KAIWEETS KM100 Digital Multimeter and KET20 Test Leads User Manual

1. Introduction

This manual provides essential instructions for the safe and effective use of your KAIWEETS KM100 Digital Multimeter and KET20 Silicone Multimeter Test Leads. Please read this manual thoroughly before operation and retain it for future reference. The KM100 is designed for measuring AC/DC Voltage, DC Current, Resistance, Continuity, and Diode. The KET20 test leads offer high safety and durability for various electrical testing applications.

Image 1.1: KAIWEETS KM100 Digital Multimeter and KET20 Silicone Test Leads. The image displays the black digital multimeter on the left and the red and black silicone test leads on the right.

2. Safety Information

WARNING: Electrical shock hazard. Improper use can result in injury or death. Always follow safety precautions.

• Ensure the rotary switch is set to the correct measurement range before connecting the test leads.
• Do not attempt to measure AC current with the KM100 multimeter, as it is designed for DC current only.
• The KET20 test leads are rated for CAT III 1000V and CAT IV 600V. Always use appropriate Personal Protective Equipment (PPE).
• Inspect test leads for damage before each use. Do not use if insulation is cracked or damaged.
• Do not exceed the maximum input values for any range.
• Always disconnect power to the circuit before making resistance, continuity, or diode measurements.

Image 2.1: Rear view of the KAIWEETS KM100 Digital Multimeter, showing the kickstand and a warning label regarding electrical safety and proper usage.

3. Product Overview

3.1 KAIWEETS KM100 Digital Multimeter

The KM100 features a clear digital display, a rotary switch for function selection, and input jacks for test leads. It includes a data hold function and a backlight for visibility in dim conditions.

3.2 KAIWEETS KET20 Silicone Multimeter Test Leads

The KET20 test leads are constructed from temperature-resistant soft silicone, ensuring flexibility and durability. They feature 2mm ultra-fine gold-plated probes for precision and 4mm banana plugs for universal compatibility. The leads are 48 inches long.

Image 3.1: Detailed view of the KET20 test leads, highlighting features such as the 0.7mm tip, silicone material, 4mm banana plug, and 120cm length. The image also shows the CAT IV 600V and CAT III 1000V ratings.

Image 3.2: Close-up of the KET20 test leads, illustrating their flexible silicone material, high-purity copper wire, and gold-plated probes.

4. Setup

1. Install Batteries: Open the battery compartment on the back of the KM100 multimeter and insert the required batteries, observing polarity.
2. Connect Test Leads:
   • Insert the black test lead into the 'COM' (common) jack.
   • For most measurements (Voltage, Resistance, Diode, Continuity), insert the red test lead into the 'VΩmA' jack.
   • For DC Current measurements up to 10A, insert the red test lead into the '10A' jack.
3. Power On: Turn the rotary switch from 'OFF' to the desired measurement function.

5. Operating Instructions

5.1 AC Voltage Measurement

To measure AC voltage:

1. Set the rotary switch to the 'V~' (AC Voltage) range.
2. Connect the red test lead to the 'VΩmA' jack and the black test lead to the 'COM' jack.
3. Carefully touch the probes to the points where you want to measure AC voltage.
4. Read the value on the display.

Image 5.1: The KAIWEETS KM100 Multimeter displaying an AC voltage reading while probes are inserted into a wall outlet. Note: This meter cannot be used to test AC current.

5.2 DC Voltage Measurement

To measure DC voltage:

1. Set the rotary switch to the 'V-' (DC Voltage) range.
2. Connect the red test lead to the 'VΩmA' jack and the black test lead to the 'COM' jack.
3. Touch the red probe to the positive side and the black probe to the negative side of the DC source.
4. Read the value on the display.

Image 5.2: The KAIWEETS KM100 Multimeter displaying a DC voltage reading while probes are connected to an automotive battery.

5.3 DC Current Measurement

To measure DC current (up to 10A):

1. WARNING: Ensure the circuit is de-energized before connecting the meter in series.
2. Set the rotary switch to the 'A-' (DC Current) range.
3. Connect the red test lead to the '10A' jack and the black test lead to the 'COM' jack.
4. Open the circuit where current is to be measured and connect the meter in series.
5. Re-energize the circuit and read the value.

5.4 Resistance Measurement

To measure resistance:

1. WARNING: Ensure the circuit is de-energized and all capacitors are discharged before measuring resistance.
2. Set the rotary switch to the 'Ω' (Resistance) range.
3. Connect the red test lead to the 'VΩmA' jack and the black test lead to the 'COM' jack.
4. Touch the probes across the component or circuit segment.
5. Read the value on the display.

5.5 Continuity Test

To perform a continuity test:

1. WARNING: Ensure the circuit is de-energized before testing continuity.
2. Set the rotary switch to the '♪' (Continuity) range.
3. Connect the red test lead to the 'VΩmA' jack and the black test lead to the 'COM' jack.
4. Touch the probes across the component or wire.
5. If there is continuity (low resistance), the meter will emit an audible beep and display a low resistance value.

Image 5.3: The KAIWEETS KM100 Multimeter performing a continuity test on a wire, indicated by a 'buzz' sound effect shown in the image.

5.6 Diode Measurement

To measure diodes:

1. WARNING: Ensure the circuit is de-energized before testing diodes.
2. Set the rotary switch to the '→|→' (Diode) range.
3. Connect the red test lead to the 'VΩmA' jack and the black test lead to the 'COM' jack.
4. Touch the red probe to the anode and the black probe to the cathode of the diode.
5. Read the forward voltage drop on the display. Reverse the probes to check for an open circuit (OL) reading.

6. Maintenance

• Cleaning: Wipe the meter and test leads with a damp cloth. Do not use abrasive cleaners or solvents.
• Battery Replacement: Replace batteries when the low battery indicator appears on the display.
• Fuse Replacement: The KM100 features double fuses for anti-burn protection. If the meter stops functioning in a current range, the fuse may need replacement. Refer to the full product manual for fuse specifications and replacement instructions.
• Storage: Store the multimeter and test leads in a cool, dry place, away from direct sunlight and extreme temperatures. The included case provides protection during storage and transport.

Image 6.1: Illustration of the KET20 test leads' durability, high temperature resistance, safety features, convenience, and universal compatibility.

Image 6.2: Demonstrates the heat-resistant and corrosion-resistant properties of the silicone test leads, showing them exposed to flame and in a snowy environment, highlighting their suitability for extreme conditions.

7. Troubleshooting

• No Display/Weak Display: Check battery installation and charge. Replace batteries if necessary.
• Incorrect Readings:
  • Ensure the rotary switch is set to the correct function and range.
  • Verify test lead connections to the correct input jacks.
  • Check for damaged test leads or probes.
• No Current Measurement: Check if the fuse for the current range is blown. Replace if needed (refer to full manual).
• Continuity Test Not Beeping: Ensure the circuit is de-energized. Check for an open circuit or high resistance.

8. Specifications

9. Warranty and Support

KAIWEETS products are designed for reliability and performance. For warranty information, technical support, or service inquiries, please refer to the official KAIWEETS website or contact their customer service directly. Keep your purchase receipt as proof of purchase.