Huazheng HZ2321, Руководство пользователя

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2
-I
+ I
-V
+ V
Contact Resistance Tester
AC220V 10A
RESET TEST
PRINT
RESET
：
Select current or reset tester.
TEST
：
Start testing
PRINT
：
Print the result data.
AC 220V
：
AC220V power
（
Fuse 10A
）
：
Ground terminal
+I -I
：
Current terminal
+V -V
：
Voltage terminal
III.Instructions
3.1 Connect the AC 220V power and connect Earth with ground terminal of tester.
Connect the switch and instrument with the wire according to Figure 1. The test wire which
clamp terminal connect to tested switch, and insert terminal connect to +I
、
-I
、
+V
、
-V.
+I
、
-I are thick wires and +V
、
-V are thin wires.
+V
-V
-I
+I
Figure 1
Warnings: one of the switch terminals must be connected with the earth properly
before connecting the testing wire when the switch is in electric field environment