The UT181A is a 60,000-count True-RMS multimeter built around recording and reviewing measurements over time. It logs readings, captures trend graphs on its own display, and pairs to a Bluetooth app — so an intermittent fault or a slow drift you'd miss with spot readings shows up as a curve. It's rated CAT III 1000 V / CAT IV 600 V.
Measurement covers AC/DC voltage and current to 1000 V and 10 A, combined AC+DC, resistance to 60 MΩ, capacitance to 60 mF, frequency, temperature to 1000 ℃, plus a low-pass filter, dBV/dBm, conductance, duty cycle, and peak hold. A 1 m drop rating keeps it field-ready. It's backed by UNI-T's nearly 40 years of test-meter manufacturing.
Key Features
60,000-count True-RMS measurement
On-board data logging with trend-graph capture
Bluetooth app for live readout and transfer
AC+DC combined measurement; AC/DC to 1000 V and 10 A
Resistance to 60 MΩ, capacitance to 60 mF, frequency, temperature to 1000 ℃
Low-pass filter for drive output; dBV/dBm; conductance; duty cycle
Relative, max/min, peak hold, and data-comparison modes
USB interface; CAT III 1000 V / CAT IV 600 V; 1 m drop
UT181A Details
Logging & Trend Capture
The UT181A records readings over time and plots them as a trend on its own graphing display, so intermittent faults and slow drift become visible patterns instead of numbers you have to watch. Logged data transfers by USB or the Bluetooth app for analysis and reports.
60,000-Count True-RMS Measurement
High-resolution True-RMS sensing keeps AC accurate on distorted waveforms, and combined AC+DC measurement reads complex signals that pure AC or DC modes miss.
Drive & Signal Tools
A low-pass filter strips high-frequency content so you read the fundamental on a drive output, while dBV/dBm, conductance, and duty cycle cover signal and component work.
Analysis Modes & Field Build
Relative, max/min, peak hold, and data-comparison modes support careful measurement, and a 1 m drop rating with CAT III 1000 V / CAT IV 600 V safety keeps it ready for the field.
Applications
Intermittent-fault hunting where logging beats spot readings; commissioning and acceptance testing that needs a measurement record; drive and signal troubleshooting; and any task where trend capture and data transfer support documentation.
Frequently Asked Questions
What makes the UT181A a datalogging meter?
It records readings over time, plots them as trend graphs on its display, and transfers the data by USB or Bluetooth for analysis.
Can it measure AC and DC together?
Yes — it has a combined AC+DC mode in addition to separate AC and DC measurement.
⚠️ 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.
