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The UNI-T UT161E is the flagship model in the advanced UT161 series, representing the pinnacle of precision and functionality in a handheld digital multimeter . Designed for professional engineers, technicians, and serious enthusiasts, this instrument stands out with its remarkable 22000-count resolution, offering exceptional accuracy and detail for the most demanding measurement tasks .
Building upon the robust foundation of the UT161 series, the UT161E incorporates advanced features typically found in much more expensive laboratory-grade equipment. These include dual LPF (Low Pass Filter) and LoZ (Low Impedance) modes for accurate variable frequency drive diagnostics and ghost voltage elimination, ACV+DCV measurement for comprehensive signal analysis, and a fast-updating 46-segment analog bar graph for real-time trend observation . With USB PC connectivity for data logging, peak hold for transient capture, and transistor (hFE) testing, the UT161E is a true all-in-one diagnostic powerhouse .
Engineered with user safety as the highest priority, the UT161E is certified to the stringent CAT III 1000V and CAT IV 600V safety standards, ensuring reliable protection when working on distribution circuits and primary power supplies .
Ultra-High 22000-Count True RMS Display: Exceptional 4½-digit resolution for precise measurements, far surpassing standard 6000-count meters . True RMS ensures accuracy even with non-linear or distorted AC waveforms .
Advanced VFD & Ghost Voltage Diagnostics: Features LPF (Low Pass Filter) for accurate measurements on variable frequency drives (VFDs) and LoZ (Low Impedance) mode to eliminate ghost voltages .
ACV+DCV Measurement: Measures the combined AC and DC components of a signal, crucial for analyzing complex waveforms in modern power electronics .
Wide Measurement Range: Measures DC/AC voltage up to 1000V, DC/AC current up to 20A, resistance up to 220MΩ, and capacitance up to 220mF .
Extended Bandwidth: 40Hz to 10kHz frequency response for accurate AC voltage and current measurements on motor drives and high-frequency signals .
High-Precision Frequency Counter: Measures frequency up to an impressive 220MHz with ±0.01% accuracy .
Peak Hold Function: Captures and displays peak voltage/current transients for analyzing inrush currents and signal spikes .
Transistor (hFE) Testing: Dedicated multi-purpose socket for testing NPN/PNP transistor current gain—essential for electronics work .
USB PC Connectivity: Built-in USB interface allows connection to a computer for data logging, trend analysis, and firmware updates using the iDMM software .
46-Segment Analog Bar Graph: Fast-updating bar graph (30Hz) provides real-time visual indication of changing values and trends, complementing the digital readout .
Comprehensive Testing: Includes diode test, continuity test with acoustic indication, MAX/MIN/REL recording, duty cycle, and NCV detection .
User-Friendly Design: Large backlit LCD with clear digits, 1.5V AAA battery power (x4), and low battery indication (≤4.6V) .
Rugged & Safe: Certified to CAT III 1000V / CAT IV 600V safety standards with full-range overload protection and high-energy fuse protection .
The UNI-T UT161E delivers laboratory-grade accuracy across an extensive range of electrical parameters .
Note: The UT161E includes a multi-purpose socket for transistor testing, while temperature measurement is exclusive to the UT161D model .
The UT161 series offers three distinct models, with the UT161E serving as the flagship precision model :
Activate in AC voltage mode to enable the low-pass filter.
Application: Essential for accurately measuring voltage on variable frequency drives (VFDs), inverters, and motor controls where high-frequency noise causes standard meters to give false readings .
Set the rotary switch to the LoZ position.
Presents a low impedance load to the circuit, bleeding off capacitively coupled "ghost voltages" .
Application: Verifies whether a circuit is truly de-energized, especially in long cable runs .
Measures the total effective voltage of a signal containing both AC and DC components.
Application: Crucial for analyzing waveforms in power electronics, solar inverters, and other non-linear loads .
Connect the included USB cable to your PC for data logging and analysis .
The iDMM software allows for long-term trend monitoring (e.g., 24-hour mains voltage analysis) and graphical data representation .
Software can be downloaded from the official UNI-T website .
Press PEAK HOLD to capture and display transient voltage or current peaks .
Application: Ideal for analyzing inrush currents in motors and power supplies .
Set the rotary switch to the Hz position .
Measures frequencies with 0.01% accuracy up to 220MHz .
Application: Advanced signal analysis, RF troubleshooting, and telecommunications work .
Set the rotary switch to the hFE position .
Insert the transistor into the included multi-purpose socket, matching the correct pinout (E, B, C) .
Read the transistor's DC current gain (β) directly from the display .
Set the rotary switch to the NCV position .
Bring the NCV detector (top left corner) close to a live AC conductor (≥50Vrms) .
The red indicator light illuminates, the buzzer beeps, and more LCD segments "-" appear as field strength increases .
Set the rotary switch to the capacitance position .
Fully discharge capacitors before testing .
Measures up to 220mF for large motor start capacitors and power supply filtering .
Press MAX/MIN to record the highest and lowest readings .
Press REL to set a reference value for comparative measurements .
The UNI-T UT161E is an ideal high-precision tool for:
High-accuracy component testing and matching with 0.05% DCV precision .
Long-term data logging for environmental monitoring and trend analysis .
Diagnosing variable frequency drives (VFDs) and motor controls using LPF mode .
Measuring high-voltage systems up to CAT III 1000V / CAT IV 600V .
Precision circuit design and repair with 22000-count resolution .
Transistor matching for audio and precision circuits with hFE testing .
Frequency analysis up to 220MHz for RF and telecommunications .
Accurate capacitor testing for motor start/run applications .
Frequency analysis for drive and controller diagnostics .
For temperature measurement, consider the UT161D model .
Users consistently praise the UT161E for its exceptional precision, build quality, and value .
Precision for Calibration: "Voor degene die regelmatig elektronische apparatuur afregelt zal het aantal display counts (bij voldoende nauwkeurigheid) een zegen zijn" (For those who regularly adjust electronic equipment, the number of display counts (with sufficient accuracy) is a blessing) — Hendrik Bos, Verified Buyer .
Data Logging Capability: "Door in staat te zijn, langer dan 15min., een trendmeting te kunnen doen van bijv. de netspanning, maar ook nog grafisch te kunnen vastleggen... toont de UNI-T UT161E en bijbehorende iDMM-software z'n waarde" (Being able to do a trend measurement for longer than 15 minutes, e.g., of the mains voltage, and also record it graphically... shows the value of the UNI-T UT161E and associated iDMM software) — Hendrik Bos, Verified Buyer .
Audio Calibration: "Nuttig voor audio calibratie door het hoge frequentiebereik in AC" (Useful for audio calibration due to the high frequency range in AC) — Mart Bosma, Verified Buyer .
Build Quality: "De bouwkwaliteit is solide en daarmee prima voor dagelijks gebruik" (The build quality is solid and therefore fine for daily use) — F.A. Klaassen, Verified Buyer .
Value: "Prima meter met hoge nauwkeurigheid. Veel mogelijkheden" (Excellent meter with high accuracy. Many features) — Mart Bosma, Verified Buyer .
USB Software Compatibility: Some users reported issues with older Windows systems (e.g., Windows 7 SP3), though it works well with recent Windows 11 laptops .
No Temperature Probe: Unlike the UT161D, this model does not include temperature measurement capability .
Auto-Range Speed: One user noted a slight delay in the auto-ranging function .
Fuse Replacement: Requires specific 600mA/1000V and 11A/1000V fuses for current ranges .
The UNI-T UT161E is the definitive choice for professionals who demand uncompromising precision and advanced diagnostic capabilities in a handheld multimeter. Its 22000-count True RMS accuracy, unique LPF/LoZ/ACV+DCV functions, 220MHz frequency counter, and USB data logging make it exceptionally well-suited for laboratory work, industrial diagnostics, electronics engineering, and serious hobbyist applications.
While the UT161D offers temperature measurement for HVAC applications at a lower price point, the UT161E stands alone as the flagship precision model—delivering laboratory-grade performance in a rugged, field-ready package. For users who need the ultimate in accuracy, bandwidth, and advanced features, the UT161E is an outstanding investment.
The UNI-T UT161E: Where Uncompromising Precision Meets Advanced Diagnostic Power.
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