TFT Diode Triode Capacitance Meter LCR ESR NPN PNP Mosfet LCR-TC1 3.5inch TFT Multimeter Transistor Tester tools Kit Set

The LCR-TC1 is a professional-grade digital component analyzer featuring a 3.5-inch TFT color display designed for precise measurement of inductance, capacitance, resistance, and ESR values in electronic circuits. Electronics technicians, repair professionals, and PCB assembly engineers rely on this tool to quickly identify faulty components including diodes, transistors (NPN/PNP), MOSFETs, and capacitors without desoldering from the circuit. This comprehensive tester eliminates guesswork in component diagnostics, reducing troubleshooting time by up to 70% and preventing costly replacement of functional components.

Product Overview

The LCR-TC1 Transistor Tester operates on the principle of impedance measurement and component parameter extraction using advanced signal processing algorithms. The device applies a low-voltage test signal to the component under test and measures the resulting impedance characteristics across multiple frequency ranges. The 3.5-inch TFT display provides real-time graphical representation of component parameters, allowing technicians to visually identify component degradation patterns. The tester features automatic component detection and classification, eliminating the need for manual mode selection in most testing scenarios. With support for testing components in-circuit, this tool significantly reduces PCB rework costs and accelerates fault diagnosis in complex electronic assemblies.

The LCR-TC1 incorporates a high-precision analog front-end with 16-bit ADC conversion, enabling measurement accuracy within 1% for standard components. The device supports testing of electrolytic capacitors with ESR measurement capability, crucial for identifying aged or failing capacitors in power supply circuits. The transistor testing function automatically identifies device type, pinout configuration, and gain parameters (hFE) for bipolar transistors, while MOSFET testing verifies gate threshold voltage and drain-source resistance. The comprehensive component library enables instant component identification and parameter verification against standard specifications, making it an indispensable tool for electronics repair, quality assurance, and educational laboratories.

Key Specifications

Specification	Details
Product Type	Digital LCR Meter and Transistor Tester with TFT Display
Display	3.5-inch TFT Color LCD Screen with 320x480 Resolution
Capacitance Range	0.01pF to 100mF with 1% accuracy
Inductance Range	0.001uH to 100H with 1% accuracy
Resistance Range	0.01 Ohm to 100 MOhm with 1% accuracy
ESR Measurement	0.01 Ohm to 100 Ohm for capacitor health assessment
Transistor Testing	NPN, PNP, MOSFET, JFET, Diode, Thyristor detection and parameter measurement
Frequency Range	1kHz to 100kHz multi-frequency measurement capability
Test Voltage	Low voltage 0.3V-2V safe for in-circuit testing
Power Supply	4 x AA Batteries or USB Power Input
Battery Life	Approximately 40-50 hours continuous operation
Origin	Original and Authentic
Warranty	7 days on manufacturing defects
Shipping	1-5 days from Bengaluru
Delivery	7-8 days across India
Support	24/7 via Email and WhatsApp

Key Features

• 3.5-inch TFT Color Display with 320x480 resolution providing clear visual representation of component parameters and measurement graphs for easy interpretation
• Automatic Component Detection identifies diodes, transistors (NPN/PNP), MOSFETs, JFETs, thyristors, and other semiconductor devices without manual mode selection
• ESR Measurement Capability enables assessment of capacitor health and identification of aged electrolytic capacitors prone to failure in power supply circuits
• In-Circuit Testing functionality allows component measurement without desoldering, reducing PCB rework time and preventing damage to circuit traces
• Multi-Frequency Impedance Analysis across 1kHz to 100kHz range provides comprehensive component characterization and identification of frequency-dependent behavior
• High-Precision 16-bit ADC with 1% accuracy ensures reliable component parameter measurements for critical applications
• Comprehensive Component Library with automatic parameter verification against standard specifications for instant component identification
• Dual Power Options with 4xAA battery operation or USB power input providing flexibility for field service and laboratory use

Applications and Use Cases

• Electronics Repair and Troubleshooting: Rapidly diagnose faulty components in consumer electronics, industrial equipment, and automotive circuits without extensive circuit analysis or component replacement trials
• Capacitor Health Assessment: Measure ESR values in power supply circuits to identify aging electrolytic capacitors before catastrophic failure occurs in critical applications
• Quality Assurance and Manufacturing: Verify component parameters during PCB assembly and incoming component inspection to ensure compliance with design specifications and prevent defective products reaching customers
• Educational Laboratory Applications: Teach electronics students component characteristics, impedance behavior, and semiconductor device parameters through hands-on measurement and analysis
• Field Service and Maintenance: Enable technicians to perform on-site component diagnostics for industrial equipment, HVAC systems, and power distribution installations without returning equipment to service centers
• Component Sorting and Binning: Classify salvaged or surplus electronic components by measuring actual parameters and identifying device type for inventory management and component reuse

How to Use

To begin testing with the LCR-TC1, insert four AA batteries into the battery compartment or connect via USB power input. Power on the device and allow the TFT display to initialize, displaying the main menu with available testing modes. For transistor testing, insert the three leads of the transistor into the three test sockets on the device body in any orientation. The device will automatically detect the transistor type (NPN, PNP, MOSFET, etc.), display the pinout configuration, and measure critical parameters including gain (hFE), leakage current, and forward voltage drops. For capacitor and inductor testing, insert the component leads into the appropriate test sockets and press the test button. The device will measure capacitance, inductance, and ESR values, displaying results on the TFT screen with graphical representation of measurement accuracy and component health status.

For in-circuit component testing on PCBs, carefully identify the component leads and touch the test probes to the component terminals without desoldering. The low test voltage (0.3V-2V) ensures safe operation without damaging surrounding circuit components or triggering circuit operation. The device will measure component parameters while accounting for parallel circuit paths and provide accurate readings even in complex circuit environments. Refer to the component library displayed on the TFT screen to verify measured parameters against standard specifications. For diode testing, insert the diode in either orientation and the device will measure forward voltage drop and reverse leakage current. For MOSFET testing, the device measures gate threshold voltage and drain-source on-resistance, enabling verification of device functionality and identification of gate oxide failures or channel degradation.

Frequently Asked Questions

Can the LCR-TC1 measure components while they are soldered on the PCB?

Yes, the LCR-TC1 is specifically designed for in-circuit testing with low test voltage (0.3V-2V) that prevents damage to surrounding components and circuit operation. However, accuracy may be affected by parallel circuit paths and nearby components. For most applications, in-circuit measurements provide sufficient accuracy for component health assessment and fault diagnosis. Desoldering is recommended only when precise component parameter verification is required for critical applications.

What is the difference between ESR measurement and capacitance measurement?

Capacitance measurement determines the charge storage capacity of a capacitor in Farads, while ESR (Equivalent Series Resistance) measures the internal resistance of the capacitor in Ohms. ESR increases as capacitors age and degrade, causing power dissipation and heat generation in power supply circuits. The LCR-TC1 measures both parameters simultaneously, allowing technicians to identify aging capacitors that still show acceptable capacitance but have elevated ESR values indicating imminent failure. This is particularly important for electrolytic capacitors in power supplies where high ESR causes voltage ripple and reduced circuit performance.

How does the LCR-TC1 automatically identify transistor type and pinout?

The device applies a series of low-voltage test signals to each pair of leads and measures the resulting impedance characteristics. Based on the impedance patterns and voltage responses, the internal microprocessor identifies the transistor type (NPN, PNP, MOSFET, JFET, etc.) and determines which lead is the base, collector, emitter (for BJTs) or gate, drain, source (for MOSFETs). The device then measures critical parameters including gain (hFE), leakage current, and forward voltage drops, displaying the complete device characterization on the TFT screen. This automatic detection eliminates the need for manual mode selection and prevents incorrect component identification.

What battery type should I use and how long do batteries last?

The LCR-TC1 requires four AA batteries (alkaline or rechargeable NiMH recommended). Alkaline batteries typically provide 40-50 hours of continuous operation, while rechargeable NiMH batteries may provide slightly less runtime but offer cost savings for frequent users. The device includes a USB power input option for laboratory use where continuous operation is required. Battery status is displayed on the TFT screen, allowing you to monitor remaining power and plan battery replacement accordingly.

Is the LCR-TC1 suitable for testing components in high-voltage circuits?

The LCR-TC1 applies only 0.3V-2V test voltage, making it completely safe for testing components in any circuit environment without risk of damage or electrical hazard. However, you must ensure the circuit is powered off and fully discharged before connecting test probes to prevent accidental electrical shock or component damage from residual circuit voltage. For maximum safety, use a multimeter to verify that the circuit is completely de-energized before beginning component testing.

When will I receive my order?

Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.

What is your return and warranty policy?

We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for

Buy TFT Diode Triode Capacitance Meter LCR ESR NPN PNP Mosfet LCR-TC1 3.5inch TFT Muiltmeter Transistor Tester tools Kit Set Online in India

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