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TES-1700 Digital Earth Tester

The Earth Resistance & Voltage Tester measures earth voltage and resistance accurately. It includes data hold, MAX/MIN, auto power-off, and automatic warning functions.

  • Measures earth voltage: 0–399.9V
  • Measures earth resistance: 0–39.99Ω, 0–399.9Ω, 0–3999Ω
  • High accuracy: ±(1% rdg + 4dgts) for voltage, ±(2% rdg + 0.2Ω) for resistance
  • Data Hold and MAX/MIN for easy reading

Description

The Earth Resistance & Voltage Tester allows you to measure earth voltage and resistance quickly and accurately. You can read earth voltage up to 399.9V and earth resistance up to 3999Ω. The tester uses a 2mA measuring current, so it does not trip earth leakage breakers. It has data hold, MAX/MIN, and zero ohm adjustment, which make reading results simple.

The device shuts off automatically after 3 minutes to save battery power. It comes with all essential accessories, including test leads, four auxiliary earth spikes, a carrying case, and a neck strap for hands-free use. The tester alerts you when the auxiliary spike resistance is too high. Compact and lightweight, it works well both in the field and indoors, and it complies with EN 61010-1 and EN 61557 safety standards.

Features

  • Earth Voltage Measurement: 0–399.9V, ±(1% rdg + 4dgts)

  • Earth Resistance Measurement: 0–39.99Ω, 0–399.9Ω, 0–3999Ω, ±(2% rdg + 0.2Ω)

  • Auto Power-Off: ~3 minutes

  • Data Hold and MAX/MIN Functions

  • Zero Ohm Adjustment

  • 2mA Measuring Current for safety

  • Automatic Warning for high auxiliary spike resistance

  • Accessories Included: Test leads, 4 auxiliary earth spikes, 8 batteries, carrying case, neck strap, manual

  • Safety Standards: EN 61010-1, EN 61557

Specifications

General Specification:

Safety Standard EN 61010-1 overvoltage category , EN 61557
Display 3-3/4 digit liquid crystal display with a maximum reading of 3999.
Timer (Auto power off) about 3 minutes.
Dimensions 190x140x77mm
Weight Approx. 800 (with battery)
Power Source Eight 1.5V 01t AA Size Battery.
Over range Indication “ OL ” will be shown on the LCD Penal when out of range measurement is made.
Operating Temperature and Humidity 0°C to 40°C (32°F to 104°F) , below 80% RH
Storage Temperature -10°C to 60°C (14°F to 140°F)
Accessories Test leads 1 set, Auxiliary earth spikes 4 piece, Battery 8 piece, Carrying case, Neck strap, Manual.

 

Measuring Range and Accuracy ( at 23 and  45-75%RH ) 

Function Measuring range Accuracy Overload Protection
Earth Voltage 0 ~ 399.9V (50Hz, 60Hz) ±(1%rdg+4dgts) 400Vrms / 1 minute
Earth Resistance 0 ~ 39.99Ω ±(2%rdg+0.2Ω) 250Vrms / 10 seconds
0 ~ 399.9Ω ±(2%rdg+3dgts)
0 ~ 3999Ω

 

Current Consumption ( typical Value with battery voltage of 12V ) 

Range ON
40Ω/ 400Ω/4000Ω 58mA
Earth V 22mA

 

 

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