Kewtech KEW4140 Loop Impedance Tester
Featuring ATT anti-trip technology as standard, the Kewtech KEW4140 Loop Impedance Tester performs completely trip-free loop testing on all RCDs rated 30mA or above, perfect for those seeking a high-quality and efficient instrument.
Capable of performing loop, PFC, PSC and phase rotation testing on electrical installations, the Kewtech KEW4140 boasts a dual display, showing a choice of simultaneous measurements.
Suitable for two-wire connection (with L-L, L-N and PSC testing possible), the Kewtech KEW4140 also offers a special lock down test button, allowing completely hands-free testing to take place.
With a built-in backlight for use in low-light environments and an IP54 rated design, the Kewtech KEW4140 Loop Impedance Tester is a user-friendly, versatile and durable instrument.
Kewtech KEW4140 Loop Impedance Tester Key Features
- ATT anti-trip technology allows trip-free loop testing on RCDs rated at 30mA and above
- Dual display, simultaneously showing measurements such as loop and PFC/PSC
- Two wire connection for Loop L-N, L-N and PSC
- Phase rotation, voltage and frequency measurements
- Lock-down test button for hands-free testing
- Display and front panel keyboard, featuring integrated backlight for use in poor lighting conditions
- IP54 rated design - water & dust proof
Loop Impedance Function L-PE ATT Off L-PE ATT ON L-N/L-L Rated Voltage 230V (50/60Hz) L-N: 230V (50/60Hz)
L-L: 400V (50/60Hz)
Operating Voltage 100-280V (45 to 65Hz) 100-500V (45 to 65Hz) Range (Autoranging) 20/200/2000Ω 20/200/2000Ω (L-N<20Ω) 20Ω Nominal Test Current at 0Ω External Loop: Magnitude/Duration at 230V 20Ω: 6A/40ms
N-PE: 10mA/approx 5s
20Ω: 6A/20ms Accuracy ±3% rdg ±4dgt ±3%rdg±6dgt L-N: ±3%rdg±4dgt
PFC (L-PE)/PSC (L-N/L-L) Function PFC PFC (ATT) PSC) Rated Voltage 230V (50/60Hz L-N: 230V (50/60Hz)
L-L: 400V (50/60Hz)
Operating Voltage 100-280V (45 to 65Hz) 100 to 500V (45 to 60Hz) Range (Autoranging) 200A/20kA 2000A/20kA (L-N<20Ω) 2000A/20kA Nominal Test Current at 0Ω External Loop:
Magnitude/Duration at 230V
N-PE: 10mA/approx 5s
20Ω: 6A/20ms Phase Rotation Operating Voltage 50-500V, 45 to 65Hz Remarks Correct phase sequence: displayed '1, 2, 3' and symbol
Reversed phase sequence: displayed '3, 2, 1' and symbol
Voltage Function Voltage Frequency Measuring Range 0-500V 45 to 65Hz Accuracy ±2%rdg±4dgt ±0.5%rdg±2dgt General Applied Standards IEC 61010-1 CAT III300V (500V L to L)
IEC 61010-031, IEC 61557-1,3,7,10,
IEC 60529 (IP54), IEC 61326 (EMC)
Power Souce 6 x 1.5V AA Batteries *Use of alkaline batteries (LR6) is recommended Dimensions 84 (L) x 184 (W) x 133mm (D) Weight 860g (including batteries)
- Kewtech KEW4140 Loop Impedance Tester
- Safety Test Leads
- Soft Carrying Case
- Belt Strap
- Instruction Manual
- 6 x LR6 Batteries
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