Page Shows 1 - 10 Of : 9 Ads  01           Middle and High Alumina Balls Bricks   Al2O3:68~72%, 92%, 95%. Grinding balls normal size: D2mm ~ D70mmThe grinding medium and lining bricks are used a lot in the ceramic and mineral industry etc.     a-feng1314       Hits : 22 Date 24/08/2009 18:44:07  Featured Products :         optical lenses - optical glasses   We supply optical lenses,optical glasses.We supply optical lens for optical instrument.Main optical lenses include optical cylindrical lens,optical spherical lens,optical aspherical lens,optical prism,optical filter lens,optical grating,optical windows,optical mirror,optical components,camera lens,fisheye lens,wide angle lens,telephoto lens,projector lens,adapter ring,adapter tube,custom lens,OEM etc..Specification of our optical lens as follow:*Material BK7 or other optical materials *Dimension Tolerance +0.0 -- -0.1mm *Center Thickness +/-0.1mm *Focal Length Tolerance+/-1%*Surface Quality:20/10 *Surface Figure lambda/2 at 633nm on plano side *Clear Aperture >90%*Chamfer 0.25mm at 45 degree typical *Coating Optional     chinaoptics       Hits : 36 Date 26/05/2009 23:25:30         cylindrical lens   Plano-convex cylindrical lens,plano-concave cylindrical lens,bi-convex cylindrical lens,bi-concave cylindrical lens,meniscus We supply optical cylindrical lens.cylindrical lens,long cylindrical lens,special cylindrical lens etc..Specifiction of our cylinderical lens as follow:*Material BK7 or other optical materials *Dimension Tolerance +0.0 -- -0.1mm *Center Thickness +/-0.1mm *Focal Length Tolerance+/-1%*Surface Quality:20/10 *Surface Figure lambda/2 at 633nm on plano side *Clear Aperture >90%*Chamfer 0.25mm at 45 degree typical *Coating Optional     chinaoptics       Hits : 32 Date 26/05/2009 23:00:16         Pen Shape Camera   Pen Shape Camera (VS-PD8004)Item: VS-PD8004Quantity: 10000set/monthPacking: boxes/setMin order: 10setsample: availablePlace of origin: ChinaCertification: ROHS,CE,FCFeatures:(VS-PD8004)1.Real time Date and Time Stamping2.Build in Microphone3.Normal size pen with Hand writing function4.Build in lithium battery5.Support operating system WIN2000、WIN XP6.High speed USB2.0 interface7.Portable U-disk function, no need driver8.Support Firmware UpgradeSpecification:Item: VS-PD8004Dimension: 150mm*15mm*15mmWeight: 30gVideo Format: AVI 640*480/352*288File size: 500Kb/minCharging Connect:USB cable charge or insert into the computer charging,                 Build-in Lithium BatteryGSM/GPRS module: Simcom Sim340 or Simcom Sim300Charging time: 1.5hourUseing time: 2hoursCamera: 2,000,000pixel     hengweicn       Hits : 41 Date 21/05/2009 01:23:20         Number Plate Capture Camera   Automatic Number Plate Recognition CameraItem: VS-C4512BQuantity: 10000set/monthPacking: boxes/setMin order: 10setsample: availablePlace of origin: ChinaCertification: ROHS,CE,FCFeatures:1. 550TVL, 1/3"Hi-resolution color Sony CCD 2. 16mm IR lens, no focus shift under IR light 3. Separate glass: no IR diffusion and fog 4. Viewing angle: diagonal: 21°/ horizontal: 17°/ vertical: 13° 5. Available IR distance: 4~10M 6. Designed for Toll Gate and Parking Barrier Notice: Non-regulative adapter may cause camera damaged.Specification:Item:  VS-C4512BIP rating:   IP66  Filter:  Removable IR Cut Filter Image Sensor:  1/3" Hi-resolution color Sony CCD Pixels:   NTSC:811(H)×508(V) PAL:795(H)×596(V) Horizontal Resolution:  550TVL  IR LED:  12PCs High Power IR LED Vertical frequency:   NTSC:60Hz PAL:50Hz Horizontal Frequency:   NTSC:15.734KHz PAL:15.625KHz Clock Frequency:   NTSC:28.636MHz PAL:28.375MHz Scanning System:   2:1 Interlace  S / N Ratio:   ≥52dB Electronic Shutter:   NTSC:1/60-1/100,000s PAL:1/50-1/100,000s White Balance:   Auto Tracking  Back Light Compensation:   ON Auto Gain Control:   ON Gamma:  0.45 Video Output:   1V p-p,75ohmLens:  16mm IR Lens  Viewing Angle:  Diagonal: 21° / Horizontal: 17° / Vertical: 13° Power Supply:   DC12V±10%/AC24V±10% Current Consumption:  DC340mA/AC280mA Available IR Distance:  4~10M Dimension:  175×100×95mm Weight:  900g Storage Temperature:   -30～+60℃ Operating Temperature:  -30～+40℃     hengweicn       Hits : 33 Date 21/05/2009 01:20:45         License Plate Capture Camera   Automatic Number Plate Recognition CameraFeatures:1. 550TVL, 1/3"Hi-resolution color Sony CCD 2. 10~40mm Vari-focal auto iris lens 3. Separate glass: no IR diffusion and fog 4. Viewing angle: horizontal:33°~5° 5. Available IR distance: 5~30M 6. Designed for traffic surveillance 7. Clearly capture the number plate when car speed is 180km/h Notice: Non-regulative adapter may cause camera damaged.Specification:Item: VS-C5581IP rating: IP66 Filter: Removable IR Cut Filter Image Sensor: 1/3" Hi-resolution color Sony CCD Pixels: NTSC:811 (H) ×508 (V) PAL:795 (H) ×596 (V) Horizontal Resolution: 550TVL  IR LED: 66PCs Special IR LED Vertical frequency: NTSC:60Hz PAL:50Hz Horizontal Frequency: NTSC:15.734KHz PAL:15.625KHz Clock Frequency: NTSC:28.636MHz PAL:28.375MHz Scanning System: 2:1 Interlace  S / N Ratio: ≥52dB Electronic Shutter: NTSC:1/60-1/100,000s PAL:1/50-1/100,000s White Balance: Auto Tracking  Back Light Compensation: ON Auto Gain Control: ON Gamma: 0.45 Video Output: 1V p-p,75ohmLens: 10~40mm Vari-focal Auto Iris Lens Viewing Angle: Horizontal: 33°~5° Power Supply: DC12V±10%/AC24V±10% Current Consumption: 1270mA Available IR Distance: 5~30M Dimension: 370×142×110mm Weight: 1740g Storage Temperature: -30～+60℃ Operating Temperature: -30～+40℃     hengweicn       Hits : 40 Date 20/05/2009 20:41:34         Watch spy camera   1)Photography recording function（300K pixels）2)Camcorder pixels: 640*480；Format：AVI3)Memory：1GB/2GB/4GB/8GB (optional)4)Built-in Li-battery, continuous photographing for about 2 hours5)Japan quartz movement6)No driver installation is needed if the operating system is Windows ME/ 2000/ XP/ Mac OS 9.2.2 or above (windows98 is excepted)     usbchina       Hits : 40 Date 12/05/2009 03:18:20         Sunglass Hidden camera DVR   Feature:1)Quality Polaroid Lens from brand makers.2)1.3 mega pixels pinhole CMOS camera for clear digital recording.3)User friendly operation button for easy control. 4)Sleek and elegant design suits for both men and women users.5)A must equipment and highly recommended device for journalist, traffic police, travelers and etc.6)Easy connection with PC/Laptops, no driver needed.7)Built in 1G memory for as long as 2 hours video recording. 8)With extended memory slot for TF/Micro SD card.9)Real time recording, never let memorable moments sneak away from life.Specs 1)Power Supply: built-in 550mAh li-polymer battery.2)Power duration: 4-5 hours. 3)Power Adaptor: 5V DC/500 mAh.4)Support Built-in 1GB-8GB memory, support TF card Max 4GB.5)Camera hardware resolution: 1.3m pixels. 6)Reading Speed > 700kbs, write >500Kbs.7)Resolution: 640*480. 8)Playing Speed: 20fps. 9)Audio: Stereo. 10)Power Consumption: <0.4W. 11)Video Format:  3GP. 12)Card Slot: TF/Micro SD card. 13)Physical weight 39g with battery. 14)Working Temperature: 0 C - 60 C.15)Storage Computer: -20 C - 80 C. 16)Operating System: Win98,WinMe,WinXP,Win2000,Windows Vista. 17)Accessories: USB cable,User manual,AC Adaptor,Gift-box18)Color: Black19)Product dimensions:170*160*40mmInner Pack:18.8*10.5*8.5cm Master Pack:42.5*32*44.5cmCTN QTY :30PcsN.W: 10KGSG.W: 11KG     usbchina       Hits : 35 Date 12/05/2009 03:12:34         Curing oven   ELFI group is an expert in manufacturing and installing ovens for surface treatment purposes. Our ovens booth in box and continuous types can handle curing and drying functions needed for metal coating procedures The detachable steel cassettes on the outside of the oven make it easy to check and replace the insulation material. Service of the heating unit is solely and unimpeded carried out from the outside of the oven  The application of energy to the product to be cured can be accomplished by convection cure ovens or infrared cure ovens fFor more information contact us at www.elfigroup.com      tohid_elfi   ( Commercial Name: Elfi )     Hits : 87 Date 11/01/2009 04:04:41 Page Shows 1 - 10 Of : 9 Ads  01

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