KAIWEETS HT113B Digital Multimeter User Manual
This document provides detailed instructions for the safe and effective use of the KAIWEETS HT113B Digital Multimeter.
Product Overview
The KAIWEETS HT113B is a professional digital multimeter designed for accurate electrical measurements. It features TRMS (True Root Mean Square) for precise readings, a 4000 count display, and the ability to measure AC/DC current, voltage, resistance, continuity, diodes, and Non-Contact Voltage (NCV). It also includes a battery test function and is equipped with dual fuses for enhanced safety against overheating.
Key Features
- TRMS measurement for accurate AC readings
- 4000 counts digital display
- Measures AC/DC Voltage, AC/DC Current, Resistance
- Continuity, Diode, and NCV testing
- Battery Test function
- Dual fuse protection
- Backlit LCD display
- Auto power off
Specifications
| Parameter | Range | Accuracy |
|---|---|---|
| DC Voltage | 400mV - 600V | ±(0.5%+3) |
| AC Voltage | 4V - 600V | ±(1.0%+3) |
| DC Current | 400mA - 10A | ±(1.0%+3) |
| AC Current | 400mA - 10A | ±(1.2%+3) |
| Resistance | 400Ω - 40MΩ | ±(0.8%+3) |
| Capacitance | 10nF - 40mF | ±(3.0%+5) |
| Frequency | 10Hz - 10MHz | ±(0.1%+3) |
| Temperature | -40°C to 1000°C (-40°F to 1832°F) | ±(2.0%+3) |
Safety Precautions
Always adhere to the following safety guidelines:
- Ensure the multimeter is set to the correct function and range before measurement.
- Never measure voltage in circuits that exceed the instrument's rated voltage.
- Do not touch the probe tips when measuring voltage.
- Use appropriate personal protective equipment (PPE) when working with electricity.
- Inspect the test leads for damage before each use.
- Replace fuses only with the specified type and rating.
Operating Instructions
1. Powering On/Off: Turn the rotary switch to the desired function. The multimeter will power on automatically. To turn it off, turn the rotary switch to the OFF position.
2. Measuring Voltage: Connect the red test lead to the VΩmA jack and the black test lead to the COM jack. Select the appropriate AC or DC voltage range and connect the probes in parallel with the circuit under test.
3. Measuring Current: Connect the red test lead to the A jack (for higher currents) or VΩmA jack (for lower currents) and the black test lead to the COM jack. Connect the probes in series with the circuit. Ensure the correct current jack is used to avoid blowing the fuse.
4. Measuring Resistance: Connect the red test lead to the VΩmA jack and the black test lead to the COM jack. Select the appropriate resistance range and connect the probes across the component to be measured. Ensure the circuit is de-energized.
5. Continuity Test: Select the continuity function (often indicated by a buzzer symbol). Connect the probes across the component. If the resistance is below a certain threshold, the buzzer will sound.
6. NCV Test: Select the NCV function. Bring the tip of the multimeter near a conductor. If voltage is detected, the indicator light will flash and an audible alarm will sound.
Maintenance
Keep the multimeter clean and dry. Clean the exterior with a soft, damp cloth. Avoid using solvents or abrasive cleaners. Store the multimeter in a cool, dry place when not in use.
Troubleshooting
No display: Check if the battery is low or depleted. Replace the battery if necessary.
Inaccurate readings: Ensure the test leads are properly connected and the correct function/range is selected. Check for damaged test leads or low battery.
Buzzer not sounding: Verify the continuity function is selected and the resistance is within the continuity threshold. Check the battery.
Contact Information
For customer support or inquiries, please refer to the KAIWEETS official website or the retailer where the product was purchased.
