UNI-T UT171C Industrial True RMS Digital Multimeter

Premium Measurement Technology with OLED Display

The UNI-T UT171C represents the pinnacle of portable measurement technology, combining industrial-grade precision with an advanced OLED display optimized for extreme environments. Engineered specifically for professionals facing the most demanding measurement challenges, this premium multimeter delivers exceptional visibility in low temperatures, comprehensive measurement capabilities, and sophisticated data management in a rugged package designed for industrial reliability.

Key Features

• High-Visibility OLED Display: Crystal-clear 60,000 count resolution with superior viewing angles
• Low-Temperature Performance: Maintains display clarity in cold environments where LCD displays fail
• True RMS Measurement: Ensures accuracy on non-linear loads and distorted waveforms
• 100kHz Measurement Bandwidth: Comprehensive frequency response for detailed signal analysis
• AC+DC Measurement Mode: Accurately evaluates combined signals for complete system assessment
• Square Wave Output Function: Built-in signal generator for control system testing
• Rechargeable 7.4V Li-ion Battery: Extended operation with convenient charging
• VFC Low-Pass Filtering: Eliminates high-frequency noise for accurate VFD measurements
• Data Logging: Store up to 9,999 measurements with timestamp information
• USB/Bluetooth Connectivity: Flexible data transfer to computers and mobile devices

UNI-T UT171C Details

Advanced OLED Display Technology

The UNI-T UT171C's revolutionary OLED display technology provides exceptional visibility under all conditions, with perfect contrast, wide viewing angles, and superior performance in extreme temperatures. Unlike traditional LCD displays that become sluggish and difficult to read in cold environments, the OLED screen maintains crisp, clear visibility even in sub-zero temperatures.

This advanced display delivers information with 60,000 count resolution, providing the detailed measurements required for precision diagnostics across industrial applications. The integrated 31-segment analog bar graph provides intuitive visualization of changing values, combining the responsiveness of traditional analog meters with digital precision.

Comprehensive Measurement Capabilities

The UNI-T UT171C excels with an extensive range of measurement functions designed for complex industrial applications:

• AC+DC Measurement: Accurately evaluates total signal value with both AC and DC components
• Low-Impedance Mode: Eliminates ghost voltage readings in capacitive circuits
• Conductance Measurement: 60nS range for high-resistance evaluation
• Temperature Measurement: -40°C to 1000°C range with K-type thermocouple
• Square Wave Generator: Produces consistent output signals for testing control systems
• 4-20mA Loop Percentage: Direct process control signal evaluation (0-100%)
• Peak Measurement: Captures transient events with 1ms response time

This comprehensive suite of measurement capabilities makes the UT171C a complete diagnostic solution for industrial maintenance, automation systems, and electronic troubleshooting.

Integrated Signal Generator

The UNI-T UT171C includes a built-in square wave generator function that produces stable signal outputs with adjustable frequency (0.5Hz to 4800Hz) and duty cycle (0-100%). This integrated signal source eliminates the need for a separate function generator when testing sensors, control circuits, and communication systems.

With precise frequency and duty cycle control, technicians can simulate various input signals for calibration, troubleshooting, and system validation. This capability transforms the UT171C from a passive measurement tool into an active testing solution for industrial control systems and electronic circuits.

Professional Data Management

The UNI-T UT171C features advanced data management capabilities with storage for up to 9,999 measurements and timestamp information. The comprehensive data logging function can be configured for specific intervals, providing automated measurement recording for trend analysis and intermittent fault detection.

The integrated USB interface enables direct connection to computers for data transfer, while the optional UT-D07A Bluetooth adapter provides wireless connectivity to mobile devices. The compatible iDMM mobile application enables real-time data viewing, historical analysis, and professional report generation from the field.

Industrial-Grade Construction

Engineered for the most demanding environments, the UNI-T UT171C features robust double-molded construction that provides superior protection against impacts and contaminants. The advanced OLED display maintains perfect visibility in dusty conditions, poorly lit environments, and extreme temperatures where standard displays become unreadable.

Comprehensive safety features including misplug alarm, high-voltage warning, and CAT III 1000V/CAT IV 600V certification protect both the instrument and operator during high-energy measurements. The 7.4V 2000mAh Li-ion rechargeable battery provides extended operation for demanding field applications, with convenient charging using the included power adapter.

Professional Applications

Extreme Environment Operations

The UT171C excels in challenging environments where standard meters fail:

• Cold weather field operations with temperatures below freezing
• Low-light industrial environments with limited visibility
• Outdoor installations with direct sunlight exposure
• High-dust environments that compromise standard displays
• Field operations requiring extended battery life

Industrial Maintenance & Troubleshooting

Maintenance professionals rely on the UT171C's comprehensive capabilities:

• Motor drive system analysis with VFC filtering
• Control signal verification with built-in square wave generator
• Intermittent fault detection with extended data logging
• Complete system assessment with AC+DC measurement
• Temperature differential analysis across mechanical components

Automation & Process Control

Automation specialists utilize specialized functions for system maintenance:

• 4-20mA loop signal evaluation with percentage display
• Control system testing with square wave output
• Signal integrity verification across communication networks
• Sensor response testing and calibration
• System integration and troubleshooting

Research & Development

Engineering teams leverage premium measurement capabilities:

• High-precision component characterization
• Signal analysis with extended frequency response
• Environmental testing with temperature measurement
• System validation with signal generation
• Comprehensive data collection and documentation

Technical Specifications

Advanced Features

• Display Count: 60,000
• Display Type: High-contrast OLED with 31-segment analog bar graph
• Auto/Manual Range Selection
• True RMS Measurement
• Bandwidth: 100kHz
• 4-20mA Loop: 0-100%
• Low Impedance Voltage Measurement: ~3kΩ
• Diode Test: ~3V
• Continuity Buzzer
• Duty Cycle: 0.1%~99.9%
• Non-Contact Voltage Detection
• Data Hold/MAX/MIN Recording
• Relative Mode Measurement
• Data Storage: 9,999 measurements
• USB Interface
• Mis-plug Alarm
• Low Battery Indication
• Auto Power Off
• Input Protection on All Ranges
• Input Impedance for DCV: 10MΩ
• Square Wave Output Amplitude: ~0.8Vp

Package Contents

• UNI-T UT171C Industrial True RMS Digital Multimeter
• Test Leads
• Point Contact Temperature Probe
• USB Interface Cable
• Power Adapter
• PC Software CD
• Carrying Bag
• User Manual
• 7.4V 2000mAh Li-ion Battery (pre-installed)

Optional Accessories

• UT-D07A Bluetooth Adapter for wireless connectivity

Product Comparison

Frequently Asked Questions

What advantages does the OLED display provide in industrial environments?

The OLED display technology offers several critical advantages for industrial applications: perfect contrast for reading in any lighting condition, wide viewing angles that maintain visibility from any position, instant response without ghosting for observing changing values, and exceptional performance in extreme temperatures where LCD displays become sluggish or unreadable. This advanced display technology ensures clear visibility in dusty environments, confined spaces with limited lighting, and outdoor operations in cold weather.

How does the square wave output function enhance troubleshooting capabilities?

The built-in square wave generator transforms the UT171C from a passive measurement device into an active testing tool. Technicians can produce precise frequency signals (0.5Hz to 4800Hz) with adjustable duty cycle (0-100%) to test sensor responses, validate control system inputs, troubleshoot timing circuits, and verify communication interfaces. This integrated capability eliminates the need for a separate function generator during field diagnostics, streamlining the troubleshooting process and reducing the equipment required for comprehensive system testing.

What makes the AC+DC measurement capability essential for industrial applications?

The AC+DC measurement mode captures the true combined value of both AC and DC components present in a signal, critical for accurately evaluating power supplies, variable frequency drives, and electronic circuits with superimposed signals. Standard meters that measure only AC or DC components separately cannot provide accurate readings in these mixed-signal environments, potentially leading to incorrect diagnostics. The UT171C's ability to measure true RMS values of combined signals ensures complete system assessment with a single measurement.

How does the data management system benefit maintenance documentation?

The UT171C's comprehensive data management system can store up to 9,999 measurements with timestamp information, providing detailed documentation of system performance over time. The automatic data logging function can be configured for specific intervals, enabling unattended monitoring to capture intermittent issues or establish performance baselines. This data can be transferred to computers via USB or to mobile devices using the optional Bluetooth adapter, creating professional reports that document maintenance activities, verify system compliance, and track performance trends.

What is the warranty period for the UNI-T UT171C?

UNI-T provides a 12-month warranty on the UT171C, covering manufacturing defects and component failures under normal use conditions.

Customer Testimonials

"As a field technician working in cold outdoor environments, the UT171C's OLED display has been revolutionary. I can actually read measurements clearly in freezing temperatures where my previous meters became useless. The square wave output function has eliminated the need to carry a separate function generator for control system testing." - Dmitri K., Automation Field Technician

"The comprehensive capabilities of the UT171C have made it our standard meter for industrial maintenance. The combination of precision measurement, signal generation, and data logging gives our technicians everything they need in a single tool. The OLED display maintains perfect visibility in our dusty manufacturing environment where other meters become difficult to read." - Lakshmi P., Manufacturing Maintenance Director

"I work in R&D for industrial equipment, and the UT171C provides laboratory-grade measurement precision in a field-ready package. The ability to generate test signals and log the resulting measurements streamlines our validation process tremendously. The rechargeable battery lasts through multiple days of testing without needing a charge." - Carlos M., Industrial Systems Engineer

Support and Warranty

UNI-T stands behind the UT171C with comprehensive technical support and a 12-month warranty. Our dedicated support team is available to assist with application questions, measurement techniques, and warranty service.

Premium Performance for Demanding Applications

The UNI-T UT171C Industrial True RMS Digital Multimeter combines advanced OLED display technology, comprehensive measurement capabilities, and integrated signal generation in a rugged package designed for the most challenging industrial applications. With exceptional visibility in extreme environments, laboratory-grade precision, and professional data management, it delivers premium performance for demanding measurement requirements.

Order Your UNI-T UT171C Today and Experience the Ultimate in Professional Measurement Technology.