-
E-mail
1909770977@qq.com
- Phone
-
Address
No. 55 Gulang Road, Putuo District, Shanghai
Dongguan Huayi Instrument Technology Co., Ltd
1909770977@qq.com
No. 55 Gulang Road, Putuo District, Shanghai
Features:
|
·Designed for easy testing of 220V sockets |
·Concise and intuitive testing |
·Clear display of socket circuit status:correct |
Lack of ground wire |
||||
|
Connect the ground wire and live wire in reverse |
Reverse the connection between the neutral wire and the live wire |
Missing zero line |
|
technical indicators |
insert |
Fault condition |
|
|
LED |
Lamp display status |
buzzer |
N |
E |
L |
LED1 |
LED2 |
|
LED3 |
N |
E |
L |
correct |
green |
green |
extinguish |
|
yowl |
E |
N |
L |
Exchange of ground wire and neutral wire |
green |
green |
extinguish |
|
yowl |
X |
E |
L |
Missing zero line |
extinguish |
green |
extinguish |
|
Intermittent chirping |
X |
L |
E |
Missing zero line |
extinguish |
green |
extinguish |
|
Intermittent chirping |
X |
N |
L |
Missing zero line |
extinguish |
green |
extinguish |
|
Intermittent chirping |
X |
L |
N |
Missing zero line |
extinguish |
green |
extinguish |
|
Intermittent chirping |
N |
X |
L |
Lack of ground wire |
green |
extinguish |
extinguish |
|
Intermittent chirping |
L |
X |
N |
Lack of ground wire |
green |
extinguish |
extinguish |
|
Intermittent chirping |
E |
X |
L |
Lack of ground wire |
green |
extinguish |
extinguish |
|
Intermittent chirping |
L |
X |
E |
Lack of ground wire |
green |
extinguish |
extinguish |
|
Intermittent chirping |
E |
L |
X |
Wrong live wire connection |
green |
green |
red |
|
Intermittent chirping |
L |
E |
X |
Wrong live wire connection |
green |
green |
red |
|
Intermittent chirping |
N |
L |
X |
Wrong live wire connection |
green |
green |
red |
|
Intermittent chirping |
L |
N |
X |
Wrong live wire connection |
green |
green |
red |
|
Intermittent chirping |
N |
L |
E |
The live wire and the ground wire are connected in reverse |
extinguish |
green |
red |
|
Intermittent chirping |
E |
L |
N |
The live wire and the ground wire are connected in reverse |
extinguish |
green |
red |
|
Intermittent chirping |
L |
E |
N |
Connect the live wire and neutral wire in reverse |
green |
extinguish |
red |
Intermittent chirping