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DC Current Transducers
CT-100
CT-150
User’s Manual
All Rights Reserved
© CAEN ELS s.r.l.
Rev. 1.8
–
November 2022
PRECI
SI
ON
C
URREN
T
TRAN
SDU
CERS
Page 1: ...DC Current Transducers CT 100 CT 150 User s Manual All Rights Reserved CAEN ELS s r l Rev 1 8 November 2022 PRECISION CURRENT TRANSDUCERS...
Page 2: ...CT 100 CT 150 Series User s Manual CAEN ELS s r l Via Vetraia 11 55049 Viareggio LU Italy Mail info caenels com Web www caenels com...
Page 3: ...Pinout 14 2 2 MOUNTING 15 2 3 PRIMARY CURRENT PATH 16 2 4 FULL SCALE CURRENT 16 2 5 SECONDARY SIDE SIGNALS 17 2 5 1 Power Supply 17 2 5 2 Secondary Current 17 2 5 3 Voltage Output V versions only 18 2...
Page 4: ...ed external shunt values 1 3 July 8th 2016 Added data to technical specifications 1 4 September 20th 2017 Added insulation characteristics 1 5 March 12th 2018 Added information on GND connection 1 6 M...
Page 5: ...ting any part of the instrument WARNING Do NOT open the boxes CAEN ELS d o o declines all responsibility for damages or injuries caused by an improper use of the Modules due to negligence on behalf of...
Page 6: ...s one to be used with the current output DCCTs and one with the voltage output ones the PS1212V is shown in the previous image Product Code Description WPS1215VXAAA PS1215V AC DC Single Output Dual Vo...
Page 7: ...it is damaged Before you use the device inspect the instrument for possible cracks or breaks before each use Do not operate the device around explosives gas vapor or dust Always use the device with th...
Page 8: ...eral environmental requirements for a correct operation of the instrument Environmental Conditions Requirements Operating Temperature 0 C to 45 C Operating Humidity 30 to 85 RH non condensing Storage...
Page 9: ...150 transducers can be chosen between two different versions standard secondary current output or buffered voltage output low temperature coefficient shunt resistor and low noise amplifier are embedde...
Page 10: ...trial and automotive fields Front view of a CT 100 CT 150 current transducer in its DB 9 connector version is presented in Figure 1 Figure 1 front view of a CT 100 CT 150 current transducer with DB 9...
Page 11: ...100PXAAAA CT 100 P 100 A Primary Current 7 pin PCB connector WCT100VCXAAA CT 100V C 100 A Primary Current DB 9 connector Voltage Output WCT100VPXAAA CT 100V P 100 A Primary Current 7 pin PCB connector...
Page 12: ...he casing that indicates the verse of positive primary current measurement This arrow can be seen in Figure 3 top view of a CT 100 CT 150 mechanical enclosure Figure 3 embossed arrow indicating the ve...
Page 13: ...the C versions are presented in Table 2 These two versions have current or voltage output pins and their signal returns Pin CT 100 C or CT 150 C Current Output CT 100V C or CT 150V C Voltage Output 1...
Page 14: ...The pinout for the P versions are presented in Table 3 These two versions have alternative current or voltage output signals and their respective returns on the same pins Pin CT 100 P or CT 150 P Curr...
Page 15: ...nt 4 hole patterns placed in different sides of the mechanical case Four holes are present on the bottom of the device as indicated in the following Figure 6 Figure 6 Bottom mounting holes pattern Oth...
Page 16: ...current is routed over one side of the DCCT head the Magnetic flux density is higher in the area between the U path If the current path return is split in two or more paths over the DCCT Head the mag...
Page 17: ...ase note that not all of them are present on all versions of the DB 9 connector The same signals for the P version are found from pins 4 to 7 of the through hole 7 position strip 2 5 1 Power Supply Su...
Page 18: ...for the P is referred to VO RET pin 7 on both C and P options and the behavior is as follows For CT 100 series 10V output if the primary current is 100A 10V output if the primary current is 100A For...
Page 19: ...K signal is not internally connected to the ground potential and can be connected to an external reference potential A green LED is also present on the front side of the DCCT indicating the correct op...
Page 20: ...3 3V supply and the OK_SIGNAL is referred to DGND potential which can be the same or different from the GND potential on which the CT device is supplied from The OK_SIGNAL is found to be at low level...
Page 21: ...e ordering code is formatted as follows C T X X X Y Z NOTE fields characters shaded in grey color are fixed Example the DC current transducer version CT 100V C has a full scale measurable current of 1...
Page 22: ...econdary Current IS RMS 71 mA External Shunt Resistor Value RS 0 40 0 40 Small Signal Bandwidth 3 dB typ BW 500 kHz 200 kHz V version 300 kHz 200 kHz V version Equivalent Input Noise Bandwidth 1 ppm F...
Page 23: ...ELS PS1215 power supply Table 4 Technical Specification 4 1 Equivalent Input Noise The typical equivalent input noise of the CT 100 CT 150 transducers is hereafter presented as a function of the measu...
Page 24: ...the current output versions is shown hereafter in the following chart Figure 14 CT 100 maximum external shunt resistor Current version only 0 1 2 3 4 5 6 7 8 2 20 200 2000 20000 Equivalent Input Nois...
Page 25: ...tions over voltage cat III pollution degree 2 Rated insulation voltage RMS basic insulation 1000 V EN 50178 conditions over voltage cat III pollution degree 2 Rated insulation voltage RMS reinforced i...
Page 26: ...he mechanical dimensions of the CT 100 CT 150 Series DC Current Transducers are hereafter presented all dimensions are in mm 5 1 CT 100 CT 150 Series C version Figure 16 Mechanical drawings for CT 100...
Page 27: ...CT 100 CT 150 Series User s Manual Mechanical Dimensions 27 5 2 CT 100 CT 150 P version Figure 17 Mechanical drawings for CT 100 CT 150 Series P Version...
Page 28: ...DC User s Manual...
