Ultra Bright White 14.2mm (0.56-Inch) 4-Digit 7-Segment Common
Cathode LED Display for Multimeters
Product Overview
Introducing the Ultra Bright White 4-Digit 7-Segment Common Cathode
LED Display—a precision-focused numeric solution engineered for
multimeters, instrument panels, and home appliances. Designed to
prioritize high visibility, accurate measurement readouts, and
seamless integration, this 4-digit display excels at showing
complex metrics: multimeter values (voltage “220.0V”, current
“0.80A”, resistance “100.0Ω”), instrument panel data (e.g.,
“50.0Hz” frequency), or home appliance temps (e.g., “180.0°C”).
Its 14.2mm (0.56-inch) character height ensures exceptional
readability from 0.5–2 meters (typical for multimeter operation in
workshops or labs), while the 50.3×19.0×8mm form factor fits
standard multimeter enclosures—no bulky redesigns required. The
white segments on a black surface create sharp contrast with ultra
bright white light (120-160mcd), cutting through bright ambient
light (e.g., workshop lights, sunlight) without eye strain.
With common cathode polarity, low power consumption (5-10mA/LED),
and RoHS compliance, this display balances durability, energy
efficiency, and performance—ideal for 24/7 operation in multimeters
and precision measurement devices.
Main Image
Key Features (Multimeter-Optimized)
1. High Visibility for Precision Measurements
Ultra Bright White Illumination (120-160mcd): Among the brightest in its class, it ensures fine measurement
details (e.g., decimal points for “23.50V”) stay clear in harsh
lighting—no squinting to distinguish “0.05A” from “0.50A” (a
critical difference for circuit safety).
White Segments on Black Surface: High contrast eliminates “washout” and fuzzy edges, making every
digit (0-9) and decimal point sharp—avoids measurement errors that
could damage components or mislead technicians.
4-Digit Precision: Supports 4-digit readouts (e.g., “1250Ω”, “0.025A”) with decimal
point flexibility, matching the accuracy needs of professional
multimeters—critical for testing sensitive electronics or
low-current circuits.
2. Energy Efficiency & Stable Performance
Low Power Consumption (5-10mA/LED): Extremely low current draw minimizes energy use, extending battery
life for portable multimeters—essential for field technicians
working away from power outlets.
Optimized Forward Voltage (2.8-3.2V/LED): Compatible with standard 5V/12V power supplies used in multimeters
and instrument panels—no need for custom voltage converters,
simplifying circuit design.
Stable Operation in Variable Environments: Withstands temperature fluctuations (-10°C to 60°C, typical for
workshops/labs) and minor vibrations (e.g., carrying the multimeter
in a toolbox)—maintains consistent brightness, no flickering during
value updates.
3. Easy Integration & Durability
Common Cathode Polarity: Works with standard multimeter driver ICs (e.g., TM1638, HT1621,
MAX7219)—simplifies circuit design for manufacturers and integrates
seamlessly with multimeter firmware (e.g., sensor data processing,
unit labeling like “V/A/Ω”).
Easy-to-Assemble Design: Compatible with PCB direct-mounting and automated production
lines—ensures consistent alignment in multimeter panels, reducing
manual labor errors and speeding up manufacturing.
Long Lifespan (50,000+ Hours): High-quality white LEDs match the 8–10 year service life of most
multimeters—eliminates downtime from frequent display replacements,
lowering maintenance costs for users.
4. Versatility & Compliance
Multi-Color Options: Beyond ultra bright white, available in red (for alert values,
e.g., “OVERLOAD”), blue (modern aesthetics), yellow green
(eco-aligned designs), pure green, amber, and orange—flexible for
functional cues (e.g., red = high current warning) or
brand-specific instrument designs.
RoHS Compliant: Free from lead, mercury, and harmful substances—safe for
professional and home use, and export to global markets (EU, North
America, Asia), meeting electrical equipment safety standards.
Detail Image
