USD
EUR
GBP
CAD
AUD
CHF
HKD
JPY
RUB
BRL
CLP
NOK
DKK
SEK
KRW
ILS
MXN
CNY
SAR
SGD
NZD
ARS
INR
COP
AED
Home
Products
Residual Current Sensor
Flexible Rogowski coil
Split Core Current Transformer
Current Transformer
Three phase CT
High Voltage Current Transformer
Indoor current transformer
Outdoor current transformer
Indoor voltage transformer
Outdoor voltage transformer
Protection Current Transformer
Current transducer
Mini Current Transformer
Combined Current Transformer
Loading-Type Current transformer
Bus Bar-Type Current transformer
Pin-type Current Transformer
Current-Voltage Transformer
DC Immune CT
Voltage Power Transformer
Zero-Sequence Current Transformer
Special Current Transformer
Current Sensor
Closed Loop Hall Effect Current Sensor
DC leakage current sensor
Hall Effect Current Transmitter
Hall Effect Voltage Sensor & Transmitter
Open Loop Hall Effect Current Sensor
Shunt
Zero Sequence CT
Indicator meter
Transformer
Others
Digital Meter
digital current meter
COS meter
Power_meter
Energy meter
Combined meter
Multifunction meter
Frequency meter
digital voltage meter
Transducers
Insulator
SE Type
SM Type
ASM Type
AB Type
JYZ Type
JYZ Type
MNS Type
LY Type
C Type
CT Type
CJ/CB
EL Type
DL Type
C/GP/L
HC Type
PMJ Type
GCK Type
PMJ Type
PMJ-N Type
XP
ZMJ Type
SGR Type
AMJ Type
Inverter
Controller
Voltage Stabilizer
SBW/DBW Automatic compensated power voltage stabilizer
SBW-F Sub-tone automatic compensation power voltage stabilizer
SVR Automatic AC home voltage stabilizer
SVC/TND single-phase high-precision automatic AC voltage stabilizer
TSD wall-mounted automatic AC voltage regulator
SVC/TNS three-phase high-precision automatic AC voltage stabilizer
Meter Socket
Smart Circuit Breaker
Case
Case Example
Download
About Us
Contact Us
Contact Us
What is the difference between low voltage transformer and high voltage transformer?
Principle of voltage transformer
Are open-type current transformers good? What are the disadvantages of open-type current transformer
Are open-type current transformers good? What are the disadvantages of open-type current transforme
How to install current transformer?
How does a Hall current sensor work?
How to use Rogowski coil?
The difference between Rogowski coil and ordinary current transformer?
News
Company News
Industry News
Feedback
Search
Login
Home
Products
Residual Current Sensor
Flexible Rogowski coil
Split Core Current Transformer
Current Transformer
Three phase CT
High Voltage Current Transformer
Indoor current transformer
Outdoor current transformer
Indoor voltage transformer
Outdoor voltage transformer
Protection Current Transformer
Current transducer
Mini Current Transformer
Combined Current Transformer
Loading-Type Current transformer
Bus Bar-Type Current transformer
Pin-type Current Transformer
Current-Voltage Transformer
DC Immune CT
Voltage Power Transformer
Zero-Sequence Current Transformer
Special Current Transformer
Current Sensor
Closed Loop Hall Effect Current Sensor
DC leakage current sensor
Hall Effect Current Transmitter
Hall Effect Voltage Sensor & Transmitter
Open Loop Hall Effect Current Sensor
Shunt
Zero Sequence CT
Indicator meter
Transformer
Others
Digital Meter
digital current meter
COS meter
Power_meter
Energy meter
Combined meter
Multifunction meter
Frequency meter
digital voltage meter
Transducers
Insulator
SE Type
SM Type
ASM Type
AB Type
JYZ Type
JYZ Type
MNS Type
LY Type
C Type
CT Type
CJ/CB
EL Type
DL Type
C/GP/L
HC Type
PMJ Type
GCK Type
PMJ Type
PMJ-N Type
XP
ZMJ Type
SGR Type
AMJ Type
Inverter
Controller
Voltage Stabilizer
SBW/DBW Automatic compensated power voltage stabilizer
SBW-F Sub-tone automatic compensation power voltage stabilizer
SVR Automatic AC home voltage stabilizer
SVC/TND single-phase high-precision automatic AC voltage stabilizer
TSD wall-mounted automatic AC voltage regulator
SVC/TNS three-phase high-precision automatic AC voltage stabilizer
Meter Socket
Smart Circuit Breaker
Case
Case Example
Download
About Us
Contact Us
Contact Us
What is the difference between low voltage transformer and high voltage transformer?
Principle of voltage transformer
Are open-type current transformers good? What are the disadvantages of open-type current transformer
Are open-type current transformers good? What are the disadvantages of open-type current transforme
How to install current transformer?
How does a Hall current sensor work?
How to use Rogowski coil?
The difference between Rogowski coil and ordinary current transformer?
News
Company News
Industry News
Feedback
Request Quote
News
Company News
Industry News
Forecast: European Utilty week in 15-17 November 2016 in Barcelona Spain
Mar 21, 2016
03-21
2016
We will participated in European Utilty week in 15-17 November 2016 in Barcelona Spain exhibition
Forecast: Tenaga Expo & Forum 2016 in Malaysia
Mar 12, 2016
03-12
2016
Heyi will take part in Tenaga Expo & Forum 2016 Malaysia 23th-25the May.
Heyi Group go tree planting
Mar 12, 2016
03-12
2016
Heyi development company also did not forget take part in social community work for tree planting.
Indonesia fair customer visit ours factory
Mar 11, 2016
03-11
2016
2015 indonesia fair customer visit ours factory ,sign the contract.
CE LVD certificate for KCT split core current transformers
Jan 15, 2016
01-15
2016
KCT type split core current transformer get the CE LVD certificate.
The annual meeting of mid-level manager held in company headquarters
Dec 28, 2015
12-28
2015
The 2015 annual meeting of mid-level manager held successfully in company headquarters
Visit Indonesia customer
Dec 05, 2015
12-05
2015
2015.12.05-14 Our sales manager Visit Indonesia customer thanks for support our current transformer.
HEYI agent in Korea
Nov 04, 2015
11-04
2015
It is wonderfully new ,Congratulations Heyi have been successful sign Korea agent
Visit Korea customer for new product development
Oct 20, 2015
10-20
2015
2015.10.20-25 Heyi sales manger bethy cai visit Korea customer to discuss new product development
HEYI in Exhibition of Electric, Power & Renewable Energy Indonesia 2015
Sep 01, 2015
09-01
2015
2015. 09. 16-1 9 Jakarta International Expo Kemayoran The booth no. 1319.HEYI electrical main exhibition products for current transformer and panel meter.
1
2
3
4
5
6
page:
Go
Related News
Read More
>>
How do three-phase current transformers work?
Jan .25.2024
Some knowledge about HEYI three-phase current transformer
Why current transformer is used
Jan .17.2024
How does a Hall current sensor work?
Jan .13.2024
Why does the current transformer make abnormal noise?
Jan .10.2024