UNI-T UT33B+ Palm Size Digital Multimeter with Battery Test
The UNI-T UT33B+ Palm-Size Digital Multimeter is a rugged, compact entry-level meter designed for electronics hobbyists, field technicians, and everyday household troubleshooting. Built to withstand 2-meter drops, this upgraded UT33+ series unit features a clear backlit LCD, DC/AC voltage measurement up to 600V, 10A DC current, resistance, and a dedicated 1.5V / 9V / 12V battery testing function under real load.
Redefining the standards for entry-level test equipment, the UNI-T UT33B+ Palm-Size Digital Multimeter delivers durable safety and testing accuracy in a pocket-friendly footprint. The upgraded UT33+ series is engineered with industrial-grade safety protections, featuring a comfortable shock-absorbing protective holster certified to survive harsh 2-meter drop impacts.
The standout feature of the UT33B+ model is its specialized Battery Test Mode, which applies an internal load during testing (supporting 1.5V, 9V, and 12V cells) rather than measuring open-circuit voltage. This gives an immediate, truthful readout of whether a battery is healthy, weak, or dead. Paired with clear probe test slots, an integrated kickstand, and a crisp auto-off backlit screen, the UT33B+ is the go-to pocket diagnostic tool for automotive panels, electronic benches, and home circuits.
Key Highlights
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Dedicated Battery Test Function: Tests 1.5V, 9V, and 12V batteries under loaded condition to reveal real discharge performance and internal health.
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Drop-Resistant Build: Encased in a reinforced rubberized protective holster proven to survive 2-meter workshop drops.
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Clear Backlit Display: 1999-count LCD screen with a bright manual backlight for reading measurements in dark server racks and engine bays.
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Safe Ergonomic Design: Features integrated test lead storage slots, a sturdy fold-out kickstand, and compliance with CAT II 600V safety certifications.
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Versatile Range Selector: Smooth rotary dial selector covering DC voltage, AC voltage, DC current up to 10A, resistance up to 20MΩ, and diode testing.
Technical Specifications
| Specification | Measurement Range / Details |
| Brand | UNI-T |
| Model / SKU | UT33B+ |
| DC Voltage | 200mV / 2000mV / 20V / 200V / 600V |
| AC Voltage | 200V / 600V |
| DC Current | 200μA / 200mA / 10A |
| Resistance | 200Ω / 2000Ω / 20kΩ / 200kΩ / 20MΩ |
| Battery Test | 1.5V / 9V / 12V (with built-in load resistor) |
| Display Count | 1999 Counts |
| Drop Test Rating | 2 Meters |
| Safety Standard | CAT II 600V |
| Power Source | 2x 1.5V AAA Batteries |
Package Contents
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1x UNI-T UT33B+ Palm-Size Digital Multimeter
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1x Pair CAT-Rated Precision Test Leads
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1x Integrated Protective Rubber Holster
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1x User Manual
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