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ST2241 Grounding resistance Tester/ earth resistance measurement/ soil resistivity meter

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Product Description

ST2241 Grounding resistance Tester/ earth resistance measurement/ soil resistivity meter

Product Description

1.Basic introduction

Product Name: High Quality Error Small grounding resistance earth tester digital, Multi-function earth resistance clamp meter

Function: grounding resistance, soil resistivity;Ground voltage, AC voltage measurement

Soil Resistivity Range: 0.00Ωm~1kΩm

Resistance Range: 0.00Ω~100.0kΩ

Voltage Range: AC 0.0~600V

Measurement Method: precision four-wire, three-wire measurement, simple two-wire measurement

Line Voltage: measure below AC 100V

Application: ST2241 soil resistivity earth resistance tester is adopted the latest digital and micro-processing technology and can accurately detect ground resistance, soil resistivity, and ground voltage. It uses a fast filtering technique to minimize interference. Displaying the resistance value of the auxiliary electrode in the same screen, which is convenient for judging the measurement error caused by environmental factors, facilitating more accurate measurement of the grounding true resistance value.Widely used in telecommunications, electricity, meteorology, computer rooms, oil fields, power distribution lines, iron tower transmission lines, gas stations, factory grounding networks, lightning rods and so on. The instrument has the characteristics of precise, fast, simple, stable and reliable.

2.Technical Parameters

2.1 Baseline and working conditions

Impact	Benchmark condition	Working conditions	Note
Auxiliary grounding resistance value	<100Ω	<100kΩ	rC, rP
Electrode distance when measuring R	a> 5d	a> 5d	----
Electrode distance when measuring ρ	a>20h	a>20h	----
Ambient temperature	23℃±1℃	-10℃~40℃	----
Environment wet crossing	40% ~ 60%	<80%	----

2.2.General specifications

Function	Two, three or four wires measure ground resistance and soil resistivity;Ground voltage, AC voltage measurement
Power supply	DC 8.4V (2 rechargeable lithium batteries)
Range	Ground resistance: 0.00Ω~100.0kΩ
Range	Soil resistivity: 0.00Ωm ~ 1kΩm (then multiplied by the coefficient 2πa)
Measurement method	Precision 4-wire, 3-wire measurement, simple 2-wire measurement of ground resistance
Short-circuit test current	AC ± 20mA max
Open circuit test voltage	AC ± 20V max
Test voltage waveform	square wave (1KHz)
Electrode pitch range	can be set from 1m to 10m
Standard test line	4 strips: 2 strips of 20m length, 2 strips of 10m length
Simple test lead	2 strips: 1.0m yellow, 1 each green 1.0m
Auxiliary ground rod	4 pieces:φ10mm×150mm
Line voltage	AC 600V or less
USB interface	With USB interface, software real-time monitoring, stored data can be uploaded to the computer, save and print, soil layer analysis and other functions
Communication line	1 USB cable, 1.5m long
Auxiliary ground test	With auxiliary ground resistance value test function, but must meet R + rC<50kΩ, R + rP <50kΩ R is the measured ground resistance
Working temperature and humidity	-10℃~40℃;
Storage temperature and humidity	-20℃~60℃;

2.3.Basic error and performance index under reference conditions

Measurement function	Measuring range	Precision	Resolution
Ground resistance(R)	0.200Ω~2.000Ω	±5%rdg±5dgt	0.001Ω
	02.00Ω~20.00Ω	±2%rdg±3dgt	0.01Ω
	020.0Ω~200.0Ω	±2%rdg±3dgt	0.1Ω
	0200Ω~2000Ω	±2%rdg±3dgt	1Ω
	02.00kΩ~20.00kΩ	±5%rdg±5dgt	10Ω
Soil resistivity(ρ)	depends on the measurement range of R (ρ=2πa(R÷100) a:1 m~100m;π=3.14) (ρmin = 1.256Ωm , ρmax = 125.6KΩm )
Ground voltage	AC 0.0~600V	±2%rdg±3dgt	0.1V

Note: 1. When rC or rP is larger, the additional error is ≤ ± 3% rdg ± 5dgt.(rC max<50kΩ; rP max <50kΩ)

Company Profile

Yiwu Kunchang E-commerce Firm

Yiwu Kunchang E-commerce Firm established in 2017, is an international trading company in China, specialized in selling automation products, such as PLC,HMI,AC Inverter, DC Inverter & Spare Parts. Major brands are Siemens, AllenBradley, Mitsubish, Omron, Schneider. Delta. Keyence, Yaskawa. ABB Drives, Hitech, Proface, Sick Sensors etc.

We guarantee all products are 100% original factory package with one year warranty. We are dedicated in providing the best service with high product quality, fast delivery time and sufficient in stock goods.

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