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LTC Series LF Series
AV and DV Series Solutions for voltage measurement

LF Series

-Measures DC, AC, pulsed … currents with galvanic isolation
-Choice between different electrical parameters
-Choice between different output connectors, studs, cables
100…2000 ARMS
Closed loop
Hall cell

 

  LF 205-S/SP5 LF 205-S/SP1 LF 305-S/SP10 LAC 300-S
Other types: contact sales     < < < <
Special features : contact sales     < < < <
With feets     no no no no
         
Parameter Description Condition unit        
IPN Primary nominal current   ARMS 100 200 300 400
IP Measuring range, primary @ ±12..15V A peak ±2001 ±4201 ±5001 ±6501
IP Max. not measurable overload   kA/ms        
RMmax Max. Measuring resistance @ ±15V Ω 123 100 58 15
RMmax Max. Measuring resistance @ ±15V Ω 95 71 39  
RMmin Min. Measuring resistance @ ±15V Ω 16 0 0 0
RMmin Min. Measuring resistance @ ±12V Ω 0 0 0  
KN Conversion ratio     1 : 1000 1 : 2000 1 : 2000 1 : 4000
ISN Secondary nominal current   mA 100 100 150 100
VC Supply voltage ±5% V ±12..15 ±12..15 ±12..20 ±15
IC Current consumption @ ±15V mA 17 + IS 17 + IS 16 + IS 25 + IS
Vd Dielectric strength 50 Hz 1min. kVRMS 3.5 3.5 3 5.5
XG Overall accuracy @ IPN, TA = 25ºC % < ± 0.6 < ± 0.5 < ± 0.5 < ± 1
    @ IPN, TA = -40…+85ºC %        
ε L Linearity error   % < 0.1 < 0.1 < 0.1 < 0.1
IO Offset current @ IP=0, TA=25ºC mA ≤ ±0.2 ≤ ±0.2 ≤ ±0.2 < ± 0.15
IOM Residual current @IP after overload
3 x IPN
mA ≤ ±0.2 ≤ ±0.1 ≤ ±0.2 ≤ ±0.15
IOT Thermal drift of IO -40…+85ºC mA typ. ±0.25 typ. ±0.12 typ. ±0.2 typ. ±0.2
tra Reaction time @10% of IPN ns < 500 < 500 < 500  
tr Response time @90% of IPN μs < 1 < 1 < 1 < 1
di/dt accurately followed   A/μs > 100 > 100 > 100 > 50
BW Frequency bandwidth -1dB kHz        
    -3dB kHz DC…100 DC…100 DC…100 DC…50
TA Ambient operating temperature   ºC -40…+85 -40…+85 -40…+85 -40…+85
TS Ambient storage temperature   ºC -45…+90 -45…+90 -45…+85 -45…+90
RS Secondary coil resistance @ TA = +70ºC Ω 10 33 30  
  " @ TA = +85ºC Ω 11 35 32 67
m Mass   g 78 78 95 137
  Standards EN50155   Yes Yes2 Yes Yes
  Secondary connection     Molex Minif. 5566 Molex Minif. 5566 Molex Minif. 5566 Molex 70543-0003
  Shield between primary and secondary     no no no no



1) More details: see data sheet

Dedicated data sheets are the only recognized reference documents for the given performances and data
- Datasheets: www.lem.com

 

LF Series

-Measures DC, AC, pulsed … currents with galvanic isolation
-Choice between different electrical parameters
-Choice between different output connectors, studs, cables
100…2000 ARMS
Closed loop
Hall cell

 

  LF 505-S/SP23 LF 1005-S/SP14 LF 2005-S/SP1 LT 4000-S
/SP34
Other types: contact sales     < < < <
Special features : contact sales     < < < <
Different bus bars are available     yes yes yes yes
         
Parameter Description Condition unit        
IPN Primary nominal current   ARMS 100 200 300 400
IP Measuring range, primary @ ±24V A peak ±10001 ±15001 ±35001 ±60001
IP Max. not measurable overload   kA/ms     20  
RMmax Max. Measuring resistance @ ±24V Ω 114 50 6 10
RMmax Max. Measuring resistance @ ±15V Ω     8  
RMmin Min. Measuring resistance @ ±24V Ω 0 3 3 2
RMmin Min. Measuring resistance @ ±15V Ω     0  
KN Conversion ratio     1 : 5000 1 : 5000 1 : 5000 1 : 5000
ISN Secondary nominal current   mA 100 200 400 800
VC Supply voltage ±5% V ±24 ±24 ±15..24 ±24
IC Current consumption @ ±24V mA 34 + IS 28 + IS 33 + IS 35 + IS
Vd Dielectric strength 50 Hz 1min. kVRMS 6 6 10 12
XG Overall accuracy @ IPN, TA = 25ºC % < ± 0.6 < ± 0.5 < ± 0.3 < ± 0.5
    @ IPN, TA = -40…+85ºC %        
ε L Linearity error   % < 0.1 < 0.1 < 0.1 < 0.1
IO Offset current @ IP=0, TA=25ºC mA ≤ ±0.4 ≤ ±0.4 ≤ ±0.5 < ± 0.8
IOM Residual current @IP after overload
3 x IPN
mA     ≤ ±0.2  
IOT Thermal drift of IO -40…+85ºC mA typ. ±0.3 typ. ±0.3 typ. ±0.2 typ. ±0.6
tra Reaction time @10% of IPN ns        
tr Response time @90% of IPN μs < 1 < 1 < 1 < 1
di/dt accurately followed   A/μs > 100 > 100 > 100 > 50
BW Frequency bandwidth -1dB kHz DC…100 DC…150 DC…100 DC…100
    -3dB kHz        
TA Ambient operating temperature   ºC -40…+85 -40…+85 -40…+85 -40…+70
TS Ambient storage temperature   ºC -45…+90 -45…+100 -50…+85 -45…+85
RS Secondary coil resistance @ TA = +70ºC Ω       15
    @ TA = +85ºC Ω 96 55 26  
m Mass   g 230 500 1500 6000
  Standards EN50155   Yes Yes2 Yes Yes
  Secondary connection     screen cable 2m M4 studs Lemo EEJ...CYC M5 studs
  Shield between primary and secondary     Yes Yes Yes no


1) More details: see data sheet

Dedicated data sheets are the only recognized reference documents for the given performances and data
- Datasheets: www.lem.com

 
 

 

 

  영우실업 YOUNGWOO | 대표 박종구 | 사업자등록번호 114-16-66321
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