Description
The UNI-T UT203 Digital AC/DC Clamp Meter is a reliable and easy-to-use measuring instrument designed for electrical testing and maintenance. Its clamp design allows users to measure current without disconnecting or cutting the circuit, making it especially useful for troubleshooting electrical systems.
The UT203 supports a wide range of measurement functions, including AC/DC current and voltage, resistance, frequency, duty cycle, diode testing, and continuity testing. Its auto-ranging feature makes measurements simple, while the large LCD display provides clear and easy-to-read results.
Designed with full-range overload protection, the UT203 also includes useful functions such as Data Hold, REL mode, sleep mode, and low-battery indication. Its compact and comfortable design makes it suitable for technicians, electricians, maintenance professionals, and DIY users.
Key Features
- AC/DC Current Measurement – Measure current up to 400A
- AC/DC Voltage Measurement – Supports voltage measurements up to 600V
- Auto-Ranging – Automatically selects the appropriate measurement range
- Resistance Measurement – Measures resistance up to 40MΩ
- Frequency Measurement – Measures frequencies from 10Hz to 1MHz
- Continuity Test – Fast audible continuity checking
- Diode Test – Convenient diode testing function
- Duty Cycle Measurement – Useful for electronic signal testing
- Data Hold – Freezes the displayed reading for easy recording
- REL Mode – Allows relative measurement comparisons
- Overload Protection – Helps protect the meter during measurements
- Low Battery Indicator – Alerts you when the battery needs replacement
- Sleep Mode – Helps conserve battery power
- 28 mm Jaw Opening – Suitable for measuring current on a range of conductors
- Compact Design – Comfortable to hold and easy to carry
Specifications
| Specification | Details |
|---|---|
| Model | UNI-T UT203 |
| Product Type | Digital AC/DC Clamp Meter |
| Display | 3¾-digit LCD |
| AC Current | 40A / 400A ±(2.5% + 5) |
| DC Current | 40A / 400A ±(2% + 3) |
| AC Voltage | 4V / 40V / 400V / 600V ±(1% + 5) |
| DC Voltage | 400mV / 4V / 40V / 400V / 600V ±(0.8% + 1) |
| Resistance | 400Ω / 4kΩ / 40kΩ / 400kΩ / 4MΩ / 40MΩ ±(1% + 2) |
| Frequency | 10Hz–1MHz ±(0.1% + 3) |
| Continuity Test | Yes |
| Diode Test | Yes |
| Duty Cycle | Yes |
| Range Selection | Auto-ranging |
| Data Hold | Yes |
| REL Mode | Yes |
| Jaw Opening | 28 mm maximum |
| Measurement Update Rate | 3 times/second |
| Power Supply | 9V Battery (6F22) |
| Safety Rating | IEC 61010 CAT II 600V / CAT III 300V |
| Net Weight | Approx. 260 g |
| Dimensions | 210 × 75.6 × 30 mm |
| LCD Size | 36 × 18 mm |
| Color | Red and Grey |
Package Includes
- 1 × UNI-T UT203 Digital Clamp Multimeter
- 1 × Test Lead
- 1 × Carrying Bag
- 1 × English User Manual
Applications
The UNI-T UT203 is suitable for:
- Electrical system testing
- AC/DC current measurement
- Electrical maintenance and troubleshooting
- Industrial equipment testing
- Electronics and circuit testing
- HVAC and maintenance work
- Automotive electrical testing
- DIY and general-purpose electrical measurements
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