UYIGAO 19B - User Manual

User must follow standard safety rules and check meter condition.

Guidelines for safe and correct operation, avoiding over-range and touching live parts.

Explanation of common safety symbols like Warning, Double Insulation, and CAT ratings.

Instructions for cleaning, power off, battery removal, and avoiding case opening.

Lists and identifies all physical components of the digital multimeter.

Details the function of each switch, button, and input jack on the multimeter.

Explains the symbols and readings displayed on the multimeter's LCD screen.

Provides a brief overview of the multimeter's key features and limitations.

Explains True RMS measurement method and its implications for readings.

Details measuring ranges, resolution, accuracy, and input limits for DC voltage.

Details measuring ranges, resolution, accuracy, frequency response, and input limits for AC voltage.

Provides specifications for AC current measurements, including ranges, resolution, accuracy, and fuse protection.

Details measuring ranges, resolution, accuracy, overload protection, and frequency response for DC current.

Specifies measuring ranges, resolution, accuracy, overload protection, and input voltage for frequency.

Details the measurement range, resolution, and accuracy for duty ratio.

Specifies measuring ranges, resolution, accuracy, open circuit voltage, and overload protection for resistance.

Describes the circuit continuity test function, including buzzer behavior and indicator lights.

Details the diode test function, including forward voltage drop and reverse bias behavior.

Explains how to measure transistor hFE approximation using the dedicated test socket.

Details measuring ranges, resolution, accuracy, and overload protection for capacitance measurement.

Provides specifications for temperature measurement using a thermocouple, including ranges and accuracy.

How to use the data hold function to freeze the displayed reading.

Details the function of each switch, button, and input jack on the multimeter.

Instructions for activating and using the backlight and flashlight features.

Details how the meter automatically shuts down to save power after inactivity.

Describes when the buzzer sounds, including key presses and over-range alarms.

Steps for preparing the multimeter before taking measurements, including power on and wiring.

Step-by-step instructions for measuring AC and DC voltages safely and accurately.

Instructions for measuring AC and DC current, including correct probe connection and fuse checks.

Steps for measuring resistance, including safety precautions and probe connection.

Procedure for testing diodes outside the circuit, including polarity and expected readings.

How to perform a continuity test using the buzzer and indicator lights.

Procedure for measuring transistor hFE, including NPN/PNP identification and test hole connection.

Instructions for measuring capacitance, including discharge, polarity, and accuracy notes.

Guide to measuring frequency and duty ratio using AC voltage or Hz/DUTY gear.

How to measure temperature using a K-type thermocouple, including Celsius/Fahrenheit selection.

Procedure for detecting AC voltage without contact, including signal strength indication and warnings.

Step-by-step guide to safely replace the multimeter's battery.

Instructions for replacing test leads, emphasizing using equivalent types and checking insulation.