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UNI-T UT33B+ Digital Multimeter with Battery Tester (Palm-Sized, 2000 Counts)

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The standout feature of the "B" variant in this series is its dedicated Battery Test function. While a standard multimeter only measures a battery's "floating" voltage (which can falsely read as fully charged even if the battery is practically dead), the UT33B+ applies an internal physical load to 1.5V, 9V, and 12V batteries. This gives you an accurate, real-world assessment of whether your battery can actually power a device. Alongside this, it effortlessly measures DC and AC voltage up to 600 Volts, DC current up to 10 Amps, and resistance. Supported by a crisp, backlit LCD display and clever built-in test lead holders, it is an essential diagnostic tool for both the home and the hardware lab.

Key Features & Functional Advantages

  • Dedicated Battery Tester: Features specific settings for 1.5V, 9V, and 12V batteries that apply an internal load, providing a true assessment of battery health rather than a false open-circuit reading.

  • Exceptional Durability: Encased in a rugged, vibrant red protective holster that provides excellent grip and is factory-certified to withstand a 2-meter drop onto hard surfaces.

  • Integrated Lead Storage: The rear of the protective case features custom-molded slots, allowing you to neatly snap your test probes into place when not in use, preventing tangled wires and damaged tips.

  • Clear, Illuminated Display: The 2000-count LCD screen features a bright, dedicated backlight, making it incredibly easy to read your measurements inside dark equipment cabinets or under automotive dashboards.

  • Smart Power Management: Automatically powers down after 15 minutes of inactivity to save battery life, running on standard AAA batteries rather than expensive 9V blocks.

Perfect For

  • Household Maintenance: The absolute best tool for definitively testing whether AA, AAA, or 9V smoke detector batteries are truly dead or still have usable capacity.

  • Automotive Diagnostics: Quickly checking the true resting voltage of a 12-Volt car battery, testing alternator outputs, and verifying fuses.

  • DIY Electronics & Prototyping: A rugged, reliable daily driver for hobbyists needing accurate voltage, resistance, and continuity testing on custom breadboard projects.

  • Educational Environments: An incredibly tough, forgiving, and easy-to-read meter for students learning the fundamentals of circuit analysis and power diagnostics.

Technical Specifications

  • Device Type: Manual-Ranging Digital Multimeter with Battery Tester

  • Display: 2000 Counts LCD with Backlight

  • DC Voltage Range: 200.0mV to 600V

  • AC Voltage Range: 200.0V to 600V

  • DC Current Range: 200.0μA to 10.00A (No AC Current Measurement)

  • Resistance Range: 200.0Ω to 20.00MΩ

  • Battery Test Function: 1.5V, 9V, and 12V under load

  • Safety Rating: CAT II 600V

  • Extra Functions: Data Hold, Diode Test, Continuity Buzzer

  • Power Source: 2 x 1.5V AAA Batteries

  • Dimensions: 134mm x 77mm x 47mm

Ensure your order is placed by 2PM to guarantee next-day delivery! Our commitment to prompt service includes a 24-hour delivery system through our network of carriers, aimed at ensuring your package arrives right on schedule.

Please note, a delivery fee of €4.99 applies for orders under €50. For those in remote areas, be aware that our couriers may apply an extra surcharge. This additional fee helps cover the costs of transporting your items to harder-to-reach locations.