Contents
Safety Summary ........................................................................................................................................................ 2
Safety Summary ........................................................................................................................................................ 3
CERTIFICATION, LIMITED WARRANTY, & LIMITATION OF LIABILITY ..................................................... 4
Contents ..................................................................................................................................................................... 5
Figure Contents.......................................................................................................................................................... 7
Table Contents ........................................................................................................................................................... 7
1.
Unpacking and Preparation ................................................................................................................................ 8
1.1
Incoming Inspection .......................................................................................................................... 8
1.2
Setting up Fuse .................................................................................................................................. 8
1.3
Environmental Requirements ............................................................................................................ 9
1.4
Cleaning ............................................................................................................................................. 9
1.5
How to Remove the Handle ............................................................................................................... 9
2.
Overview .......................................................................................................................................................... 11
2.1
Introduction....................................................................................................................................... 11
2.2
Functional Comparison ..................................................................................................................... 11
2.3
Main Specifications and Features ..................................................................................................... 11
3.
Start up ............................................................................................................................................................. 13
3.1
Front panel ....................................................................................................................................... 13
3.2
Real panel ........................................................................................................................................ 14
3.3
Keypad I .......................................................................................................................................... 14
3.4
VFD ................................................................................................................................................. 15
3.5
Power On/Off ................................................................................................................................... 16
3.5.1
Warm-up Time ......................................................................................................................... 16
4.
Configuration ................................................................................................................................................... 17
4.1
Connect to Device under Test (DUT) .............................................................................................. 17
4.2
Setting the Measurement Range ...................................................................................................... 17
4.3
Setting the Sampling Rate ................................................................................................................ 18
4.4
Short Clear Zero Correction ............................................................................................................ 18
4.5
Choose Measure Parameter
（
AT520
）
........................................................................................... 18
4.6
Relative value .................................................................................................................................. 19
4.7
Voltage Limiter ................................................................................................................................ 19
4.8
Set beep ON/OFF ............................................................................................................................ 19
4.9
Deviation Display Mode .................................................................................................................. 19
4.10
Lock out the keypad ......................................................................................................................... 20
5.
Comparator ...................................................................................................................................................... 21
5.1
Turn ON/OFF the Comparator ......................................................................................................... 21
5.2
Setup the record number and comparator ........................................................................................ 21
5.3
Setup Beeper .................................................................................................................................... 21
5.4
How the comparator work ............................................................................................................... 22
6.
Handler Interface (AT520) ............................................................................................................................... 23
6.1
Pin Assignment ................................................................................................................................ 23
6.2
Connection method .......................................................................................................................... 24
6.3
Power Rating ................................................................................................................................... 24
6.4
Electrical Characteristics ................................................................................................................. 25
6.4.1
Input Signal: ............................................................................................................................. 25
6.4.2
Output Signal: .......................................................................................................................... 25
6.4.3
Power supply ........................................................................................................................... 25
6.5
Timing Chart .................................................................................................................................... 25
7.
Remote Control ................................................................................................................................................ 27
7.1
About RS-232C ............................................................................................................................... 27
7.2
Enable RS-232C Interface and select baud rate ............................................................................... 27
7.3
SCPI Language ................................................................................................................................ 28
8.
Command Reference ....................................................................................................................................... 29
8.1
Terminator ........................................................................................................................................ 29
8.2
Notation Conventions and Definitions ............................................................................................. 29
8.3
Command Structure ......................................................................................................................... 29
8.4
Header and Parameters .................................................................................................................... 31
