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Closed loop (compensated)
| Primary Current, Measuring Range | 0 .. ± 3000 A |
| Conversion Ratio (KN) | 1 : 5000 |
| Secondary Nominal RMS Current (ISN) | 400 mA |
| Response Time to 90 % of IPN Step | < 1 µs |
| Isolation Test Voltage (50 Hz, 1 min) | 6 kV |
| Impulse Withstand Voltage (1.2/50 µs) | 47.6 kV |
UNVERIFIED.
The LT 2005-T is a closed loop (compensated) current transducer from LEM for the electronic measurement of currents: DC, AC, pulsed..., with galvanic isolation.
It offers excellent accuracy, very good linearity, low temperature drift and wide frequency bandwidth. Typical applications include UNVERIFIED.
Key characteristics from the official datasheet: linearity error < 0.1 %; frequency bandwidth DC .. 100 kHz; operating temperature 0 .. + 70 °C.
| General Information | |
|---|---|
| Manufacturer | LEM |
| Product Series | LT |
| Product Reference | LT 2005-T |
| Primary Nominal Current | 2000 A |
| Supply Voltage | ± 15 .. 24 V |
| Measurement | currents: DC, AC, pulsed... |
| Mounting | Busbar Mount |
| Application Domain | Industrial |
| Electrical Data — LT 2005-T | |
|---|---|
| Primary Nominal RMS Current (IPN) | 2000 A |
| Primary Current, Measuring Range (IPM) | 0 .. ± 3000 A |
| Secondary Nominal RMS Current (ISN) | 400 mA |
| Conversion Ratio (KN) | 1 : 5000 |
| Supply Voltage (UC) | ± 15 .. 24 V |
| Current Consumption (IC) | 28 (@ ± 24V) + IS mA |
| Accuracy & Dynamic Performance | |
|---|---|
| Overall Accuracy @ IPN, TA = 25 °C (XG) | ± 0.3 % |
| Linearity Error (εL) | < 0.1 % |
| Offset Current @ IP = 0, TA = 25 °C (IO) | ± 0.8 mA |
| Magnetic/Residual Offset Current (IOM) | ± 0.4 mA |
| Temperature Variation of IO (Max) | ± 0.3 mA |
| Response Time to 90 % of IPN Step (tr) | < 1 µs |
| di/dt Accurately Followed | > 50 A/µs |
| Frequency Bandwidth (-1 dB) (BW) | DC .. 100 kHz |
| Insulation Coordination | |
|---|---|
| RMS Voltage for AC Insulation Test (50 Hz, 1 min) Ud | 6 kV |
| Impulse Withstand Voltage (1.2/50 µs) UNi | 47.6 kV |
| Creepage Distance (dCp) | 76 mm |
| Clearance (dCI) | 68 mm |
| Comparative Tracking Index (CTI) | 225 |
| Overvoltage Category / Pollution Degree | Over voltage category OV · Pollution degree PD2 |
| Environmental & Mechanical Characteristics | |
|---|---|
| Ambient Operating Temperature (TA) | 0 .. + 70 °C |
| Ambient Storage Temperature (TA st) | - 25 .. + 85 °C |
| Standards & Certifications | |
|---|---|
| EN 50178 | Compliance |
Note: Specifications are taken from the official LT 2005-T datasheet. Parameters that could not be confirmed from the datasheet are marked UNVERIFIED.
Official technical documentation for the LT 2005-T.
Outline dimensions, pin layout and connection diagrams of the LT 2005-T are shown below.
Note: All dimensions are in millimetres. Refer to the official datasheet for the complete dimension drawing.
Typical applications of the LT 2005-T.
Characteristic curve diagrams are not included in the LT 2005-T datasheet; the relevant characteristics are the accuracy and dynamic performance data listed below.
| Accuracy & Dynamic Characteristics | |
|---|---|
| Overall Accuracy @ IPN, TA = 25 °C (XG) | ± 0.3 % |
| Linearity Error (εL) | < 0.1 % |
| Response Time to 90 % of IPN Step (tr) | < 1 µs |
| di/dt Accurately Followed | > 50 A/µs |
| Frequency Bandwidth (-1 dB) (BW) | DC .. 100 kHz |
Note: For the full set of performance data, refer to the datasheet.
Other models of the LT Series share the same measurement principle, mounting concept and output interface family.
