1. Product Overview
This instruction manual provides essential information for the safe and effective use of the TESMEN Electrical Testing Kit, which includes the TM-510 Digital Multimeter and the TN-213 Non-Contact Voltage Tester. This kit is designed for various electrical testing applications, offering accurate measurements and enhanced safety features.

Image 1.1: TESMEN TN-213 Voltage Tester and TM-510 Digital Multimeter Bundle.
2. What's Included
The TESMEN Electrical Testing Kit package typically includes the following items:
- 1 x TESMEN TM-510 Digital Multimeter
- 1 x TESMEN TN-213 Non-Contact Voltage Tester
- 2 x Test Leads (for TM-510)
- 1 x Storage Bag
- 4 x AAA Batteries (for both devices)
- 2 x User Manuals (one for each device, or a combined manual)
3. Key Features
3.1 Safety and Reliability
Both the TM-510 and TN-213 are rated CAT II 600V and CAT IV 600V, and are RoHS certified. Internal overload protection measures are integrated to enhance safety. The TN-213 also features an IP66 rating for water and dust resistance.

Image 3.1.1: TN-213 Voltage Tester demonstrating IP66 water and dust resistance.
3.2 Versatile Application
This kit is suitable for a wide range of electrical testing needs, including household appliance repair, vehicle maintenance, and general electrical circuit tests.
3.3 Swift and Accurate Measurements (TM-510 Multimeter)
The TM-510 is an intelligent digital multimeter with 4000 counts. It features a smart automatic measurement mode for accurately measuring AC/DC voltage, resistance, and continuity.

Image 3.3.1: TM-510 Multimeter displaying 4000 counts and various measurement functions.

Image 3.3.2: TM-510 Multimeter operating in Smart Auto-Mode.

Image 3.3.3: TM-510 Multimeter demonstrating AC and DC voltage measurement.
3.4 AC Voltage Detection (TN-213 Voltage Tester)
The TN-213 offers high and low sensitivity modes, enabling rapid detection of AC voltage with visual and audible alarms.

Image 3.4.1: TN-213 Voltage Tester showing dual-range AC voltage detection.

Image 3.4.2: TN-213 Voltage Tester visualizing voltage strength with percentage and analog bar.

Image 3.4.3: TN-213 Voltage Tester demonstrating Non-Contact Voltage (NCV) detection.
3.5 User-Friendly Design
Both tools include features such as automatic shutdown, low battery indication, backlight display, and a built-in flashlight for improved usability in various conditions.

Image 3.5.1: TM-510 Multimeter highlighting backlight and flashlight functions.
4. Setup
4.1 Battery Installation (TM-510 Digital Multimeter)
- Ensure the multimeter is powered off.
- Locate the battery compartment on the back of the device.
- Remove the rubber backing or battery cover.
- Insert the AAA batteries, observing the correct polarity (+/-).
- Replace the battery cover and rubber backing securely.
4.2 Battery Installation (TN-213 Voltage Tester)
- Ensure the voltage tester is powered off.
- Locate the battery compartment, typically at the rear or base of the device.
- Open the battery cover.
- Insert the required batteries (usually AAA), ensuring correct polarity.
- Close the battery cover securely.
5. Operating Instructions
5.1 TM-510 Digital Multimeter Operation
- Power On/Off: Press and hold the power button (red button) to turn the multimeter on or off.
- Auto Measurement Mode: The TM-510 defaults to Smart Auto-Mode upon power-on. In this mode, it automatically detects and measures AC/DC voltage, resistance, and continuity.
- Connecting Test Leads: Insert the red test lead into the 'VΩmA' jack and the black test lead into the 'COM' jack.
- Taking Measurements: Apply the test probes to the circuit or component you wish to measure. The display will show the detected measurement type and value.
- Backlight and Flashlight: A short press of the backlight/flashlight button activates the display backlight. A long press activates the built-in flashlight.
5.2 TN-213 Non-Contact Voltage Tester Operation
- Power On/Off: Press the power button to turn the voltage tester on or off.
- AC Voltage Detection: Bring the tip of the TN-213 close to the wire or outlet you want to test. If AC voltage is detected, the device will provide visual (LED indicator) and audible alerts.
- High/Low Sensitivity Modes: Use the sensitivity button (often marked 'S' or with a sensitivity icon) to switch between high and low sensitivity modes as needed for different voltage ranges or environments.
6. Safety Information
Always adhere to the following safety guidelines when using electrical testing equipment:
- Read and understand the entire user manual before operation.
- Always wear appropriate personal protective equipment (PPE), such as safety glasses and insulated gloves.
- Do not use the devices if they appear damaged or are not operating correctly.
- Verify the device's functionality on a known live source before testing an unknown source.
- Do not exceed the maximum input values specified for each function.
- Be cautious when working with voltages above 30V AC RMS, 42V peak, or 60V DC, as these pose a shock hazard.
- Ensure the battery compartment is securely closed before use.
- Keep the devices dry and clean.
7. Specifications
7.1 General Specifications
- Brand: TESMEN
- Power Source: Battery Powered (AAA batteries)
- Color: Green
- Certification: RoHS
7.2 TM-510 Digital Multimeter Specifications
- Measurement Type: Multimeter
- Display: 4000 Counts
- Measurement Modes: Smart Automatic Measurement (AC/DC Voltage, Resistance, Continuity)
- Additional Features: Automatic Shutdown, Low Battery Indication, Backlight Display, Built-in Flashlight
7.3 TN-213 Voltage Tester Specifications
- Detection Type: Non-Contact AC Voltage
- Sensitivity Modes: High and Low
- Alerts: Visual and Audible
- Ingress Protection: IP66 Rated (Water and Dust Resistant)
8. Maintenance
To ensure the longevity and accuracy of your TESMEN electrical testing kit, follow these maintenance guidelines:
- Cleaning: Wipe the devices with a dry, soft cloth. Do not use abrasive cleaners or solvents.
- Battery Replacement: Replace batteries promptly when the low battery indicator appears to ensure accurate readings and prevent damage from battery leakage.
- Storage: Store the devices in the provided storage bag in a cool, dry place away from direct sunlight and extreme temperatures. Remove batteries if the devices will not be used for an extended period.
- Inspection: Periodically inspect the test leads for any signs of damage, such as cracks or frayed insulation. Replace damaged leads immediately.
9. Troubleshooting
If you encounter issues with your TESMEN electrical testing kit, consider the following common troubleshooting steps:
- Device Not Powering On: Check if the batteries are correctly installed and fully charged. Replace batteries if necessary.
- Inaccurate Readings: Ensure test leads are properly connected and not damaged. Verify the device is in the correct measurement mode (if applicable, though TM-510 has auto-mode). Clean the probe tips if they are dirty.
- No NCV Detection (TN-213): Ensure the device is powered on and the tip is brought close enough to the AC voltage source. Check battery level.
- Intermittent Operation: This could indicate low batteries or a loose connection. Check both.
If problems persist after attempting these steps, contact TESMEN customer support for further assistance.
10. Warranty and Support
TESMEN products are designed for reliability and performance. For specific warranty details, including coverage period and terms, please refer to the warranty card included with your product or visit the official TESMEN website. For technical support, replacement parts, or any other inquiries, please contact TESMEN customer service through their official channels.
Contact Information: Refer to the product packaging or the official TESMEN website for the most current customer support contact details.