B9 series current sensor is a closed loop device based on the principle of the hall effect, with a galvanic isolation between primary and secondary circuit. It provides accurate electronic measurement of DC, AC or pulsed currents.
| Type | B9-125A | B9-200A | Unit |
| Rated current(Ipn) | ±125 | ±200 | A |
| Measure range(Ip) | 0—±185 | 0—±300 | A |
| Turns ratio(Np/Ns) | 1:1000 | 1:2000 | T |
| Coil resister | 30 | 45 | Ω |
| Rated output | ±125±0.5% | ±100±0.5% | mA |
| Supply voltage | ±12，±15 | V | |
| Power Consumption | ≤20+IpX(Np/Ns) | mA | |
| Offset current | @Ip=0 ±0.2 | mA | |
| Offset drift | @ -40～+85℃ ≤±0.5 | mA | |
| Linearity | @Ip=0-±Ipn ≤0.1 | %FS | |
| Response time | @50A/μS, 10%-90% ≤1 | μS | |
| Galvanic isolation | @ 50HZ,AC,1min 3 | KV | |
| Bandwidth | @ -3dB 0～200 | KHZ | |
Dimensions
| Mechanical dimension(for reference only) | Note |
 |
1. All dimensions are in mm. 2. General tolerance ±1mm. 3. Elucidation: 1:+15V 2:–15V 3:I0UT |
| General date | Value | Unit |
| Operating temperature(TA) | -40 to +85 | ℃ |
| Storage temperature(TS) | -40 to +125 | ℃ |
| Mass(approx) (M) | 20 | g |
Accuracy test
| Pulse current signal response characteristic | Effects of impulse noise | ||
 |
( Input signal ) ( Output signal ) |
 |
( Output voltage ) |
Standards
UL94-V0.
EN60947-1:2004
IEC60950-1:2001
EN50178:1998
SJ 20790-2000
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E-mail: bethy@heyiele.com
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