Description
The UNIT UT890C is a high-precision, feature-rich digital multimeter engineered for comprehensive electrical measurements in professional and hobbyist environments. Designed with a large 6000-count LCD with backlight, it delivers clear readings even in low-light conditions . The meter is built around True RMS measurement technology, ensuring accurate readings of non-sinusoidal AC signals found in modern electrical systems . Its robust safety ratings and extensive function set make it a versatile tool for electricians, technicians, and electronics enthusiasts who require reliable performance across a wide range of applications.
Key Features
- Comprehensive Measurement Functions: Capable of measuring AC/DC voltage (up to 1000V DC / 750V AC), AC/DC current (up to 20A), resistance (up to 60MΩ), capacitance (up to 100mF), frequency (up to 10MHz), and temperature (-40°C to 1000°C)
- True RMS Measurement: Provides accurate readings for distorted or non-sinusoidal AC waveforms, essential for modern industrial and commercial electrical work
- Advanced Safety Features: CAT II 1000V / CAT III 600V safety rating with overload protection, fuse blow alarm, and high-voltage misdetection warning for safe operation in high-risk environments
- Non-Contact Voltage Detection (NCV): Safely detects live wires with both audible and visual alerts without physical contact
- Data Management Functions: Includes Data Hold, Relative Mode (REL), Max/Min recording, and auto power-off (15 minutes) for convenient and efficient testing
- User-Friendly Design: Large backlit 6000-count display, ergonomic rubberized casing with built-in stand, and test lead storage slot for hands-free operation and portability
- Transistor Test (hFE): Dedicated test port for measuring transistor gain, useful for electronics troubleshooting
- Manual Range Selection: Allows precise control over measurement ranges for specialized applications.
Specifications
| Parameter | Specification |
|---|---|
| Display | 6000-count LCD with backlight |
| DC Voltage | 600mV / 6V / 60V / 600V / 1000V; Accuracy: ±(0.5% + 2 digits) |
| AC Voltage | 6V / 60V / 600V / 750V; Accuracy: ±(0.8% + 3 digits) |
| DC Current | 60μA / 600μA / 6mA / 60mA / 600mA / 20A; Accuracy: ±(0.8% + 8 digits) |
| AC Current | 60μA / 600μA / 6mA / 60mA / 600mA / 20A; Accuracy: ±(1% + 12 digits) |
| Resistance | 600Ω / 6kΩ / 60kΩ / 600kΩ / 6MΩ / 60MΩ; Accuracy: ±(0.8% + 3 digits) |
| Capacitance | 9.999nF / 99.99nF / 999.9nF / 9.999μF / 99.99μF / 999.9μF / 9.999mF / 99.99mF (up to 100mF); Accuracy: ±(3% + 10 digits) |
| Frequency | 9.999Hz ~ 9.999MHz; Accuracy: ±(1.0% + 5 digits) |
| Temperature | -40°C to 1000°C (-40°F to 1832°F); Accuracy: ±(1.0% + 3) |
| True RMS | Yes |
| Safety Rating | CAT II 1000V / CAT III 600V |
| Power Supply | 2 × 1.5V AAA batteries |
| Operating Temperature | 0°C to 40°C |
| Storage Temperature | -10°C to 50°C |
| Dimensions | 183 × 88 × 56 mm |
| Weight | 346g - 395g (including batteries) |
Application
- Electrical Testing: Ideal for electricians and technicians measuring voltage, current, resistance, capacitance, temperature, and frequency in circuits, appliances, and industrial equipment
- Maintenance & Troubleshooting: Essential for diagnosing electrical faults in HVAC systems, factory equipment, and electronic devices
- Field Work: Portable design with built-in stand and test lead storage makes it suitable for on-site measurements and inspections
- Electronics Development: Useful for prototyping, circuit debugging, and component testing in R&D and educational settings
Datasheet:
For detailed technical information, refer to the UNIT UT890C Datasheet provided by the manufacturer.