Metravi CET-05 Clamp On Ground Resistance Tester

Metravi CET-05 Earth Clamp Tester is a compact and reliable digital grounding tester designed for quick, safe, and accurate earth resistance measurement without disconnecting the grounding conductor. Ideal for electricians, maintenance engineers, telecom technicians, utility professionals, and industrial service teams, this battery-operated clamp tester is built for efficient field use in substations, electrical panels, towers, lightning protection systems, and industrial grounding networks. It features an elliptical jaw with 65 mm x 32 mm opening and 35 mm span, making it suitable for convenient clamping around earth conductors in tight spaces. The tester offers a resistance range of 0.01 Ohm to 200 Ohm with ±1% accuracy, helping users perform dependable grounding checks and preventive maintenance inspections. Its backlit LCD ensures clear visibility in low-light environments, while auto ranging, data hold, auto power-off, and low battery indication improve ease of use during extended work. With audio and visual alarm functions, memory for 99 records, and optional RS232 PC interface support, the Metravi CET-05 is well suited for data recording and reporting. Powered by four AA alkaline batteries, this rugged earth clamp tester combines portability, safety, and professional performance for routine testing and fault diagnosis. Available on EnvMart, these Insulation Testers are essential tools for verifying the integrity of electrical insulation in wiring, motors, and equipment—critical for ensuring operational safety and efficiency. Metravi Insulation Testers are respected for their high voltage testing capability, accuracy, and rugged design, making them a top pick for electrical professionals and maintenance engineers.