Ground Resistance Tester 2/3/4 Wire 0.03Ω-2000Ω Earth Ground Meter AC/DC Voltage for Sale

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Ground Resistance Tester 2/3/4 Wire 0.03Ω-2000Ω Earth Ground Meter AC/DC Voltage For Sale

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Ground Resistance Tester 2/3/4 Wire 0.03Ω-2000Ω Earth Ground Meter AC/DC Voltage:
$79.75

Ground Resistance Tester 2/3/4 Wire 0.03Ω-2000Ω Earth Ground Meter AC/DC Product Overview – Built for Electricians Who Need It Right, Every Time

You\'re on the job site. You need to verify a ground rod is within code before the inspector shows up. Or you\'re troubleshooting a nuisance trip on a GFCI and suspect a bad ground. Or you\'re commissioning a new panel and need documentation for every electrode.

This is the tool that gets it done.

The2/3/4-Wire Ground Resistance Testeris a professional-grade digital instrument purpose-built forelectricians,electrical contractors,maintenance crews, andfacility engineers. It measuresearth ground resistance (Re)quickly, accurately, and reliably – from a few hundredths of an ohm up to 2000Ω. It also handlesAC/DC voltage checks, so you carry one meter instead of two.

No complicated setup. No guesswork. Just solid, verifiable numbers you can take to the bank – or the inspector.

⚡ Why This Tester Belongs in Your Tool BagWhat You NeedHow This Tester DeliversQuick ground rod verification3-Wire mode gives you accurate earth resistance in seconds – just drive two stakes, connect, and press TESTHighest precision for critical systems4-Wire mode eliminates test lead resistance entirely – essential for sensitive equipment grounding\"Good enough\" check when you can\'t drive stakes2-Wire mode uses an existing ground (like a metal water pipe) as reference for fast troubleshootingNo need for a second meterMeasures 0–600V AC and 0–1500V DC – verify voltage presence while you\'re already thereConfidence in your readingsPASS/FAIL indicator tells you if the test is valid – no second-guessingNo callbacksAccurate results mean you fix the problem the first time📊 Technical Specifications – What You\'re Working WithSpecificationDetailGround Resistance Range0.03Ω – 2000Ω (4 ranges: 2Ω / 20Ω / 200Ω / 2000Ω) – auto-rangingResolution0.001Ω (2Ω range) to 1Ω (2000Ω range)Accuracy±3% rdg. ±5 dgt (20Ω–2000Ω) / ±5% rdg. ±0.1Ω (2Ω range)Test Methods2-Wire(quick check),3-Wire(standard),4-Wire(high precision)Test FrequencyApprox. 820Hz – avoids interference from line noiseTest CurrentMax. approx. 3.6mA – safe for sensitive equipmentAC Voltage0 – 600V AC (50/60Hz) – line voltage checksDC Voltage0 – 1500V DC – PV and battery system checksDisplayLarge LCD withbacklight– visible in dim electrical rooms and outdoor sunlightData HoldFreeze readings while you write them downAuto Power OffAfter 5 minutes – never drain batteries by accidentPower6 × AA batteries (included) – standard size, easy to replaceSafety RatingCAT III 600V / CAT IV 300V– rated for use up to the service entranceDimensions173 × 125 × 68 mmWeightApprox. 600g (1.3 lbs) – light enough for daily carryOperating Temp0°C – 40°C (accuracy) / -10°C – 50°C (functional)🛠️ Which Test Method Should You Use?ModeWhen to UseSetup2-WireQuick check when youcan\'t drive auxiliary rods– use a known good ground (water pipe, building steel) as referenceConnect E/COM + H/V only3-WireStandard daily usefor ground rod verification, panel grounding, and most NEC compliance checksDrive 2 rods + connect E/COM, S, H/V4-WireHighest accuracy– eliminates test lead resistance. Use for sensitive electronics, medical equipment, or when you need documentation-grade dataDrive 2 rods + connect E/COM, ES, S, H/V

💡Pro Tip for Electricians:For 95% of your daily work – ground rods, panel grounds, and equipment grounding –3-Wire modeis your go-to. It\'s fast, accurate, and meets all standard inspection requirements. Save 4-Wire for critical systems or when lead resistance matters.

⚠️ What the Tester Tells YouDisplay MessageWhat It MeansWhat To DoPASS✅Test result is valid – you\'re good to goRecord the reading and move onFAIL❌Something is wrong with the test setupCheck rod connections, moisten dry soil, or move rods away from interferenceRc HIGHAuxiliary rod resistance is too highWater the area around the rods or reposition themNOISE / Uc HIGHElectrical interference is affecting the readingMove rods away from energized lines or wait for equipment to cycle offBATTERY LOWReplace batteries soonSwap in fresh AAs before your next critical testOLReading exceeds selected rangeSwitch to a higher range or check for open circuit🔧 On-the-Job Applications – Where This Tester Saves You TimeJob / TaskWhy You Need This TesterVerifying new ground rod installationsProve resistance is ≤25Ω per NEC Article 250 before backfillingTroubleshooting GFCI nuisance trippingPoor grounding is a leading cause – test and fix fastPanel and sub-panel grounding checksEnsure bonding and grounding are intactUPS and generator groundingCritical for equipment protection and data center reliabilityLightning protection system verificationNFPA 780 requires documented ground resistance testingMotor and VFD groundingProper grounding reduces bearing current and premature failureRetrofit and remodel inspectionsProve existing grounds are still within specMedical equipment groundingEssential for patient safety and complianceLieferumfang
4 Erdungssonden
4 Messleitungen (Rot 15m, Gelb 10m, Grün 5m, Schwarz 5m)
1 Paar Multimeter-Prüfspitzen (für Note: Two additional ground rods are included – a total of 4 rods in the box. Use 2 rods for 3-Wire tests, all 4 rods for soil resistivity (if needed). ✅ Safety & Compliance – Built to Electrical Standards

This tester is designed for the working electrician. It meets the standards that matter:

StandardWhat It Means For YouIEC 61010-1 CAT III 600V / CAT IV 300VRated for use on branch circuits and up to the main service entrance – safe for commercial and industrial sitesIEC 61557-1, 5Specific standard for ground resistance testers – this is the real deal, not a cheap knockoffDouble Insulation (Class II)No ground wire needed for operator protection – safety is built inOverload ProtectionE–S terminals protected against AC280V for 10 seconds – survives accidental contact with live lines❓ Frequently Asked Questions – From Electricians, For Electricians

Q: What\'s the difference between 3-Wire and 4-Wire? When do I use each?

3-Wireis what you\'ll use 95% of the time – ground rods, panel grounds, equipment grounds.4-Wireremoves the resistance of the test lead itself, giving you the absolute most accurate reading. Use 4-Wire for sensitive electronics (medical, datacenter) or when verifying a low-impedance ground (under 1Ω). For daily electrical work, 3-Wire is standard and accepted by inspectors.

Q: Can I test a ground rod without driving auxiliary rods?

Yes – use2-Wire modeand connect to a known good ground like a metal water pipe, building structural steel, or the service neutral. This gives you a \"good enough\" reading for troubleshooting. For official inspections, use 3-Wire.

Q: How close do the auxiliary rods need to be to the ground rod I\'m testing?

For best results, place the S rod 5–10 meters from the ground rod, and the H rod another 5–10 meters beyond that in a straight line. Deeper or larger ground systems may need greater spacing. The manual has detailed diagrams.

Q: Can this tester measure soil resistivity too?

Yes – it\'s built-in. Switch to ρ mode, set the electrode spacing (1–30m), and drive all 4 rods in a straight line. The meter calculates ρ = 2πaRg automatically. Handy for site surveys before you drive the first ground rod.

Q: How long does the battery last on the job?

With typical use – a few dozen tests per day – you\'ll get weeks or months from a set of alkaline AAs. The low battery warning gives you plenty of notice. Use lithium AAs for cold-weather work.

Q: Will this tester work on a solar site?

Absolutely. The1500V DCcapability is specifically for PV systems. You can verify DC voltage, then switch to ground testing without swapping meters.

📝 Quick Start Guide – Testing a Ground Rod in 60 Seconds

Drive two auxiliary rodsinto the ground – one at 5m, one at 10m from the rod you\'re testing
Connectthe black lead to the ground rod, yellow to the near auxiliary rod, red to the far auxiliary rod
Set the dialto the 3-Wire position and the appropriate Ω range
Press TEST– wait 3–5 seconds
Read the result– if it shows PASS ✅, you\'re good. If it shows FAIL ❌, check your connections and try again

That\'s it. No PhD required.

🏆 Why Electrical Contractors Choose This TesterFeatureWhy It Matters On the JobPASS/FAIL indicatorNo more second-guessing whether the reading is valid – especially valuable in noisy industrial environmentsInterference detectionThe meter tells you when electrical noise is affecting the reading – so you can fix it and get an accurate resultLead compensation (Rk)Saves your test lead resistance so you don\'t have to subtract it manually – less math, less errorBacklit displayDark electrical rooms, outdoor jobs in the shade, or late-day work – you can still read it clearlyAuto power offForgets to turn it off at the end of a long day? The tester remembers for you – preserves battery lifeCompact and light1.3 lbs – carries easy in your tool bag, doesn\'t weigh you downAll-in-oneGround test + voltage test + continuity check – one tool, one bag, one jobPaymentDelivery detailsTerms of salesAbout usContact usPayment

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Delivery details

The item will be shipped within 1 business days from ourUnited States, United Kingdom, Australiawarehouse directly.
The parcel are usually delivered in 2-8 business days.
We will do our best provide best products and high quality service for you.
Please contact the seller before you request the return.
We offer a 30 day money back guarantee for all goods shipped correctly that are no longer required - only if they are unused.
Please contact the seller before you request the return.

Terms of sales

The item will be shipped within 1 business days from ourUnited States, United Kingdom, Australiawarehouse directly.
The parcel are usually delivered in 2-8 business days.
We will do our best provide best products and high quality service for you.
Please contact the seller before you request the return.

About us

BESTMETER (ZHUHAI) ELECTRONIC TECHNOLOGY LIMITED is one of the Test and Measurement solutions provider in China. BTMETER R&D centers in Zhuhai,capable of manufacturing innovative, reliable, high quality, safe to use, and user friendly products.
Our fast growing range of online products will help cater for your every need. This may include Test and Measurement and many more...
We aim to provide fast, reliable and efficient service and ensure the best possible products are supplied. Our ambitions are to grow and develop the company by satisfying customers\' needs.

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