₹148.00 Original price was: ₹148.00.₹123.50Current price is: ₹123.50.
Standard tool used to measure visual acuity during eye examinations
Consists of rows of capital letters (optotypes) that decrease in size from top to bottom
Used globally in clinics, hospitals, schools, and eye care centers for routine vision screening
Typically read from a standard distance of 6 meters (20 feet)
Helps identify refractive errors and monitor vision changes over time
Printed with high-contrast black letters on a white background for clear visibility
Durable, high-quality printing on non-reflective, matte-finish material to avoid glare
Can be wall-mounted or used on a stand for easy setup in examination rooms
Available in English and regional language variants
Format: Chart with lines of letters, starting with a large single letter at the top
Letter Type: Sans-serif, standardized optotypes (not standard alphabet fonts)
Distance: To be used at a standard distance of 6 meters (20 feet)
Visual Acuity Markings: Each line marked with corresponding Snellen fraction (e.g., 6/6, 6/9, 6/12, 6/18, 6/24, 6/36, 6/60, etc.)
Top Letter Size: Large enough to be seen by a person with 6/60 vision at 6 meters
Bottom Line Size: Small enough to correspond to 6/6 normal vision at 6 meters
Material: High-quality, non-reflective board or laminated plastic, or digitally printed on matte surface
Language: Usually in English letters, also be available in regional scripts or E-charts for non-literate patients
Dimensions: around 22 x 56 cm (vary slightly depending on format and design)
Measurement Method: Oscillometric manual inflation
Measurement Range:
– Systolic: 60 – 260 mmHg
– Diastolic: 40 – 199 mmHg
– Pulse Rate: 40 – 180 bpm
Accuracy:
– Pressure: ±3 mmHg
– Pulse: ±5%
Display Type: Large LCD with backlight
Cuff Size: 22 – 42 cm
Auto Power Off: After 1 minute of inactivity
Operating Temperature: 5°C – 40°C
Humidity Range: 15% – 85% RH non-condensing
Light Source: LED or Halogen
Color Temperature: Approx. 5500K – 6500K (cool white)
Illumination Intensity: Up to 40,000–100,000 lux
Weight: Typically under 400 grams
Operating Time: Depends on intensity setting
Spot Size: Adjustable
Material: High-grade plastic and metal components
Power Supply: AC adapter or battery pack
Usage Duration of Light Source: Up to 50,000 hours
Technical Specifications
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