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Voltage Transducer
| Secondary Nominal Current | 50 A |
| Operating Temperature Range | −40 … 85 °C |
| Secondary Nominal RMS Current (ISN) | 50 A |
| ⎓ Maximum supply voltage (working) (−40 … 85 °C) (±UCmax) | ±26.4 V |
| Maximum primary voltage (−40 … 85 °C) (UPmax) | 6 kV |
| Maximum steady state primary voltage (−40 … 85 °C) (UPNmax) | 4000 V see derating on figure 2 |
UNVERIFIED
The DV 4000/SP2 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 UNVERIFIED.
Key characteristics from the official datasheet: total error ± 0.5 % (−25 … 70 °C) / ± 0.8 % (−25 … 85 °C) / ± 0.8 % (−40 … 85 °C) / ± 0.3 % (25 °C) / ± 0.7 % (−25 … 70 °C) / ± 1 % (−25 … 85 °C) / ± 1 % (−40 … 85 °C); linearity error ± 0.1 %; operating temperature −40 … 85 °C; nominal secondary output 50 A.
| General Information | |
|---|---|
| Manufacturer | LEM |
| Product Series | DV |
| Product Reference | DV 4000/SP2 |
| Nominal Primary Voltage | 4000 V |
| Measurement | voltage: DC, AC, pulsed... |
| Mounting | — |
| Application Domain | Railway (fixed installations and onboard) |
| Electrical Data — DV 4000/SP2 | |
|---|---|
| Secondary Nominal RMS Current (ISN) | 50 A |
| Absolute Maximum Ratings | |
|---|---|
| ⎓ Maximum supply voltage (working) (−40 … 85 °C) (±UCmax) | ±26.4 V |
| Absolute Maximum Ratings | |
|---|---|
| Maximum primary voltage (−40 … 85 °C) (UPmax) | 6 kV |
| Absolute Maximum Ratings | |
|---|---|
| Maximum steady state primary voltage (−40 … 85 °C) (UPNmax) | 4000 V see derating on figure 2 |
| Accuracy & Dynamic Performance | |
|---|---|
| Total Error (εtot) @ IPN | ± 0.5 % (−25 … 70 °C) / ± 0.8 % (−25 … 85 °C) / ± 0.8 % (−40 … 85 °C) / ± 0.3 % (25 °C) / ± 0.7 % (−25 … 70 °C) / ± 1 % (−25 … 85 °C) / ± 1 % (−40 … 85 °C) |
| Linearity Error (εL) | ± 0.1 % |
| Environmental & Mechanical Characteristics | |
|---|---|
| Ambient Operating Temperature (TA) | −40 … 85 °C |
| Ambient Storage Temperature (TA st) | −50 … 90 °C |
| Mass (m) | 610 g |
| Relative humidity (RH) | Max 95 % |
| Ingress protection rating | Typ IP40 |
| Pollution degree | Max PD4 |
| Altitude | Max 1) 2000 m |
| Standards & Certifications | |
|---|---|
| EN 50155 | Compliance |
| Insulation Coordination | |
|---|---|
| Mean failure rate (λ) | Typ 1/1883371 h-1 |
| RMS voltage for AC insulation test, 50 Hz, 1 min (Ud) | 18.5 kV |
| Impulse withstand voltage 1.2/50 µs (UNi) | 30 kV |
| (q < 10 pC) Partial discharge RMS voltage m (Ut) | 5000 V |
| Insulation resistance (RINS) | 200 MΩ |
| Clearance (pri. - sec.) (dCI) | see dimensions mm |
| Creepage distance (pri. - sec.) (dCp) | drawing on page 10 mm |
| Case material | V0 |
| Primary nominal RMS voltage (UPN) | Typ 4000 V |
| Primary voltage, measuring range (UPM) | Min −6000 / Max 6000 V |
| Measuring resistance (RM) | Min 0 / Max 133.3 Ω |
| Secondary current (IS) | Min −75 / Max 75 mA |
| ⎓ Supply voltage (±UC) | Min ±13.5 / Typ ±24 / Max ±26.4 V |
| U Rise time of (10-90 %) C (trise) | Max 100 ms |
| ⎓ Current consumption (IC) | Typ I 20 + S / Max I 25 + S mA |
| Electrical Offset current (IOE) | Min −50 / Typ 0 / Max 50 μA |
| Sensitivity (S) | Typ 12.5 µA/V |
| Sensitivity error (εS) | Min −0.2 / Typ 0 / Max 0.2 % |
| Temperature variation of sensitivity error (εST) | Min −0.5 −0.8 −0.8 / Max 0.5 0.8 0.8 % |
| Linearity error (εL) | Min −0.1 / Max 0.1 U % of P M |
| RMS noise current (Ino) | Typ 10 μA |
| Start-up time (tstart) | Typ 190 / Max 250 ms |
| Resistance of primary (winding) (RP) | Typ 23 MΩ |
Note: Specifications are taken from the official DV 4000/SP2 datasheet. Parameters that could not be confirmed from the datasheet are marked UNVERIFIED.
Official technical documentation for the DV 4000/SP2.
Outline dimensions, pin layout and connection diagrams of the DV 4000/SP2 are shown below.
| Outline Dimensions & Mechanical Data | |
|---|---|
| Mass | 610 g |
| Ingress protection rating | Typ IP40 |
| Case material | V0 |
| Resistance of primary (winding) (RP) | Typ 23 MΩ |
Note: All dimensions are in millimetres. Refer to the official datasheet for the complete dimension drawing.
Typical applications of the DV 4000/SP2.
The characteristic curves of the DV 4000/SP2 from the official datasheet are shown below.
| Accuracy & Dynamic Characteristics | |
|---|---|
| Total Error (εtot) @ IPN | ± 0.5 % (−25 … 70 °C) / ± 0.8 % (−25 … 85 °C) / ± 0.8 % (−40 … 85 °C) / ± 0.3 % (25 °C) / ± 0.7 % (−25 … 70 °C) / ± 1 % (−25 … 85 °C) / ± 1 % (−40 … 85 °C) |
| Linearity Error (εL) | ± 0.1 % |
| U Rise time of (10-90 %) C (trise) | Max 100 ms |
| Sensitivity (S) | Typ 12.5 µA/V |
| Sensitivity error (εS) | Min −0.2 / Typ 0 / Max 0.2 % |
| Temperature variation of sensitivity error (εST) | Min −0.5 −0.8 −0.8 / Max 0.5 0.8 0.8 % |
Note: Refer to the datasheet for the complete set of characteristic curves.
Other models of the DV Series share the same measurement principle, mounting concept and output interface family.
