UT8803E 3.8 Digit Classic-Series Bench Digital Multimeter

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.ut-cat{color:#333;font-family:Arial,Helvetica,sans-serif;line-height:1.5;} .ut-cat h4{color:#1a1a1a;font-size:1.15em;margin:1.5em 0 .5em;padding-bottom:.25em;border-bottom:2px sol id #ccc;} .ut-cat h2{color:#1a1a1a;font-size:1.25em;margin:1.2em 0 .4em;} .ut-cat h3{color:#222;font-size:1.05em;margin:1em 0 .3em;} .ut-cat p{margin:.6em 0;} .ut-cat ul{margin:.5em 0;padding-left:1.4em;}.ut-cat li{margin:.25em 0;} .ut-cat img{max-width:100%;height:auto;} .ut-cat table{border-collapse:collapse;width:100%;margin:.5em 0;} .ut-cat th,.ut-cat td{border:1px solid #ddd;padding:6px 10px;text-align:left;vertical-align:top;} .ut-cat td strong{color:#222;} Overview The UNI-T UT8803E Classic-Series Bench Digital Multimeter is a 3⅚-digit auto-ranging meter with True-RMS AC measurement, a 5,999-count display, and an extended measurement function set that includes inductance to 100 H and capacitor D/Q parameters in addition to the standard voltage, current, resistance, capacitance, diode, continuity, frequency, and temperature functions. For electronics labs and service-bench work that needs reliable component characterization beyond basic resistance and capacitance — transformer winding inductance, motor stator verification, resonant-circuit Q measurement, RF choke validation — the UT8803E delivers the function coverage of a dedicated LCR-light meter inside a general-purpose bench DMM. Thermocouple temperature measurement and USB-Device PC connectivity are standard. Key Features 3⅚-digit, 5,999-count display — 0.3% basic DC voltage accuracy at the tier price point. True-RMS AC measurement — accurate readings on non-sinusoidal waveforms (switching supplies, motor drives, PWM, dimmed loads). Auto-ranging — across voltage, current, resistance, and capacitance functions, reducing operator workflow friction. Inductance measurement to 100 H — with D and Q quality-factor readout on capacitors and inductors. Thermocouple temperature measurement — range -40°C to 1000°C. USB-Device PC connection — included software for historical-data viewing and trend monitoring. UNI-T UT8803E Details 3⅚-Digit Display and 0.3% Accuracy The UT8803E delivers a 3⅚-digit 5,999-count display with 0.3% basic DC voltage accuracy. DC voltage resolution is 0.01 mV and DC current resolution is 0.1μA — covering the precision needed for component validation, prototype bring-up, and general bench measurement. Resistance resolution is 0.1Ω. 5,999-count 3⅚-digit display resolution × 5,999-count 3⅚-digit display resolution Measurement Function Coverage Measurement coverage includes AC/DC voltage, AC/DC current, resistance, capacitance, diode, continuity, frequency, duty cycle, temperature (thermocouple), inductance to 100 H, D/Q parameters. Capacitance measurement extends to 60 mF. Frequency counter range is 600 Hz – 20 MHz. True-RMS AC Measurement True-RMS AC measurement delivers correct readings on distorted, non-sinusoidal waveforms — switching-mode power supply outputs, motor-drive currents, dimmed lighting loads, PWM signals — where an average-responding meter would read low. AC voltage and AC current measurements are both True-RMS. Inductance measurement to 100 H with D and Q parameter readout Inductance and D/Q Parameter Measurement Inductance measurement to 100 H covers transformer windings, motor stator inductance, RF choke verification, and general inductor characterization. The EQR key during capacitance or inductance measurement displays D (dissipation factor) and Q (quality factor) — useful for assessing capacitor quality and inductor self-resonance behavior without a dedicated LCR meter. × Inductance measurement to 100 H with D and Q parameter readout Reference Value (REL) and Statistics The Reference Value (REL) function captures a baseline reading and displays subsequent measurements as deviations from that baseline. Combined with max/min statistics, this supports relative-comparison workflows useful for batch screening, drift studies, and component matching. Comprehensive measurement coverage including inductance and D/Q parameters × Comprehensive measurement coverage including inductance and D/Q parameters Temperature Measurement Thermocouple temperature measurement covers the range -40°C to 1000°C with built-in cold-end compensation. Suitable for component-thermal-test, environmental monitoring, and process-temperature verification. Connectivity and Remote Control USB-Device connection to a host PC enables real-time historical-data viewing, trend-chart display, and configuration backup through the included software. For workbench logging and remote monitoring of long-running tests where a separate data logger would be overkill, USB-Device provides the path. Applications Electronics Service and Component Validation Comprehensive measurement coverage including inductance to 100 H and D/Q parameters — useful for transformer, motor, and inductor screening. True-RMS AC measurement on switching-supply outputs, dimmer-driven loads, and variable-frequency-drive circuits. Thermocouple temperature monitoring during burn-in and thermal characterization. Auto-ranging across voltage, current, resistance, and capacitance reducing operator workflow friction. R&D Prototype Bring-Up 3⅚-digit precision on prototype voltage rails, current draws, and signal lines. Component characterization across L, C, and R within a single instrument. Capacitor and inductor quality-factor (Q) measurement for resonant-circuit design validation. Frequency counter to 20 MHz on clock and oscillator outputs. Teaching Labs and Hobbyist Workbench Auto-ranging operation suitable for entry-level coursework where students focus on measurement concepts rather than range selection. Component-test workflows (diode, capacitance, inductance) supporting introductory circuit-theory labs. USB-Device connection for PC-based historical-data logging during long-duration experiments. Stable benchtop form factor at a teaching-budget price point. Accessories and Family Options Included with Every Unit UT8803E benchtop digital multimeter Standard test lead set AC power cord (region-appropriate) USB-Device cable for PC connection PC software (included; downloadable from uni-trend.com) User manual and factory calibration certificate Recommended Accessories Type-K thermocouple probe — for temperature measurement across the supported range. Family Members UT8802E — Value-tier 4½-digit manual-range bench DMM. UT8803E — Classic-tier 3⅚-digit auto-ranging bench DMM with inductance and D/Q. (this product) UT8804E — Advanced-tier 4⅚-digit bench DMM with data recording and Pass/Fail. UT8805E — Performance-tier 5½-digit SCPI bench DMM with four-wire resistance and math. UT8806E — Performance-tier 6½-digit SCPI bench DMM (LAN/RS-232/USB). UT8806EG — Performance-tier 6½-digit bench DMM with IEEE-488.2 GPIB (substitutes for RS-232). Frequently Asked Questions How does the UT8803E compare to other models in the UT8800E series? The UT8803E is the auto-ranging 3⅚-digit Classic model. It adds True-RMS, auto-ranging, inductance to 100 H, and D/Q parameter measurement that the UT8802E lacks, while keeping the entry-tier price point. For 4⅚-digit precision with data recording and Pass/Fail, see the UT8804E. For SCPI automation and 5½–6½-digit precision, see UT8805E and UT8806E. Can I connect the UT8803E to a PC for data logging? Yes. The USB-Device port connects the UT8803E to a host PC running the included software, which provides real-time historical-data viewing, trend-chart display, and configuration backup. The software is included free of charge; firmware updates over the product's lifetime are free. Is the UT8803E factory-calibrated, and how often does it need recalibration? Yes — every UT8803E ships with a factory calibration certificate. The recommended recalibration interval is once per year for metrology-traceable measurement applications. For routine workbench use where the meter is being used for relative comparisons or go/no-go checks against known references, longer intervals are acceptable. Recalibration is performed through Uni-Trend or an accredited third-party calibration laboratory. What probes and accessories ship with the UT8803E? The UT8803E ships with the standard probe and lead set appropriate to its measurement range, a power cord, the USB-Device cable for PC connection, the included software disc or download link, a user manual, and the factory calibration certificate. Verify the included contents against the packing list on delivery. Specifications Display Digits 3⅚ (3.8) Resolution Count 5,999 Basic DC Voltage Accuracy 0.3% DC Voltage Resolution 0.01 mV DC Current Resolution 0.1μA Resistance Measurement Resolution 0.1Ω Maximum Reading Rate 3 rdgs/s True-RMS Yes Auto-Ranging Yes Capacitance Range (max) 60 mF Inductance Range to 100 H Frequency Counter Range 600 Hz – 20 MHz AC Frequency Response 100 kHz Temperature Range -40°C to 1000°C Display LCD Touch Screen No Interface USB-Device Certifications CE | cETLus Documentation UT8803E Datasheet, User Manual, and Software/Firmware Downloads Options & Accessories Included in box: Power cord English download guide multi-language safety manual calibration report (COC) UT8800 series safety instructions attachment Show more