Hioki Lux Meters

Professional lux meters for illuminance measurement up to 200,000 lux.

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Shop Hioki Lux Meters

FT3424

Hioki FT3424 Lux Meter 200,000 Lux

Professional lux meter with 0–200,000 lux range across 5 ranges. Silicon photodiode sens...

₹56,086 ₹44,869 + 18% GST

FT3425

Hioki FT3425 Lux Meter 200,000 Lux

Advanced lux meter with 0–200,000 lux range and built-in Bluetooth for wireless data log...

₹78,515 ₹62,812 + 18% GST

What is a Lux Meter?

A lux meter measures illumination (light intensity) in lux (lx) or foot-candles (fc). One lux = light from one candle at 1 meter distance. Lux meters verify that workplaces, stores, and homes have adequate lighting for safety and productivity.

Why this matters: Poor lighting causes eye strain, headaches, reduced productivity, and safety hazards. Good lighting can increase productivity by 10–20%. Indian building codes require specific lux levels for different spaces. Regular measurement ensures compliance and worker safety.

Key advantage: A ₹5,000 lux meter can optimize lighting, increase productivity, and potentially save electricity if over-lit spaces are adjusted.

Why Choose Hioki Lux Meters?

Hioki lux meters are trusted by architects, facilities managers, and safety engineers:

1. Wide Measurement Range (20 to 200,000 lux)

Five measurement ranges cover everything from dim indoor lighting to direct bright sunlight in one instrument.

2. Standards-Compliant Light Response

Human eyes don't respond equally to all colors. Hioki's silicon photodiode sensor is compliant with JIS C 1609-1 General Class AA and DIN 5032-7 Class B — recognised standards for matching a meter's spectral response to human perception, not just raw light intensity.

3. On-Board Memory for Multi-Point Surveys

Store up to 99 readings directly on the instrument during a facility walk-through, then review or transfer them afterward — useful for multi-point compliance surveys without re-measuring.

4. Timer Hold for Remote or Awkward Measurement Points

Timer hold lets you trigger a measurement and step back, avoiding your own shadow or reflection affecting the reading — useful for hard-to-reach or sensitive measurement points.

5. Handheld & Portable Design

Test entire facilities quickly. Move from room to room, warehouse, or outdoor areas. Lightweight enough to use all day without fatigue.

Popular Hioki Lux Meter Models

Simple to advanced light measurement:

Model	Range	Memory	Best For	Bluetooth
FT3424	20-200,000 lux (5 ranges)	99 readings	Standard illuminance surveys and lighting checks	No
FT3425	20-200,000 lux (5 ranges)	99 readings	Surveys where wireless recording speeds up reporting	Yes (GENNECT Cross app)

Lux Measurement Applications in Indian Industry

Proper lighting is essential for these applications:

Office & Workplace Lighting Compliance

Indian Building Code requires 300–750 lux depending on task. Measure to ensure compliance, employee safety, and productivity. Poor lighting causes eye strain and errors.

Manufacturing & Precision Work Areas

Precision assembly requires 750–1000 lux. Inadequate lighting causes defects and safety issues. Regular verification ensures quality and worker protection.

Warehouse & Storage Area Audits

Warehouses need 200–500 lux. Measure to verify safety, identify dark areas needing lighting, and optimize LED conversions for maximum energy savings.

Retail & Display Lighting Design

Proper lighting increases sales and customer comfort. Measure display areas (1000+ lux), walkways (300–500 lux), and checkout areas separately to optimize layouts.

LED Lighting Retrofit Commissioning

Convert old fluorescent/incandescent to LEDs? Measure before and after to verify new LED lighting meets code and provides adequate illumination throughout the space.

Hospital & Healthcare Facility Lighting

Hospitals have extreme lighting requirements (operating room 500,000 lux, patient rooms 150 lux). Measurement ensures patient safety and staff performance.

Frequently Asked Questions

What is the difference between lux and lumens?

Lumens measure the total light output from a source. Lux measures light per unit area (lumens per square metre) falling on a surface. A 1000-lumen bulb might produce 100 lux at 1 metre distance. Use lux for measuring workplace lighting levels.

What lux levels are required in Indian offices?

General office work: 300-500 lux. Computer work: 300-500 lux. Conference rooms: 300-500 lux. Corridors: 50-100 lux. Stairways: 100-200 lux. Refer to IS 13623 for complete requirements.

Can natural daylight replace artificial lighting in offices?

Daylight is variable (6am vs 3pm) so offices still need artificial lighting to maintain consistent levels throughout the day. Combining daylighting with LED systems supports both comfort and energy efficiency.

Why does my lux meter give different readings for LED vs fluorescent light at the same apparent brightness?

Different light sources have different spectral compositions, and no sensor responds to every wavelength exactly like the human eye does. Hioki's FT3424/FT3425 sensors are compliant with JIS C 1609-1 Class AA and DIN 5032-7 Class B, which specifically standardise this human-eye-matched response for reliable measurement across different light source types, including LED and OLED.

How often should I measure workplace lighting?

Initial design: measure before finalising fixtures. After an LED retrofit: verify the new lighting meets code. Ongoing maintenance: annually, or after lamp replacement, to catch gradual degradation.

Is my workplace lighting causing productivity problems?

Common issues: too dim (under roughly 300 lux for office work) causes eye strain; too bright or poorly diffused causes glare; uneven lighting creates shadows. Measurement at multiple points identifies where the problem actually is.

Can I use a smartphone light meter instead of a professional meter?

Smartphone apps are rough estimates only, often off by a large margin since phone camera sensors aren't calibrated or spectrally corrected for illuminance measurement. A professional meter like the FT3424/FT3425 (rated to JIS Class AA / DIN Class B, ±2% linearity) is necessary for compliance verification and lighting design work.

Buy Hioki Lux Meters in India

Industrial Supply Syndicate is an authorized independent reseller of Hioki lux meters in India. We stock the complete range and ship pan India with GST invoice. For bulk orders, institutional procurement, and tender requirements, please contact us for special pricing.