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Ratiometric transducer
| Primary Current, Measuring Range | ± 900 A / ± 900 A |
| Supply Voltage | 4.75 .. 5.25 V |
| Sensitivity | 2.22 mV/A |
| Operating Temperature Range | −40 .. 125 °C |
| Isolation Test Voltage | 2.5 kV |
| Primary Nominal Current (IPN) | ± 900 A / ± 900 A |
(*) Single (S) or dual channels sensor for wider measurement Therefore: range (D) or redundancy (R). a constant.
The HSNDR 900-R00 is an open loop current transducer from LEM for the electronic measurement of DC, AC or pulsed currents, with galvanic isolation, delivering an instantaneous output voltage of 2.5 V.
It offers excellent accuracy and very good linearity. Typical applications include (*) Single (S) or dual channels sensor for wider measurement Therefore: range (D) or redundancy (R). a constant.
Key characteristics from the official datasheet: linearity error ± 0.5 %; frequency bandwidth 50 Hz; operating temperature −40 .. 125 °C.
| General Information | |
|---|---|
| Manufacturer | LEM |
| Product Series | HSN |
| Product Reference | HSNDR 900-R00 |
| Primary Nominal Current | ± 900 A / ± 900 A |
| Supply Voltage | 4.75 .. 5.25 V |
| Measurement | DC, AC or pulsed currents |
| Mounting | Busbar Mount |
| Application Domain | (*) Single (S) or dual channels sensor for wider measurement Therefore: range (D) or redundancy (R). a constant |
| Electrical Data — HSNDR 900-R00 | |
|---|---|
| Primary Nominal Current (IPN) | ± 900 A / ± 900 A |
| Primary Current, Measuring Range (IPM) | ± 900 A / ± 900 A |
| Supply Voltage (UC) | 4.75 .. 5.25 V |
| Current Consumption (IC) | 15 mA |
| Sensitivity | 2.22 mV/A |
| Output Offset Voltage (VO E) | 2.5 V |
| Load Resistance (RL) | 10 kOhm |
| Insulation Resistance (RINS) | 500 MOhm |
| Accuracy & Dynamic Performance | |
|---|---|
| Ratiometricity Error | ± 0.4 % |
| Sensitivity Error | ± 1 % |
| Linearity Error | ± 0.5 % |
| Delay Time (tD) | 3 .. 6 µs |
| Frequency Bandwidth | 50 Hz |
| Output Noise | 10 mV |
| Insulation Coordination | |
|---|---|
| RMS Voltage for AC Insulation Test (50 Hz, 1 min) Ud | 2.5 kV |
| Creepage Distance (dCp) | 5.12 mm |
| Clearance (dCI) | 5.12 mm |
| Environmental & Mechanical Characteristics | |
|---|---|
| Ambient Operating Temperature (TA) | −40 .. 125 °C |
| Ambient Storage Temperature (TA st) | −40 .. 125 °C |
| Mass (m) | 41 g |
Note: Specifications are taken from the official HSNDR 900-R00 datasheet. Parameters that could not be confirmed from the datasheet are marked UNVERIFIED.
Official technical documentation for the HSNDR 900-R00.
Outline dimensions, pin layout and connection diagrams of the HSNDR 900-R00 are shown below.
| Outline Dimensions & Mechanical Data | |
|---|---|
| Mass | 41 g |
Note: All dimensions are in millimetres. Refer to the official datasheet for the complete dimension drawing.
Typical applications of the HSNDR 900-R00.
The characteristic curves of the HSNDR 900-R00 from the official datasheet are shown below.
| Accuracy & Dynamic Characteristics | |
|---|---|
| Sensitivity | 2.22 mV/A |
| Sensitivity Error | ± 1 % |
| Linearity Error | ± 0.5 % |
| Frequency Bandwidth | 50 Hz |
| Reference Conditions | |
|---|---|
| Ambient Temperature (TA) | 25 °C, unless otherwise noted |
| Output Load Resistance (RL) | 10 kOhm |
Note: Refer to the datasheet for the complete set of characteristic curves.
Other models of the HSN Series share the same measurement principle, mounting concept and output interface family.
