Clamp Ground Resistance Tester, 0.010Ω To 1500Ω

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$998.50

Ex Tax: $998.50

Stock: In Stock
Model: RDDLZ-ERT-1500
Weight: 1.00
SKU: RDDLZ-ERT-1500

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The provided digital earth resistance tester features a 0.010Ω~1500Ω measurement range, 0.00mA~40.0A current range, sound and light alarm function, data storage function and data retention function. Clamp-on ground resistance tester is suitable for measuring the grounding resistance of various equipment. It can also be used for loop resistance measurement, grounding down leads leakage current measurement and judging ground fault.

Features

Digital earth resistance tester is a high-quality ground resistance tester, available with a 32mm clamp and 0.010Ω~1500Ω measure range.
Ground resistance tester is a non-contact measurement, which is safe and fast. When measuring the loop grounding system, there is no need to disconnect the grounding lead and the auxiliary grounding electrode.
The clamp ground resistance tester can measure ground faults that cannot be measured by traditional methods and is suitable for occasions where traditional methods cannot be used.
RDDLZ earth testing meter has the functions of sound and light alarm, data storage, data retention and so on. LCD clearly displays the measurement data in high definition, and the data can be displayed in a backlight.

Specifications

Model	RDDLZ-ERT-2200
Resistance Range	0.010Ω~1500Ω
Current Range	0.00mA~40.0A
Current Resolution	1 uA
Resistance Resolution	0.010Ω
Weight	2.5 kg
Clamp Size	65mm×32mm
Tester Size	295mm×98mm×66mm
Current Test Accuracy	±(1.5%rdg+0.5mA)
Power Supply	Rechargeable lithium battery DC 3.7V 2600mAh
Single Measurement Time	0.5 second
LCD Screen	4 Digits LCD display, 47mm×28.5mm
Data Memory	99 groups
Audible And Visible Alarm	"du—du—du" for alarming, press AL to turn on/off
Alarm Threshold Setting Range	Resistance: 1-199Ω, Current: 1-499mA
Shift	Automatically
External Magnet/Electric Field	< 40A/m, < 1V/m
Resistance Test Frequency	1KHz
Accessories	Resistance Tester: 1PCS; Test Ring: 1PCS; Instrument Case: 1PCS
Interface	USB interface, Software monitoring, Data upload computer
Accessories	Resistance Tester: 1PCS, Test ring: 1PCS, USB data cable I charge cable: 1PCS, Charger. 1PCS, Instrument Case: 1PCS
Clamp Meter Weight	About 1230g (including battery)

Resistance Measurement Accuracy

Range	Resolution	Accuracy
0.010Ω-0.099Ω	0.001Ω	±(1%rdg+0.01Ω)
0.10Ω-0.99Ω	0.01Ω	±(1%rdg+0.01Ω)
1.0Ω-49.9Ω	0.1Ω	±(1%rdg+0.12)
50.0Ω-99.5Ω	0.5Ω	±(1.5%rdg+0.5)
100Ω-199Ω	1Ω	±(2%rdg+1Ω)
200Ω-395Ω	5Ω	±(5%rdg+5Ω
400-590Ω	10Ω	±(10%rdg+10Ω)
600Ω-880Ω	20Ω	±(20%rdg+20Ω)
900Ω-1500Ω	30Ω	±(25%rdg+30Ω)

Current Measurement Accuracy

Range	Resolution	Accuracy
0.00mA-90.999mA	0.001mA	±(1.5%rdg+0.5mA)
0.00mA-9.95mA	0.01mA	±(2%rdg+1mA)
10.0mA-99.0mA	0.1mA	±(2.5%rdg+5mA)
0.30A-2.99A	0.01A	±(2.5%rdg+0.1A)
3.0A-9.9A	0.1 A	±(2.5%rdg+0.3A)
10.0A-20.0A	0.1A	±(2.5%rdg+0.5A）
20.0A-40.0A	0.1 A	±（3%rdg＋1A）

Details

Applications

RDDLZ provides earth resistance testers with a measurement range of 0.00Ω-300kΩ, which are widely used in ground resistance measurement and loop resistance measurement in fields such as electric power, telecommunications, meteorology, oil fields, construction, and industrial electrical equipment. When measuring the grounding system with a loop, the ground resistance tester does not need auxiliary electrodes and does not need to disconnect the grounding wire, which is safer and faster.

4 Tips for Measuring Ground Resistance

When measuring ground resistance with an AC power supply, an independent power supply, usually a separate transformer, should be used, and the neutral point and grounding point should be open to prevent errors caused by shunting or current failure. The voltage level is estimated based on the current loop impedance and the required current.
In many substations, the overhead ground wire of the transmission line is connected with the grounding device of the substation, which will affect the measurement results of the ground resistance of the grounding device of the substation. The lightning conductor of the line is disconnected from the electrical connection of the grounding device of the substation.
Because a large current needs to be injected into the current pole, it will cause harm to nearby people and animals. Therefore, special personnel must be supervised during the earth resistance measurement.
During the test, the current leadership must flow a larger current, therefore, the current loop must have a larger wire cross-section.

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