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TMQ-CL420 Datasheet, PDF (1/4 Pages) Topstek Inc. – Topstek True RMS Current Transducer
Topstek True RMS Current Transducer TMQ80A..1000A-CL420
True RMS 4-20mA Current Loop Output CT
TMQ80A~1000A-CL420
Features
iHighly reliable Open Loop Hall Effect device
iFaster response time than temperature sensing
iExcellent linearity of the output voltage over a wide input range
i VFD and SCR type waveforms current measurement
i True RMS output
i 4-20mA current loop output
iHigh isolation voltage between the measuring circuit and the
current-carrying conductor (AC3KV)
iFlame-Retardant plastic case and silicone encapsulant, using UL
classified materials, ensures protection against environmental
contaminants and vibration over a wide temperature and humidity
range
Specifications
Applications
iPower measurement, power panel
iTrue RMS AC+DC current measurement
Options
iPlastic case material:
PBT+30%GF(white) standard and PC(blue) option
iOperating temperature range:
70°C standard and option 85°C available
iConnector type: specify –E or –M. If other types of connector
required, please contact factory for other possibilities.
Parameter
Nominal Input Current
Max Primary Current Peak
Current Output Protocol
Output Offset Current
Over-Scale Output Current
Load Resistance
Supply Voltage
Accuracy @ IPN
Linearity
Consumption Current
Response Time (90% IPN Step)
Frequency bandwidth (±1dB)
Thermal Drift of Output
Thermal Drift of
Zero Current Offset
Dielectric Strength
Isolation Resistance
@ 1000 VDC
Operating Temperature
Storage Temperature
Mass
Symbol Unit 80A 100A 200A 300A 400A 500A 600A 1000A
IPN A RMS 80 100 200 300 400 500 600 1000
IPMax
A
±400 ±400 ±800 ±1200 ±1600 ±2000 ±2400 ±2400
IOUT
mA
4-20 mA Current Loop, 4mA@ IP =0A, 20mA@ IP = IPN
IOS
mA
+4 mA
IOL
mA
<32 mA
RL
ȍ
<300 ȍ
VCC
V
+20V .. +32V
%
Within ±1% of IPN @25°C(excluding offset)
È¡
%
Within ±1% of IPN
ICC
mA
4-20 mA (= IOUT)
Tr Psec
<150 msec
fBW
Hz
DC to 6kHz
- %/°C
Within ±0.1 %/°C @ IPN
- PA/°C
< ±3PA/°C(0-60°C), < ±6PA/°C(-40 .. 70°C)
-
V
AC3KV X 60 sec
RIS
Mȍ
>1000 Mȍ
Ta
°C
Ts
°C
W
g
-40°C to 70°C
-45°C to 85°C
240 g
- 125 -
www.topstek.com
TMQ-CL420 V080530 7/1/2008