LC100A 2.5″ LCD Digital High Precision Inductance/Capacitance (L/C) Meter

The LC100A is a professional-grade digital L/C meter designed for precise measurement of inductance and capacitance values in electronic circuits and components. Electronics engineers, technicians, and repair professionals rely on this instrument to verify component specifications, troubleshoot circuit failures, and validate PCB designs with high accuracy. This meter solves the critical problem of identifying faulty inductors and capacitors in production environments, field service operations, and laboratory testing where measurement precision directly impacts product quality and reliability.

Product Overview

The LC100A operates on the principle of resonant frequency measurement, utilizing an internal oscillator circuit to determine inductance and capacitance values with exceptional accuracy. When a component is connected to the meter's test terminals, the device measures the resonant frequency shift and calculates the L or C value using advanced algorithms. The 2.5-inch LCD display provides clear, easy-to-read measurements in multiple ranges, eliminating parallax errors common in analog meters. This digital approach ensures consistent accuracy across different measurement ranges without the need for manual range switching adjustments or zero calibration before each measurement.

What distinguishes the LC100A is its dual-function capability to measure both inductance (typically 0.01µH to 100mH) and capacitance (typically 0.1pF to 100µF) in a single compact instrument, eliminating the need for separate meters on the workbench. The high-precision measurement circuitry incorporates temperature-compensated oscillators and digital signal processing to deliver repeatability within 2-3% accuracy even in varying ambient conditions. The meter's compact design, powered by standard alkaline batteries, makes it portable for field service technicians while maintaining laboratory-grade measurement standards essential for quality assurance in manufacturing facilities.

Key Specifications

Specification	Details
Product Type	Digital Inductance/Capacitance Meter
Display Type	2.5 inch LCD Digital Display
Inductance Range	0.01µH to 100mH (multiple ranges)
Capacitance Range	0.1pF to 100µF (multiple ranges)
Measurement Accuracy	±2-3% of reading
Display Resolution	4-digit LCD with auto-ranging
Operating Frequency	100kHz oscillator for stable measurements
Power Supply	2x AAA batteries (1.5V each)
Battery Life	Approximately 100 hours continuous operation
Operating Temperature	0°C to 40°C
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

• Dual-function measurement capability for both inductance and capacitance eliminates need for multiple instruments on service technician carts and laboratory benches
• High-precision 2.5-inch LCD display with 4-digit resolution provides clear visibility of measurements in bright workshop environments and low-light field service conditions
• Auto-ranging functionality automatically selects appropriate measurement range, reducing operator error and ensuring accurate readings across wide component value ranges
• Compact portable design with battery-powered operation enables field technicians to carry the meter for on-site component verification and circuit troubleshooting
• Temperature-compensated oscillator circuit maintains measurement accuracy across varying ambient conditions from 0°C to 40°C operating range
• Fast measurement response time provides near-instantaneous readings for efficient production line testing and rapid fault diagnosis

Applications and Use Cases

• PCB assembly quality control where incoming component verification ensures only genuine inductors and capacitors are soldered into circuit boards, preventing field failures
• Electronics repair shops utilizing the meter to identify failed capacitors in power supplies and inductors in switching circuits before component replacement
• Manufacturing test stations for validating component specifications during production runs, with measurements logged for ISO 9001 compliance documentation
• Educational laboratories in polytechnics and engineering colleges for teaching analog circuit theory and component characterization to electronics students
• Field service technicians diagnosing faulty power factor correction capacitors in industrial equipment and measuring filter inductors in communication systems
• Research and development environments for prototype circuit validation and component sourcing verification from multiple suppliers

How to Use

Begin by inserting two AAA batteries into the battery compartment located on the rear of the LC100A meter, ensuring correct polarity alignment as indicated by the internal markings. Power on the device using the front-panel switch and allow 2-3 seconds for the oscillator circuit to stabilize before taking measurements. The display will show the selected measurement mode (L for inductance or C for capacitance) with the current range setting. To measure an inductor, connect the component leads to the test terminals marked with the inductance symbol, ensuring firm contact to minimize contact resistance effects on measurement accuracy. For capacitor measurement, connect the capacitor leads to the capacitance test terminals, observing correct polarity for polarized electrolytic capacitors to avoid damaging the meter's input circuitry.

The meter's auto-ranging feature will automatically select the appropriate measurement range based on the component value, displaying the result in microhenries (µH) for inductance or farads (F) for capacitance within 1-2 seconds. For components with very low values (below 1µH or 1pF), ensure test leads are as short as possible and kept away from metal objects that could introduce parasitic inductance or capacitance into the measurement circuit. After completing measurements, disconnect the test component and power off the meter to preserve battery life. Store the meter in a dry environment between 0°C and 40°C to maintain calibration accuracy and prevent condensation inside the LCD display housing.

Frequently Asked Questions

What is the difference between the LC100A and analog L/C meters?

The LC100A provides digital precision with ±2-3% accuracy and automatic range selection, whereas analog meters require manual range switching and exhibit parallax reading errors. Digital meters eliminate zero-adjustment requirements before each measurement, making the LC100A superior for production environments where measurement speed and consistency are critical. The LCD display provides unambiguous readings without interpretation, reducing human error in component verification processes.

Can the LC100A measure capacitors with DC voltage applied?

No, the LC100A should only measure capacitors without applied DC voltage. Always discharge capacitors using a resistive load before measurement to prevent damage to the meter's sensitive input circuitry. The meter's internal oscillator operates at AC signal levels only, and residual DC voltage can cause measurement errors or circuit damage. For safety, use a 10kΩ resistor across capacitor terminals for 5 seconds before connecting to the meter.

Why do my inductance measurements vary slightly between consecutive readings?

Small variations (within 2-3% accuracy specification) are normal due to component lead resistance, contact resistance at test terminals, and temperature fluctuations affecting the oscillator frequency. To minimize variation, ensure test lead connections are clean and tight, keep measurements within the 0°C to 40°C operating range, and allow 30 seconds for thermal stabilization after power-on. If variations exceed 5%, check for loose test terminal connections or contamination on component leads.

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 user damage or misuse.

Are bulk discounts available?

Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.

Why Buy from The Engineer Store

• Genuine Products: Sourced directly from authorized distributors with authentication
• Expert Team: Our technical team validates every product before listing
• Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
• Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
• Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
• Technical Support: 24/7 expert guidance via email and WhatsApp
• Returns: 7-day return policy on manufacturing defects only

Buy LC100A 2.5″ LCD Digital High Precision Inductance/Capacitance (L/C) Meter Online in India

Purchase the LC100A 2.5″ LCD Digital High Precision Inductance/Capacitance (L/C) Meter online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on LC100A 2.5″ LCD Digital High Precision Inductance/Capacitance (L/C) Meter with fast shipping and expert support.

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