Customization: | Available |
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Customized: | Customized |
Certification: | CE, FDA, EEC, ISO13485 |
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Handheld Auto Refractometer
1.Non-contact and non-invasive
The light power is safe for eyes; The distance between the instrument and the eyes is 35 cm (14inches)
2. Child-friendly
Little coopertion is required, suitable for infants and those who have a language barrier.
Optic Parameter
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Mode
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Infant mode
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Adult mode
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Myopia mode (HAR880 only)
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Sphere range
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-6.0D to +8.0D
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-6.0D to +8.0D
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-9.0 to +2.OD
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Sphere intervals
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0.25D/0.1D
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0.25D/0.1D
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0.25D/0.1D
|
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Sphere tolerence
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±0.5D
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±0.5D
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±0.5D
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Cylinder range
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-3.0D to +3.0D
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-3.0D to +3.0D
|
-3.0D to +3.0D
|
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Cylinder intervals
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0.25D/0.1D
|
0.25D/0.1D
|
0.25D/0.1D
|
||
Cylinder tolerence
|
±0.5D
|
±0.5D
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±0.5D
|
||
Axis of astigmatism range
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1° to 180°
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1° to 180°
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1° to 180°
|
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Axis of astigmatism intervals
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1°
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1°
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1°
|
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Axis of astigmatism tolerence
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0.25D to 1.00D
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±10°
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±10°
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±10°
|
|
1.25D to 3.00D
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±5°
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±5°
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±5°
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Function Parameter
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Working distance
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Adult/infant mode
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335 ± 10mm
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Confidence level
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10
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Myopia mode(HAR-880 only)
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268 ± 10mm
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Output of the laser radiation
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150 to 200μW
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Wavelength
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850 ± 20nm
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Data acquisition time
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2s/eye
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Battery voltage
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D.c.11.1V
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Distance measurement
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Automatic, with audible and visual hint
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Battery life
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More than 6 hours of continuous usage
|
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Low- Battery warning
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Indicates 15 minutes us age remains
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1. Who are we?
Hangzhou Blackstone biotech Co., Ltd was Established In 2015, And Is A Professional Manufacturer Engaged In The Research, Development, Production, Sale And Service Of IVD, Medical Consumables and Medical Equipment .
2. How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.What can you buy from us?
X-Ray Machine, Autoclave, Ultrasound, Oximeterf, Catheters, Medical Dressing, ECG paper, Medical Dressing and Bandage,Injection and Infusion Products,Breathing and Anaesthesia,Medical Protection Products,Laboratory Products,Home Use Products.When cooperating with Blackstone, our customers can obtain a series of value-added services globally.
4. Why should you buy from us not from other suppliers?
Blackstone is the largest professional medical & health products exporter in Zhejiang, China. We provide a widely range of medical, health scientific, first aid and laboratory products and services to customers in more than 130 countries with CE and ISO certificate.
5.How about our team?
Our work team is made up of top talents from health care, Internet, trade, engineers and all kinds of fields. Every year, we Join Medica, Arab Health, Medlab and other 7-8 Professional exhibitions over the world. We welcome you to visit our office and manufacturers, or meet us at different exhibitions.