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| Item | Qty | Notes |
|---|---|---|
| AC Current Transducer | 2* | Transducers feature 2.5m tail cable - bare ends Specification dependant on application - see below |
| VTI21 Smart Sensor | 1 | Main transducer body |
| 2-Way 3.81mm Plug Connector | 5 | For all transducer connections |
| M3 Grub Screw | 2 | For securing current transducers to VTI21 chassis |
| M5 Hex Bolt | 2 | For general panel mounting |
| M5 Nut | 2 | For general panel mounting |
| M5 Machine Screw | 2 | For BR930/Q Style Bracket Mounting |
| No.8 Wood Screw | 2 | For Backboard mounting |
*VTI21-TI21 variants presently only feature 1 x transducer
Current Transducers (VTI21-
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ASTER, VTI21-UM71)
| Model | Magnelab SCT-0400- |
| 001-40K |
| Output |
| 11. |
| 25 V per Amp |
| Accuracy |
| <10% |
| Bandwidth |
| 1kHz to 25kHz |
| Phase Error |
| Unspecified |
Current Transducers (VTI21-VT1, VTI21-TI21-RX, VTI21-FS25, VTI21-FS26, VTI21-REED, VTI21-RFDM)
| Model | Magnelab SCT-0400-001-NCAP |
| Output | 333mV per Amp |
| Accuracy | <1% |
| Bandwidth | 5Hz to 25kHz |
| Phase Error | <2 Degrees (Compensated by VTI21) |
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| Model | Magnelab SCT-0400-005 |
| Output | 66.6 mV per Amp |
| Accuracy | <1% |
| Bandwidth | 5Hz to 25kHz |
| Phase Error | <2 Degrees (Compensated by VTI21) |
Current Transducers (VTI21
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-ACS)
| Model | Magnelab SCT-0400-010 |
| Output | 33.3mV per Amp |
| Accuracy | <1% |
| Bandwidth | 5Hz to 25kHz |
| Phase Error | <2 Degrees (Compensated by VTI21) |
Current Transducers (VTI21-TI21-TX)
| Model | Magnelab SCT-0400- |
| 025 |
| Output |
| 13. |
| 3mV per Amp |
| Accuracy |
| <1% |
| Bandwidth |
| 5Hz to 25kHz |
| Phase Error |
| <2 Degrees (Compensated by VTI21) |
VTI21-Electrical
| Analogue Inputs | |
| Bandwidth | 20kHz |
| Range | +/-1.25V Differential Input |
| Resolution | from 74μV to 2.4mV (Inputs feature programmable Gain) |
| Accuracy | 1% - SCT-0400-001-NCAP, SCT-0400-010, SCT-0400-005 10% - SCT-0400-001-40K |
| Analogue Output | |
| Bandwidth | 500 Hz |
| Range | 0-20mA Current Loop Output |
| Resolution | 19.5μA |
| Accuracy | <1% |
| Serial Output | |
| Physical Layer | EIA RS485 |
Baud Rate | 115,200 bps |
| Protocol Layer | MPEC Raildaq |
| Power Supply | |
| Voltage | 12V to 24V DC |
| Power Consumption | 12V 4-20mA Mode: 0.7W 12V RS485 Mode: 0.5W 24V 4-20mA Mode: 1.1W 24V RS485 Mode: 0.8W |
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