If you order 130mm travel length ,=1pcs linear scale 130mm you will get ,

2 Axis dro only= 2 Axis digital readout 1pcs in the parcel  

320mm Travel = 1pcs linear scale 320mm in the pacel 

...

Any question ,Pls contact with seller 

Basic Function:

1) Zeroing and Data Recovery

2)Value Inputting

3)Metric and Imperial Switching

4)Power off momory

5)Encoder Selection(Rotary or Linear)

6)Linear Compensation

7)Non-linear Compensation

8)Calculator Function

9)Counting Direction Setting

10)ABS/INC Coordinate

11)REF Centering

Special Functions:

1)PLD Function

2)PCD Function

3)Simple R Function

4)Smooth R Function

5)Radius/Diameter switching

6)Axis Summing

7)Digital Filtering Function

8)Taper Measuring Function

9)Rectangle Chambering Function

10)Rotational Speed Measurement

11)16 sets of Tool Memory

12)Dynamic Graphics

13)Preview Drawing

Technical Parameters:

1.Voltage Range:AC80V-260V/50HZ-60HZ

2.Power Dissipation:15W

3.Working Temperature:-10C°-60C°

4.Coordinate Display:2,3,4,5Axis

5.Operating Keypad:Mechanical Keypad

6.Input Signal:5VTTL/RS422

7.Input Frequency:≤4MHZ

8.Resolution:0.1um,0.2um,0.5um,1um,2um,2.5um,5um,10um,50um

DC10 Standard Linear Scale: