The UT33D+ is UNI-T's new generation UT33+ series of entry-level digital multimeters, redefining performance standards for entry-level digital multimeters.As the preferred choice for electricians, the UT33D+ Beginner Multimeter 200MΩ is designed for electricians, electronics enthusiasts, and DIY users who require reliable measuring tools. It is a high-performance, compact, handheld digital multimeter with comprehensive functions, stable performance, innovative design, and high safety and reliability. This product features enhanced safety standards, ensuring safe operation in CAT II 600V environments, making it particularly suitable for home electrical repairs, electrical equipment installation and maintenance, and small electronic circuit testing.
Xi'an Mingxi Taida Information Technology Co., Ltd. brings over 12 years of industry expertise to deliver cutting-edge measurement and control solutions.With progressed computerization forms and strict quality control, we guarantee each item meets the most noteworthy guidelines for proficient applications.
As a representative product of the UT33+ series, it features NCV (non-contact voltage detection) functionality, allowing users to quickly detect the presence of AC voltage without direct contact with live conductors. This function is particularly useful for electricians' daily inspections and troubleshooting. Its maximum resistance range reaches 200MΩ, far exceeding competing products in the same class, meeting the vast majority of routine measurement needs. Furthermore, the product employs an ergonomically designed rotary dial mechanism, ensuring smooth operation and a comfortable feel; it also comes with a comfortable red silicone protective case with a probe holder, facilitating storage and providing 2-meter drop protection.
• NCV non-contact voltage detection: A signature feature that distinguishes the UT33D+ from other models in the series, it determines the presence of AC voltage by detecting changes in the electric field. Users simply need to bring the NCV sensing area on the top of the meter close to a live conductor to quickly determine if there is voltage.
•200MΩ maximum resistance range: Provides powerful high-resistance measurement capabilities, suitable for testing cable insulation performance, measuring high-resistance values, etc.
•2mF capacitance measurement range: Meets most capacitance testing needs
•Loud buzzer sound: Provides clear audible feedback during continuity testing, easily identifiable even in noisy industrial environments.
| Functions | Descriptions |
| Automatic Power Off | Automatically shuts off after approximately 15 minutes of inactivity |
| Automatic Backlight Off | Backlight automatically turns off 30 seconds after being turned on. |
| Manual Range Selection | The knob is logically designed with clear range selections, making operation intuitive and convenient |
| Data Hold | Freezes the current measurement value for recording or observation. |
| Low Battery Warning | Displays a low battery warning symbol when the battery is low |
| Protection Function | |
| 10A Input Fuse | 10A/250V Φ5×20mm Fast-Blow Type |
| μA/mA Input Fuse | 200mA/250V Φ5×20mm Fast-Blow Type |
| Voltage Measurement Protection | Overvoltage protection mechanism designed for all voltage levels |
| Low Battery Indicator | Warning symbol displayed when battery power is low |
| Physical Protection | Silicone protective case provides 2-meter drop protection |
Functional Comparison of Four Models in the UT33 Series
| Items | UT33A+ | UT33B+ | UT33C+ | UT33D+ |
| Range selection | Auto | Manual | Manual | Manual |
| Capacitance measurement | 2mF | / | / | / |
| Battery test | / | 1.5V/9V/12V | / | / |
| Temperature measurement | / | / | 40°C~1000°C | / |
| NCV function | / | / | / | Support |
| Maximum resistance range | 200MΩ | 20MΩ | 20MΩ | 200MΩ |
| Characteristics | Auto-range all-rounder | Battery detection type | Temperature measuring typ | Electrician's voltage tester |
The UT33D+ is an entry-level manual range multimeter and lacks PC data communication capabilities and accompanying software. For data logging and PC communication functions, it is recommended to choose a higher-end model from UNI-T (such as the UT61E series).
Key Usage Tips
✅Voltage Measurement: Connect the test leads in parallel to the circuit being measured. Connect red to the positive/live wire and black to the negative/neutral wire
✅Current Measurement: Connect the test leads in series to the circuit being measured. Power off before connecting, and power off again after measurement
✅Resistance Measurement: Power off is required for measurement. For high resistance values, wait for the reading to stabilize.
✅Capacitance Measurement: Discharge the capacitor before measuring
✅NCV Detection: Bring the top of the meter close to a live conductor and determine the voltage based on the display and beep
We get it that standard arrangements do not continuously meet one of a kind prerequisites. Our experienced building group gives comprehensive OEM/ODM customization administrations. Whether you require adjusted recurrence ranges, specialized activating alternatives, or custom frame components, we work closely with you to create the idealize arrangement. Our adaptable plan approach guarantees your particular application needs are completely tended to whereas keeping up our quality standards.

Proven Encounter: Over 12 a long time of specialized skill in estimation and control frameworks development.
Expert Designing: Our gifted R&D group ceaselessly innovates to convey cutting-edge arrangements that keep you ahead of industry demands.
Quality Confirmation: Strict fabricating forms and comprehensive testing conventions guarantee dependable, steady performance.
Comprehensive Back: From starting meeting through progressing support, our committed group gives responsive specialized assistance.
Secure Conveyance: Collaborating with trusted coordinations suppliers guarantees secure, followed, and safety net provider shipment of your equipment.
Customer Center: We prioritize your victory with standard follow-ups, fast issue determination, and personalized benefit approaches.


✅Exercise extreme caution when measuring voltages higher than 60V DC or 30V AC RMS
✅Always assume the circuit is live until you are certain the power supply has been disconnected
✅When measuring an unknown voltage, first set the range to its highest setting
✅When measuring current, disconnect the power supply first, then connect the meter in series with the circuit.
✅Before switching functions and ranges, always disconnect the test leads from the circuit being measured
✅Do not measure currents greater than 200mA at the VΩmA port
✅Do not continuously measure at the 10A port for more than 10 seconds (with at least a 1-minute interval).
✅Do not use near explosive gases, vapors, or dust
✅Do not store or use in direct sunlight, high temperatures, or high humidity environments
✅Q: Why can not power on?
A: Battery depleted or poor contact, replace battery and clean contacts.
✅Q: Why no response for current measurement?
A: Incorrect probe connection,confirm correct current input port.
✅Q: Why no beep for continuity test?
A: Resistance too high or open circuit,confirm circuit continuity and resistance <70Ω.
✅Q: Why backlight not lit?
A: Button not pressed or automatically turned off,press backlight button.

If you are looking for an affordable excellent choice. As the UT33D+ Multimeter product line, the UT33D+ Beginner Multimeter 200MΩ is a classic entry-level handheld digital multimeter market.It doesn't make you pay for features you don't need, yet it fully meets your requirements in terms of key measurement capabilities.
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