Free Delivery Over £249*

Next Day Delivery*

60 Day Returns Guarantee

Martindale ET4 Multifunctional Electrical Tester

Martindale
SKU: MARTET4
  • Non-contact voltage detection (70 to 600V)
  • AC/DC voltage and current, frequency, resistance, continuity and diode testing
  • Auto ranging, LED light, display hold and auto power off
More Info
In Stock - Available Next Day

Martindale ET4 Multifunctional Electrical Tester

Detecting voltage from 70 to 600V with its built-in non-contact detector, the Martindale ET4 Multifunctional Electrical Tester is a compact instrument capable of a range of measurements.

Offering measurement of AC/DC voltage, AC/DC current, frequency and resistance, as well as continuity and diode testing, the Martindale ET4 displays test results shown on its clear LCD screen and boasts simultaneous measurement of current/voltage and frequency/voltage to save time.

Providing auto ranging functionality, an LED light to aid use in low-lit conditions, display hold and auto power off features, the Martindale ET4 is an ideal instrument for most practicing electricians and comes packaged with TL17 test leads, a soft carry case, 9V battery and manual.

Specification

Electrical

All specified accuracies are at 23°C ± 5°C <75% RH for 1 year.
Temperature Coefficient: <0.1 x (specified accuracy) per °C (0°C to 18°C, 28°C to 40°C)

DC Voltage

Range Resolution Input Impedance Accuracy
500mV 0.1mV 1.1MΩ ± (0.5% of rdg + 2 dgts)
5V 0.001V 1MΩ
50V 0.01V
500V 0.1V
600V 1V

Overload Protection: 600V DC or AC rms

AC Voltage

Range Resolution Input Impedance Accuracy
500mV 0.1mV
1MΩ		 Not specified
5V 0.001V 50-60Hz ± (1.2% of rdg + 5 dgts)
60-500Hz ± (2.0% of rdg + 5 dgts)
50V 0.01V
500V 0.1V
600V 1V

Overload Protection: 600V DC or AC rms

DC Current

Range Resolution Accuracy
200A 0.1A ± (2.0% of rdg + 5 dgts)

Maximum input current: 200A

AC Current

Range Resolution Accuracy (50 to 60Hz)
200A 0.1A ± (2.0% of rdg + 5 dgts)

Maximum input current: 200A

Frequency

Frequency measurement using AC current range

Range Resolution Accuracy
30Hz to 400Hz 
0.1Hz ± (0.1% of rdg + 5 dgts)

Input sensitivity > 10A AC rms

Maximum input current: 200A AC rms

Resistance

Range Resolution Open Circuit Voltage Accuracy
500Ω 0.1Ω -3.2V DC ± (1.0% of rdg + 5 dgts)
5kΩ 0.001kΩ 1.1V DC Approx
50kΩ 0.01kΩ
500kΩ 0.1kΩ
5MΩ 0.001MΩ ± (1.5% of rdg + 5 dgts)
50MΩ 0.1MΩ ± (3.0% of rdg + 5 dgts)

Overload Protection: 600V DC or AC rms

Continuity

Range Resolution Response Time Accuracy
500Ω 0.1Ω 100ms <30Ω

Overload protection: 600V DC or AC rms