The UT171C is the OLED version of UNI-T's 60,000-count industrial True-RMS multimeter, rated CAT III 1000 V / CAT IV 600 V. The OLED display gives deep contrast and a wide viewing angle in any light, and the meter adds a square-wave output for testing and calibration alongside the full industrial measurement set.
Measurement matches the rest of the series: DC voltage to ±(0.025%+5), AC and DC current to 10 A, resistance to 60 MΩ, capacitance to 60 mF, frequency to 10 MHz, and temperature to 1000 ℃, with True-RMS, a low-impedance ACV mode, and 9999-reading storage. A rechargeable Li-ion pack and 1 m drop rating keep it field-ready. It's backed by UNI-T's nearly 40 years of test-meter manufacturing.
Key Features
60,000-count resolution with OLED display
Square-wave output for test and calibration
True-RMS AC voltage and current; AC bandwidth to 100 kHz
DC voltage accuracy ±(0.025%+5)
AC/DC current to 10 A; resistance to 60 MΩ, capacitance to 60 mF
Frequency to 10 MHz; temperature −40 ℃ to 1000 ℃
Low-impedance (LoZ) ACV mode to reject ghost voltages
9999-reading storage
CAT III 1000 V / CAT IV 600 V; 1 m drop; rechargeable Li-ion
UT171C Details
OLED Display
The OLED screen delivers deep contrast and a wide viewing angle that stays legible in bright sun and dim equipment rooms alike — a step up in readability for fast plant-floor work.
60,000-Count True-RMS Measurement
The 60,000-count display resolves fine detail, and True-RMS sensing keeps AC accurate on the distorted waveforms around drives and electronic loads where average-responding meters read low.
Square-Wave Output
A built-in square-wave output supports quick functional checks and calibration tasks in the field without a separate signal source.
Safe Measurement & Field Build
A low-impedance ACV mode loads out induced ghost voltages so a dead circuit reads dead, the CAT III 1000 V / CAT IV 600 V rating covers distribution work, and a rechargeable Li-ion pack with a 1 m drop rating handles daily use.
Compare the UT171 Series
UT171B
UT171C
Display
EBTN
OLED
Square-wave output
—
Yes
Non-contact voltage (NCV)
Yes
—
Applications
Plant and process troubleshooting; drive and control-panel work; commissioning and preventive maintenance; and any task where an OLED display and a square-wave output add value to a 60,000-count industrial meter.
Frequently Asked Questions
What does the UT171C add over the UT171B?
An OLED display and a square-wave output. Measurement performance — 60,000 count, True-RMS, ranges, and accuracy — is the same.
Is the display readable outdoors?
Yes — the OLED screen holds contrast across viewing angles in bright and low light.
⚠️ WARNING (California Proposition 65): This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, please visit www.P65Warnings.ca.gov.
