Sale!
Features & Details
| ⚡ STAKELESS GROUND TESTING | Measures ground loop resistance (0.01Ω-1200Ω) without driving auxiliary ground stakes or disconnecting wires. |
| 🧲 32MM LARGE CLAMP JAW | Long jaw profile slips over flat steel grounding busbars and overhead transmission lines easily. |
| 💧 0.05mA LEAKAGE CURRENT | High-permeability permalloy core resolves low AC leakage currents down to 0.05mA for safety audits. |
| 💾 30-SET DATA STORAGE | Stores resistance readings on-board with visual alarm threshold beeper for out-of-spec grounds. |
About this item
| Key Parameters | UT271A | UT271B | UT271C |
|---|---|---|---|
| Measurement Functions | Ground & Loop Resistance | Resistance + Leakage Current | Resistance + Leakage Current |
| Resistance Range | 0.010Ω – 395Ω | 0.010Ω – 590Ω | 0.010Ω – 1000Ω |
| Current Range | N/A | 0.01mA – 20.0A | 0.01mA – 20.0A |
| Simultaneous Display | Resistance Only | Ω + A Simultaneously | Ω + A Simultaneously |
| Clamp Opening | Φ 32 mm (Large Jaw) | ||
| Data Storage | 500 Groups (with MEM/MR function) | ||
| Resistance Accuracy | Up to ±(1%rdg + 0.01Ω) | ||
| Display Type | 4-Digit LCD with Backlight (46mm x 36mm) | ||
| Safety Standards | CE-EMC (EN 60335-1), CE-LVD (EN 61326-1) | ||
| Power Supply | 1.5V AA Batteries x 4 | ||
Technical Note: All models in the UNI-T UT271 series feature a fast 1 second/time measurement rate and automatic range switching. For environments requiring high-resolution leakage current monitoring along with high resistance thresholds, the UT271C model is the recommended industrial solution.
Commercial Electrical Distribution & Motor Diagnostics
UT271 Series Earth Resistance Clamp Meter – Professional Microprocessor Grounding & Leakage Current Tester Professional Series
Ensuring dependable accuracy during daily operations requires professional equipment engineered to withstand demanding laboratory and industrial environments. This instrument provides verified stability and certified safety compliance across standard protocols. Discover our complete catalog in the Product collection.
Inrush & Peak Current Capture
Captures motor startup inrush current transients cleanly within 100ms, assisting engineers in correctly sizing circuit breakers and overload relays.
Integrated Multimeter Features
Connect test leads to measure AC/DC voltage, resistance, capacitance, frequency, and fast continuity with an audible buzzer alert.
💡
Electrical Insight: True RMS Waveform Verification
Average-responding meters under-read non-sinusoidal currents on modern inverter drives and switching power units by up to 40%. True RMS processing calculates actual thermal power equivalent regardless of harmonic distortion.
Ordering & Model Verification
Verify maximum jaw opening and current range (AC only vs AC/DC) before selecting your preferred model in the right-side buy box.
Related technical categories:
Equipment |
Accessories
Related products:
UT273 clamp-on ground resistance tester
Product guides and documents
UT271A/B/C User manual (PDF)FAQs
1. What are the primary advantages of using a stakeless Earth Resistance Clamp Meter?
First, the primary advantage of the UNI-T UT271 series is the advanced stakeless measurement technology. Specifically, you can obtain accurate ground resistance readings by simply clamping the device around the grounding conductor. Consequently, this method eliminates the time-consuming need for auxiliary grounding stakes and long wire leads. Therefore, it represents the most efficient solution for testing grounding systems in urban or paved environments where soil access is restricted.
2. How do I choose between the UT271A, UT271B, and UT271C models?
Moreover, choosing the correct model depends entirely on your specific resistance range and current testing requirements. Specifically, the UT271A is designed for standard ground and loop resistance tasks up to 395 ohms. In contrast, the UT271B and UT271C models add high-resolution leakage current detection and offer significantly higher resistance thresholds. In fact, the UT271C provides the widest range in the series up to 1000 ohms. Consequently, you should select the version that best matches the complexity of your industrial power or telecommunications infrastructure.
3. Why is leakage current detection important for professional grounding inspections?
Furthermore, the integrated leakage current function in the B and C models provides a more comprehensive diagnostic report of your electrical system’s health. For example, you can monitor small currents from 0.01mA up to 20A while simultaneously checking the ground resistance. Besides this, the microprocessor automatically filters out signal interference to ensure data accuracy even in high-noise industrial zones. Thus, this dual-functionality allows technicians to identify potential wiring faults and safety risks during a single, non-contact inspection pass.
4. Can the UT271 series store measurement data for long-term technical reporting?
Finally, every UNI-T Earth Resistance Clamp Meter includes advanced data management features to support professional technical reporting. To illustrate this, the internal memory can store up to 500 groups of measurements for easy retrieval and analysis. Moreover, the clear LCD with backlight and the robust safety certifications ensure reliable operation in demanding field conditions. In conclusion, utilizing this professional series will enhance your technical diagnostic efficiency and maintain the highest safety protocols for your engineering team starting today.
UNI-T UT271 Series Earth Resistance Clamp Meter – Professional Microprocessor Grounding & Leakage Current Tester
Price range: $219.99 through $339.99
6–12 Month Warranty
Repair & Refund support available for most products.
Free Worldwide Shipping
Ships within 3 business days.
Taxes & Duties
Buyer responsible for local import fees.
24/7 After-Sales Support
Technical assistance & video guidance within 24h.
UNI-T UT271 Series Earth Resistance Clamp Meter – Professional Microprocessor Grounding & Leakage Current Tester
Sale!
Price range: $219.99 through $339.99
Features & Details
| ⚡ STAKELESS GROUND TESTING | Measures ground loop resistance (0.01Ω-1200Ω) without driving auxiliary ground stakes or disconnecting wires. |
| 🧲 32MM LARGE CLAMP JAW | Long jaw profile slips over flat steel grounding busbars and overhead transmission lines easily. |
| 💧 0.05mA LEAKAGE CURRENT | High-permeability permalloy core resolves low AC leakage currents down to 0.05mA for safety audits. |
| 💾 30-SET DATA STORAGE | Stores resistance readings on-board with visual alarm threshold beeper for out-of-spec grounds. |
| Key Parameters | UT271A | UT271B | UT271C |
|---|---|---|---|
| Measurement Functions | Ground & Loop Resistance | Resistance + Leakage Current | Resistance + Leakage Current |
| Resistance Range | 0.010Ω – 395Ω | 0.010Ω – 590Ω | 0.010Ω – 1000Ω |
| Current Range | N/A | 0.01mA – 20.0A | 0.01mA – 20.0A |
| Simultaneous Display | Resistance Only | Ω + A Simultaneously | Ω + A Simultaneously |
| Clamp Opening | Φ 32 mm (Large Jaw) | ||
| Data Storage | 500 Groups (with MEM/MR function) | ||
| Resistance Accuracy | Up to ±(1%rdg + 0.01Ω) | ||
| Display Type | 4-Digit LCD with Backlight (46mm x 36mm) | ||
| Safety Standards | CE-EMC (EN 60335-1), CE-LVD (EN 61326-1) | ||
| Power Supply | 1.5V AA Batteries x 4 | ||
Technical Note: All models in the UNI-T UT271 series feature a fast 1 second/time measurement rate and automatic range switching. For environments requiring high-resolution leakage current monitoring along with high resistance thresholds, the UT271C model is the recommended industrial solution.
Commercial Electrical Distribution & Motor Diagnostics
UT271 Series Earth Resistance Clamp Meter – Professional Microprocessor Grounding & Leakage Current Tester Professional Series
Ensuring dependable accuracy during daily operations requires professional equipment engineered to withstand demanding laboratory and industrial environments. This instrument provides verified stability and certified safety compliance across standard protocols. Discover our complete catalog in the Product collection.
Inrush & Peak Current Capture
Captures motor startup inrush current transients cleanly within 100ms, assisting engineers in correctly sizing circuit breakers and overload relays.
Integrated Multimeter Features
Connect test leads to measure AC/DC voltage, resistance, capacitance, frequency, and fast continuity with an audible buzzer alert.
💡
Electrical Insight: True RMS Waveform Verification
Average-responding meters under-read non-sinusoidal currents on modern inverter drives and switching power units by up to 40%. True RMS processing calculates actual thermal power equivalent regardless of harmonic distortion.
Ordering & Model Verification
Verify maximum jaw opening and current range (AC only vs AC/DC) before selecting your preferred model in the right-side buy box.
Related technical categories:
Equipment |
Accessories
Related products:
UT273 clamp-on ground resistance tester
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