Home » UNI-T True RMS Digital Multimeter, 10 A, 2000 Counts, NCV – UT139A
UNI-T

UNI-T True RMS Digital Multimeter, 10 A, 2000 Counts, NCV – UT139A

SKU: 003101
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14.056 Ft inc. VAT
In stock · 3 items available
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The UNI-T UT139A is a 1999-count True RMS digital multimeter for electrical installation, equipment maintenance and troubleshooting. It measures AC/DC voltage and current, resistance and batteries, with VFC, NCV and selectable automatic or manual ranging.

Key Features

  • True RMS measurement for AC voltage and current
  • Measures AC/DC voltage up to 600 V and AC/DC current up to 10 A
  • VFC mode supports stable voltage measurement in variable-frequency environments
  • NCV detection, 1.5 V/9 V battery testing, diode testing and continuity buzzer
  • Automatic or manual ranging with MAX, MIN, REL and data hold modes

Product Specifications

Parameter Range / Specification Basic Accuracy
DC Voltage 20 mV / 200 mV / 2 V / 20 V / 200 V / 600 V ±(0.5% + 2)
AC Voltage 20 mV / 200 mV / 2 V / 20 V / 200 V / 600 V ±(1% + 3)
DC Current 200 µA / 2000 µA / 20 mA / 200 mA / 2 A / 10 A ±(0.7% + 2)
AC Current 200 µA / 2000 µA / 20 mA / 200 mA / 2 A / 10 A ±(1% + 3)
Resistance 200 Ω / 2 kΩ / 20 kΩ / 200 kΩ / 2 MΩ / 20 MΩ ±(1% + 2)
Display 1999 counts, 58 × 36 mm LCD
AC Measurement Type True RMS
AC Bandwidth 45 Hz to 400 Hz
Ranging Modes Automatic and manual ranging
VFC Measurement Variable-frequency voltage measurement
Non-Contact Voltage Detection NCV function
Battery Test 1.5 V and 9 V batteries
Diode Test Approximately 2 V test voltage
Additional Functions Continuity buzzer, MAX/MIN, relative mode, data hold, LCD backlight and low-battery indication
Automatic Power-Off After approximately 15 minutes
Input Protection 600 Vrms full-range input protection
Safety Rating CAT III 600 V, double insulation, Pollution Degree 2
Certifications CE, UKCA, cETLus
Power Supply 2 × 1.5 V AA batteries
Product Dimensions 175 × 80 × 48.5 mm
Product Weight Approximately 370 g
Product Colour Red and grey

Applications

  • Electrical installation, servicing and fault diagnosis
  • Industrial machinery and variable-frequency equipment maintenance
  • Power distribution, control circuit and appliance testing
  • Workshop, manufacturing and general MRO electrical work

Included Components

  • UNI-T UT139A True RMS digital multimeter
  • Test leads
  • 2 × 1.5 V AA batteries
  • User manual and warranty documentation

24-Month Product Warranty

Consumer purchases of this product include a 24-month PERIPLUS commercial product warranty from the date of delivery. This warranty is additional to, and does not limit, any mandatory statutory consumer rights.

See our full EU Legal Guarantee and Product Warranty Policy for coverage, exclusions and claim instructions.