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Kaiweets HT118A User Manual

Kaiweets HT118A
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True-RMS Multimeter
Model: HT118A
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Kaiweets HT118A Specifications

General IconGeneral
True RMSYes
Continuity BuzzerYes
Diode TestYes
Data HoldYes
BacklightYes
NCVYes
Auto Power OffYes
Battery3 x 1.5V AAA
DisplayLCD, 6000 counts
Frequency10Hz to 10MHz
Temperature-20°C to 1000°C
Duty Cycle1% to 99%
Safety RatingCAT III 1000V, CAT IV 600V
Dimensions45 mm
Weightapprox. 350g
DC Voltage600mV/6V/60V/600V/1000V ±(0.5%+3)
Resistance600Ω/6kΩ/60kΩ/600kΩ/6MΩ/60MΩ ±(0.8%+3)

Summary

Manual Statement and Disclaimer

Safety Instructions

Warning for User Safety

"Warning" mark indicates conditions and operations that may cause danger to users.

Safety Precautions and Usage

Pre-Use Safety Checks

Lists precautions before use, probe checks, usage compliance, PPE, battery status, environment, and probe handling.

Probe Usage and Safety

Probe Handling and Replacement

Details on checking probe condition, replacement, and safe usage with the instrument.

Symbols and Ratings Explanation

Electrical Symbols and CAT Ratings

Explains symbols like High voltage warning, AC/DC, Fuse, Double insulated, CE, RoHS, and CAT II/III/IV ratings.

Multimeter Features Overview

Component Identification

Lists and labels components like NCV probe, flashlight, LCD display, rotary switch, and input terminals.

Key Features and Functions

FUNC. Key and Data Hold

Describes the FUNC. key's role and how to use the Data Hold function.

MIN/MAX, Backlight, and Flashlight

Explains MIN/MAX measurement, backlight operation, and flashlight usage.

Advanced Features

Sleep Mode and LED Indicators

Explains automatic sleep mode, battery saving, and LED terminal indications.

High Voltage Prompt Function

Explains the orange backlight illumination for high voltage or current.

Measurement Operation Guide

DC/AC Voltage Measurement

Steps to set the knob, connect probes, measure voltage, and read results. Includes warnings.

mV Voltage Measurement

DC/AC mV Voltage Measurement

Steps for measuring DC/AC voltage in mV range, including probe connection and safety warnings.

Frequency and Duty Cycle

Frequency/Duty Measurement

Instructions for measuring frequency and duty cycle, including probe connection and warnings.

Current Measurement

DC/AC Current Measurement

Guide for measuring DC/AC current, including probe connection, circuit connection, and safety.

Resistance Measurement

Resistance Measurement Procedure

Steps for measuring resistance, including probe connection, circuit disconnection, and safety warnings.

Continuity Test

Continuity Measurement

Instructions for continuity testing, including buzzer and indicator behavior, and safety.

Diode Measurement

Diode Measurement Procedure

Guide for measuring diode forward voltage, including probe connection and safety.

Capacitance Measurement

Capacitance Measurement Procedure

Steps for measuring capacitance, including probe connection and safety warnings.

NCV Test

NCV Test Procedure

Instructions for NCV testing, indicator lights, and beep sounds for signal strength.

Live Test

Live Voltage Test Procedure

Steps for live voltage testing, similar to NCV but for live circuits.

Temperature Measurement

Temperature Measurement Procedure

Guide for temperature measurement using a K-Type thermocouple, including probe connection and safety.

General Specifications

Display, Safety Ratings, and Fuses

Covers display counts, measurement types, safety ratings, fuse protection, and sampling rate.

Battery, Environment, and Altitude

Specifies battery type, operating/storage conditions, altitude limits, and pollution level.

Accuracy Specifications

DC Voltage Accuracy

Details accuracy, resolution, input impedance, max voltage, and overload protection for DC voltage.

AC Voltage and DC Current Accuracy

AC Voltage Accuracy

Provides accuracy, resolution, input impedance, max voltage, and frequency response for AC voltage.

DC Current Accuracy

Details accuracy, resolution, overload protection, max current, and measurement duration for DC current.

AC Current and Resistance Accuracy

AC Current Accuracy

Lists accuracy, resolution, overload protection, max current, and frequency response for AC current.

Resistance Accuracy

Provides accuracy and overload protection details for various resistance ranges.

Capacitance and Frequency/Duty Accuracy

Capacitance Accuracy

Details accuracy and overload protection for capacitance measurement ranges.

Frequency/Duty Accuracy

Provides accuracy for frequency and duty cycle measurements across different ranges.

Frequency/Duty and Current Specs

Hz/Duty and Voltage Sensitivity Specs

Details range, voltage sensitivity, and overload protection for Hz/duty and voltage measurements.

Current Measurement Specifications

Covers range, voltage sensitivity, and overload protection for current measurements (µA, mA, A).

Diode Test and Temperature Accuracy

Diode Test and Continuity Specs

Details function, voltage, and overload protection for diode test and continuity test.

Temperature Accuracy

Lists accuracy for temperature measurements in °C and °F, excluding probe error.

Maintenance Procedures

Instrument Cleaning

Detailed steps for cleaning dust from terminals and the instrument casing. Includes a warning.

Battery Replacement

Instructions for turning off power, opening cover, replacing batteries, and installing cover. Includes warnings.

Fuse Replacement

Fuse Replacement Procedure

Instructions for replacing a fuse, including safety precautions and ensuring correct fuse type.

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