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peiqing JS-2012 Gel imaging analysis system
Product Catalog:Ordinary gel


Photos at first 10 seconds with a gel autofocus (Auto Focus) gel imaging analysis system. Filming just pull a box on the gel taken 10 seconds with the brightness of the photo, contrast, automatic focus and exposure time, and then clicking of the button is just done gel photo shoot.


Gel image analyzing system(Auto Focus within 8 seconds and an initiative domestically)
         Company develop Gel image analyzing system (auto-focus within 8 seconds and an initiative domestically) within one year, and this system solve the problem that image is not clear due to the brightness, contrast and focus set accurately. What you need to do is just draw a rectangular box to cover the target object on the preview screen, and the system will calculate brightness, contrast, focus and exposure time. Then you just click “CAPTURE” button to finish the job.


AF(Auto-Focus) is the principle of the reflection of objects, the reflected light is accept by camera CCD sensor. Through computer processing, electric drive will focus on the object, it called auto focus. It points into two classes: one is active mode, the other is inactive mode.


1.     Active mode: infrared generator or ultrasonic generator on CCD send out infrared light or ultrasound to target object. The receiver on CCD accept the reflected infrared light or ultrasound and to focus. The optical principle of similar triangle range focusing method, this method widely used in all kinds of head-up framing camera. Active mode is hard to focus correctly upon bevel and glossy surface, also it hard to focus correctly upon high brightness or long distance object due to light is reflected to other direction or it can not arrive to target object. Active mode can focus correctly in the condition of low contrast or poor brightness due to camera can send out light or wave, even for slim or moving object. The shortcoming is hard to focus correctly when target object can absorb light or wave, or blocked by glass between CCD and target object.

2.     Inactive Mode: auto focus according to analyze the light origin from target object. The advantage is that CCD does not send out any light or wave. As long as the target object can launch the light, it can focus correctly, even against the light or high brightness in the remote distance. The shortcoming is hard to focus correctly upon slim object or low contrast and weak brightness scenario. Also it hard to focus correctly upon polarized light, black body or mirror surface. Each in his own way has made an important contribution, and peiqing Gel image analyzing system (auto-focus) have two complementary types of auto-focus mode.


Peiqing JS-2012 auto-focus Gel Image Analyzing System

CCDPQ-P510Z digital professional low illumination integral CCD

Sensitivity: >= 0.01ng Nucleic acid

 Pixel: 2592x1944 (500M)

Lens: Japanese Computar AF lens, F=1:1.2, 12.5 – 75mm, can zoom in the size of gel

A/D conver: 16bit (0-65535)

Bin: 1x1, 2x2, 3x3, 4x4

Pixel size (H×V) : 5.4um×5.4um

SNR: >= 60db

Focus mode: AF(auto-brightness, contrast, and exposure time)

Shutter control: electronic shutter

Exposure time: 4ms – 60 minutes, can multi-capture and save all images, has function of image correction

Transmission interface: USB2.0

Tapping device: special tapping device

Filter: 590nm EB/SYBR Green, BP

Box controller: can adjust focal length, aperture, UV and Reflector lamp

Computer controller: can adjust focal length, black box, power, UV, white light, aperture, zoom and focal length

Timing off: can set timer(0-1 hour), prolong the life of UV light and uviolglass

Open door way: swing door and drawer-style

UV transmission stage: transmission wavelength: 302nm(254nm, 365nm is optional), size: 20cm x 25cm(customizable)

White light reflection: luminescence, 12v

White light transmission stage: luminescence, 12v, drawer-style platform, size 20cm x 25 cm(customizable)

Enterprise certification: “Shanghai high and new tech enterprises”, third prize in “Shanghai science and technology awards”

Software: SensiAnsys, professional image collection and analysis system

Size: 50cm x 37cm x 82cm

Application: DNA/RNA gel, protein gel, Northern blot, ELISA PLATE, thin layer chromatography and culture vessel


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