• JingGong Optical (Wenzhou International Trade SCM Co., Ltd.)
    Adrian, Optical Distributor
    Lucky to met with JingGong Optical team at MIDO in Milano, now all items we are selling are imported from them, excellent team and works.
  • JingGong Optical (Wenzhou International Trade SCM Co., Ltd.)
    I tried JingGong auto refractor at Hong Kong optical fair, I decided to use their equipment for my second store, until now all my 10 shops over Albania are using JingGong Optical only, even for small parts they can give me great quality in a reasonable price.
  • JingGong Optical (Wenzhou International Trade SCM Co., Ltd.)
    I tried more than 10 suppliers for our optical instruments business but JingGong is the best, they can provide the real professional answers to solve our problems, recommended supplier!
Contact Person : Jessica
Phone Number : 86-13506517907
WhatsApp : +8613506517907

7 Inch Color TFT Touch LCD Optical Refractometer Wireless System Via Bluetooth GRK8911

Place of Origin China
Certification CE, FDA
Model Number GRK8911
Minimum Order Quantity 1pcs
Price Negotiable
Delivery Time 10-20 work days
Payment Terms L/C, T/T, Western Union
Supply Ability 100pcs/month

Contact me for free samples and coupons.

WhatsApp:0086 18588475571

Wechat: 0086 18588475571

Skype: sales10@aixton.com

If you have any concern, we provide 24-hour online help.

Product Details
RMK-700 GRK8911 With Keratometer Screen 7 Inch TFT LCD
SPH -20D~+20D Radius Of Curvature 5.0~10.2mm
Printer Thernal Printer Saving Settings 3, 5, 10 Minutes
High Light

ophthalmic autorefractor


auto refractometer keratometer

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Product Description


Optical Refractometer 7 inch color TFT Touch LCD with keratometer Wireless system via Bluetooth GRK8911​


1. 7 inch color TFT Touch LCD : Clearer and wider Graphic User Interface(GUI)
2. Convenient function for LCD monitor : 20° tilting monitor display for user convenience
3.  Automatic cutting printer paper with high speed for user convenience
4. Enhanced measurement speed : Through specially designed image chips, speed improvement for REF measurement and more accurate measurement data
5. Convenient Lock Knob : Easy-to-use Lock function only using knob for user convenience
6. Measurement for Iris and Pupils diameters : By function of image capture, user can easily measure Iris and Pupils diameters.
7. Function of temperature compensation : Regardless of inner temperature, function of temperature compensation supports highly accurate measurement data.
8. Electric powered Chinrest
9. Wireless system via Bluetooth : It allows perfect data transmission with UDR-800 and ULM-800 regardless of working environment.


Technical parameter  
Measurement mode

Cornea/refractometry measurement mode,keratometry/refractometry,Mode of keratometry,refractometry;

refractometry measurement mode,keratometry ,CLBC mode,substrate curvature of contact lens


Vertex distance 0,10,12,13.5,15mm
Spherical degree -25.00~+22.00D(VD=12mm, 0.12or0.25D)
Cylinder degree 0.00~+/-10.00D(0.12 or 0.25)
Axial 1~180°(step 1°)
Cylinder symbol -,+,+/-
Pupil distance 10~85mm
Minimum pupil diameter ¢2.0mm
Measuring time 0.07sec
Radius of curvature 5.0~10.2mm
Corneal refractometry 33.00~67.50D
Corneal astigmatism 0.00~-15.00D (0.05/0.12/0.25D)
Corneal diameter 2.0~14.0mm
Printer Thermal printer
Saving settings 3,5,10 minutes
Monitors 5.6inch of TFT monitors
Power AC100~240V.50/60HZ/90W
Product Size/weight 248L×476W×475H(mm)/ 21kg
Package size: 680Lx650Wx470H(mm)
Jaw panel Max 55mm
Data output Rs-232interface , video output


7 Inch Color TFT Touch LCD Optical Refractometer Wireless System Via Bluetooth GRK8911 0


7 Inch Color TFT Touch LCD Optical Refractometer Wireless System Via Bluetooth GRK8911 1



Product & Service


  • Ophthalmic Instruments: Auto Refractometer, Phoropter, Auto Projector, PD Meter, Trial Lens Set, LCD Vision Chart, Ophthalmic Unit, Ophthalmic Motorized Table, Ophthalmoscope, Retinoscope etc;
  • Lens Testing Device: Auto Lensmeter, UV Tester, Blue Blocking Lens Tester, Stress Tester etc;
  • Lens Lab Instruments: Auto Lens Edger, Hand Lens Edger, Groover, Lens Driller, Ultrasonic Cleaner, Frame Warmer, Pliers & Screwdrivers etc;
  • Accessories: Lens Blocking Pads, Interliner etc.

Trade Conditions:

  • Payment: TT, Western Union, L/C, Paypal;
  • Lead Time: 7 - 14 working days to finish order;
  • Warranty: 1 Year;
  • Standard: ISO, CE, FDA
  • After Sale Service: Lifelong.

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.

7 Inch Color TFT Touch LCD Optical Refractometer Wireless System Via Bluetooth GRK8911 2