3Axis Digital Readout DRO Display 5µm Linear Scale 6+12+22 inch Kit CNC Milling
Benefit :
(1)Digital display to eliminate backlash and improve precision
(2)Advanced trigonometric calculation so to accomplish a perfect project
(3)11.6”wide display to offer excellent long-distance viewing
(4)DRO providing a two axis display with pitch circle calculator, diameter/radius conversion, absolute and incremental toggle, and inch metric toggle
(5)Digital readout kit can avoid wasting weeks to check machine precision
(6)Lifetime free technical support, 2Years warranty, 30-day return
Application : This DRO kit is commonly fitted to machines , especially for metal working — lathes, cylindrical grinders, milling machines, surface grinders, boring mills and other machine tools — to allow the operator to work faster and with greater accuracy. Use of DROs is not limited to manually operated machines. CNC machines can usually be switched to manual operation, and in this case a form of DRO is simulated on its control panel.
Features :
Supply Voltage range: AC 80V~220V; 50~60Hz
Power consumption: 15VA
Operating temperatur: 0~45 degree centigrade
Storage temperatur: -30~70 degree centigrade
Relative humidit: Less than 90%
Readout allowable input signal: TTL square wave
Allowable input signal frequency: Less than 5M Hz
Max resolution of digital display length : 5µm (0.005mm/0.0002")
Min resolution of digital display angle : 0.0001/pulse
Cable length: 3-meter
Dimensions: 283*178*70mm (11.2"*7"*2.8")
Linear Scale communicate: DB9(RS232)
Display language: English
Backup data for power fail: power off Memory by E2PROM for ten years
Lifetime: five million times
Package Included :
3pc Linear scale 150mm+250mm+550mm (Travel Length 6" & 10" & 22" )
1pc 3Axis digital read out with holder and mount bracket
3pc Mounting base for scales
3pc Protective cover for scals
some screws for scales
1pc English User Manual
Note: Due to the shipping limits, the Digital Readout will be shipped via two packages, if you just received one of them , please be a little patient , the other one must be still on the way to you , you can also contact customer service to get the updates , thank you for understanding . 
Questions & Answers :
Q1 : are the length 150mm, 250mm,550mm travel length or total ?
Answer :all are travel length
Q2 : what does the dro measure to ?
Answer : measure to 0.005mm , 0.0002inch （1inch=25.4mm）
Q3 : Can i cut the scales by myself ?
Answer : Technically NO, it maybe unavailable after cutting.
Q4: Do you have English user manual ?
Answer : yes, it comes with the dro box .
Q5: Do you have other cheaper types , such as measure to 0.001mm?
Answer : Yes , 0.001mm (0.0001") is available , please just contact us .
Q6: Is it easy to mount these scales and dro ?
Answer : Yes , it's easy , please contact the seller to get the mounting video ， also, you can find the video on YouTube
Q7: if i only buy scales without dro, can i use it directly on my machine ?
Answer : Please must check the scale pin definition (1,2,3,4,5,6,7,8,9), which is very important !!!
Q8: How to switch between milling machine lathe grinding machines
Answer : we can send you the video instruction, please just contact us .
Q9 : How long warranty do you offer for this kind dro ?
Answer : We offer TWO Years warranty .
Positive feedback is very important to us. We sincerely request that you contact us immediately before you give us neutral 
or negative 
feedback, so that we can satisfactorily solve your concerns.
