UNI-T UT71E Intelligent Digital Multimeters

Description

UNI-T UT71E Intelligent Digital Multimeters The UNI-T UT71E is the flagship model in the UT71 series of intelligent digital multimeters, marrying precision measurement with advanced usability. Housed in a robust, ergonomically contoured case, the UT71E offers a generous 4¾-digit main display and dual 4,000-count secondary displays, ensuring that readings remain crisp and legible even in low-light or fast-changing conditions. A variable backlight can be toggled between two brightness levels or set to switch off automatically, balancing visibility with battery conservation . Internally, the UT71E employs true RMS circuitry across its voltage and current ranges, affording accurate readings on both sinusoidal and distorted waveforms. This accuracy is complemented by an intelligent limit-setting function: users can define upper and lower thresholds, and the meter will audibly and visually alert whenever measurements stray beyond these bounds—an invaluable safeguard during mass-production testing or system commissioning . Under the hood, a high-speed microprocessor orchestrates auto-ranging, peak-hold capture, and a fast-responding analog bar-graph, delivering both detailed readouts and an intuitive, real-time sense of signal behavior. . Power management is similarly polished: the meter will automatically shut off after an idle interval (customizable via its setup menu), and a low-battery icon prompts timely replacement of its single 9 V battery. Physically, the UT71E is designed for both bench and field use. Rated CAT III 1000 V and CAT IV 600 V, it is built to withstand the demands of industrial environments. A knurled rotary switch, tactically separated function buttons, and a rigid tilt-stand combine to make measurements both rapid and comfortable. In the UT71E, UNI-T has crafted a tool that transcends basic electrical measurement—delivering intelligent, connected, and reliable performance for today’s complex testing needs. Features: True RMS measurement with high display count: Ensures accurate AC readings even on non-sinusoidal waveforms, dual 4,000-count secondary displays for maximum resolution and clarity. Mis-plug alarm: Audible and visual warning if test leads are inserted into incorrect terminals, helping prevent measurement errors and instrument damage. MAX/MIN/REL modes: Built-in functions to capture maximum, minimum, or relative (delta) values over time, with audible alerts when readings exceed predefined thresholds. Selectable Auto or Manual ranging: Automatically selects the optimal measurement range for ease of use, or lets you lock in a fixed range when needed for more stable readings. Data logging: Internal memory stores up to 100 readings (UT71E), which can be recalled on-device or sent via USB to the UNI-T Smart Measure App for analysis and reporting. Auto power-off & backlight: Conserves battery life by automatically shutting down after a user-defined idle period and by switching the display backlight off after a set timeout, backlight can also be manually toggled between two brightness levels. General Specifications: Specification Details Safety Category: CAT III 1000 V, CAT IV 600 V Display: 4¾-digit (40 000-count) primary; two 4 000-count secondaries; 40-segment bar-graph (10 updates/sec) Backlight: Two brightness levels Dimensions: 177 × 85 × 40 mm Operating/Storage Temp: Operating: 0 °C – 40 °C; Storage: –10 °C – 50 °C; ≤ 75 % RH @ 0–30 °C, ≤ 50 % RH @ 30–40 °C Power: 9 V battery (NEDA 1604/6F22/006P), auto-power-off, low-battery indicator Electrical Measurement: Function Range Resolution Accuracy (typ.) DC Voltage: 0 – 1000 V 0.1 mV ±(0.025 % + 5 digits) AC Voltage: 0 – 1000 V (True RMS) 0.1 mV ±(0.4 % + 30 digits) DC Current: 0 – 10 A (5–10 A for 10 s) 0.1 mA ±(0.1 % + 15 digits) AC Current: 0 – 10 A (True RMS) 0.1 mA ±(1.5 % + 20 digits) Resistance: 0 – 40 MΩ 0.01 Ω ±(0.3 % + 8 digits) Capacitance: 0 – 40 mF 0.1 nF – 0.1 mF ±(1.5 % + 20 digits) Frequency: 0 – 400 MHz 0.001 Hz – 0.01 MHz ±(0.1 % + 15 digits) Temperature: –40 °C – 1000 °C 0.1 °C ±(0.15 % + 8 digits) Data Store: Up to 100 readings — — Power Measurement: Parameter Range Resolution Accuracy (typ.) Active Power (W): 0 – 2500 W 0.1 W ±(2 % + 10) Apparent Power (VA): 0 – 2500 VA 1 VA ±(1 % + 10) Power Factor (cos φ): 0.000 – 1.000 0.001 ±(2 % + 10) Voltage Input: AC 50 – 250 V — Current Input: Up to 10 A (fused) — Applications: Electronics design & troubleshooting. Factory automation & production-line testing. Electrical distribution & panel work. Field service & maintenance. Power-consumption analysis. Data-logging & trend analysis. Package Include: 1x English Operating Manual 1x Test Lead 1x K-Type (nickel chromium–nickel silicon) point-contact temperature probe (for ≤ 230 °C) 1x USB interface cable 1x UNI-T Documents Download Operation Guide 1x Carrying Bag 1x Power Adaptor 1x 9 V Battery (NEDA 1604/6F22/006P) UNI-T UT71E Documents: Datasheet User Manual

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