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| Categories | Optical Refractometer | 
|---|---|
| Brand Name: | KESHILONG | 
| Model Number: | GRK8904 | 
| Certification: | CE, FDA | 
| Place of Origin: | China | 
| MOQ: | 1pc | 
| Price: | Negotiable | 
| Payment Terms: | L/C, T/T, Western Union, MoneyGram | 
| Supply Ability: | 300pcs/month | 
| Delivery Time: | 5-8 work days | 
| Measure Model 1: | refractometry | 
| Model 2: | keratometer | 
| Model 3: | Substrate curvature of contact lens | 
| Minimum pupil diameter: | 2.0 | 
| Measuring time: | 0.07sec | 
| Saving settings: | 3, 5, 10 minutes | 
| Monitors: | 5.7inch of TFT LCD monitors | 
| Printer: | Thermal printer | 
| Company Info. | 
| JingGong Optical (Wenzhou International Trade SCM Co., Ltd.) | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
Optical Refractometer ARK-800 Auto Refractometer with Keratometer 5.7inch TFT LCD Monitor
GRK8904
Feature:
1. The auto refractometers have the function of Quick measurement
for diopter of 2mm MIN.pupil size, Corneal Diameter
Measured MOR quickly because the Technology of Bile-in Micro
process and quick graphic process.
2. Quick measurement for diopter of MIN.pupil size.
3. New design of colorful sreen (5.7" TFT LCD).
4. Auto fog chart.
5. Pupil distance auto measured available
6. Choice for vertex distance.
7. Ability of auto-measurement after align and focus.
Specifications:
| Measurement mode | Cornea/ refractometry measurement mode | keratometry/refractometry | 
| Refractometry measurement mode | refractometry | |
| Mode of keratometry | keratometry | |
| Mode of CLBC | Substrate curvature of contact lens | |
| Refractometry | Vertex Distance | 0,12, 13.75mm | 
| Spherical degree | -20.00~+20.00D(VD=12mm 0.12or0.25D ) | |
| Cylinder degree | 0.00~+/-10.00D(0.12 or 0.25D) | |
| Axial | 1~180 °(step 1°) | |
| Cylinder Symbol | - ,+ ,+/- | |
| pupil distance | 10~80mm | |
| Minimum pupil diameter | Φ2.0mm | |
| Measuring time | 0.07sec | |
| Keratometry | Radius of curvature | 5.0 ~10. 2 MM | 
| Corneal refractometry | 33.00 ~ 67.50D | |
| Corneal astigmatism | 0.00 ~ -15.00D (0.05/0.12/0.25D ) | |
| Corneal diameter | 2.0 ~ 12.0 MM | |
| Others | printer | Thermal printer | 
| Saving Settings | 3 ,5 ,10 Minutes | |
| Monitors | 5.7 inch of TFT LCD monitors | |
| Power | AC 100 ~ 240V,50/60HZ/90W | |
| Size / Weight | 248(W ) × 476(D) × 475(H)mm/25kg | |
| Jaw panel | Max 55mm | |
| Data Output | Rs-232 interface ,Video output | 


Product & Service
Products:
Trade Conditions:
About Us
Since from 2005, JingGong Optical started searching made in China
optical instruments for optical wholesalers and chain stores, with
many years’ experience and investment in this field, Now JingGong
Optical is innovating, manufacturing & exporting a wide range of
ophthalmic instruments, eyewear laboratory equipment, lab tools &
accessories, if you are optical instruments wholesaler, optical
shop, eye care hospital or lens laboratory, you can have best
solutions from our instruments category.
In accordance with International & regional standards, JingGong
Optical products are following ISO, CE & FDA instructions, also has
warranty policy & maintenance service on each products, we are
always working with customers to improve products and technology.
Our Vision: We are not going to save the world, we are not going to
improve the eyesight of whole human being, but what we are
concentrating on, is to provide our customers and end-users a
precision, qualified, friendly-operated and lowest costed
ophthalmology instruments and lens laboratory instruments.We are
always hearing from our customers, to find every even small way to
improve our products and service.
Guarantee:We absolutely understand you are worrying about the
potential functional & quality problem of instruments you are
buying from us, don’t worry, we carry out 100% QC before shipping,
we also have guarantee for each product, buy from us means buy 100%
satisfaction.
Staff:The employees who working for us, are with good background in
optical industry, who was working in lens manufacturing, who was
working in production line of eyewear, even has registered
optometrist, our staff can think from different aspects instead of
only one side.
Contact Us
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