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