UNI-T UT197 Industrial Digital Multimeter
High-Precision Measurement with Ultimate Industrial Durability
The UNI-T UT197 is a high-precision true RMS handheld digital multimeter with exceptional 600,000-count display resolution. Engineered for extreme industrial environments, its IP67 protection and verified 5-meter (16.4 ft) drop resistance ensure reliable performance in the harshest conditions, while operating across an exceptional temperature range of -40°C to 55°C (-40°F to 131°F). With advanced features like VFD anti-interference mode, Bluetooth connectivity, and industry-leading CAT IV 1000V safety rating, this professional-grade meter delivers the precision and durability needed by maintenance technicians, industrial electricians, and field service personnel in power construction, equipment maintenance, petrochemical, HVAC, and laboratory applications.
Key Features
- 600,000-Count Display Resolution: Exceptional precision for detailed measurements
- IP67 Environmental Protection: Complete dust and water-resistant design for harsh industrial environments
- 5-Meter (16.4 ft) Drop Protection: Exceptional durability for extreme field conditions
- Extended Temperature Range: Operates in extreme environments from -40°C to 55°C (-40°F to 131°F)
- True RMS Measurement: Accurate readings on modern electronic loads and distorted waveforms
- VFD Anti-interference Mode: Filters carrier-frequency and distorted-voltage for stable inverter measurements
- Bluetooth Connectivity: Pairs with UNI-T SmartTest APP for data logging and analysis
- External Current Measurement: Optional UT-CS07 clamp for 1000A AC/DC current testing
- 12kV Pulse Impulse Protection: Superior protection against electrical surges
- Industry-Leading CAT IV 1000V Safety Rating: Maximum safety for industrial power environments, setting it apart from most competitors
Industrial-Grade Precision for Demanding Applications
The UNI-T UT197 delivers exceptional measurement accuracy with its 600,000-count display, providing the precision needed for detailed industrial diagnostics. With DC voltage accuracy of ±(0.03%+5) at 60000 counts and an impressive ±(0.015%+10) at 600000 counts, it offers laboratory-grade precision in a field-ready instrument. The True RMS measurement capabilities ensure accurate readings on modern electronic systems with non-sinusoidal waveforms, while the extended frequency response makes it ideal for evaluating variable frequency drives and modern power electronics.
The specialized VFD anti-interference mode filters out carrier-frequency and distorted-voltage interferences, ensuring stable and accurate readings when testing inverters and electronic motor drives. This capability is essential for industrial maintenance where variable frequency drives are increasingly common, making the UT197 particularly valuable for motor system diagnostics and power electronic troubleshooting.
Comprehensive Measurement Capabilities
The UT197 combines essential electrical measurements with specialized industrial functions to deliver complete diagnostic capabilities. Beyond standard voltage, current, resistance, and capacitance measurements, it offers:
- AC+DC current and voltage measurement for comprehensive power analysis
- Frequency measurement up to 1MHz with 0.002% accuracy
- Temperature measurement from -40°C to 1000°C (-40°F to 1832°F)
- Continuity and diode test with 3.0V test voltage
- Peak capture for analyzing transient events
- Auto/manual data hold for convenient reading capture
- High voltage warning alerts for enhanced safety
- Maximum/minimum value recording for monitoring variations
The optional UT-CS07 external current clamp extends measurement capabilities to 1000A AC/DC, making the UT197 suitable for heavy industrial load testing without interrupting circuits. This comprehensive measurement suite makes it the ideal tool for industrial professionals who need complete diagnostic capabilities in a single instrument.
Extreme Environmental Durability
The UNI-T UT197 sets a new standard for multimeter durability with features specifically designed for the harshest industrial environments:
- IP67 rated for complete protection against dust ingress and water immersion
- Verified 5-meter (16.4 ft) drop resistance for extreme mechanical shock protection
- Operational temperature range of -40°C to 55°C (-40°F to 131°F) for extreme environments
- 12kV pulse impulse protection against electrical surges
- Dual internal fuses for redundant circuit protection
- Mis-plug alarm to prevent incorrect terminal connections
- Rugged overmolded case for secure grip in all conditions
These durability features ensure the meter performs reliably in demanding environments including outdoor installations, mining operations, oil and gas facilities, and industrial manufacturing plants where environmental conditions would damage standard instruments.
Smart Connectivity and Data Logging
The integrated Bluetooth connectivity pairs with the UNI-T Smart Measure mobile application (available for both iOS and Android), allowing technicians to:
- Record measurement data remotely for trend analysis
- Generate real-time measurement charts
- Create professional testing reports
- Export data in multiple formats (PDF/XLS/JPEG/CSV)
- Document system performance over time
This connectivity transforms the UT197 from a simple measurement tool into a complete diagnostic system, enabling technicians to document system performance, share findings with team members, and maintain comprehensive maintenance records.
Professional Applications
Industrial Power Systems
Power engineers and technicians rely on the UT197's industry-leading safety rating and precision for:
- Distribution panel voltage verification
- Load balance analysis across three-phase systems
- Ground system integrity testing
- Circuit breaker testing and verification
- Power quality analysis with True RMS measurement
Motor Drive Systems
Motor maintenance specialists leverage the UT197's specialized features for:
- Variable frequency drive diagnostics using VFD mode
- Motor current draw measurement with external clamp
- Winding resistance testing with high precision
- Bearing temperature monitoring
- Control circuit signal verification
HVAC and Refrigeration
HVAC technicians depend on the UT197's durability and measurement range for:
- Compressor electrical diagnostics
- Temperature verification across system components
- Control circuit troubleshooting
- Capacitor testing and verification
- Environmental chamber validation
Renewable Energy Systems
Solar and wind system technicians utilize the UT197 for:
- Solar inverter performance verification
- PV array output measurement
- Battery system diagnostics
- Charge controller verification
- System grounding integrity testing
Frequently Asked Questions
What safety rating does the UT197 carry?
The UT197 is rated CAT III 1000V / CAT IV 600V. Always verify that your test environment falls within the instrument's rated category before use.
What type of current measurement does the UT197 use — True RMS or average-responding?
The UT197 uses True RMS measurement and includes Bluetooth connectivity for wireless data transfer to the UNI-T mobile app for logging, reporting, and remote monitoring.
What warranty comes with the UT197?
The UT197 ships with UNI-T's standard 1-year warranty on handheld meters. Register your product for additional coverage details.
Warranty
This product includes a standard 1-year warranty covering manufacturing defects and component failures under normal use conditions.
UNI-T stands behind every product we sell. If you experience any issues within the warranty period, our US-based support team is here to help with troubleshooting, repair, or replacement.
Data Sheets and Manuals
Software / Firmware Downloads
- Not currently available. Contact us with questions.
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