For telephone sales and support

01332 343788

Welcome to Invirotech


Kewtech KT64

Be the first to review this product

Availability: In stock



Double click on above image to view full picture

Zoom Out
Zoom In


Easy to use NEW Anti-Trip Technology for full no trip LOOP testing on all RCD types 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

Accessories ACC064SP G7 Test remote with remote test button ACC064 G7 Test lead set Kamp 12 Mains lead Batteries Test lead pouch Instruction Manual Soft carry case Calibration Certificate

Technical Specifications


Open Circuit Voltage (DC) Short Circuit Current Range Accuracy
5V±20% Greater than200mA 20 / 200 / 2000ΩAuto-Ranging 0 ~ 0.19Ω0.2 ~ 2000Ω
2Ω Buzzer: Buzzer sounds when measured 2Ω Buzzer Accuracy: 2Ω±0.3Ω resistance is 2Ω or less.

Insulation Resistance

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 Impedance

Function Rated Voltage Nominal Test Currentat 0Ω External 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-RangingL-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 derived from measured loop impedance

specification and measured voltage specification

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%
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

Write Your Own Review

You're reviewing: KT64