1- Key Product Features
Multi-purpose Support: Ability to test and measure various transistors, capacitors, resistors, inductors, diodes, MOSFETs, and batteries.
Anti-Burn Protection: Automatic discharge of charged capacitors to prevent damage to the device's internal board.
Smart Detection: Automatic identification of component type, parameters, and pin configuration without manual settings.
Infrared Analysis: Decoding and analysis of NEC infrared protocol for troubleshooting remote controls.
Modular Design: Utilizes a replaceable test socket (Patch Seat) to enhance device lifespan and performance.
Color Display: Equipped with a 1.44-inch panel for precise data and component graph display.
2- Brief and Concise Product Description
The FNIRSI LCR-P1 component tester is a precise and multifunctional measuring tool specifically developed for electronics engineers, repair technicians, and circuit design enthusiasts. This device quickly analyzes semiconductor components such as BJT transistors, diodes, and various FETs, providing comprehensive information on the health status and technical specifications of the component.
Powered by a 300mAh lithium battery and featuring a Type-C charging port, it is recognized as a portable and pocket-sized tester. The automatic component and pin configuration detection minimizes human error during troubleshooting and significantly speeds up work in electronics labs.
3- Technical Specifications Table
Technical Specification
Value / Description
Brand
FNIRSI
Model
LCR-P1
Product Dimensions
71x87x28 mm
Display Type
1.44-inch color digital
Transistor Test Range
10 < B < 600
Capacitor Range
25 pF to 100 mF
Inductor Range
10 µH to 1000 µH
Resistance Range
0.01 Ω to 50 MΩ
Diode Test
Forward voltage less than 4.5 V
Zener Diode
0.01 to 4.5 V / 0.01 to 32 V
Supported Transistors
JFET / IGBT / MOSFET
Triac
Turn-on voltage < 5 V, trigger current < 6 mA
IR Decoding
NEC infrared protocol
Power Source
300mAh lithium battery
Operating Temperature
0 to 40 °C
Charging Port
USB Type-C (5V/1A)
Anti-Burn Protection
Yes (automatic capacitor discharge)
Firmware Update
Supported
4- Full Product Introduction and Expert Review
The FNIRSI LCR-P1 goes beyond a typical multimeter and serves as a specialized semiconductor tester, bridging the gap between simple measuring tools and advanced laboratory equipment. Below is an analysis of various aspects of this device.
Technical Analysis and Protective Mechanism
One of the main challenges in using testers is device damage caused by connecting charged capacitors. The LCR-P1 uses an anti-burn protection circuit that automatically discharges excess charge from capacitors upon connection before starting measurement. This feature ensures device safety in fast-paced repair environments.
Practical Troubleshooting Capabilities
Besides measuring capacitance and resistance, this device includes a dedicated channel for testing Zener diodes up to 32 volts. Its infrared decoding capability makes it a key tool for audio and video equipment technicians to verify remote control signal transmission.
Price Guide and Purchasing the FNIRSI LCR-P1 Tester
In the measuring equipment market, the LCR-P1 price is highly competitive considering it combines multiple tools (capacitance meter, inductance meter, transistor tester, and IR analyzer). When purchasing the LCR-P1, note that it complements tools like oscilloscopes and multimeters on the engineering bench rather than replacing them, significantly speeding up faulty component identification.
Strengths and Limitations
Strengths: Very compact size, single-button operation, high accuracy in MOSFET identification, and a color display with good resolution.
Limitations: Voltage limits when testing some industrial triacs with high trigger current and a display size that may seem small for extended analyses.
5- Target Customers
Electronic Board Repair Technicians: For rapid troubleshooting of SMD and DIP components on power and motherboard boards.
Circuit Designers and Electronics Engineers: For matching transistors and initial component testing before assembly.
Electronics Students and Trainees: As an affordable educational tool for learning about various semiconductors.
Remote Control Repair Technicians: To test transmitted codes and the health of infrared transmitters.
Electronic Component Sellers: To test component health at the point of sale.
6- Frequently Asked Questions (FAQ)
Can this device measure high-capacity capacitors?
Yes, the LCR-P1 can measure capacitors up to 100 millifarads (100,000 microfarads), but for higher accuracy, it is recommended to manually discharge very large capacitors before testing (although the device has an internal protection system).
What is the difference between testing a regular diode and a Zener diode with this device?
Regular diodes are tested in the main socket with voltages below 4.5 volts, while a dedicated section is provided for Zener diodes capable of measuring breakdown voltages up to 32 volts.
How can the device firmware be updated?
By connecting the device to a computer via the Type-C port and downloading the relevant files from the official FNIRSI website, software upgrades can be performed.
Is the device battery replaceable?
The device uses an internal lithium battery charged via USB. If replacement is needed after its lifespan ends, the device casing must be opened and the battery replaced with a similar specification.
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