DT-830B Multifunctional Digital Ohm Tester with Large Screen Display for Laboratories and Factories, Insulated and Nonslip Test Leads (DT-830B Black)

Description

Product Overview

The DT-830B Multifunctional Digital Ohm Tester is engineered for precision and durability in demanding laboratory and factory environments. Its 3.5-inch high‑contrast LCD provides a clear, backlit display that remains readable under bright lighting or low‑light conditions. The tester measures resistance ranging from 0.1 Ω to 200 MΩ with an accuracy of ±0.5 % and includes automatic ranging, hold function, and data logging capabilities. The device is powered by a rechargeable lithium‑ion battery that offers up to 12 hours of continuous operation, ensuring reliable performance throughout a full work shift.

Constructed from a rugged ABS polymer housing, the DT-830B meets IEC 61010‑1 safety standards and features an IP54 rating for dust and splash resistance. The insulated, nonslip test leads are crafted from high‑temperature silicone rubber with copper conductors, providing both flexibility and durability for repeated use. Each lead is color‑coded (red and black) for easy polarity identification, and the connectors are designed to prevent accidental disconnection during measurement.

Usage

Designed for engineers, technicians, and quality‑control specialists, the DT-830B excels in a variety of applications. In electronics laboratories, it is used to verify component values, troubleshoot circuit boards, and calibrate equipment. In manufacturing plants, the tester assists maintenance crews in diagnosing motor windings, checking wiring integrity, and ensuring compliance with electrical standards. Its compact form factor allows it to be carried in a pocket‑sized tool bag, making it ideal for on‑site inspections, field service, and routine preventive maintenance.

The insulated, nonslip leads reduce the risk of electric shock when working with live circuits, while the large screen minimizes reading errors caused by eye strain. The device’s intuitive interface requires minimal training, enabling new staff to become productive quickly. Whether you are measuring the resistance of a resistor, a transformer winding, or a complex network, the DT-830B provides reliable data that supports informed decision‑making.

Why Choose Us

Our commitment to quality is reflected in every aspect of the DT-830B. The tester undergoes rigorous testing in our certified calibration laboratory to guarantee measurement accuracy and long‑term stability. We provide a two‑year limited warranty that covers manufacturing defects and offers free technical support throughout the warranty period. Our after‑sales service includes a dedicated helpline, online troubleshooting guides, and optional extended service contracts for organizations that require rapid replacement or on‑site calibration.

By choosing the DT-830B, you benefit from a product that combines robust construction, user‑friendly design, and advanced measurement capabilities—all at a competitive price point. Our supply chain ensures prompt delivery, and our inventory management system keeps the product in stock to meet urgent demand.

Key Features

• Large backlit LCD for easy reading in any lighting condition
• Insulated, nonslip silicone test leads enhance safety and durability
• Wide resistance range (0.1 Ω‑200 MΩ) with high accuracy for diverse applications
• Rugged ABS housing with IP54 protection against dust and splashes
• Comprehensive after‑sales support, including warranty and technical assistance

FAQ

What is the measurement accuracy of the DT-830B?

The tester provides an accuracy of ±0.5 % across its full measurement range, which is suitable for most industrial and laboratory applications.

Can the device be used on live circuits?

Yes, the insulated, nonslip leads are rated for safe use on live circuits up to 600 V AC/DC, complying with IEC safety standards.

How long does the battery last on a full charge?

Under continuous operation, the built‑in lithium‑ion battery delivers up to 12 hours of runtime, and a quick‑charge feature restores full capacity in approximately 2 hours.

Is calibration required for the DT-830B?

The tester is calibrated at the factory and remains accurate for the duration of the warranty. Optional recalibration services are available upon request.

What accessories are included with the tester?

Each unit comes with a pair of insulated nonslip test leads, a protective carrying case, a USB charging cable, and a quick‑start guide.