UNI-T UT139C Digital Multimeter

The UNI-T UT139C is a high-performance digital multimeter designed for professional electricians, engineers, and technicians. It offers accurate measurements of AC/DC voltage, current, resistance, capacitance, frequency, and temperature, along with advanced features like True RMS and NCV detection. Built with safety and reliability in mind, this meter is an essential tool for electrical troubleshooting and maintenance.

Advantages

True RMS measurement ensures accurate readings on non-sinusoidal waveforms. The large backlit LCD display provides clear visibility in dimly lit environments. Auto-ranging and manual ranging options offer flexibility. The built-in NCV (Non-Contact Voltage) detector enhances safety by detecting live wires without direct contact. The device is CAT II 1000V and CAT III 600V rated for safe use in various electrical environments.

Suitable for

• Electrical installations and maintenance
• Industrial troubleshooting
• Automotive diagnostics
• Educational and laboratory use
• Home electrical repairs

Key specifications

• Brand: UNI-T
• Model: UT139C
• Display: 6000 counts, backlit LCD
• AC/DC Voltage: up to 1000V
• AC/DC Current: up to 10A
• Resistance: up to 60MΩ
• Capacitance: up to 60mF
• Frequency: up to 10MHz
• Temperature: -40°C to 1000°C (with K-type thermocouple)
• True RMS: Yes
• NCV Detection: Yes
• Safety Rating: CAT II 1000V, CAT III 600V
• Power Supply: 9V battery (6F22)
• Weight: approx. 350g
• Dimensions: 180 x 87 x 47 mm

Recommendations

For best results, use the included test leads and K-type thermocouple. Always follow safety precautions when measuring high voltages. The UT139C is a reliable choice for professionals seeking accuracy and durability.