OVERVIEW
GoodProx 1200A high-voltage clamp tester GP-CUS-068HA is an industrial-grade precision tool engineered for 1200A high-current and high-voltage on-site measurement. This GP-CUS-068HA clamp meter features advanced anti-interference technology and a rugged industrial build, delivering accurate, stable readings in harsh high-voltage working environments.
As a 1200A high-current clamp tester, it’s portable, easy to operate and supports one-person field work—no complex setup required.
FEATURES
- 1200A High-Current Range: Precise measurement for 1200A high current with GP-CUS-068HA 1200A high-voltage clamp tester.
- High-Voltage Compatibility: Specialized for high-voltage electrical system testing scenarios.
- Anti-Interference Tech: Multi-layer filtering for stable readings in high-electromagnetic interference environments.
- Rugged Build: Dust/impact/water-resistant casing for harsh power industry clamp meter field conditions.
- One-Click Operation: Intuitive control for fast, efficient on-site measurement.
- Clear Display: Backlit LCD for easy readouts in low-light industrial/power station environments.
- Battery-Powered: Cable-free portability for remote portable high-voltage clamp testing use.
- Smart Alerts: Low battery + over-range to avoid measurement errors.
SPECIFICATION
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Product Function
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Detecting of AC leakage current/current, higher harmonic current, phase, electric energy, power, power factor etc.
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Product Features
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1. Unique automatic plug and pull clamp structure, no need to interrupt the power supply and disconnect the circuit in testing, easy to carry and especially suitable for on-site online testing. Non-contact measurement, easy to operate, fast, safe and reliable.
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2. Adopts Permalloy core and CT double-layer shielding technology, with high performance and high accuracy, high anti-interference ability, suitable for complex interference environment.
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3. Battery jar could put in 4pcs 1.5V AAA alkaline dry cell and supply power for secondary development.
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4. Insulating rod interface: M24 screw thread.
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5. Insulating strength: AC3700V/ms ( between the core and coil)
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6. Safety class: CATⅢ600V (operate with insulation rod below 60kV)
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7. Working temperature: -15°C~50°C
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Technical Specification
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Model
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GP-CUS-068HA
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Range
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0mA~1200A AC
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Resolution
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1mA
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Accuracy Class
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±1.0%
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Phase Error
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≤2°
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Turn Ratio
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4000:1
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Reference Load
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0 ~ 12A ≤ 300Ω
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0 ~ 120A ≤ 30Ω
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0 ~ 1200A ≤ 3Ω
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Frequency
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10Hz~100kHz
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Clamp Size
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φ68mm
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Dimension
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215mmX135mmX60mm
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Weight
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492g
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Warranty
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12 months
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APPLICATIONS
- Power Industry: Substation/power plant high-voltage line/circuit high-current measurement.
- Electrical Maintenance: High-voltage electrical equipment fault diagnosis and routine testing.
- Industrial Manufacturing: Factory high-voltage production line current/voltage detection.
- Infrastructure: Railway/highway high-voltage power supply system testing.
- Grid Engineering: Power grid high-voltage branch circuit current measurement.
- Heavy Industry: Steel/metallurgy high-voltage machinery electrical testing.
- Electrical Inspection: Third-party high-voltage electrical safety compliance testing.

PRODUCT DETAILS

USAGE NOTES
- Follow high-voltage safety protocols when using the GP-CUS-068HA 1200A high-voltage clamp tester.
- Ensure clamp jaw is clean and closed tightly for accurate GP-CUS-068HA clamp meter readings.
- Avoid testing in extreme electromagnetic interference beyond the anti-interference range.
- Calibrate the 1200A high-current clamp tester regularly per the user manual.
- Do not touch metal parts during high-voltage industrial clamp meter operation.
- Recharge battery fully before remote power industry field work.
- Store in a cool, dry place and keep in the carrying case when not in use.
Why Choose GoodProx GP-CUS-068HA?
✅ 1200A High-Current Precision: 1200A high-current clamp tester ensures accurate industrial/high-voltage measurement.
✅ Strong Anti-Interference: Stable readings in high-electromagnetic interference power industry environments.
✅ On-Site Durability: Rugged build for long-term use in harsh high-voltage field conditions.
✅ Portable & User-Friendly: Lightweight design, one-click operation—suitable for all professional technicians.
✅ Genuine Quality: Strict QC + pre-shipment calibration for consistent performance.
✅ High-Voltage Specialized: Tailored for GP-CUS-068HA 1200A for power industry maintenance and testing.