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Kewtech KT66DL Digital 12-in-1 & EVSE Adapter
  • Kewtech KT66DL Digital 12-in-1 & EVSE Adapter
  • Kewtech KT66DL Digital 12-in-1 & EVSE Adapter
  • Kewtech KT66DL Digital 12-in-1 & EVSE Adapter
  • Kewtech KT66DL Digital 12-in-1 & EVSE Adapter

Kewtech KT66DL Digital 12-in-1 & EVSE Adapter

Kewtech Approved distributor.

Includes: KT66DL, KEWEVSE EVSE Adapter, ACC064SP G7 Test probe, with remote test button, ACC065 G7 Test lead set, Kamp12 Mains lead, USB cable, Test lead pouch, Batteries, Soft carry case, Padded strap, Instruction Manual, Calibration Certificate.

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The Kewtech KT66DL and KEWEVSE testing adapter for the testing of EV charging points provides a comprehensive kit for those with electrical vehicle charging points. Whether these are installed with Type B RCDs or with 6mA residual direct current devices and in either TN or TT configurations, this kit gives you the flexibility to test for electrical safety as well as EVSE functionality.

The KT66DL has an easy-to-use single rotary dial with four function softkeys and a colour LCD 3.5” dot matrix display. It also incorporates Anti-Trip Technology (ATT) which electronically bypasses RCDs when performing loop impedance tests. This saves time and money by not having to take the RCD out of the circuit during testing and is a safer procedure to follow.

The KT66DL Multi-function tester has eight test functions in one tester.
1. Continuity test.
2. Insulation resistance test.
3. Loop impedance test (High current measurement, No trip (ATT) measurement).
4. Prospective short circuit current test (On Loop impedance function).
5. RCD test.
6. Voltage test.
7. Phase rotation test.
8. Earth test.

The KT66DL incorporates Anti Trip Technology (ATT) which electronically by-passes RCDs when performing loop impedance tests. This saves time and money by not having to take the RCD out of the circuit during testing and is a safer procedure to follow.

With the ATT function enabled, a test of 15mA or less is applied between line & earth. It enables loop impedance measurements without tripping RCDs rated at 30mA and above. ATT supports measurements using three wires: Line, Earth, and Neutral and also two
wires: Line and Earth.


18th Edition Functions.
Phase Rotation.
Insulation test: 4 test voltages, resistance bar graph & DAR / PI functionality.
Two continuity tests 200 mA & 15 mA.
0.001 Ω res high current loop.
55V Loops for 110V CTE transformers.
Earth resistance 3 & 2 wire options.
Advanced memory with PAT test download.
Two wire low current loop.
EVSE loop option.
RCD - Tests Type AC, ACS, A, AS, F, B, BS & EV.
EVSE 6mA DC ramp and tripping time test.
PAT function including download.

Kewtech KT66DL 12 In 1 Multifunction Tester Specifications
Range 20.00/200.0/2000Ω (auto-ranging).
Display range 0.00 - 20.99Ω / 16.0 - 209.9Ω / 160 - 2099Ω.
Measuring range 0 – 2000Ω.
Accuracy ±2.0%rdg±8dgt.
Open-circuit voltage 7 – 14V DC.
Test current 200mA test: 200mA or more (2Ω or less)
15mA test: 15mA±3mA (short-circuit).
Enabled if pre-set NULL value is 9Ω or less. Buzzer: Buzzer sounds when measured resistance is 2Ω or less.
Range 300.0/600V (Auto-ranging)
Display range Voltage: 2.0 – 314.9V, 240 – 629V
Frequency: 40.0 – 70.0Hz (displayed at 2V or higher).
Measuring range Voltage: 2 – 600V
Accuracy Voltage: ±2%rdg±4dgt
Frequency: ±0.5%rdg±2dgt.
Uc (RCD)
Mains voltage range 100-260V.
Range 100V.
Display range 0.0 - 104.9V.
Measuring range 0 - 100V.
Accuracy +5%to+15%rdg ±8dgt 230V.
Test current 50 % or less of IΔn.
Precise measurement. Simplified measurement.
Range 20.00 / 200.0 / 2000Ω (auto-ranging).
Accuracy 20Ω range; ±2%rdg±0.08Ω
The other ranges: ±2%rdg±3dgt
(Aux. earth resistance: 100Ω).
The other ranges: ±2%rdg±3dgt.
Output current 20Ω range: approx. 3mA, 200v range: approx. 1.7mA
2000Ω range: approx. 0.7mA Frequency: 825Hz.
Phase Rotation
Measuring Range 48 – 600V / 45 - 65Hz.
Criteria of judgement Correct sequence: Clockwise symbol and “1, 2, 3” are displayed
Reversed sequence: Counter-clockwise symbol and “3, 2, 1” are displayed.
Rated voltage 100V 250V 500V 1000V SPD (Varistor) 1000V
Range 2.000/20.00/200.0MΩ
20.00/200.0/2000MΩ 0 -1000V (increases in 1V steps)
Display range 0.000 - 2.099MΩ 0.00 - 20.99MΩ 0.00 - 20.99MΩ 1049V
1.60 - 20.99MΩ 16.0 - 209.9MΩ 16.0 - 209.9MΩ
16.0 - 209.9MΩ 160 - 1049MΩ 160 - 2099MΩ
Measuring range 0 - 200MΩ 0 - 1000MΩ 0 - 2000MΩ 0 - 1049V
Accuracy 2.000MΩ range: ±2%rdg±6dgt 20.00MΩ range: ±(2%rdg+6dgt), 200.0MΩ range: ±(2%rdg+6dgt) ±5%rdg±5dgt
20.00MΩ range: ±2%rdg±6dgt 1000MΩ range: ±(5%rdg+6dgt) 2000MΩ range: ±(5%rdg+6dgt)
200MΩ range: ±5%rdg±6dgt
Rated measurement current 1.0 - 1.2mA
at 100kΩ
1.0 - 1.2mA
at 250kΩ
1.0 - 1.2mA
at 500kΩ
1.0 - 1.2mA
at 1MΩ
1.0 mA
3-Wire L-PE 2-Wire L-PE L-PE0.01ΩRes L-PE0.001ΩRes L-N/L-L
Mains input voltage range 100 – 260V 50/60Hz
(L-N < 20Ω)
48 – 260V 50/60Hz 100 - 260V 50/60Hz 48 - 260V 50/60Hz
Range LOOP 20.00/200.0/2000Ω (auto-ranging) 20.00/200.0/2000Ω 2.000Ω 20.00Ω
PFC/PSC 2000A/20kA 2000A/20kA (PFC only) 2000A/50kA (PFC only) 2000A/20kA (PSC only) 2000A/20kA (PSC only)
Display range LOOP 0.00 – 20.99Ω
21.0 – 209.9Ω
210 – 2099Ω
0.00 –20.99Ω
21.0 –209.9Ω
210 –2099Ω
0.00 - 20.99Ω
21.0 - 209.9Ω
210 –2099Ω
0.000 - 2.099Ω 0.00-20.99Ω
PFC/PSC 0 – 2099A
2.10 – 20.99kA
0 – 2099A
2.10 – 20.99kA
(PFC only)
0 – 2099A
2.10 – 50.49kA
(PFC only)
0 – 2099A
2.10 – 20.99kA
(PFC only)
0 – 2099A
2.10 – 20.99kA
(PSC only)
Meas. range LOOP 0 – 2000Ω 0 – 2000Ω 0 – 2000Ω 0 – 2Ω 0 – 20Ω
Accuracy LOOP ±(3%rdg+6dgt) ±(3%rdg+10dgt) ±(3%rdg+4dgt) ±(3%rdg+25mΩ) ±(3%rdg+4dgt)
PFC/PSC Depending on the accuracies of voltage and LOOP measurements.
Test current @ 230V L-N:6A/60ms
N-PE:10mA (5.3Hz)
L-PE: 15mA 20Ω: 6A/20ms,
200Ω: 0.5A/20ms
2000Ω: 15mA/500ms
25A/20ms 6A/20ms
Mains input voltage range: 100V – 260V 50/ 60Hz. For Type AC and A RCDs rated at 100mA or higher: 190 – 260V.
Mode Rated residual operating current (mA)(IΔn) Test current Duration
Current (mA) rms Accuracy @230V Meas. time Accuracy
x 1/2 AC G: 10/30/100/300/500/1000 S: 100/300/500 IΔn×1/2 -8% to-2% VAR:-10% to 0% 2000ms Trip Time
±3% of FS
A/F G: 10/30/100/300/500 AS:100/300/500 IΔn×1/2 -10% to 0%
B G: 10/30/100/300 S:100/300 IΔn×1/2 -10% to 0%
x 1 AC G:10/30/100/300/500/1000 S: 100/300/500 IΔn +2% to +8% VAR:0% to +10% G:550ms
A/F G: 10/30/100/300/500 AS:100/300/500 IΔn×1.4 (10mA: IΔn×2) 0% to +10%
B G: 10/30/100/300 S:100/300 IΔn×2 0% to +10%
6 mA DC IΔn 0% to +10% 10.5s
x 5 AC G: 10/30/100 S: 100 IΔn×5 +2% to +8% VAR:0% to +10% 410ms
A/F G: 10/30/100 AS: 100 IΔn×5×1.4 0% to +10%
B 10/30 IΔn×2×5 0% to +10%
20 to 110%
AC 10/30/100/300/500 S: 100/300/500 IΔn -4% to +4% by 10%
G: 300ms
S: 500ms
±3% of FS
A/F G: 10/30/100/300/500 AS:100/300/500 IΔn×1.4 (10mA:IΔn×2) -10% to +10%
B G: 10/30/100/300 S: 100/300 IΔn×2 -10% to +10% by 2% /150ms
Ramp EV 30 to 100% 6 mA DC IΔn -10% to +10% by 2% / 500ms -
Applicable Standards IEC 61010-1 CATIII (600V) CATIV (300V) pollution degree 2, IEC 61010 -Tester , -2-030, -2-034,
IEC61557-1,2,3,4,5,6,7,10, IEC 60529 IP40, EN 61326-2-2 (EMC).
Battery type Size AA Alkaline battery (LR6) x 8.
Display >Colour Dot Matrix LCD 320(W) X 240(H) pixels.
Operating temperature -10 to +50°C.
Dimensions 136 (L) x 235 (W) x 114 (D) mm.
Weight 1300g including batteries (8 x AA / LR6).
Kewtech KEWEVSE EVSE Adapter Specifications
Input voltage Max. 250V (single-phase), max. 430V (three-phase) 50/60Hz.
Measurement Category CAT II 300V.
Mains socket rating 250V/10A.
Mains socket protection Fuse T10A/250V.
PP simulation Open circuit, 13A, 20A, 32A, 63A.
CP simulation States A, B, C, D.
Error simulation CP error “E”, PE (earth fault) error.
PE Pre-Test Yes.
Test connector type IEC62196-2 Type 2 male.
Test cable length 25cm.
Working temperature 0 … +40ºC.
Storage temperature -10 … +50ºC.
Humidity 0-80% RH.


Kewtech KT66DL Datasheet

PDF Specifications of the Kewtech KT66DL Multifunction tester.

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