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Voltage transducer
| Primary Voltage, Measuring Range | −3000 ... 3000 V |
| Secondary Nominal RMS Current | 50 mA |
| Sensitivity | 25 µA/V |
| Offset Current @ 25 °C | −50 ... 50 µA (100 % tested) |
| Isolation Test Voltage | 8.5 kV |
| Operating Temperature Range | −40 ... 85 °C |
Single or three phase inverters, Propulsion and braking choppers, Propulsion converters, Auxiliary converters, High power drives, Substations.
The DVL 2000/SP1 is a None current transducer from LEM for the electronic measurement of voltage: DC, AC, pulsed..., with galvanic isolation.
It offers excellent accuracy and low temperature drift. Typical applications include Single or three phase inverters, Propulsion and braking choppers, Propulsion converters and Auxiliary converters.
Key characteristics from the official datasheet: frequency bandwidth 14 kHz (−3 dB); operating temperature −40 … 85 °C; nominal secondary output 50 mA.
| General Information | |
|---|---|
| Manufacturer | LEM |
| Product Series | DVL |
| Product Reference | DVL 2000/SP1 |
| Nominal Primary Voltage | 2000 V |
| Supply Voltage | ±13.5 ... ±26.4 V |
| Measurement | voltage: DC, AC, pulsed... |
| Mounting | — |
| Application Domain | Railway (fixed installations and onboard), Industrial |
| Electrical Data — DVL 2000/SP1 | |
|---|---|
| Primary Nominal RMS Voltage (UPN) | 2000 V |
| Primary Voltage, Measuring Range (UPM) | −3000 ... 3000 V |
| Measuring Resistance (RM) | 0 ... 133 Ω |
| Secondary Nominal RMS Current (ISN) | 50 mA |
| Secondary Current (IS) | −75 ... 75 mA |
| Supply Voltage (±UC) | ±13.5 ... ±26.4 V |
| Rise Time of UC (10-90 %) | 100 ms |
| Current Consumption (IC) @ ±24 V, UP = 0 V | 20 ... 25 mA |
| Offset Current (IO) @ 25 °C | −50 ... 50 µA (100 % tested) |
| Temperature Variation of IO (IO T) @ −40 ... 85 °C | −150 ... 150 µA (−40 ... 85 °C) |
| Sensitivity (S) | 25 µA/V (50 mA for primary 2000 V) |
| Resistance of Primary Winding (RP) | 11.3 MΩ |
| Total Primary Power Loss @ UPN | 0.35 mW |
| Accuracy & Dynamic Performance | |
|---|---|
| Sensitivity Error (εS) | −0.2 ... 0.2 % |
| Temperature Variation of Sensitivity Error (εS T) | −0.5 ... 0.5 % |
| Linearity Error (εL) | −0.5 ... 0.5 % of UPM |
| Overall Accuracy (XG) @ 25 °C | −0.5 ... 0.5 % of VPN (25 °C, 100 % tested) |
| Overall Accuracy (XG) @ −40 ... 85 °C | −1 ... 1 % of VPN (−40 ... 85 °C) |
| RMS Noise Current referred to primary (Ino) | 10 µA (1 Hz to 100 kHz) |
| Delay Time to 10 % of Final Output (tD 10) | 30 µs |
| Delay Time to 90 % of Final Output (tD 90) | 50 ... 60 µs |
| Frequency Bandwidth (−3 dB) | 14 kHz (−3 dB) |
| Frequency Bandwidth (−1 dB) | 8 kHz (−1 dB) |
| Frequency Bandwidth (−0.1 dB) | 2 kHz (−0.1 dB) |
| Start-up Time (tstart) | 190 ... 250 ms |
| Insulation Coordination | |
|---|---|
| RMS Voltage for AC Insulation Test (50 Hz, 1 min) Ud | 8.5 kV |
| Impulse Withstand Voltage (1.2/50 µs) UNi | 16 kV |
| Partial Discharge Test Voltage (q < 10 pC) Um t | 2700 V |
| Insulation Resistance (RINS) | 200 MΩ (measured at 500 V DC) |
| Case Material | V0 according to UL 94 |
| Comparative Tracking Index (CTI) | 600 |
| Environmental & Mechanical Characteristics | |
|---|---|
| Ambient Operating Temperature (TA) | −40 ... 85 °C |
| Ambient Storage Temperature (TA st) | −50 ... 90 °C |
| Equipment Operating Temperature Class (EN 50155) | OT6 |
| Switch-on Extended Operating Temperature Class (EN 50155) | ST0 |
| Rapid Temperature Variation Class (EN 50155) | H2 |
| Conformal Coating Type (EN 50155) | PC2 |
| Mass (m) | 270 g |
| Standards & Certifications | |
|---|---|
| EN 50155 | 2017 |
| EN 50178 | 1997 |
| EN 50124-1 | 2001 |
| EN 50121-3-2 | 2006 |
| UL 347 | 2016 |
| IEC 61010-1 | 2010 |
| RAMS Data | |
|---|---|
| Useful Life Class (EN 50155) | L4 |
| Mean Failure Rate (λ) | 1/1835004 h⁻¹ (EN 50155, U_C = ±24 V) |
Note: Specifications are taken from the official DVL 2000/SP1 datasheet. Parameters that could not be confirmed from the datasheet are marked UNVERIFIED.
Official technical documentation for the DVL 2000/SP1.
Outline dimensions, pin layout and connection diagrams of the DVL 2000/SP1 are shown below.
| Outline Dimensions & Mechanical Data | |
|---|---|
| Mass | 270 g |
| Resistance of Primary Winding (RP) | 11.3 MΩ |
| Case Material | V0 according to UL 94 |
Note: All dimensions are in millimetres. Refer to the official datasheet for the complete dimension drawing.
Typical applications of the DVL 2000/SP1.
The characteristic curves of the DVL 2000/SP1 from the official datasheet are shown below.
| Accuracy & Dynamic Characteristics | |
|---|---|
| Rise Time of UC (10-90 %) | 100 ms |
| Sensitivity (S) | 25 µA/V (50 mA for primary 2000 V) |
| Sensitivity Error (εS) | −0.2 ... 0.2 % |
| Temperature Variation of Sensitivity Error (εS T) | −0.5 ... 0.5 % |
| Linearity Error (εL) | −0.5 ... 0.5 % of UPM |
| Overall Accuracy (XG) @ 25 °C | −0.5 ... 0.5 % of VPN (25 °C, 100 % tested) |
| Overall Accuracy (XG) @ −40 ... 85 °C | −1 ... 1 % of VPN (−40 ... 85 °C) |
| Frequency Bandwidth (−3 dB) | 14 kHz (−3 dB) |
| Frequency Bandwidth (−1 dB) | 8 kHz (−1 dB) |
Note: Refer to the datasheet for the complete set of characteristic curves.
Other models of the DVL Series share the same measurement principle, mounting concept and output interface family.
