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LEM ITZ 2000-SPR FLEX ULTRASTAB, Manual

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LEM ITZ 2000-SPR FLEX ULTRASTAB Manual Download Page 14

Page 14/14 

7November2022/Version 8 

LEM reserves the right to carry out modifications on its transducers, 

 

in order to improve them.

LEM International SA 

Route du Nant-d’Avril, 152

1217 Meyrin 

 www.lem.com

ITZ 2000-SPR FLEX ULTRASTAB

Dimensions - Rack electronics 

(in mm, general tolerance ±1.5 mm)

Dimensions - Measuring head 

(in mm, general tolerance ±1.5 mm)

Summary of Contents for ITZ 2000-SPR FLEX ULTRASTAB

Page 1: ... on 9 pin D sub male output connector Secondary current monitoring on BNC connector 4 mm banana sockets for secondary current output Full featured indicator panel Advantages Very high accuracy Excellent linearity Extremely low temperature drift Wide frequency bandwidth High immunity to external fields No insertion losses Low noise on output signal Low noise feedback to primary conductor Applicatio...

Page 2: ...ce required cleaning by dry compressed air is authorized This transducer is a build in device whose hazardous live parts must be inaccessible after installation This transducer must be mounted in a suitable end enclosure Besides make sure to have a distance of minimum 30 mm between the primary conductor return bar and the transducer and other neighboring components Main supply must be able to be d...

Page 3: ... degree 2 Rated insulation RMS voltage reinforced insulation UNm V 1250 IEC 61010 1 conditions over voltage cat III pollution degree 2 RMS voltage for AC insulation test 50 60 Hz 1 min Ud kV 10 8 Impulse withstand voltage 1 2 50 µs UNi kV 19 9 Clearance pri sec dCI mm 25 Shortest distance through air Creepage distance pri sec dCp mm 25 Shortest path along device body Comparative tracking index CTI...

Page 4: ...onsumption IP IP N DC 2000 A Mains supply 230 V RMS PC W VA 48 104 Average Peak RMS noise current 0 10 Hz 4 Ino ppm 0 01 RMS noise current 0 10 kHz 4 7 RMS noise current 0 100 kHz 4 42 Re injected RMS noise on primary bus bar 0 100 kHz µV 10 Electrical offset current 4 IO E ppm 2 2 Temperature coefficient of IO E 4 TCIO E ppm K 0 1 0 1 10 C 40 C Offset stability 4 ppm month 1 1 Linearity error 4 ε...

Page 5: ... to improve them LEM International SA Route du Nant d Avril 152 1217 Meyrin www lem com ITZ 2000 SPR FLEX ULTRASTAB Typical power consumption 0 10 20 30 40 50 60 2500 2000 1500 1000 500 0 500 1000 1500 2000 2500 Primary current IP A Typical power consumption W Typical power consumption vs primary current TA 25 C ...

Page 6: ...ead saturates due to excessive primary current 600 A 24000 A yellow LED These LEDs are lit when a transducer head with the corresponding full scale range is connected to the rack electronics For ITZ 2000 S only LED 2000 A is lit and the others may be ignored CUSTOM yellow LED Reserved for a custom head configuration STATUS green LED This LED is lit when the unit status is OK Normal operation POWER...

Page 7: ... Status Interlock signal outputs 9 pin D Sub male UNC 4 40 screw lock 8 Option A B These positions are for future expansion or customization not used 2 8 3 1 7 6 5 4 LEM International SA Route du Nant d Avril 152 1217 Meyrin LEM International SA Route du Nant d Avril 152 1217 Meyrin 92 47 08 233 0_03 Labelling ITZ Ultrastab TYPE ITZ Ultrastab HEAD S N VOM S N UNIT S N Unplug mains cable before rem...

Page 8: ...esent on the port each having two dedicated floating pins in the SUBD9 Male connector Collector C and Emitter E Status Interlock port wiring Depending on how each signal is wired it can be Active Low or Active High as shown below In the Diagram A Active Low Output the output signal Uout switches to GND when the corresponding LED is ON In the Diagram B Active High Output the output signal Uout swit...

Page 9: ...r head is not saturated High IP UC The primary current is higher than 105 of nominal full scale output 0 2 V The primary current is lower than 105 of nominal full scale output ACTIVE UC The primary current is higher than approximately 1 of nominal full scale output 0 2 V The primary current is lower than approximately 1 of nominal full scale output STATUS UC When the unit status is OK Normal opera...

Page 10: ...ed off When the rack electronics temperature cools to approximately 60 C the measuring circuit is automatically re enabled and the status LED is again lit Over current protection Electrical specifications The over current occurs when the primary current exceeds 120 of IP N DC To detect the over current with primary AC the secondary current is full wave rectified and is time averaged by a low pass ...

Page 11: ...ransducer head description Connect the transducer head to the electronics rack using the supplied transducer head cable and mount the programming plug in the 25 pin D Sub connector on the transducer head The side of cable where there is the ferrite must be connected to the rack electronics The transducer head cable is available in three lengths 10 20 and 30 meters Programmability The programmabili...

Page 12: ...log output connector Normally the provided analog output cable should be used It is also possible to configure your own output cable bearing the following description in mind The female 15 pin D Sub connector Analog out connector contains the following signals 1 Current return 2 Current return 3 Current return 4 No connection 5 No connection 6 Ground 7 No connection 8 No connection 9 Current out 1...

Page 13: ...ole IEC C13 female connector Short plug for 4 mm banana terminals and 15 pin D Sub short plug for analog output connector back panel of electronics rack Mandatory accessories The 3 following accessories have to be separately ordered as per the table hereafter otherwise the ITZ FLEX ULTRASTAB can not operate without them Transducer head cable interconnecting cable between transducer head and electr...

Page 14: ...modifications on its transducers in order to improve them LEM International SA Route du Nant d Avril 152 1217 Meyrin www lem com ITZ 2000 SPR FLEX ULTRASTAB Dimensions Rack electronics in mm general tolerance 1 5 mm Dimensions Measuring head in mm general tolerance 1 5 mm ...

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