OVERVIEW
GoodProx ground resistance tester GP-RM-EM2KX is an advanced industrial-grade measurement tool designed for efficient, accurate non-contact grounding system testing with seamless data tracking. As a specialized clamp-on earth tester, it features a dedicated 500Ω measurement range—perfect for most industrial, commercial and utility grounding applications—and a built-in data logger that eliminates manual note-taking and ensures data integrity.
Crafted with rugged industrial materials and cutting-edge digital sensing technology, this 500Ω professional clamp-on earth tester with data logger supports one-person on-site operation, delivering fast, reliable results for routine safety inspections, fault diagnosis and preventive maintenance.
Whether you’re working in power systems, telecom or manufacturing, this portable earth resistance clamp tester is the all-in-one solution for your grounding testing and data recording needs.
FEATURES
- 500Ω Specialized Range: This 500Ω clamp-on earth tester offers a dedicated 500Ω measurement range for standard industrial grounding testing.
- Built-in Data Logger: The clamp-on earth tester with data logger enables automatic data storage for easy tracking and analysis of test results.
- Non-Contact Testing: Probe-free operation of the ground resistance tester supports one-person on-site testing and saves operation time.
- High Precision Measurement: Industrial-grade accuracy for stable, repeatable readings from this 500Ω ground resistance tester.
- Portable Clamp Design: Lightweight, ergonomic clamp body of the digital clamp-on earth meter fits tight spaces for field use.
- Backlit LCD Display: Clear digital readouts in low-light environments for the earth tester with data logger.
- Rugged & Durable: Dust/impact-resistant casing and battery-powered design for harsh industrial conditions.
- Fast Response: Instant measurement readouts with no complex calibration for efficient testing workflows.
SPECIFICATION
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Technical Specification
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Model
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GP-RM-EM2KX
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Resistance Range
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0.010Ω~500Ω
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Current Range
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-
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Resistance Range & Accuracy
(23℃±5℃，75%RH)
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Range
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Resolution
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Accuracy
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0.010Ω~0.099Ω
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0.001Ω
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±(1%rdg+0.01Ω)
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0.10Ω~0.99Ω
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0.01Ω
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±(1%rdg+0.01Ω)
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1.0Ω~49.9Ω
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0.1Ω
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±(1%rdg+0.1Ω)
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50.0Ω~99.5Ω
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0.5Ω
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±(1.5%rdg+0.5Ω)
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100Ω~199Ω
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1Ω
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±(2%rdg+1Ω)
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200Ω~395Ω
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5Ω
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±(5%rdg+5Ω)
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400Ω~590Ω
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10Ω
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±(10%rdg+10Ω)
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600Ω~880Ω
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20Ω
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±(20%rdg+20Ω)
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Current Range & Accuracy
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0.00mA~9.95mA
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0.05mA
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±(2.5%rdg+1mA)
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10.0mA~99.0mA
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0.1mA
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±（2.5%rdg+5mA）
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100mA~300mA
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1mA
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±（2.5%rdg+10mA）
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0.30A~2.99A
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0.01A
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±（2.5%rdg+0.1A）
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3.0A~9.9A
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0.1 A
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±（2.5%rdg+0.3A）
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10.0A~20.0A
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0.1 A
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±(3%+1A)
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Clamp Jaw Size
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55mmX32mm
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Tester Dimension
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275mm(L)X85mm(W)X56mm(H)
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Tester Weight
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1130g
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Power Supply
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DC: 6V (4 PCS of LR6 Alkaline batteries)
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Single Measurement Time
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0.5 second
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LCD Screen
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4 Digits LCD display,
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Data Memory
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99 Groups
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Audible & Visible Alarm
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“Du—du—du” alarm sound , press AL key to turn on/off
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Alarm Threshold Setting Range
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Resistance:1~199Ω;Current:1~499mA(only C type)
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Protection Level
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Double insulation
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Gear Shift
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Automatically
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RS232 Interface
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Optional
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Accessories
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Meter: 1PCS; Test Ring: 1PCS; Meter Suitcase: 1PCS
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Warranty
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12 months
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APPLICATIONS
This high-performance 500Ω clamp-on earth tester is the ultimate industrial ground resistance data logger for a wide range of industries and on-site testing scenarios where accurate grounding measurement and data recording are critical:
- Power Industry: Substations, power distribution lines, transformer stations and power plant grounding system inspections, fault testing and data tracking.
- Telecommunications: Telecom base stations, data centers, communication towers and network equipment grounding maintenance with automatic data storage.
- Manufacturing & Heavy Industry: Factory production lines, heavy machinery and industrial equipment grounding safety compliance checks and test record-keeping.
- Construction & Real Estate: Lightning protection grounding testing for commercial buildings, industrial facilities and residential complexes with data logging.
- Property & Facility Management: Routine grounding system maintenance for malls, industrial parks and commercial buildings with organized test data.
- Electrical Maintenance: Professional electrician testing for commercial/industrial grounding installations with easy result retrieval.
- Industrial Safety Inspections: Third-party safety audits requiring documented, accurate grounding resistance measurement data.
PRODUCT DETAILS
Why Choose GoodProx 500Ω Clamp-on Earth Tester?
✅ 500Ω Specialized Range: The ground resistance tester is calibrated for the 500Ω range, matching most standard industrial grounding requirements
✅ Integrated Data Logger: This clamp-on earth tester with data logger automates data storage, eliminating manual errors and simplifying report creation
✅ Non-Contact Convenience: Probe-free operation enables one-person testing, saving time and labor for on-site teams
✅ Industrial-Grade Precision: Lab-calibrated 500Ω ground resistance tester delivers accurate, repeatable results for critical safety checks
✅ Portable & Durable: The portable clamp-on earth meter with automatic data storage is built for harsh industrial field conditions
✅ User-Friendly Design: Intuitive controls and backlit LCD make the earth tester with data logger easy to use for all skill levels
✅ Genuine Quality: Authentic with strict quality control, meeting international electrical testing and data recording standards
