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Voltage Transducer
| Primary Nominal DC Voltage (UPN DC) | 500 V |
| Measuring Resistance (RM) | 0 .. 555 Ohm |
| Secondary Nominal DC Current (ISN DC) | 4 .. 20 mA |
| Maximum Secondary DC Current (IS max) | 3 .. 21 mA |
| Supply Voltage (UC) | ±13.5 .. ±26.4 V |
| Rise Time of UC (10 … 90 %) | 100 ms |
Substations, Trackside.
The DVL 500-UI is a None current transducer from LEM for the electronic measurement of voltage: DC, pulsed..., with galvanic isolation.
It offers excellent accuracy. Typical applications include Substations and Trackside.
Key characteristics from the official datasheet: total error ± 120 % (−25 … 85 °C) / ± 150 % (−40 … 85 °C) / ± 0.5 % (25 °C) / ± 1 % (−40 … 85 °C); linearity error ± 0.5 %; operating temperature −40 … 85 °C.
| General Information | |
|---|---|
| Manufacturer | LEM |
| Product Series | DVL |
| Product Reference | DVL 500-UI |
| Nominal Primary Voltage | 500 V |
| Supply Voltage | ±13.5 .. ±24 V |
| Measurement | voltage: DC, pulsed... |
| Mounting | — |
| Application Domain | Industrial |
| Primary Nominal DC Voltage (UPN DC) | 500 V |
| Measuring Resistance (RM) | 0 .. 555 Ohm |
| Secondary Nominal DC Current (ISN DC) | 4 .. 20 mA |
| Maximum Secondary DC Current (IS max) | 3 .. 21 mA |
| Supply Voltage (UC) | ±13.5 .. ±26.4 V |
| Rise Time of UC (10 … 90 %) | 100 ms |
| Current Consumption (IC) | 25 .. 30 mA @ ±U_C = ±24 V |
| Offset Current Referred to Primary (IO) | ± 50 µA |
| Temperature Variation of IO | ± 150 µA |
| Resistance of Primary (RP) | 2.7 MOhm |
| Insulation Resistance (RINS) | 200 MOhm |
| Sensitivity Error | ± 0.2 % |
| Temperature Variation of Sensitivity Error | ± 0.5 % |
| Linearity Error (εL) | ± 0.5 % |
| Total Error (εtot) | ± 1 % |
| RMS Noise Current (Ino) | 10 µA |
| Delay Time @ 10 % of UPN Step | 30 µs |
| Delay Time @ 90 % of UPN Step | 50 .. 60 µs |
| Frequency Bandwidth | 14 kHz (−3 dB) |
| Start-up Time | 190 .. 250 ms |
| RMS Voltage for AC Insulation Test (50 Hz, 1 min) Ud | 8.5 kV |
| Impulse Withstand Voltage (1.2/50 µs) UNi | 16 kV |
| Insulation Resistance (RINS) | 200 MOhm |
| Comparative Tracking Index (CTI) | 600 |
| 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) | 290 g |
Note: Specifications are taken from the official DVL 500-UI datasheet. Parameters that could not be confirmed from the datasheet are marked UNVERIFIED.
Official technical documentation for the DVL 500-UI.
Outline dimensions, pin layout and connection diagrams of the DVL 500-UI are shown below.
| Outline Dimensions & Mechanical Data | |
|---|---|
| Mass | 290 g |
Note: All dimensions are in millimetres. Refer to the official datasheet for the complete dimension drawing.
Typical applications of the DVL 500-UI.
The characteristic curves of the DVL 500-UI from the official datasheet are shown below.
| Accuracy & Dynamic Characteristics | |
|---|---|
| Rise Time of UC (10 … 90 %) | 100 ms |
| Sensitivity Error | ± 0.2 % |
| Temperature Variation of Sensitivity Error | ± 0.5 % |
| Linearity Error (εL) | ± 0.5 % |
| Total Error (εtot) | ± 1 % |
| Frequency Bandwidth | 14 kHz (−3 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.
