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DP-1VR
Mitutoyo DP-1VR User Manual
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- 46 -
CALCULA
TION METHOD
SAMPLE SIZE n
A2
D3
D4
2
1.880
3.267
3
1.023
2.574
4
0.729
2.282
5
0.577
2.1
14
6
0.483
2.004
7
0.419
0.076
1.924
8
0.373
0.136
1.864
9
0.337
0.184
1.816
10
0.308
0.223
1.777
X =
Σ
Xi/ N
R = Xmax - Xmin
X =
Σ
Xi/ n
X - UCL = X - A2
N
R
R =
Σ
Ri/ n
R - UCL = D4
N
R
R - UCL = D3
N
R *1
Sign
Meaning
Form
ula
X
R
X
X-UCL
R
R-UCL
R-LCL
Mean value of subgroup
Range of subgroup
Center value
Upper control limit
Center (R control)
Upper control limit
(R control)
Lower control limit
(R control)
4.2
Calculation Mode3
N :
Data count
MAX:
Maximum value of data
MIN:
Minimum value of data
n :
Number of subgroup
A2 :
Refer to table
D3 :
Refer to table
D4 :
Refer to table
Maximum number
of data in each subgroup is 10
Ta
b
le 3 Mode3 tab
le of v
ariab
les
ADDITION
*1 R-L
CL is not printed, when the number of samples is less than 6
53
55
Table of Contents
Default Chapter
7
Table of Contents
7
Outline
9
Introduction
9
Features
9
Set up
11
Power Supply
11
Setting the Battery
11
Connection of the AC Adapter
13
Set of Recording Paper
14
Connection of the Measuring Tool
15
Other Connection
16
Attachment of Strap
16
Footswitch
17
RS-232C Cable • GO±NG Judgement Cable
17
Parameter
18
In the Case of Connecting Caliper Micrometer
18
In the Case of Printout of RS232C Linearscale Output
20
Example of Parameters Setting
23
Parameter Setting Procedure
23
Summary of Functions
27
Key Functions
27
Function of each Mode
28
Timer Input Function
29
Operation
30
Power ON/OFF
30
Basic Operation 1
31
Data Input, Cancel, Clear
31
Basic Operation 2
33
Input of Tolerance Limit Data
33
Confirmation/Renew of Limit Data
35
Release of Limit Data
36
Data Input, Cancel, Clear
37
Mode 3
40
Print RS232C of Counter
42
Other Notices
44
Maintenance
45
Clean Printer Head
45
Clean Paper Sensor
45
Error Message
47
Alarms Concerning Electric Power
47
Other Alarms
48
Calculation Method
50
Significant Figure
50
Overflow and Calculation Tolerance
51
Calculation Tolerance Detail
52
Calculation Formula
53
Calculation of Mode1, Mode2
53
Calculation Mode3
54
Output
55
Output of GO/±NG Judgment Result
55
Output in Accordance with RS-232C Format
55
Communication Specifications
56
Data Format
56
Error Code
57
Data Request Command
57
Troubleshooting
58
Specifications
60
Service Network
62
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Mitutoyo DP-1VR Specifications
General
Brand
Mitutoyo
Model
DP-1VR
Category
Computer Hardware
Language
English
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