1. Introduction
The ACEIRMC LCR-TC1 Multi-Function Tester is a versatile and portable device designed for the rapid identification and measurement of various electronic components. Featuring a colorful TFT display, it provides clear and detailed results for components such as transistors (NPN, PNP, N-channel, P-channel MOSFET, IGBT, JFET), diodes, triodes, capacitors, resistors, and triacs. Its one-button operation simplifies the testing process, making it suitable for hobbyists and professionals alike.
2. Product Overview
2.1 Key Features
- Detects NPN and PNP transistors, capacitors, resistors, diodes, triodes, N-channel and P-channel MOSFETs, IGBTs, JFETs, triacs, and batteries.
- Automatic component detection and parameter display on a 160x128 TFT graphic display.
- One-button operation for ease of use, with automatic shutdown.
- Integrated infrared remote control decoding function, displaying data code and infrared waveform.
- Supports both Chinese and English display languages.
- Pocketable design with a 1.8-inch colorful display.
2.2 Device Components and Layout

Figure 2.2.1: LCR-TC1 Multi-Function Tester Labeled Diagram. This image shows the front view of the LCR-TC1 tester with key components labeled, including the 160x128 TFT Display, Transistor Test Area (ZIF socket), Zener Diode Test Area, IR (Infrared) Receive Window, Multi-Function Button, Charging Indicator Light, and Micro USB Charging Interface.

Figure 2.2.2: LCR-TC1 Multi-Function Tester Dimensions. This image illustrates the physical dimensions of the LCR-TC1 tester: approximately 90mm (3.51in) in height, 70mm (2.75in) in width, and 26mm (1.02in) in depth.

Figure 2.2.3: LCR-TC1 Multi-Function Tester and Accessories. This image displays the LCR-TC1 tester along with its included accessories: test hooks (red, green, black), jumper wires, a micro USB charging cable, and sample components (capacitor, LED, and test pins).
3. Setup
3.1 Initial Charging
Before first use, ensure the LCR-TC1 tester is fully charged. Connect the provided Micro USB cable to the charging interface on the device and the other end to a standard USB power source (e.g., computer USB port, USB wall adapter). The charging indicator light will illuminate during charging and turn off when fully charged.
3.2 Component Preparation
For accurate measurements, ensure the leads of the component to be tested are clean and free of oxidation. For capacitors, it is crucial to discharge them completely before testing to prevent damage to the tester. Use appropriate safety measures when handling charged components.
4. Operating Instructions
4.1 Basic Component Testing
- Power On: Press the Multi-Function Button (Start button) to power on the device.
- Insert Component: Carefully insert the pins of the component into the corresponding holes in the ZIF (Zero Insertion Force) socket (Transistor Test Area). Ensure good contact. For components with more than three pins, or for testing with test hooks, connect the leads to the appropriate test points (1, 2, 3) using the provided test hooks or jumper wires.
- Initiate Test: Once the component is securely connected, press the Multi-Function Button again. The tester will automatically detect the component type and measure its parameters.
- View Results: The measurement results, including component type, pinout, and measured values (e.g., capacitance, resistance, gain), will be displayed on the TFT screen.
- Automatic Shutdown: The device will automatically shut down after a period of inactivity to conserve battery life. You can also press and hold the Multi-Function Button to manually turn off the tester.

Figure 4.1.1: Testing a Component. This image demonstrates how to connect a component, in this case, a capacitor, to the LCR-TC1 tester using the provided test hooks. The hooks are connected to the test points on the device, and the component is clipped into the hooks for measurement.
4.2 Infrared Remote Control Decoding
The LCR-TC1 can decode infrared signals from remote controls.
- Activate IR Mode: After a component test, or upon powering on, align the infrared remote control with the "IR" light window on the tester.
- Press Button: Press a button on the remote control.
- View Data: If the tester successfully decodes the signal, it will display the data code and the infrared waveform on the screen.
4.3 Video Demonstration
Video 4.3.1: LCR-TC1 Multi-Function Tester Overview. This video provides a brief demonstration of the LCR-TC1 Multi-Function Tester, showcasing its display and various testing capabilities. It highlights the device's compact size and ease of use for identifying electronic components.
5. Maintenance
- Cleaning: Use a soft, dry cloth to clean the device. Do not use abrasive cleaners or solvents.
- Storage: Store the tester in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: For optimal battery life, avoid fully discharging the battery frequently. Charge the device regularly, especially if it will be stored for an extended period.
- Component Leads: Ensure component leads are clean before insertion into the ZIF socket to prevent damage to the socket contacts.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Low battery or no charge. | Connect the device to a USB power source and charge it fully. |
| Blank screen after power on. | Software issue or internal fault. | Try restarting the device. If the problem persists, contact customer support. |
| Inconsistent button behavior (sometimes retests, sometimes turns off). | Sensitive button mechanism or user technique. | Ensure a firm, deliberate press. A quick press initiates a test, a longer press may turn off the device. Practice to understand the sensitivity. |
| Inaccurate readings or "Unknown Part" display. | Poor component contact, component damage, or component type not supported. | Ensure component leads are clean and fully inserted into the ZIF socket or test hooks. Verify the component is not damaged. Confirm the component type is within the tester's capabilities. Ensure capacitors are discharged before testing. |
7. Specifications
- Model: 16543
- Display: 160x128 TFT Color Display
- Power Source: Battery Powered (Internal rechargeable battery)
- Min. Operating Voltage: 3.7 Volts
- Dimensions: Approximately 90mm x 70mm x 26mm (3.51in x 2.75in x 1.02in)
- Weight: Approximately 8.01 ounces
- Supported Components: NPN/PNP Transistor, Capacitor, Resistor, Diode, Triode, N-channel/P-channel MOSFET, IGBT, JFET, Triac, Battery.
- Additional Functions: Infrared Remote Control Decoding
8. Warranty and Support
For warranty information or technical support, please refer to the purchase documentation or contact ACEIRMC customer service directly. Keep your purchase receipt as proof of purchase.
ACEIRMC Customer Service: Please visit the official ACEIRMC store on Amazon or their official website for contact details and support resources. Visit ACEIRMC Store

