База знань › Current Transformers (CT)
LEM ART-B22-D70
Official manufacturer GLOBAL перевірено 25 вересня 2026 р.
Identity
| category | current_transformers |
| manufacturer | LEM |
| model | ART-B22-D70 |
| region | GLOBAL |
| variant | — |
Electrical
| accuracy_class |
0.5 (IEC 61869-10)
суперечливе
ART-B22-Dxxxxx/SPxxxxx series Rogowski coil data sheet (v8)
|
| aperture_mm |
70
ART-B22-Dxxxxx/SPxxxxx series Rogowski coil data sheet (v8)
|
| coil_inductance |
180 uH
ART-B22-Dxxxxx/SPxxxxx series Rogowski coil data sheet (v8)
|
| coil_resistance |
56 Ohm
ART-B22-Dxxxxx/SPxxxxx series Rogowski coil data sheet (v8)
|
| ct_type |
rogowski
ART - Rogowski coil
|
| frequency_bandwidth_khz | 420 |
| frequency_bandwidth_minus3db |
420 kHz
ART-B22-Dxxxxx/SPxxxxx series Rogowski coil data sheet (v8)
|
| frequency_hz |
50/60
ART-B22-Dxxxxx/SPxxxxx series Rogowski coil data sheet (v8)
|
| insulation_voltage_v | 7400 |
| lead_length_m | 1.5 / 3 (SP3) / 4.5 (SP4) / 6 (SP6) cable-length options |
| mutual_inductance |
71.98 nH
ART-B22-Dxxxxx/SPxxxxx series Rogowski coil data sheet (v8)
|
| output_cable_length_m |
1.5
ART - Rogowski coil
|
| phase_angle_error_deg | 0.004 |
| phase_displacement |
0.004 deg @ 50/60 Hz
ART-B22-Dxxxxx/SPxxxxx series Rogowski coil data sheet (v8)
|
| primary_current_a |
1000
ART - Rogowski coil
|
| rated_insulation_voltage_v |
1000
ART-B22-Dxxxxx/SPxxxxx series Rogowski coil data sheet (v8)
|
| rated_short_time_thermal_current_ka |
300
ART-B22-Dxxxxx/SPxxxxx series Rogowski coil data sheet (v8)
|
| ratio |
44.44 kA/V @ 50 Hz
ART-B22-Dxxxxx/SPxxxxx series Rogowski coil data sheet (v8)
|
| ratio_error_pct | -0.5 to +0.5 (conductor centred); -0.75 to +0.75 (all conductor positions) |
| secondary_output | 22.5 mV @ 50 Hz (rated transformation ratio 44.44 kA/V @ 50 Hz) |
| secondary_voltage_mv |
22.5
ART-B22-Dxxxxx/SPxxxxx series Rogowski coil data sheet (v8)
|
| split_core |
True
ART - Rogowski coil
|
| window_diameter_mm | 70 |
Physical / mechanical
| weight_kg | 0.124 (1.5 m cable) / 0.192 (SP3, 3 m) / 0.259 (SP4, 4.5 m) / 0.327 (SP6, 6 m) |
Environment
| operating_temperature_max_c |
80
ART-B22-Dxxxxx/SPxxxxx series Rogowski coil data sheet (v8)
|
| operating_temperature_min_c |
-40
ART-B22-Dxxxxx/SPxxxxx series Rogowski coil data sheet (v8)
|
| operating_temperature_range_c | -40 to 80 |
| storage_temperature_range_c | -40 to 80 |
| temperature_coefficient |
+/-30 ppm/K
ART-B22-Dxxxxx/SPxxxxx series Rogowski coil data sheet (v8)
|
Certifications
| certifications | IEC 61010-1:2010; IEC 61010-2-32:2012; IEC 61869-10:2017; UL 61010-1:2012 |
Документи
installation_manual
ART installation guide
product_page
ART - Rogowski coil
Зафіксовані конфлікти
electrical.accuracy_class Review required
0.5 (IEC 61869-10) — stored value
Class 0.5 (per IEC 61869-10) — incoming package
Detected during import deep-enrich-pass2-2026-09-batch12
Додаткові задокументовані параметри
Записано дослівно з джерела; поля схеми для них поки немає.
| builder_completeness | partial |
| region_notes | LEM publishes one worldwide data sheet for the ART series; no regional electrical variants are published. |