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| Topstek True RMS Current Transducer TMQ80A..1000A-CL420 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 True RMS 4-20mA Current Loop Output CT Applications iPower measurement, power panel iTrue RMS AC+DC current measurement i VFD and SCR type waveforms current measurement iTrue RMS output i4-20mA current loop output Options iPlastic case material: PBT+30%GF(white) standard and PC(blue) option iOperating temperature range: 70C standard and option 85C available iConnector type: specify -E or -M. If other types of connector required, please contact factory for other possibilities. 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 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 ICC Tr fBW RIS Ta Ts W Symbol IPN IPMax IOUT IOS IOL RL VCC V % % mA Psec Hz %/C PA/C V M C C g Unit A RMS A mA mA mA 80A 80 400 100A 100 400 200A 200 800 300A 300 400A 400 500A 500 600A 600 1000A 1000 1200 1600 2000 2400 2400 4-20 mA Current Loop, 4mA@ IP =0A, 20mA@ IP = IPN +4 mA <32 mA <300 +20V .. +32V Within 1% of IPN @25C(excluding offset) Within 1% of IPN 4-20 mA (= IOUT) <150 msec DC to 6kHz Within 0.1 %/C @ IPN < 3PA/C(0-60C), < 6PA/C(-40 .. 70C) AC3KV X 60 sec >1000 M -40C to 70C -45C to 85C 240 g - 125 www.topstek.com TMQ-CL420 V080530 7/1/2008 Topstek True RMS Current Transducer TMQ80A..1000A-CL420 Appearance, dimensions and pin identification of TMQ-CL420-E All dimensions in mm 0.2, holes -0, +0.2 except otherwise noted. - 126 www.topstek.com TMQ-CL420 V080530 7/1/2008 Topstek True RMS Current Transducer TMQ80A..1000A-CL420 Appearance, dimensions and pin identification of TMQ-CL420-M All dimensions in mm 0.2, holes -0, +0.2 except otherwise noted. - 127 www.topstek.com TMQ-CL420 V080530 7/1/2008 Topstek True RMS Current Transducer TMQ80A..1000A-CL420 Application Connections TMQ-CL420 can be used with two types of connections. In both cases, the GND pin have no internal connection, and TP Pin is for factory calibration only. Connection 1: The power supply is on the receiver side. Only two connector pins are used. Connection 2: The power supply is on the CT side. Make sure you have a proper ground connection to prevent grounding noise. - 128 www.topstek.com TMQ-CL420 V080530 7/1/2008 |
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