UNI-T UT203 Digital Clamp Meter
The UNI-T UT203 Digital Clamp Meter is a versatile AC/DC clamp multimeter designed for electricians, technicians, maintenance professionals, and electrical testing applications. With AC/DC current measurement up to 400A, AC/DC voltage measurement up to 600V, resistance and frequency measurement, and useful functions such as data hold and auto ranging, the UT203 is a practical choice for everyday electrical troubleshooting and testing.
UNI-T UT203 Clamp Meter Features
- AC current measurement up to 400A
- DC current measurement up to 400A
- AC voltage measurement up to 600V
- DC voltage measurement up to 600V
- Resistance measurement up to 40MΩ
- Frequency measurement
- Duty cycle measurement
- Diode test
- Continuity buzzer
- Auto-ranging function
- Data hold function
- Relative (REL) mode
- Low-battery indication
- Auto power-off
- Maximum jaw opening approximately 28 mm
Why Choose the UNI-T UT203 Digital Clamp Meter?
The UT203 clamp meter allows current measurements to be performed using its clamp mechanism, making it useful when working with electrical wiring and circuits where conventional probe-based current measurement may be inconvenient. Its combination of current, voltage, resistance, frequency, diode and continuity functions makes it suitable for a wide range of electrical testing tasks.
The auto-ranging feature simplifies measurements, while the data-hold function allows users to retain a reading on the display when working in difficult-to-view locations.
UNI-T UT203 Specifications
| Specification | UT203 |
|---|---|
| AC Current | 40A / 400A |
| DC Current | 40A / 400A |
| AC Voltage | 4V / 40V / 400V / 600V |
| DC Voltage | 400mV / 4V / 40V / 400V / 600V |
| Resistance | 400Ω to 40MΩ |
| Frequency | Up to 1MHz/10MHz depending on specification/version |
| Jaw Capacity | Approx. 28 mm |
| Display | 3999 counts |
| Functions | Data Hold, REL, Auto Range, Diode, Continuity |
| Power | 9V battery |
| Weight | Approx. 260g |
Specifications can vary between UT203 versions, so verify the exact model/version supplied with your product listing before publishing technical specifications.
Applications
The UNI-T UT203 Digital Clamp Meter can be used for:
- Electrical installation testing
- AC/DC current measurement
- Electrical troubleshooting
- Equipment maintenance
- Industrial maintenance
- Control-panel testing
- Electronics and electrical workshops
- Automotive and general electrical diagnostics





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