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Kewtech KT65

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Multifunction 8-in-1 Tester


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Easy to use NEW Anti-Trip Technology for full no trip LOOP testing on all RCD types Advanced memory – assigns type of test to results e.g. R2 or R1 + R2 for continuity Test button in probe as well as lockdown test button for ‘hands free’ testing Easy PFC & PSC measurement without the need to alter test probes 250, 500 & 1000V insulation tests with auto discharge Additional LED for warning of high voltage output in insulation test mode Memory for test lead resistance compensation Selectable touch voltage Backlit display Auto-test memory for RCD testing – single screen results End of line calibration certificate included

Additional Information

ACC064SP G7 Test remote with remote test button ACC065 G7 Test lead set Kamp 12 Mains lead Batteries Test lead pouch Instruction Manual Soft carry case Calibration Certificate • USB cable Software

Technical Specifications


Open CircuitVoltage (DC) Short Circuit Current Range Accuracy
5V±20% Greater than200mA

20 / 200 / 2000Ω


0 ~ 0.19Ω

0.2 ~ 2000Ω

2Ω Buzzer: Buzzer sounds when measured 2Ω Buzzer Accuracy: 2Ω±0.3Ω resistance is 2Ω or less.

Insulation Resistence

Open CircuitVoltage (DC) Rated CircuitCurrent Range Accuracy
250V+40% -0% 1mA or greater@ 250kΩ 20 / 200MΩAuto-Ranging 20 ~ 200MΩ±(5%rdg+6dgt)
500V+30% -0% 1mA or greater@ 500kΩ 20 / 200 / 2000MΩAuto-Ranging 200 ~ 2000MΩ±(5%rdg+6dgt)
1000V+20% -0% 1mA or greater@ 1MΩ 20 / 200 / 2000MΩAuto-Ranging 200 ~ 2000MΩ±(5%rdg+6dgt)

Loop Impendance

Function Rated Voltage Nominal Test Current at 0ΩExternal Loop: Magnitude/Duration Range Accuracy
L-PE 100 ~ 260V50/60Hz 20Ω: 6A/20ms200Ω: 2A/20ms2000Ω: 15mA/360ms 20 / 200 / 2000ΩAuto-Ranging ±(3%rdg+4dgt)
L-PE (ATT) 100 ~ 260V50/60Hz L-N: 6A/30msN-PE: 10mAapprox. 4s 20 / 200 / 2000ΩAuto-Ranging L-N< 20Ω ±(3%rdg+6dgt)
L-N/L-L 100 ~ 500V50/60Hz 20Ω: 6A/20ms 20Ω ±(3%rdg+4dgt)

PSC (L-N/L-L) / PFC (L-PE)

PSC 100~500V50/60Hz 6A/20ms 2000A/20kAAuto-Ranging

PSC accuracy is derivedfrom measured loop impedance

specification and measured voltagespecification

PFC 100~260V50/60Hz 6A/20ms2A/20ms15mA/360ms 2000A/20kAAuto-Ranging
PFC (ATT) 100~260V50/60Hz L-N: 6A/30msN-PE: 10mA/approx. 4s 2000A/20kAAuto-Ranging


Function Rated Voltage Accuracy
Trip Current
Trip Time
AC Type A Type
X1/2 230V+10%-15%50/60Hz -8%~2% ±10% ±(1%rdg+3dgt)
X1 +2%~+8%
X5 +2%~+8%
Ramp ±4%

Depending on the accuracy at each function

Measurement sequence: X1/2 0°->X1/2 180°->X1 0°->X1 180°-> X5 0°-> X5 180°

Measurements with X5 aren’t carried out when current is 300mA or more

Continuity / Insulation / Loop / PSC ranges uses the rolling average


Measuring Frequency Range Accuracy
825Hz 20/ 200 / 2000ΩAuto-Ranging

20Ω range: ±(3%rdg+0.1dgt)

200 / 2000Ω range: ±(3%rdg+3dgt)

(Auxiliary earth resistance 100±5%)

Phase Rotation

Rated Voltage Remarks



Correct phase sequence: are displayed “1.2.3” and mark

Reversed phase sequence: are displayed “3.2.1” and mark


Function Rated Voltage Range Accuracy



25~500V ±(2%rdg+4dgt)



45~65Hz ±(0.5%rdg+2dgt)

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