Tentech EM-4058 Ground Resistance Tester | 0.01 Ω Resolution, 5 Frequencies

Tentech EM-4058 Ground Resistance Tester | 0.01 Ω Resolution, 5 Frequencies is available from Indo Multimeter for engineering, maintenance, calibration, laboratory, and industrial measurement requirements. This Tentech instrument is intended for buyers who need clear technical selection, dependable documentation, and a practical quotation process.

Product overview

The Tentech EM-4058 is a professional ground resistance tester with 0.01 Ω resolution and a 20 kΩ range. It features multiple test frequencies (270 Hz to 1470 Hz), Wenner method for soil resistivity, built-in memory, USB interface, and a printer. Ideal for substations, industrial plants, and distribution networks.

Applications and selection

Choose this instrument based on the required measurement range, accuracy, operating environment, interface or connection, and application requirements. Confirm the exact configuration, accessories, and documentation before purchase, especially when the product is specified for calibration, quality control, process maintenance, or laboratory work.

Technical information

Product OverviewThe Tentech EM-4058 is a digital, microprocessor-controlled ground resistance tester designed for accurate earth resistance and soil resistivity measurements. With a resolution of 0.01 Ω and a measurement range up to 20 kΩ, it meets the requirements of IEC 61557-5 and is suitable for power substations, industrial facilities, and distribution networks. Its multiple test frequencies (270 Hz, 570 Hz, 870 Hz, 1170 Hz, and 1470 Hz) allow you to analyze earth systems under different fault conditions, from industrial frequency to lightning-induced currents.Key Features & HighlightsHigh Accuracy: 0.01 Ω resolution and automatic ranging from 0.01 Ω to 20 kΩ.Multiple Test Frequencies: Selectable frequencies (270 Hz, 570 Hz, 870 Hz, 1170 Hz, 1470 Hz) for versatile testing.Wenner Method: Direct soil resistivity measurement with adjustable spike spacing.Frequency Scan: Automatically measures at all frequencies and calculates average results.High Spurious Voltage Rejection: Ensures reliable measurements even in noisy environments.Built-in Memory & Printer: Store and print measurement results on-site.USB Interface: Transfer data to a PC or data logger for analysis.Remote Control: Operate via Android device for convenience.Portable & Rugged: Lightweight, battery-powered, and designed for field use in severe weather.ApplicationsThe EM-4058 is ideal for testing earth systems in power substations, industrial plants, distribution networks, and telecommunications. It i

Request a quotation

Contact Indo Multimeter for current availability, lead time, technical documentation, and quotation support. Include the model, quantity, and intended application so our team can help verify the appropriate configuration.