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UEiTestInstruments

UEi Test Instruments delivers reliable digital clamp meters and testers for HVAC and electrical professionals, featuring auto-ranging capabilities for precise AC/DC measurements.

14 products Updated March 4, 2026

UEiTestInstruments Products (14)

1
Prime

UEi Test Instruments C160 Residential Combustion Analyzer Meter - Rugged Gas Appliance Tester with Altitude Compensation & 10-Year Warranty

UEiTestInstruments
9.9
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Easy-to-use with pre-programmed fuels for quick setup
  • Comprehensive features like water trap and magnetic mount boost fieldwork efficiency
  • Long-term reliability backed by Service+ and 10-year warranty option
  • Protects accuracy with low flow detection and auto-purge
  • Durable protective boot handles tough environments

Cons

  • Full 10-year warranty requires annual recertification and shipping
  • Primarily suited for residential gas appliances, not heavy industrial use
  • Online registration needed to activate Service+ benefits
2
Prime

UEi PDT650 Folding Pocket Digital Thermometer -58°F to 572°F Magnetic Mount HVAC Food Service Yellow

UEiTestInstruments
9.8
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Wide temperature range handles diverse applications
  • Durable construction for professional use
  • Convenient magnetic mount and folding probe
  • Accurate MIN/MAX functions for precise tracking
  • Easy-to-read large display

Cons

  • Not waterproof for submersion in liquids
  • Auto power-off may interrupt extended sessions
  • Folding probe limits reach in deep measurements
3

UEi EM201SPKIT Static Pressure Kit - Dual Input Manometer for HVAC Gas Supply & Draft Testing ±60 InWC

UEiTestInstruments
9.8
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Dual inputs for differential measurements up to ±60 InWC with auto-ranging
  • Durable construction withstands job site abuse while including essential accessories
  • User-friendly features like data hold, min/max, and auto power-off boost efficiency
  • Backlit LCD and multiple scales adapt to professional HVAC workflows
  • Magnetized boot allows convenient attachment during testing

Cons

  • Auto power-off may interrupt very long measurement sessions
  • Relies on 9V battery, requiring spares for extended fieldwork
  • Range limited to ±60 InWC, less ideal for extreme high-pressure scenarios
4

UEi Test Instruments Residential Combustion Analyzer LCD Display - Multi-Fuel Efficiency Tester Natural Gas Propane

UEiTestInstruments
9.8
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Supports wide range of fuels for comprehensive testing
  • High-resolution LCD for easy data visibility
  • Includes all necessary probes and accessories
  • Rechargeable batteries for fieldwork convenience
  • Generous warranty extension option

Cons

  • Cannot be shipped to California
  • Full warranty requires annual re-certification
  • Limited to residential applications
5
Prime

UEi DL379B HVAC Clamp Meter: Auto-Ranging AC/DC Volts, 400A AC Amps, Temp, Capacitance, NCV, Magnetic Mount, CAT IV 300V

UEiTestInstruments
9.8
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Comprehensive HVAC/R functions in one rugged tool
  • Superior safety features for industrial use
  • Innovative detachable clamp and magnetic mount for flexibility
  • Bright dual display and work light enhance usability
  • Complete kit reduces need for extra purchases

Cons

  • Lacks True RMS capability unlike higher-end models like DL389
  • AC current limited to 400A via clamp for larger loads
  • Temperature probe maxes at 752°F, not ideal for extreme high-heat applications
6
Prime

UEi DL369 Digital Clamp Meter HVAC Auto-Ranging 4000 Counts AC/DC Voltage Current Microamps Capacitance NCV Tester

UEiTestInstruments
9.7
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Versatile measurements including capacitance, frequency, and duty cycle for broad applications
  • CAT III 600V / CAT II 1000V safety ratings protect users on HVAC and electrical jobs
  • Auto-ranging and low battery indicator simplify use and extend battery life
  • Compact design with lead holder on clamp for easy portability
  • Diode, continuity, and resistance testing up to 40MΩ covers essential diagnostics

Cons

  • Clamp measures AC current only, requires leads for DC current
  • Lacks advanced features like True RMS or temperature measurement found in premium models
  • Basic model without extras may not suit users needing specialized functions
7
Prime

UEi EM201B Dual Input Differential Manometer - Rugged 40" WG Tester with Pa, mbar, PSI Scales

UEiTestInstruments
9.7
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Exceptional build quality with sturdy metal fittings
  • Multiple measurement scales for broad compatibility
  • High-resolution accuracy for detailed pressure testing
  • User-friendly features like resettable Min/Max and backlit screen

Cons

  • Resolution drops above 9.999" WG limiting ultra-fine readings at full range
  • Auto power-off may interrupt extended use sessions
  • Maximum 40" WG range may not suit extreme high-pressure applications
8
Prime

UEi EM152 Dual Input Digital Manometer - ±60 inH2O Differential Pressure Gauge, 11 Units, Min/Max Hold for HVAC Pros

UEiTestInstruments
9.6
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Wide range and 11 units cover diverse applications
  • Min/Max data hold simplifies pressure change tracking
  • Magnetic mount enables convenient hands-free use
  • Backlit display improves visibility in dim areas
  • Includes tubing, fittings, and pouch for immediate use

Cons

  • Limited to ±60 inH2O range for high-pressure needs
  • Battery-powered with auto power off may interrupt long sessions
  • Soft pouch offers basic protection without a hard case
9
Prime

UEi C161C Residential Combustion Analyzer with Direct CO2 Measurement & Case - 10-Year Warranty

UEiTestInstruments
9.0
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Exceptional warranty longevity reduces replacement costs
  • Spacious backlit display enhances readability in low light
  • Built-in heat exchanger test simplifies diagnostics
  • Dual sensor protection extends tool lifespan
  • Direct CO2 measurement improves combustion efficiency checks

Cons

  • Requires annual recertification to maintain full warranty
  • Specialized for residential use, less versatile for commercial applications
  • Higher-end price point for casual users
10
Pros & Cons

Pros

  • Wide temperature range up to 1112°F with high accuracy
  • User-friendly DMM-style rotary dial and protective water trap
  • Supports printing for easy reporting and documentation
  • Durable design suited for field use in HVAC applications

Cons

  • K-type temperature probes sold separately
  • Entry-level model lacks advanced flue gas sensors
  • Full 10-year warranty requires paid annual recertification
11
Pros & Cons

Pros

  • Up to 10-year warranty reduces long-term costs
  • Easy-to-use interface with essential combustion calculations
  • Includes printer and case for complete portability
  • Advanced features like differential temperature and sensor protections
  • Altitude compensation ensures precision in varied environments

Cons

  • Requires annual recertification to maintain full warranty
  • Specialized for residential use, less versatile for commercial applications
  • Initial setup may involve learning curve for new users
12
Pros & Cons

Pros

  • Comprehensive combustion analysis with essential measurements and calculations
  • Easy-to-use interface with multiple protections for reliable field operation
  • Service+ program offers same-day recertification and extended warranty
  • Stainless steel smoke pump kit fits common test papers for versatile testing
  • Backed by manufacturer-direct support for reduced long-term costs

Cons

  • Printer required for hard copies sold separately
  • Full 10-year warranty needs annual paid recertification
  • Specialized for residential appliances, less ideal for commercial scale
13
Pros & Cons

Pros

  • Comprehensive measurements including efficiency calculations and excess air
  • Three-layer sensor protection boosts reliability and safety
  • 6-line display and DMM-style dial for intuitive use
  • Pre-programmed for common fuels like natural gas and propane
  • Includes water trap and auto-purge for easy maintenance

Cons

  • Water trap requires regular checking to avoid condensate buildup
  • Specialized for residential use, less ideal for commercial scale
  • Initial setup may involve app compatibility verification
14
Pros & Cons

Pros

  • Durable rugged design with advanced sensor safeguards for fieldwork longevity
  • High-range CO sensor and multiple test functions for thorough oil appliance evaluation
  • Wireless features and printer compatibility boost efficiency and documentation
  • Eligible for next-day recertification and extended service support

Cons

  • Weighs 4 lbs, potentially cumbersome for extended portable use
  • Requires NiMH rechargeable batteries, needing periodic recharging
  • Specialized for oil-fired appliances, limiting versatility for other fuel types

UEiTestInstruments Brand Guide

UEi Test Instruments stands out in the world of professional testing equipment, specializing in digital clamp meters tailored for HVAC technicians, electricians, and industrial users. Known for their rugged design and user-friendly features like auto-ranging and non-contact voltage detection, these tools deliver accurate measurements of AC/DC voltage, current, temperature, capacitance, and more, making them essential for everyday fieldwork.

Brand Overview and What Sets UEi Test Instruments Apart

UEi Test Instruments focuses on creating high-performance scanners and testers that prioritize safety, durability, and precision. Their products are engineered to withstand demanding job site conditions, featuring ergonomic grips, magnetic mounts for hands-free operation, and clear digital displays for quick readings. What makes UEi unique is their commitment to incorporating advanced functions like true RMS for accurate AC measurements and multifunctional capabilities in compact designs.

In the realm of multimeters, UEi excels by offering clamp-style models that eliminate the need to break circuits for current testing. This innovation saves time and enhances safety, particularly in tight HVAC spaces or electrical panels. Professionals appreciate the brand's reputation for consistent reliability, backed by intuitive interfaces that reduce user error.

Product Quality and Reputation

UEi Test Instruments products are built with quality components that ensure long-term performance. From capacitance and frequency testing to diode checks and continuity, their clamp meters handle a wide array of diagnostic tasks. The inclusion of features like duty cycle measurement and live wire detection further solidifies their position as go-to tools for troubleshooting.

Users in the field praise the brand for its balance of professional-grade accuracy and practical design. Whether measuring microamps for HVAC controls or high amperage loads, UEi tools provide dependable results. Their reputation grows through real-world applications where precision matters most, earning trust among contractors and maintenance teams.

Who Are UEi Test Instruments Products Best For?

These tools shine brightest for HVAC professionals, electricians, and industrial technicians who need versatile, portable testers. Ideal for diagnosing refrigeration systems, verifying electrical circuits, or performing routine maintenance, UEi clamp meters cater to those requiring quick, non-invasive measurements.

  • HVAC Technicians: Auto-ranging for amps, volts, and temperature in compressor and blower motor tests.
  • Electricians: NCV and continuity for safe wiring inspections.
  • Industrial Users: Resistance, capacitance, and frequency for equipment servicing.

For hobbyists or basic DIYers, UEi offers accessible entry points, but their full potential is unlocked by skilled tradespeople. Explore more options in our multimeters category to compare with similar professional tools.

Key Product Categories

UEi Test Instruments primarily serves the Tools & Home Improvement and Industrial & Scientific sectors, with a strong emphasis on measuring and layout tools. Their lineup includes clamp meters under electrical testing equipment, perfect for current testers that measure without disconnection.

Standout examples include models like the DL379B, which offers magnetic mounting and comprehensive HVAC functions, and the DL369, praised for its 4000-count resolution and microamp capabilities. Both exemplify UEi's dedication to multifunctional design.

When selecting a clamp meter, consider integrating it with other multimeters for broader testing needs. UEi's products fit seamlessly into professional kits, enhancing efficiency across categories like scanners and testers.

Frequently Asked Questions

What types of measurements do UEi Test Instruments clamp meters support?

UEi clamp meters typically measure AC/DC voltage, AC current, temperature, capacitance, resistance, frequency, diodes, duty cycle, and continuity, with non-contact voltage (NCV) detection for safety.

Are UEi tools suitable for HVAC applications?

Yes, they are designed with HVAC in mind, featuring auto-ranging for amps and microamps, temperature probes, and rugged builds for refrigeration and air conditioning diagnostics.

How do UEi clamp meters differ from traditional multimeters?

Clamp meters allow jaw-based current measurement without circuit interruption, making them safer and faster for live wires, while retaining multimeter functions. Check our multimeters guide for more comparisons.

What safety features do UEi products include?

Key features include NCV detection, CAT-rated protection, and ergonomic designs to minimize risks in electrical environments.

Can UEi Test Instruments be used by beginners?

While optimized for pros, their auto-ranging and clear displays make them approachable for intermediate users tackling electrical or HVAC projects.