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Victor Clamp Grounding Resistance Tester – Automatic Range, Double Insulation, Anti-Interference, Safe & Fast Ground Resistance Measurement 641 Series
Price range: $119.99 through $159.99
Victor 6410 / 6411 / 6412 / 6412+ Series Clamp Grounding Resistance Tester is a family of professional, auto-ranging instruments designed for fast, safe, and non-intrusive measurement of ground resistance and (on select models) leakage current. Unlike traditional three-pole fall-of-potential testers, this Clamp Grounding Resistance Tester requires no auxiliary ground spikes or disconnection of the ground electrode – simply clamp around the ground conductor or tower leg and read the result in 0.5 seconds.
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Whether you are a utility engineer, electrical safety auditor, or maintenance technician, the 6410 series Clamp Grounding Resistance Tester delivers lab-grade accuracy, field-rugged durability, and time-saving convenience – all without disconnecting ground systems or driving test rods. For reliable grounding assessment from 0.01Ω to 1200Ω, this is the Clamp Grounding Resistance Tester you can trust.
- All-in-One Clamp Grounding Resistance Tester for Multiple Applications
Whether you need basic ground resistance testing (6410, 6412+) or combined resistance and leakage current measurement (6411, 6412), this series of Clamp Grounding Resistance Tester delivers reliable performance for power systems, telecom towers, lightning protection, industrial equipment, and utility substations. - Wide Resistance Range to Match Your Needs
The 6410 and 6411 models measure from 0.010Ω to 200Ω, while the 6412 and 6412+ extend the range up to 1200Ω, making this Clamp Grounding Resistance Tester suitable for low-resistance grounding grids as well as higher-resistance soil or rocky ground conditions. - High Accuracy Across Sub-Ranges
With resolution as fine as 0.001Ω and accuracy up to ±(1%rdg + 0.01Ω) in the lowest range, this Clamp Grounding Resistance Tester ensures precise readings from 0.010Ω to 0.099Ω, right up to 1200Ω with ±20%rdg + 20Ω. - Built-in Current Measurement (6411 & 6412)
Unlike basic models, the 6411 and 6412 variants include leakage current measurement from 0.00mA to 30.0A, turning your Clamp Grounding Resistance Tester into a dual-function tool for ground fault diagnosis and stray current detection. - Fast One-Second Measurement
Each test takes only 0.5 seconds – no auxiliary rods, no disconnecting ground conductors. Just clamp and read. That’s the efficiency of a modern Clamp Grounding Resistance Tester. - Double Insulation for Operator Safety
Rated with double insulation and designed with jaw-type structure, this Clamp Grounding Resistance Tester provides safe handling even in live electrical environments, protecting users from accidental shocks. - Excellent Anti-Interference Performance
With external magnetic field rejection <40A/m and external electric field rejection <1V/m, this Clamp Grounding Resistance Tester delivers stable readings even near heavy busbars, transformers, or high-voltage lines. - Automatic Range Shifting – No Manual Guesswork
The Clamp Grounding Resistance Tester automatically selects the optimum range, reducing operator error and speeding up field testing. Just power on, clamp, and read. - Large HD LCD Display with Clear Indication
The 47mm × 28.5mm 4-digit LCD screen shows resistance or current values clearly, even in bright outdoor conditions – a must for any professional Clamp Grounding Resistance Tester. - 99-Group Data Storage
Record up to 99 measurements directly on the Clamp Grounding Resistance Tester and recall them later for trend analysis or report generation – no need for pen and paper. - Adjustable Alarm Limits
Set resistance alarms from 1Ω to 199Ω and (on 6411/6412) current alarms from 1mA to 499mA. The Clamp Grounding Resistance Tester will alert you immediately when values exceed safe thresholds. - Data Hold & Auto Power-Off
Freeze readings on screen with the HOLD function, and conserve battery life with automatic shutdown. Every Clamp Grounding Resistance Tester in the 6410 series includes these practical field features. - Rugged, Portable Design
Weighing only 860g (including batteries) and measuring 275mm × 97mm × 56mm, this Clamp Grounding Resistance Tester is easy to carry in one hand and operate in tight spaces, such as control cabinets or buried ground leads. - Wide Operating Environment
Rated for -10°C to +55°C and 10% to 90% relative humidity, this Clamp Grounding Resistance Tester performs reliably in summer heat, winter cold, and humid coastal or rainy conditions. - Powered by Standard Alkaline Batteries
Uses 4 × LR6 (AA) 1.5V batteries – no special rechargeable packs needed. A truly field-ready Clamp Grounding Resistance Tester keeps working as long as you have spare batteries. - Test Frequency >1kHz for Reduced Noise
By operating at higher than 1kHz, this Clamp Grounding Resistance Tester minimizes the influence of 50/60Hz stray currents, giving you cleaner ground resistance readings. - Perfect for Preventive Maintenance
Regular checks with a Clamp Grounding Resistance Tester help detect rising ground resistance before equipment damage or safety hazards occur – ideal for facility managers and electrical safety engineers.
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