ELECTRICAL SAFETY TESTER 
USER MANUAL 
 
 
 15 
 
19 SOURCE+ Terminal
(only for Ground 
Bond Test) 
High current terminal for Ground Bond test. 
20  Power Switch  Press the power switch to turn on the tester. 
21  SENSE+ Terminal  Voltage Terminal for Ground Bond test. 
22  SENSE- & Return 
Terminal 
SENSE- Terminal is a voltage terminal for 
Ground Bond test, and Return Terminal is for all 
test. 
23  Ground Terminal  Connect Ground terminal to the earth ground. 
24 Fuse Holder with 
Voltage Selector 
To change AC source voltage, 
ull the fuse holder 
and rotate it to the proper value. 
25  AC Inlet  Connect the AC power line to the inlet. 
26  Remote Interface  The remote interface performs all the functions of 
PLC control. 
27 RS232 Terminal  D-SUB 9 pin connector, Input/Output connector 
for RS232. 
28 GPIB Terminal  Blue 24 connector, Input/Output connector for 
IEE-488. 
29  Scanner Interface  D-sub 9 pins female connector for scanner box. 
30 
High Voltage Output 
on rear panel 
High voltage output terminal. 
31 
Sense + Terminal on 
rear panel 
Voltage terminal for Ground Bond test. 
32 
Source + Terminal 
on rear panel 
High current terminal for Ground Bond test. 
33 
Source - Terminal 
on rear panel 
High current terminal for Ground Bond test. 
34 
Sense - Terminal & 
Return Terminal on 
rear panel 
Sense - terminal is a voltage terminal for Ground 
Bond test, Return terminal is for all tests. 
*The instrument can be used together with scanner box of HSB-001-1 & 
HSB-001-2. 
*The Instrument can control one scanner box only.
 
ELECTRICAL SAFETY TESTER 
USER MANUAL 
 
 
 16
5. OPERATION METHOD 
5-1. Main Display LCD   
1 ~ 0 1 A C
WV=5
.000kV
*
R E A D Y 
I 
ax=0
1.00m
ATEST
:
000 . 0 s 
 
 
 
Table of parameters 
Storage 
Group/ Step:    There are total 10 groups, and each group has 16 
steps. 
The first number represents group while the second number 
represents step. 
Ex. 3:01 
  3 stands for group number, 01 stands for step number.     
The test mode of tester includes: 
ACW: AC Withstanding voltage test. 
DCW: DC Withstanding voltage test (only for GPT-715A/ 
GPI-735A/745A). 
I R : Insulation Resistance test (only for GPI-725A/GPI-735A 
/745A). 
G B : Ground Bond test (only for GPI-745A). 
C N T : Continuity Check test (only for GPT-705A/715A/ 
GPI-725A/735A) 
Mode 
The total types of mode will change for different model. 
Storage   Mode      Output Voltage/Current   ARC     Status 
Measurement Limit              Ramp/Test Time