UNI-T UT81B 2-in-1 Handheld Digital Oscilloscope Multimeter

Description

UNI-T UT81B 2-in-1 Handheld Digital Oscilloscope Multimeter The UNI-T UT81B 2-in-1 Handheld Digital Oscilloscope Multimeter is a handheld instrument designed to bring waveform observation and conventional electrical measurement together in a single portable unit. Instead of carrying separate tools for basic circuit checks and signal viewing, technicians can move between digital readings and waveform display from the same instrument, making the testing process more convenient during bench work or field service. Its oscilloscope mode is intended for examining changing electrical signals, while the digital multimeter mode supports everyday diagnostic work on electrical and electronic circuits. The instrument is designed to make movement between numerical readings and waveform observation straightforward, helping users study circuit behavior from different perspectives without depending on a full-size bench oscilloscope for every troubleshooting task, all within the same compact handheld working format. Features: 2-in-1 digital oscilloscope and digital multimeter design. Switchable waveform and digital reading modes. Automatic and manual ranging in multimeter mode. Automatic waveform setup. Waveform save and recall function. USB interface with optical isolation. Data Hold function. Relative measurement mode. Automatic power-off function. Low-battery indication. Adjustable LCD backlight. Adjustable display contrast. Selectable trigger modes. Continuity buzzer. Duty-cycle measurement. Replaceable battery access. Built-in tilt stand for convenient viewing. Waveform storage for saved measurements and setups. Specifications Parameter Specification Product Type: Handheld Digital Oscilloscope Multimeter Model: UT81B DMM Display: 3999 counts / 4000-count class DMM Display Update Rate: 2–3 times/second Scope Display: 160 × 160 monochrome LCD DC Voltage Range: Up to 1000V DC Voltage Basic Accuracy: ±(0.8% + 8) AC Voltage Range: Up to 750V AC Voltage Basic Accuracy: ±(1% + 15) DC Current Range: Up to 10A DC Current Basic Accuracy: ±(1% + 8) AC Current Range: Up to 10A AC Current Basic Accuracy: ±(1.5% + 8) Resistance Range: Up to 40MΩ Resistance Basic Accuracy: ±(1% + 5) Capacitance Range: Up to 100µF Capacitance Basic Accuracy: ±(3% + 8) Frequency Range: 10Hz–10MHz Frequency Basic Accuracy: ±(0.1% + 3) Duty Cycle Range: 0.1%–99.9% Oscilloscope Bandwidth: 8MHz Real-Time Sampling Rate: 40MS/s Scope Channel: Single Channel Voltage Resolution: 8-bit Coupling: DC Input Impedance: 10MΩ, excluding multimeter section Vertical Sensitivity: 20mV/div–500V/div (1-2-5 sequence) Vertical Accuracy: ±(5% + 1 pixel) Time Base Range: 100ns/div–5s/div (1-2-5 sequence) Trigger Modes: Free Run / Normal / Single Shot Scope Memory: 10 screens and setups Maximum Scope Input Voltage: 1000Vp-p USB Interface: Yes, optically isolated Multimeter Ranging: Auto / Manual Safety Compliance: IEC 61010, CAT II 1000V / CAT III 600V, Double Insulation mA Input Fuse: F0.5AH / 250V, Ø5 × 20mm 10A Input Fuse: F10AH / 250V, Ø5 × 20mm Certifications: CE, UKCA Power: 4 × 1.5V R6 batteries or power adaptor Operating Temperature: 0°C–40°C Storage Temperature: -10°C–50°C Operating Altitude: Up to 2000m Storage Altitude: Up to 10000m Dimensions: 200 × 100 × 48mm Weight: 498g including batteries Applications: Electronics Troubleshooting. Electrical Circuit Testing. Industrial Equipment Maintenance. Motor and Drive Diagnostics. Control Circuit Diagnostics. UPS System Testing. Transducer Signal Testing. Electronic Repair and Servicing. Field Maintenance. Waveform Analysis. Package Contents: 1x UNI-T UT81B Meter 1x English Operating Manual 1x USB Interface Cable 1x CD-ROM with Installation Guide & Computer Interface Software 1x Pair Test Leads 1x Alligator Clip 1x Power Adaptor 4x 1.5V R6 Batteries 1x Carrying Bag Documents: Datasheet User manual

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