Installation tester MFT

Application

Electrics

eMobility

COM port

USB

Continuity test (low current measurement) accuracy

± (5% + 3 Digit)

Continuity test (low current measurement) measuring range (MΩ)

0,1 - 1999

Continuity test (low current measurement) open-circuit voltage

5 V DC

Continuity test (low current measurement) resolution (MΩ)

(0,10 - 99,99) 0,1 / (100 - 1999) 1

Continuity test (low current measurement) short-circuit current

Max. 7 mA

Continuity test (low current measurement) test lead compensation

Max. 5 Ω

Device weight without batteries

1300 g

Earth resistance, max. probe resistance Rs

100 RE or 50 kΩ (priority to the lower value)

Earth resistance accuracy

± (5% + 5 Digit)

Earth resistance additional error at 3 V voltage noise (50 Hz)

± (5% + 10 Digit)

Earth resistance additional error of sensor resistance at Rhmax or Rsmax

± (10% + 10 Digit)

Earth resistance max. resistance Rh auxiliary earth electrode

100 RE or 50 kΩ (priority to the lower value)

Earth resistance measuring range (Ω)

1,0 - 9999

Earth resistance open-circuit voltage

< 30 V AC

Earth resistance resolution (Ω)

(1,0 - 19,99) 0,01

(20 - 199,9) 0,1

(200 - 9999) 1

Earth resistance short-circuit current

< 30 mA

Earth resistance test voltage frequency

126,9 Hz

Earth resistance type of test voltage

Sine wave

FI/RCD test RCD type

General (G, non-delayed), selective (S, time-delayed), EVSE

FI/RCD test accuracy

-0 / +0,1 IΔ; IΔ = IΔN, 2 IΔN, 5 IΔN

-0,1 IΔ / +0; IΔ = ½ IΔN

FI/RCD test input polarity of the test current

0°, 180°

FI/RCD test rated residual current

6 mA, 10 mA, 30 mA, 100 mA, 300 mA, 500 mA, 1000mA

FI/RCD test type of test current

Sine (AC), DC (B), pulsed (A)

FI/RCD test voltage range

93 - 134 V; 185 - 266 V, 45 - 65 Hz

Fault loop impedance. Fault loop impedance RCD type A, 30 mA, trip lock (no trip) and different RCD type and trip lock (no trip) rated input voltage Un

115 V 230 V

Fault loop impedance. Fault loop impedance RCD type A, 30 mA, trip lock (no trip) and different RCD type and trip lock (no trip) voltage range

93 V ≤ U L-PE < 134 V

185 V ≤ U L-PE ≤ 266 V

Fault loop impedance and prospective short-circuit current Zs (L-PE, mode without RCD), Ik (with RCD tripping) accuracy

Observe the accuracy of the fault loop impedance measurement

± (5% + 5 Digit)

Fault loop impedance and prospective short-circuit current Zs (L-PE, mode without RCD), Ik (with RCD tripping) measuring range (A)

0,00 - 19,99

1,00 k - 9,99 k

10,0 k - 100 k

20,00 - 99,9

100 - 999

Fault loop impedance and prospective short-circuit current Zs (L-PE, mode without RCD), Ik (with RCD tripping) measuring range (Ω)

0,2 - 9999

Fault loop impedance and prospective short-circuit current Zs (L-PE, mode without RCD), Ik (with RCD tripping) resolution (A)

0,01

0,1

100

Fault loop impedance and prospective short-circuit current Zs (L-PE, mode without RCD), Ik (with RCD tripping) resolution (Ω)

(0,20 - 19,99) 0,01

(20 - 99,9) 0,1

(100 - 9999) 1

Fault loop impedance and prospective short-circuit current Zs (L-PE, mode without RCD), Ik (with RCD tripping) test current at 230 V

3.4 V, 50 Hz sine wave ≤ (10 ms ≤ t LAST ≤ 15 ms)

Fault loop impedance rated voltage range

93 - 134 V; 185 - 266 V, 45 - 65 Hz

Insulation resistance measurement (Riso) accuracy

± (2% + 3 Digit)

± (3% + 3 Digit)

± (5% + 3 Digit)

± (10%)

Insulation resistance measurement (Riso) current measurement

Min. 1 mA (Rn = Un 1kΩ/V)

Insulation resistance measurement (Riso) measuring range (MΩ)

200 - 999

Insulation resistance measurement (Riso) measuring range (MΩ) rated voltage 50 V DC

0,1 - 80,0

Insulation resistance measurement (Riso) measuring range (MΩ) rated voltages 100 V DC and 250 V DC

0,1 - 199,9

Insulation resistance measurement (Riso) measuring range (MΩ) rated voltages 500 V DC and 1000 V DC

0,1 - 199,9

Insulation resistance measurement (Riso) measuring range (V)

0 - 1200

Insulation resistance measurement (Riso) number of tests

Max. 1000 (with 2300-mAh-batteries)

Insulation resistance measurement (Riso) open-circuit voltage

0 % – 20 % of the rated voltage

Insulation resistance measurement (Riso) resolution (MΩ)

(0,100 - 1,999) 0,001 / (2,00 - 80,00) 0,01

(0,100 - 1,999) 0,001 / (2,00 - 99,99) 0,01 / (100,0 - 199,9) 0,1

(200,0 - 999) 1

Insulation resistance measurement (Riso) resolution (V)

Insulation resistance measurement (Riso) short-circuit current

Max. 15 mA

Insulation resistance measurement (Riso) test voltage

50 V DC, 100 V DC, 250 V DC, 500 V DC, 1000 V DC

Length (mm)

250 mm

Low resistance measurement (Rlow) accuracy

± (3% + 3 Digit)

± (5%)

Low resistance measurement (Rlow) measuring range (MΩ)

0,1 - 20,0

20 - 1999

Low resistance measurement (Rlow) number of tests

Max. 1400 (with 2300-mAh-batteries)

Low resistance measurement (Rlow) rated voltage

5 V DC

Low resistance measurement (Rlow) resolution (MΩ)

(0,10 - 19,99) 0,01 / (2,00 - 80,00) 0,01

(20,0 - 99,9) 0,1 / (100,0 - 1999) 1

Low resistance measurement (Rlow) test current

Min. 200 mA with 2 Ω load resistance

Low resistance measurement (Rlow) test lead compensation

Max. 5 Ω

Mains impedance and prospective short-circuit current accuracy

Observe the accuracy of the fault loop impedance measurement

Observe the accuracy of the line measurement (calculated value)

± (5% + 5 Digit)

Mains impedance and prospective short-circuit current measuring range (%)

0,0 - 9,9

Mains impedance and prospective short-circuit current measuring range (A)

0,00 - 19,99

1,00 k - 9,99 k

10,0 k - 100 k

20,00 - 99,9

100 - 999

Mains impedance and prospective short-circuit current measuring range (Ω)

0,2 - 9999

Mains impedance and prospective short-circuit current rated input voltage Un

115 V

230 V

400 V

Mains impedance and prospective short-circuit current rated voltage range

93 - 134 V; 185 - 266 V; 321 - 485 V, (45 - 65 Hz)

Mains impedance and prospective short-circuit current resolution (%)

0,1

Mains impedance and prospective short-circuit current resolution (A)

0,01

0,1

100

Mains impedance and prospective short-circuit current resolution (Ω)

(0,20 - 19,99) 0,01

(20 - 99,9) 0,1

(100 - 9999) 1

Mains impedance and prospective short-circuit current test current at 230 V

3.4 V, 50 Hz sine wave (10 ms ≤ t LAST ≤ 15 ms)

Mains impedance and prospective short-circuit current voltage range

93 V ≤ U L-PE < 134 V

185 V ≤ U L-PE ≤ 266 V

321 V ≤ UL-PE ≤ 485 V

Operation

~ 15 h (depending on usage)

Overvoltage category

CAT III / 600 V; CAT IV / 300 V

Phase sequence, clockwise rotating field

1-2-3

Phase sequence, counterclockwise rotating field

3-2-1

Phase sequence frequency range

45 - 400 Hz

Phase sequence rated voltage range

93 - 550 V AC

Power adapter

12 V DC / 1000 mA

Power supply

9 V DC (6 x 1,5 V Ni-MH batteries, AA)

Protection classification

Double insulation

Relative humidity

Max. 95 %, non-condensing

Sets / individual items

Sets

Specific earth resistance (Ro) accuracy

± (5% + 5 Digit)

± 10 % (Re 2 - 19,99 kΩ)

± 20 % (Re > 20 kΩ)

Specific earth resistance (Ro) measuring range (Ω)

6,0 - 99,9 Ωm

100 - 999 Ωm

Specific earth resistance (Ro) resolution (Ω)

0,01 kΩm

0,1 kΩm

0,1 Ωm

1 kΩm

1 Ωm

Top seller

Yes

Touch voltage accuracy

(-0% / +10% + 5 Digit)

Touch voltage limit value of touch voltage

25 V, 50 V

Touch voltage measuring range (V)

3,0 - 9,99

10,0 - 99,9

Touch voltage resolution (V)

0,1

Touch voltage test current

Max. 0,5 IΔN

Tripping current accuracy

(-0% / +10% + 5 Digit)

± 0,1 × IΔN

± 3 ms

Tripping current measuring range (V)

3,0 - 9,9

10,0 - 99,9

Tripping current measuring range (ms)

0,0 - 500,0

Tripping current measuring range (Δ)

0,2 × IΔN … 1,1 × IΔN (Typ AC)

0,2 × IΔN … 1,5 × IΔN (Typ A, IΔN ≥ 30 mA)

0,2 × IΔN … 2,2 × IΔN (Typ A, IΔN = 10 mA)

0,2 × IΔN … 2,2 × IΔN (Typ B)

Tripping current resolution (V)

0,1

Tripping current resolution (ms)

Tripping current resolution (Δ)

0,05 × IΔN

Tripping time RCD 6 mA DC

10 x IΔN DC: < 300 ms

33 x IΔN DC: < 150 ms

IΔN DC: > 1999 ms

Tripping time RCD 30 mA DC

2x xIΔN: < 300 ms

5 x IΔN DC: < 80 ms

167 x IΔN DC: < 80 ms

IΔN: no tripping

Tripping time accuracy

± 3 ms

Tripping time general (non-delayed) RCDs

1/2 x IΔN: > 1999 ms

2 x IΔN: 60 ms < 150 ms

5 x IΔN: 50 ms < 40 ms

IΔN: 130 ms < 300 ms

Tripping time limit value touch voltage

25 V, 50 V

Tripping time measuring range (ms)

0,0 - 500,0

Tripping time resolution (ms)

0,1

Tripping time selective (time-delayed) RCDs

1/2 x IΔN: > 1999 ms

2 x IΔN: 60 ms < 200 ms

5 x IΔN: 50 ms < 150 ms

IΔN: 130 ms < 500 ms

Tripping time test current

½ × IΔN, IΔN, 2 × IΔN, 5 × IΔN

Voltage and frequency measurement accuracy

± (0,2% + 1 Digit)

± (2% + 2 Digit)

Voltage and frequency measurement clockwise phase sequence

1-2-3

Voltage and frequency measurement counterclockwise phase sequence

3-2-1

Voltage and frequency measurement frequency range

0 Hz, 45 - 400 Hz

Voltage and frequency measurement measuring range (Hz)

10 - 499

Voltage and frequency measurement measuring range (V)

0 - 550

Voltage and frequency measurement rated voltage range

10 - 550 V

Voltage and frequency measurement resolution (Hz)

0,1

Voltage and frequency measurement resolution (V)

Zs (L-PE, mode: standard RCD & alternative RCD), Ik (without RCD tripping) accuracy

Observe the accuracy of the fault loop impedance measurement

± (5% + 10 Digit)

± 10%

Zs (L-PE, mode: standard RCD & alternative RCD), Ik (without RCD tripping) measuring range (A)

0,00 - 19,99

1,00 k - 9,99 k

10,0 k - 100 k

20,00 - 99,9

100 - 999

Zs (L-PE, mode: standard RCD & alternative RCD), Ik (without RCD tripping) measuring range (Ω)

0,4 - 19,99

20,0 - 9999

Zs (L-PE, mode: standard RCD & alternative RCD), Ik (without RCD tripping) rated voltage range

93 - 134 V; 185 - 266 V, 45 - 65 Hz

Zs (L-PE, mode: standard RCD & alternative RCD), Ik (without RCD tripping) resolution (A)

0,01

0,1

100

Zs (L-PE, mode: standard RCD & alternative RCD), Ik (without RCD tripping) resolution (Ω)

(0,40 - 19,99) 0,01

(100 - 9999) 1

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