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Multifunction tester for efficient and reliable testing of low voltage installations
Tester for fast, efficient certification, maintenance and fault diagnosis on low voltage installations, including EV charge points and domestic photovoltaic systems.
About the product
About the product - The MFT-X1 delivers fast, efficient and reliable testing of electrical installations in line with the latest standards. Its intuitive colour-coded interface ensures ease of use, while advanced technology features save time and guarantee dependable results.
The True Loop™ impedance measurement technology incorporates the patented Confidence Meter™ which together eliminates the challenges of loop testing, providing accurate results even in noisy electrical environments. Coupled with automated RCD testing, it significantly reduces on-site time and increases productivity.
Its intuitive colour-coded interface matches the rotary dial to the screen, ensuring clear operation even in poor lighting conditions The rapid tool-free battery swapping feature and rugged IP54 design mean you can work without interruption in any environment, maximising your efficiency on every job.
The MFT-X1 is built for the future. With a user upgradeable operating system, you can easily update your instrument to the latest regulations and standards via a simple microSD card update. This future-proofing extends to emerging technologies too. When paired with the EVCA adaptor, the MFT-X1 becomes a comprehensive solution for EV charge point installation certification, ensuring you're equipped for the growing electric vehicle market.
Seamless integration with CertSuite™ Installation captures test results and generates professional reports and certificates in seconds, saving operational work hours in a few simple clicks.
SPECIFICATIONS
FUNCTIONAL SUMMARY
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Voltage measurement |
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Voltage range |
0.001 V to 2 V (mV range) 2 V to 600 V (V range), 1000 V DC (Non-CAT rated circuits) |
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Voltage type: |
Trms, AC, DC |
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Phase sequence |
Automatic phase sequence testing on detection of valid three phase supplies |
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Current measurement (non-contact) |
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AC Trms |
Using optional accessories: MCC1010 current clamp |
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Measurement Range |
MCC1010: 1 mA to 300 A |
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Continuity/Resistance |
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Measurement range Digital display |
0.01 Ω to 999 kΩ Auto-ranging |
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Measurement Range Analogue arc |
0 Ω to 1 MΩ log scale |
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Test voltage |
4 V DC to 5 V DC |
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Test current (Nominal) |
>200 mA 0 Ω >< 2 Ω 10 mA Auto reduction on high resistance (actual current reported in display) |
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Test polarities |
Forward polarity |
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Buzzer resistance range |
> 0.01 Ω < 2 kΩ |
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Buzzer threshold |
0.3, 0.5, 1, 2, 3, 4, 5, 10, 20, 30, 40, 50, 100, 200 Ω |
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Insulation testing |
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Measurement range Digital display |
0.001 MΩ to 999 MΩ Auto-ranging |
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Measurement range Analogue arc |
0.001 MΩ to >1000 MΩ log scale |
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Insulation test voltages |
50 V DC to 1000 V DC + Variable 50 V to 999 V |
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Test current |
1 mA to 2 mA |
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Stabilised output voltage |
Output test voltage stabilised to -0% +2% +2 V |
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True Loop™ loop impedance testing |
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2 Wire – all modes |
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Test types |
Mode 1: Non-Trip |
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Mode 2: High current |
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Mode 3: High resolution |
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Resolution |
Non-Trip: 0.01 Ω |
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High current: 0.01 Ω |
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High resolution: 0.001 Ω |
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Voltage range |
Non-trip: 48 V AC to 280 V AC |
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High current: 48 V AC to 550V AC |
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High resolution: 48 V AC to 550 V AC |
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Frequency range |
45 Hz to 65 Hz (all modes) |
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3 Phase testing |
Non-trip: Single phase only |
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High current: Three phase |
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High resolution: Three phase |
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3 wire – non-trip |
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Test types |
RCD (non-trip) RCD EV (non-trip on 6mA EV RDCs) |
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Resolution |
0.01 Ω |
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Voltage range |
48 V AC to 280 V |
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Frequency range |
45 Hz to 65 Hz |
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3 Phase testing |
Single phase only |
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Volt drop |
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Volt drop calculation |
Requires Zref (Ze) and circuit current (I-vdrop) |
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Accuracy |
Dependent on loop impedance accuracy |
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RCD testing |
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RCD types supported |
Type AC, A, B, AC(S), A(S), B(S) |
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Auto RCD sequence |
1 / 2x I∆n, 1x I∆n, 2x I∆n, 5x I∆n, Ramp, 0º / 180º (customer configurable) |
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Ramp testing |
10 mA to 1000 mA |
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RDC testing |
6 mA RDC |
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Fault (Touch) voltage |
0 V to 253 V |
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Earth testing |
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2 wire |
2 wire earth resistance test |
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3 wire |
3 wire earth resistance |
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3 wire ART |
3 wire testing with additional MCC1010 current clamp |
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Stakeless |
Stakeless testing using the MCC1010 and MVC1010 clamps |
SPECIFICATIONS
Voltage measurement
|
Function |
Range |
Accuracy |
|
Voltage DC |
0 V – ±1000 V |
±1% ± 3 digits |
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Voltage AC/TRMS |
0 V – 600 V (15 – 500 Hz) |
±2% ± 1 digits |
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Frequency |
15 Hz – 99 Hz 100 Hz – 500 Hz |
±0.5% ± 2 digit ±2.0% ± 2 digit |
Millivolt measurement
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Function |
Range |
Accuracy |
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mV AC/TRMS |
0 mV to 1999 mV (50 / 60 Hz) |
±1% ± 3 digits |
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mV DC |
0 mV to ±1999 mV |
±1% ± 3 digits |
Live Earth detection
Indicates if the PE terminal is live when selecting the Loop or RCD test ranges. The relevant Loop or RCD test is inhibited.
Current
|
Function |
Range |
Accuracy |
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Current AC/TRMS |
0.001 A – 0.100 A |
±2% ±3 digits |
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0.100 A – 2.000 A |
±2% ±3 digits |
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2.00 A – 20.00 A |
±2% ±3 digits |
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20.0 A – 300.0 A |
±2% ±3 digits |
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Frequency Bandwidth |
15 Hz – 500 Hz |
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Influence of Frequency |
30 Hz – 500 Hz ≤0.25 % |
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Resistance and Continuity
|
Function |
Range |
Test Current |
Accuracy |
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200 mA |
0.01 Ω – 99.9 Ω |
(0 Ω – 2 Ω) 205 mA ±5 mA |
±3% ±2 digits |
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10 mA |
0.01 Ω – 99.9 Ω |
10 mA |
±3% ±2 digits |
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100 Ω – 999 kΩ |
±5% ±2 digits |
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Open circuit voltage |
4 V to 5 V |
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EN61557-4 Measurement Range: 0.10 Ω to 999 kΩ.
Safety and electrical protection
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Safety rating: |
CAT III 600 V / CAT IV 300 V to EN 61010, IEC 61010-031 : 2015, IEC 61010-030. |
Safety category rating valid to altitude of 2000 m. |
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Live voltage: |
Active live voltage protection to 600 V between any test terminals without blowing a fuse. Live voltage warning on display and audible when >5 V is applied between any test terminals. Fuse protected to 1000 V, fuses are not user changeable. |
Insulation test
|
Function |
Range |
Accuracy |
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1000 V |
0.001 – 999 MΩ |
±3% ±2 digits |
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500 V |
0.001 – 500 MΩ |
±3% ±2 digits |
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> 500 MΩ |
±10% |
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250 V |
0.001 – 250 MΩ |
±3% ±2 digits |
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> 250 MΩ |
±10% |
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100 V |
0.001 – 100 MΩ |
±3% ±2 digits |
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> 100 MΩ |
±10% |
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50 V |
0.001 – 50 MΩ |
±3% ±2 digits |
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> 50 MΩ |
±10% |
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VAR 50 V – 999 V |
Leakage current > 1 mA |
±3% ±2 digits |
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Leakage current < 1 mA |
±10% |
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Leakage current |
0.1 µA – 1.99 mA |
±10% |
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Output voltage |
-0% +2% +2 V at rated load or less |
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Voltage display |
±1% ± 3 V |
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Short circuit current |
1.5 mA nominal |
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Test current on load |
1 mA at min pass values of insulation |
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Maximum capacitance |
2 µF for a stable reading, 5 µF absolute limit |
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EN61557-2 Measurement Range: 0.10 MΩ to 999 MΩ.
Loop 2-Wire – No RCD (L-PE, L-N or L-L)
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Function |
Range |
Accuracy |
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2-Wire HR |
0.001 – 9.999 |
±2% ±0.030 Ω |
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2-Wire |
0.01 Ω – 9.99 Ω |
±2% ±5 digits |
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10.0 Ω – 99.9 Ω |
±10% ±5 digits |
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100 Ω – 1999 Ω |
±10% ±5 digits |
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Supply Voltage |
48 V – 550 V |
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Supply Frequency |
45 Hz – 65 Hz |
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Can be used to measure supply source resistance quickly and reliably between Line and PE or two Live conductors up to 550 V.
EN61557-3 Measurement Range: 0.30 Ω to 1999 Ω
Loop 2-Wire L-PE with RCD
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Function |
Range |
Accuracy |
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0.01 Ω – 1999 Ω |
±10% ±5 digits |
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Supply Voltage |
48 V – 280 V |
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Supply Frequency |
45 Hz – 65 Hz |
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Note: Uses the Megger Confidence Meter to measure the supply source impedance of circuits protected with an RCD rated
≥30 mA when there are only two connections possible. When a neutral is available the three-wire test will provide a quicker, more accurate result.
Note: RCD may trip if there are high leakage currents in the circuit under test. This measurement is immune to the effect of inductance found in some RCDs as it measures resistance (RCD Uplift).
EN61557-3 Measurement Range: 1.00 Ω to 1999 Ω
Loop 3-Wire L-PE with RCD
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Designation |
Test Current |
Application |
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RCD |
15 mA |
For circuits protected by an RCD rated <= 30 mA |
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RDC EV |
3 mA |
For EV charger circuits protected by a RDC and a Type A RCD rated <= 30 mA |
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Function |
Range |
Accuracy |
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0.01 Ω – 9.99 Ω |
±2% ±5 digits |
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10.0 Ω – 199 9 Ω |
±10% ±5 digits |
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Supply Voltage |
48 V – 280 V |
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Supply Frequency |
45 Hz – 65 Hz |
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Note: Uses the Megger Confidence Meter to measure the supply source impedance of circuits protected with an RCD when three connections are possible. The L-N Loop resistance needs to be less than 12 Ω. The resistances of the L-PE, L-N and N-PE loops
are all shown, and the accuracy of the L-PE resistance depends on the maximum resistance displayed. When the neutral is not available the two-wire test must be used.
Note: RCD may trip if there are high leakage currents in the circuit under test. This measurement is immune to the effect of inductance found in some RCDs as it measures resistance.
EN61557-3 Measurement Range: 1.00 Ω to 1999 Ω
RCD Tests Types A and AC
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RCD Types |
AC, A, AC(S), A(S) |
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RCD Rated Current (IΔn) |
10 mA, 30 mA, 100 mA, 300 mA, 500 mA, 650 mA, 1000 mA, VAR |
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½ I no-trip Test Current |
-10% – +0% 0.5 IΔn |
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1 I, 2 I, 5 I trip test – AC current |
-0% – +10% M • IΔn |
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1 I, 2 I, 5 I trip test – pulsed DC current |
-0% – +10% 1.4 • M • IΔn |
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Trip time |
±10% |
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Ramp trip test current |
±5% |
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Fault Voltage (0 V – supply) |
+5% +15% ±0.5 V |
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Supply Voltage |
48 V – 280 V |
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Supply Frequency |
45 Hz – 65 Hz |
Type B
|
RCD Types |
B, B(S) |
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RCD Rated Current (IΔn) |
10 mA, 30 mA, 100 mA, 300 mA, 500 mA |
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½ I no-trip Test Current |
-10% – +0% (0.5 IΔn) |
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1 I, 2 I, 5 I trip test Current |
-0% – +10% (2 IΔn) |
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Trip time |
±10% |
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Trip current (ramp) |
±5% |
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Fault Voltage (0 V – supply) |
+5% +15% ±0.5 V |
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Supply Voltage |
48 V – 280 V |
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Supply Frequency |
45 Hz – 65 Hz |
RDC (Type EV) with a 30 mA Type A RCD
|
Test current |
2.0 mA increasing to 6.3 mA before being held at that current for 10s. |
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Trip time |
±1% ±1 ms |
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Trip current (ramp) |
± 5% |
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Fault Voltage (0 V – supply) |
+5% +15% ±0.5 V |
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Supply Voltage |
48 V – 280 V |
|
Supply Frequency |
45 Hz – 65 Hz |
Earth
|
Function |
Range |
Accuracy |
|
2-Wire test |
0.01 Ω – 1999 Ω |
±2% ±3 digits |
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Test Frequency |
128 Hz |
|
|
Test Current |
4.5 mA |
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Maximum auxiliary electrode resistance (3-wire test) |
5 kΩ |
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Note: The 2-wire earth test measures resistance between the blue and green terminals using a 128 Hz square wave; the result includes the resistance of test leads.
EN61557-5 Measurement Range: 1 Ω to 1999 Ω.
|
Function |
Range |
Accuracy |
|
3 wire test |
0.01 Ω to 1999 Ω |
±2% ±3 digits |
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Test frequency |
128 Hz |
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Test current |
25 V, 4.5 mA |
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|
Maximum auxiliary electrode resistance |
5 kΩ for 25V |
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|
Function |
Range |
Accuracy |
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3P ART |
0.01 Ω to 1999 Ω |
±5% ±3 digits |
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Test frequency |
128 Hz |
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Test current |
25 V, 4.5 mA |
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Minimum test current through the clamp |
5 % |
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Maximum auxiliary electrode resistance |
5 kΩ for 25V or 100 kΩ for 50 V |
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EN 61557-5 Measurement Range: 1 Ω to 1999 Ω.
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Function |
Range |
Accuracy |
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Stakeless |
1.0 Ω to 60 Ω |
±7% ±5 digits |
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Test frequency |
128 Hz |
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EN 61557-5 Measurement Range: 1.00 Ω to 40.0 Ω.
Power supply
|
Li-ion rechargeable |
7.2 V DC 4400 mAh (non-serviceable) + charge status indication |
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Battery charger (Li-ion) |
Input: 110 V / 230 V AC, 50/60Hz, 1.3 A Output: 3 A, 8.4 V DC |
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Battery life (Li-ion) |
Li-ion: 4400 mAh = >15 hrs* Continuity: Approximately 2000 tests using Li-ion battery (0.5s test every 30s per EN 61557) Insulation: Approximately 1400 tests using Li-ion battery (0.5s test every 30s per EN 61557) Earth: Approximately 1600 tests using Li-ion battery *times based on typical daily test profile |
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Battery charging time |
Li-ion: 2.5 to 3 hrs (ambient temperature dependent) |
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LR6 (AA) battery module |
8 x LR6 (AA) Alkaline batteries |
Environmental
|
Conditions |
Range |
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Operating Temperature |
-10 °C to +55 °C |
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Storage Temperature |
-25 °C to +70 °C |
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Operating Humidity |
90% R.H. at +40 °C max |
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Ingress Protection |
IEC 60529: IP 54 : Equipment is protected against ingress of dust and water splashes and is suitable for indoor and outdoor use. |
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Vibration |
MIL-PRF-28800F:class 2 |
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Maximum operating altitude |
2000 m |
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Pollution degree |
2 |
Mechanical
|
Length |
274 mm (10.79 ”) |
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Width |
96 mm (3.78 ”) |
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Depth |
143 mm (5.63 ”) |
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Weight – Instrument only |
1.57 kg (3.46 Ib) |
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Shipping weight |
5.6 kg (12.35 ib) |