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Voltage Transducer DVM series U = 1800 ... 4200 V
| Supply Voltage | ±10.8 ... ±26.4 V |
| Operating Temperature Range | −40 ... 85 °C |
| Isolation Test Voltage | 12 kV |
| Primary Nominal RMS Current (IPN) | 2000 V |
| Current Consumption (IC) | 40 mA |
| Resistance of Primary Winding (RP) | 25.1 MΩ |
Propulsion and braking choppers, Propulsion converters, Auxiliary converters, High power drives, Substations. Standards, EN 50155: 2021, EN 50121-3-2: 2016, EN 50124-1: 2017, IEC 62497-1: 2010, UL 347 1): 2016 Application Domains, Industrial, Railway (fixed installations and onboard). Note: 1) When used with UL 347 Isolator N° 92.24.06.420.0. out modifications on its transducers, L 1E 1M I Mn dt ee yr n ria nat nio t-n da ’Al S vrA www.lem.com
The DVM 2000 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 Propulsion and braking choppers, Propulsion converters, Auxiliary converters and High power drives.
Key characteristics from the official datasheet: linearity error −0.5 ... 0.5 % of IPN; operating temperature −40 ... 85 °C.
| General Information | |
|---|---|
| Manufacturer | LEM |
| Product Series | DVM |
| Product Reference | DVM 2000 |
| Nominal Primary Voltage | 1800 V |
| Primary Nominal Current | 2000 V |
| Supply Voltage | ±10.8 ... ±26.4 V |
| Measurement | voltage: DC, AC, pulsed... |
| Mounting | — |
| Application Domain | Industrial, Railway (fixed installations and onboard) |
| Electrical Data — DVM 2000 | |
|---|---|
| Primary Nominal RMS Current (IPN) | 2000 V |
| Supply Voltage (UC) | ±10.8 ... ±26.4 V |
| Current Consumption (IC) | 40 mA |
| Resistance of Primary Winding (RP) | 25.1 MΩ |
| Primary nominal DC voltage (continuous) (UPNDC) | Typ 1800 V |
| Primary nominal AC RMS voltage (continuous) (UPNAC) | Typ 1800 V |
| Primary voltage, measuring range (UPM) | Min −2700 / Max 2700 V |
| Measuring resistance (RM) | Min 0 Ω |
| Secondary current (IS) | Typ 50 mA |
| ⎓ DC supply voltage (UC) | Min ±10.8 / Typ ±12 ... ±24 / Max ±26.4 V |
| Rise time of (10 % ... 90 %) U C (trise) | Max 100 ms |
| Total error (εtot) | Min −1 / Max 1 % |
| Temperature variation of referred to primary U O E (UTOE) | Min −3.6 / Max 3.6 V |
| Electrical Offset voltage referred to primary (UOE) | Min −1.8 / Max 1.8 V |
| Sensitivity (S) | Typ 27.8 µA/V |
| Sensitivity error (εS) | Min −0.3 / Max 0.3 % |
| Temperature variation of sensitivity error (εTS) | Min −0.5 / Max 0.5 % |
| Linearity error (εL) | Min −0.5 / Max 0.5 U % of P N |
| RMS noise current 100 Hz ... 100 kHz referred to secondary (Ino) | Typ 30 µA |
| Delay time @ 10 % of the final output value for step U P N (tD10) | Typ 30 µs |
| Delay time @ 90 % of the final output value for step U P N (tD90) | Typ 50 / Max 60 µs |
| Start-up time (tstart) | Typ 190 / Max 250 ms |
| Resistance of primary (RP) | Typ 25.1 MΩ |
| Absolute Maximum Ratings | |
|---|---|
| ⎓ Maximum DC supply voltage (U = 0 V, 0.1 s) P (±ÛCmax) | ±33.6 V |
| Absolute Maximum Ratings | |
|---|---|
| ⎓ Maximum DC supply voltage (working) (− 40 … + 85 °C) (±UCmax) | ±26.4 V |
| Absolute Maximum Ratings | |
|---|---|
| Electrostatic discharge voltage (HBM - Human Body Model) (UESDHBM) | 4 kV |
| Absolute Maximum Ratings | |
|---|---|
| Maximum DC common mode voltage (UU+HV+HV−|UUand−|HV+HV−) | ≤ 6.3 U ≤ P M kV |
| Accuracy & Dynamic Performance | |
|---|---|
| Linearity Error (εL) | −0.5 ... 0.5 % of IPN |
| Electrical Offset Voltage (VO E) @ IP = 0 | −2.0 ... 2.0 V |
| Response Time to 90 % of IPN Step | 50 ... 60 µs |
| Insulation Coordination | |
|---|---|
| RMS Voltage for AC Insulation Test (50 Hz, 1 min) Ud | 12 kV |
| Impulse Withstand Voltage (1.2/50 µs) UNi | 30 kV |
| Creepage Distance (dCp) | 101 mm |
| Clearance (dCI) | 74 mm |
| Comparative Tracking Index (CTI) | 600 |
| RMS voltage for AC insulation test, 50 Hz, 1 min (Ud) | 12 kV |
| Impulse withstand voltage 1.2/50 μs (UNi) | 30 kV |
| (q Partial discharge RMS test voltage < 10 pC) m (Ut) | 5000 V |
| Case material | V0 |
| Application example RMS voltage line-to-neutral | 1000 V |
| Application example System voltage RMS | 3600 V |
| Application example Rated insulation RMS voltage (UNm) | 4800 V |
| Application example Rated insulation RMS voltage | 1000 V |
| Environmental & Mechanical Characteristics | |
|---|---|
| Ambient Operating Temperature (TA) | −40 ... 85 °C |
| Ambient Storage Temperature (TA st) | −50 ... 90 °C |
| Mass (m) | 375 g |
| Ingress protection rating | Typ IP40 |
| Pollution degree | Max PD4 |
| Altitude | Max 1) 2000 m |
| Impact rating | Typ IK06 |
| Mean failure rate (λ) | Typ 1/1827550 h−1 |
| Standards & Certifications | |
|---|---|
| EN 50155 | Compliance |
| EN 50121-3-2 | Compliance |
| EN 50124-1 | Compliance |
| IEC 62497-1 | Compliance |
| UL 347 | 1): |
Note: Specifications are taken from the official DVM 2000 datasheet. Parameters that could not be confirmed from the datasheet are marked UNVERIFIED.
Official technical documentation for the DVM 2000.
Outline dimensions, pin layout and connection diagrams of the DVM 2000 are shown below.
| Outline Dimensions & Mechanical Data | |
|---|---|
| Mass | 375 g |
| Resistance of Primary Winding (RP) | 25.1 MΩ |
| Case material | V0 |
| Ingress protection rating | Typ IP40 |
Note: All dimensions are in millimetres. Refer to the official datasheet for the complete dimension drawing.
Typical applications of the DVM 2000.
The characteristic curves of the DVM 2000 from the official datasheet are shown below.
| Accuracy & Dynamic Characteristics | |
|---|---|
| Rise time of (10 % ... 90 %) U C (trise) | Max 100 ms |
| Total error (εtot) | Min −1 / Max 1 % |
| Sensitivity (S) | Typ 27.8 µA/V |
| Sensitivity error (εS) | Min −0.3 / Max 0.3 % |
| Temperature variation of sensitivity error (εTS) | Min −0.5 / Max 0.5 % |
| Linearity error (εL) | Min −0.5 / Max 0.5 U % of P N |
| Response Time to 90 % of IPN Step | 50 ... 60 µs |
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.
