short-circuit resistor RS and reactance XS
Measurement of short-circuit loop impedance Z
Gama
Resolution
Accuracy
0,00...9,99 Ω
0,01 Ω
±(5% v.m. + 5 digits)
Measuring cable
Measuring range ZS
Plage de mesure ZS
0,24…200 Ω
200...1999A
0,26…200 Ω
2,00...19,99kA
0,28…200 Ω
20,0...199,9kA
0,35…200 Ω
Calculated and displayed for ZS<10 Ω
As iniciais “v.m.” significam “valor medido”.
Electrical safety
Type of insulation
double, according to EN 61010-1 and IEC 61557
Measurement category
III 300 V according to EN 61010-1
Protection according to EN 60529
IP67
Other technical data
Power supply
LR6 alkaline batteries or rechargeable batteries Lithium Ion AA (4 units)
Dimensions
220 x 98 x 58 mm
Instrument weight with batteries
509 g
Storage temperature
-20…+70°C
Operating temperature
-10…+50°C
Humidity
20…80%
Reference temperature
+23 ± 2°C
Reference humidity
40…60%
Altitude
<2000 m
Auto-off time
Max. 900 seconds
Number of Z-measurements (for rechargeable batteries)
>5000 (2 medições/minuto)
Display
LCD segmentado
Quality standards
Developed, designed and manufactured to ISO 9001 standards
The instrument is compatible with the requirements of
IEC 61557
The instrument complies with
EN 61326-1 y EN 61326-2-2
Image: Standard accessories: red crocodile clip 1 kV 20 A (WAKRORE20K02), 1 kV tip probes red and blue, 1.2 m 1 kV banana cables red and blue, M1 meter harness (WAPOZSZE4), M1 hook bracket (WAPOZUCH1) and M10 case (WAFUTM10).Image: Standard accessories: red 1 kV 20 A crocodile clip, red and blue 1 kV probes, 1.2 m red and blue leads, M1 harness, M1 hook holder and M10 case; additional accessories: AGT adapters for single- and three-phase 16/32 A industrial sockets and 10 m red 1 kV lead.
AMZC-304
Short-circuit loop impedance meter
Measuring loop impedance without tripping the differential circuit breaker
Features
If a light and handy short-circuit fault meter is needed, the AMZC-304 is the best choice. The equipment is very useful for various electrical works (even the simplest), in places with low voltage networks, which can be: electrical systems in homes and buildings, as well as in public facilities and in small workshops or factories.
Measured parameters
Short-circuit loop impedance
Loop impedance measurement without tripping the differential circuit breaker
Short-circuit resistance rs and reactance Xs
Short circuit current Ik
Measurement of low voltage resistance of circuits protection and splicing
Image: Sonel MZC-304 loop impedance meter in orange housing, display showing 223.8 V and an L-N loop impedance of 0.73 Ω, with keypad and rotary selector.
Voltage and frequency
Detection of the replacement of l and n at the plug and automatic changeover at the meter
Quickly check the correct cable connection of Pe with the tactile electrode
Image: Measurement category CAT III 600 V.Image: IP67 protection rating icon: dust-tight and protected against temporary immersion in water.Image: Measurement category rating badge: CAT IV 300 V.
Technical specifications
Short-circuit loop impedance measurement
ZL-PE, ZL-N, ZL-L
Measurement using in accordance with IEC 61557-3: 0,13...1999 Ω
Measurement using in accordance with IEC 61557-3: 0,5...1999 Ω
AC voltage measurement: 0...500 V
Gama
Resolution
Accuracy
0,00...19,99 Ω
0,01 Ω
±(6% v.m. + 10 digits)
20,0...199,9 Ω
0,1 Ω
±(6% v.m. + 5 digits)
200...1999 Ω
1 Ω
±(6% v.m. + 5 digits)
Rated operating voltage UnL-N/UnL-L: 220/380 V, 230/400 V, 240/415V
Operating voltage range: 180...270 V (for ZL-PE and ZL-N) and 180...440 V (for ZL-L)
Nominal mains frequency fn: 50 Hz, 60 Hz
Frequency operating range: 45...65 Hz
Maximum current measurement: 7.6 A for 230 V (3 x 10 ms) and 13.3 A for 400 V (3 x 10 ms)
Rated operating voltage Un: 220 V, 230 V, 240 V
Operating voltage range: 180...270 V
Nominal mains frequency fn: 50 Hz, 60 Hz
Frequency operating range: 45...65 Hz
Verification of the correct connection of the PE terminal with the help of the touch electrode
Calculation of the short-circuit current at rated voltage
Short-circuit resistor RS and reactance XS
Gama
Resolution
Accuracy
0,00...9,99 Ω
0,01 Ω
±(5% v.m. + 5 digits)
20,00…199,99 Ω
0,1 Ω
±(5% v.m. + 5 digits) of the value of ZS
Calculated and displayed for ZS<200 Ω
Medição de resistência de baixa corrente
Gama
Resolution
Accuracy
0,00...199,9 Ω
0,1 Ω
0,00...199,9 Ω 200…1999 Ω
0,1 Ω 1 Ω
±(3% v.m. + 3 digits)
200…1999 Ω
1 Ω
Voltage with open terminals 4...9 V DC
Output current ISC < 8 mA
Acoustic signal for measured resistances <30 Ω ± 50%,
Test lead resistance compensation
Voltage measurement
Gama
Resolution
Accuracy
0…299,9 V
0,1 V
±(2% v.m. + 6 digits)
300…500V
1 V
±(2% v.m. + 2 digits)
Frequency range 45...65Hz
Test results update: twice a second
Short-circuit resistance RS for ZL-PE [RCD] and reactance XS
Gama
Resolution
Accuracy
0,00...19,99 Ω
0,01 Ω
±(6% v.m. + 10 digits) dof the value of ZS
20,00…199,99 Ω
0,1 Ω
±(5% v.m. + 5 digits) of the value of ZS
Calculated and displayed for ZS<200 Ω
Continuity measurement of equipotential bonding and protective conductors with current ±200 mA
Gama
Resolution
Accuracy
0,00…19,99 Ω
0,01 Ω
20,00…199,9 Ω
0,1 Ω
±(2% v.m. + 3 digits)
200…1999 Ω
1 Ω
Voltage with open terminals 4...9 V DC
Output current at R < 2 Ω: min 200mA (ISC: 200....250mA)
Resistance compensation of test leads
Measurement for both current polarisations
Frequency measurement
Gama
Resolution
Accuracy
45,0….65,0 Hz
0,1 Hz
±(0,1% v.m. + 1 digit)
Voltage range: 50....500 V
Electrical safety
Type of insulation
double, according to EN 61010-1 and IEC 61557
Measurement category
III 300 V according to EN 61010-1
Protection according to EN 60529
IP67
Other technical data
FPower supply
LR6 alkaline batteries or rechargeable batteries Lithium Ion AA (4 units)
Dimensions
220 x 98 x 58 mm
Instrument weight with batteries
aprox . 0,6 kg
Storage temperature
-20…+70°C
Operating temperature
0…+50°C
Humidity
20…90%
Reference temperature
+23 ± 2°C
Reference humidity
40…60%
Altitude
<2000 m
Auto-off time
120 seconds
Number of Z-measurements (for rechargeable batteries)
>5000 (2 measurements/minute)
Display
LCD segmentado
Quality standards
Developed, designed and manufactured to ISO 9001 standards
The instrument is compatible with the requirements of
IEC 61557
The instrument complies with
EN 61326-1 y EN 61326-2-2
Image: Hand holding an orange handheld tester with display and rotary selector next to a PCE industrial socket box.
AMZC-306
Short-circuit loop impedance meter
Short-circuit fault meter professional and lightweight
Product features
Image: Sonel MZC-306 loop impedance meter with display showing L1-2 and 0.63 Ω, keypad and rotary selector.
Parâmetros adicionais
Image: Rating badges: CAT IV 600 V, CAT III 1000 V, IP54 protection and up to 750 V.
Thanks to the wide range of operating voltages, the MZC306 allows measurements in various types of networks. The equipment is very useful for various electrical works (even simple ones), in low-voltage locations, including homes, buildings, public facilities and small workshops or factories.
Voltage measurement up to 750 V AC (up to 250 V with 0.1 V resolution)
990 memory points, USB PC connection
Powered by rechargeable batteries (or not, 4 x LR14)
Quickly check the correct PE cable connection with the touch electrode
Measured parameters
Loop impedance measurement with 0.01 Ω resolution.
Loop impedance measurement without tripping the differential switch ≥30 mA with a resolution of 0.01 Ω (100...440 V)
Measurements possible on 110/190 V, 115/200 V, 127/220 V, 220/380 V, 230/400 V, 240/415 V, 290/500 V, 400/690 V installations (range 100...750 V)
Operating frequency 45...65 Hz
Short circuit current Ik
Automatic phase detection, or voltage between phases
Measurements using Uni-Schuko adapter or 1, 2, 5, 10 and 20 m test leads
Measurement with the conductors L and N interchanged
Short-circuit resistor RS and reactance XS
Image: Orange installation tester connected with red, yellow and blue leads to 500 V industrial sockets, showing a reading of 0.11 on screen.
Technical specifications
Short-circuit loop impedance measurement
ZL-PE, ZL-N, ZL-L
MMeasurement using according to IEC 61557-3: 0.13...1999 Ω for 1.2m test prods 0.25...1999 Ω for Uni-Schuko adaptor
Gama
Resolution
Accuracy
0,00...19,99 Ω
0,01 Ω
±(5% v.m. + 3 digits)
20,0...199,9 Ω
0,1 Ω
±(4% v.m. + 3 digits)
200...1999 Ω
1 Ω
±(4% v.m. + 3 digits)
Rated operating voltage UnL-N/UnL-L: 110/190 V, 115/200 V, 127/220 V, 220/380 V, 230/400 V, 240/415 V, 290/500 V, 400/690 V • Operating voltage range: 100...440 V (for ZL-PE and ZL-N) and 100...750 V (for ZL-L)
High current measurement (up to 30 A)
Frequency operating range: 45...65 Hz
Measurement is also possible when the L and N circuits are interchanged.
Measurement of resistances and reactances
Short-circuit current calculation
Voltage measurement
Gama
Resolution
Accuracy
0,0…249,9 V
0,1 V
±(2% v.m. + 4 digits)
250…750V
1 V
±(2% v.m. + 2 digits)
Measurement available for all loop configurations of short-circuit (ZL-PE, ZL-PE [RCD] e ZL-N, ZL-L)
Image: Instrument in an open grey rugged case: panel with orange-framed display, rotary knob, buttons and red, blue and yellow terminals.
Features
Measurement of very low short-circuit loop impedances (with resolution 0.1 mΩ) with a current of 130 A at 230 V; max. 300 A at 550 V or with a current 24 A at 230 V, max. 30 A at 550 V (with resolution 0.01 Ω)
Measurements in installations with nominal voltages between: 110/190 V, 115/200 V, 127/220 V, 220/380 V, 230/400 V, 240/415 V and 290/500 V and frequencies 45...65 Hz.
Ability to perform short-circuit system measurements: phase-to-phase, phase-to-protection, phase-to-neutral
Differentiation between phase voltage and interphase voltage when calculating the short-circuit current
Possibility to change the length of the test cable
Four-pole method, test leads do not require calibration (measurement with 300 A current).
Measurement of touch voltage and surge voltage with 1 kω resistor).
Measurement of AC voltage in the range 0...550V.
Memory for 999 measurement results with the ability to transfer the data to a PC.
Ability to transmit date via USB.
The meter meets the requirements of PN-EN 61557
Technical specifications
Voltage measurements (True RMS)
Gama
Resolution
Accuracy
0...550 V
1 V
±(2% v.m. + 2 digits)
Frequency range: DC, 45...65 Hz
UST touch voltage and UT surge voltage measurements
Gama
Resolution
Accuracy
0...100 V
1 V
±(10% v.m. + 2 digits)
Input impedance of the voltmeter: 200 kΩ
MEASUREMENT OF SHORT-CIRCUIT LOOP PARAMETERS USING STANDARD CURRENT (2P, IMAX=30 A)
Frequency measurements (for voltages in the range 5...550 V)
High short-circuit loop impedance measurement current Z
Gama
Resolution
Accuracy
45,0...65,0 Hz
0,1 Hz
±(0,1% v.m. + 1 digit)
Measuring range acc. to IEC61557: 0.13 Ω...199.9 Ω for 1.2 m long test leads
MEASUREMENT OF THE SHORT-CIRCUIT LOOP PARAMETERS USING A HIGH CURRENT (4P, IMAX=300 A)
Gama
Resolution
Accuracy
0,00...19,99 Ω
0,01 Ω
±(2% m.v. + 3 digits)
20…199,9 Ω
0,1 Ω
±(3% m.v. + 3 digits)
High short-circuit loop impedance measurement current Z
Display range of short-circuit resistance R and reactance X
Measuring range acc. to IEC61557: 7.2 mΩ...1999 mΩ
Gama
Resolution
Accuracy
0,00...199,9 Ω
0,1 mΩ
±(2% m.v. + 2 mΩ)
200…1999 Ω
1 mΩ
±(2% m.v. + 2 mΩ)
200…1999 Ω
1 mΩ
Gama
Resolution
Accuracy
0,00...19,99 Ω
0,01 Ω
±(2% m.v. + 3 digits) impedance reading for a given measurement
20…199,9 Ω
0,1 Ω
±(3% m.v. + 3 digits) impedance reading for a given measurement
Display range of short-circuit resistance R and reactance X
Gama
Resolution
Accuracy
0,00...199,9 Ω 200…1999 Ω
0,1 mΩ 1 mΩ
±(2% m.v. + 2 mΩ) impedance reading for a
200…1999 Ω
1 mΩ
given measurement
Short circuit current readings
Gama
Resolution
Accuracy
1,150...1,999 A
0,001 A
2,00...19,99 A
0,01 A
20,0...199,9 A 200...1999 A
0,1 A 1 A
The accuracy of the calcula- ted indication, respectively, by the use of the resistance measurement
2,00...19,99 kA
0,01 kA
20,0...40,0 kA
0,1 kA
Frequency range 45...65Hz
Test results update: twice a second
Short-circuit current indication
Measuring range according to IEC 61557 for: Un = 230 V 115,0 A...32,0 kA Un = 400 V 200 A...55,7 kA Un = 500 V 250 A...69,4 kA
Gama
Resolution
Accuracy
115,0...199,9 A
0,1 A
200...1999 A
1 A
The accuracy of the calcula-
2,00...19,99 kA
0,01 kA
ted indication, respectively, by the use of the resistance measurement
20,0...199,9 kA
0,1 kA
measurement
200 kA...*
1k A
“m.v. - measured value.
* 230 kA for ULN 400 kA forULL
Electrical safety
Type of insulation
double, according to EN 61010-1 and IEC 61557
Measurement category
IV 600 V according to EN 61010-1
Protection according to EN 60529
IP20 (IP67 with front cover closed)
Other technical data
Power supply
Built in Li-Ion 7.2 V/8.8 Ah
Current-limiting resistor: for 4-pole 4p method for the two-pole 2p method
Image: Instrument in an open grey rugged case: panel with orange-framed display, rotary knob, buttons and red, blue and yellow terminals.
Features
MMeasurement of very low short-circuit loop impedances (with 0.1 mΩ resolution) with a current of 130 A at 230 V; max. 300 A at 750 V or with a current 24 A at 230 V, max. 30 A at 750 V (with 0.01 Ω resolution)
Measurements in installations with nominal voltages between: 110/190 V, 115/200 V, 127/220 V, 220/380 V, 230/400 V, 240/415 V, 290/500 V and 400/690 V and frequencies 45...65 Hz,
Ability to perform short-circuit system measurements: phase-to-phase, phase-to-protection, phase-to-neutral
Differentiation between phase voltage and interphase voltage when calculating the short-circuit current
Ability to change test cable length
Four-pole method, test leads do not require calibration (measurement with 300 A current).
Measurement of touch voltage and surge voltage with 1 kΩ resistor).
Measurement of AC voltage in the range 0...750V.
Memory of 999 measurement results with ability to transfer data to a PC
Data transmission capability via USB and Bluetooth.
The meter complies with the requirements of PN-EN 61557.
Technical specifications
Voltage measurements (True RMS)
Gama
Resolution
Accuracy
0...550 V
1 V
±(2% v.m. + 2 digits)
Frequency range: DC, 45...65 Hz
UST touch voltage and UT surge voltage measurements
Gama
Resolution
Accuracy
0...100 V
1 V
±(10% v.m. + 2 digits)
Input impedance of the voltmeter: 200 kΩ
MEASUREMENT OF SHORT-CIRCUIT LOOP PARAMETERS USING STANDARD CURRENT (2P, IMAX=30 A)
Frequency measurements (for voltages in the range 5...550 V)
Gama
Resolution
Accuracy
45,0...65,0 Hz
0,1 Hz
±(0,1% v.m. + 1 digit)
High short-circuit loop impedance measurement current Z
Measuring range acc. to IEC61557: 0.13 Ω...199.9 Ω for 1.2 m long test leads
MEASUREMENT OF SHORT-CIRCUIT LOOP PARAMETERS USING HIGH CURRENT (4P, IMAX=300 A)
Gama
Resolution
Accuracy
0,00...19,99 Ω
0,01 Ω
±(2% m.v. + 3 digits)
20…199,9 Ω
0,1 Ω
±(3% m.v. + 3 digits)
High short-circuit loop impedance measurement current Z
Display range of short-circuit resistance R and reactance X
Measuring range acc. to IEC61557: 7.2 mΩ...1999 mΩ
Gama
Resolution
Accuracy
0,00...199,9 Ω
0,1 mΩ
±(2% m.v. + 2 mΩ)
200…1999 Ω
1 mΩ
±(2% m.v. + 2 mΩ)
200…1999 Ω
1 mΩ
Gama
Resolution
Accuracy
0,00...19,99 Ω
0,01 Ω
±(2% m.v. + 3 digits) impedance reading for a given measurement
20…199,9 Ω
0,1 Ω
±(3% m.v. + 3 digits) impedance reading for a given measurement
Display range of short-circuit resistance R and reactance X
Gama
Resolution
Accuracy
0,00...199,9 Ω
0,1 mΩ
±(2% m.v. + 2 mΩ)
200…1999 Ω
1 mΩ
impedance reading for a
200…1999 Ω
1 mΩ
given measurement
Short circuit current readings
Gama
Resolution
Accuracy
1,150...1,999 A
0,001 A
2,00...19,99 A
0,01 A
20,0...199,9 A 200...1999 A
0,1 A 1 A
The accuracy of the calcula- ted indication, respectively, by the use of the resistance measurement
2,00...19,99 kA
0,01 kA
20,0...40,0 kA
0,1 kA
Frequency range 45...65Hz
Test results update: twice a second
Short-circuit current indication
Measuring range according to IEC 61557 for: Un = 230 V 115,0 A...32,0 kA, Un = 400 V 200 A...55,7 kA Un = 500 V 250 A...69,4 kA, Un = 690 V 345 A...95,8 kA,
“m.v. - measured value.
Gama
Resolution
Accuracy
115,0...199,9 A
0,1 A
200...1999 A
1 A
The accuracy of the calcula-
2,00...19,99 kA
0,01 kA
ted indication, respectively, by the use of the resistance measurement
20,0...199,9 kA
0,1 kA
measurement
200 kA...*
1k A
* 230 kA for ULN 400 kA for ULL
Electrical safety
Type of insulation
double, according to EN 61010-1 and IEC 61557
Measurement category
IV 600 V according to EN 61010-1
Protection according to EN 60529
IP20 (IP67 with front cover closed)
Other technical data
Power supply
Built in Li-Ion 7.2 V/8.8 Ah
Current-limiting resistor: for 4-pole 4p method for the two-pole 2p method
1,8 Ω 1,8 Ω pour U≤253 V, 2,5 Ω for U>253 V 9,4 Ω pour U≤253 V, 19 Ω for U>253 V
Number of short-circuit loop measurements
2000 (4/min)
Temperature coefÏcient
±0.1% measured value /°C
Dimensions
390 mm x 310 mm x 170 mm
Weight
6,6 kg
Rated operating conditions:
0...+40 °C
Image: UNIÓN EUROPEA
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