HV28-4 VLF High Voltage Test Set
The HV28-4 is a truly compact and portable VLF test set system for testing medium voltage cables.
It performs VLF and DC testing, sheath testing and sheath fault location mode.
The system can be modified with an internal Tan Delta Diagnostics unit (retroactive).
- Contact：
- 010-68460051
- 13810861174
- Brand Introduction:
- b2 electronic GmbH with its business division b2 High-Voltage is an internationally operating company, which develops, manufactures and distributes practically oriented high voltage equipment for simple cable testing, cable diagnostics and onsite oil testing. Several decades of development experience in the field of test engineering, a profound understanding of the needs of energy suppliers and the will for improvement, equip the company with the skills required for lasting success. Systems by b2 are benchmark worldwide for innovation, low weight, compact dimensions and usability and prove themselves with energy suppliers all over the world. b2 is in a constant dialog with its customers, collects their suggestions and needs, matches them to b2 visions and develops new product ideas out of that. By an active, certified quality management along the entire business process, b2 ensures also in the implementation of its ideas a maximum of customer satisfaction.
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- Features
- Technical Parameters
| 型号 | HV28-4 |
| 货号 | SH0216 |
| 输入电压 | 100 – 240 V, 50/60 Hz, 400 VA |
| 输出电压 |
正弦波:0 – 28 kV peak, 20 kV rms DC:± 0 – 28 kV 方波: 0 - 28 kV 精度: ± 1% 分辨率: 0.1 kV |
| 输出电流 | 0 – 20 mA (分辨率 1 µA) | 精度：±1% |
| 输出频率 | 0.01 … 0.1 Hz 步进 0.01 Hz (默认 0.1 Hz) - 自动频率 |
| Tan Delta精度 负载 > 10 nF | ± 1 x 10 -4 |
| Leakage Guard® — 检测和补偿泄漏电流 | |
| 阻抗范围 | 0.1 MΩ…5 GΩ |
| 输出负载 |
0.5 μF @ 0.1 Hz @ 20kV rms | 5.0 μF @ 0.01 Hz @ 20 kV rms 10.0 μF 最大 容抗！ 1 |
| 绝缘护套检测 |
Unmax: 10 kV 动作电流: 0.1 mA – 5.0 mA |
| 绝缘护套缺陷定位 2 |
Unmax: 10 kV 脉冲/周期: 1:3 / 4 s, 1:5 / 4 s, 1:5 / 6 s, 1:9 / 6 s |
| 输出模式 |
AC (VLF) 对称和在整个范围内不受负载影响， DC (正极或者负极), Burn-/Fault Condition或者 Fault Trip Mode, 绝缘护套检测 |
| 安全性 | 50 Hz 12 kV 回授保护 / 双放电设备 (内部) |
| 内存 | 保存50个检测记录 | USB几乎没有限制 |
| 测量 | 电压和电流 (True rms 和／或 peak), 容抗，电阻，时间，闪络电压 |
| HV电缆 | 4 m带夹线钳 |
| 软件 | “b2 Control Center” (包括在内) |
| 计算机接口 |
Bluetooth 标准 USB 标准 |
| 尺寸 | 长 416 x 宽 221 x 高 334 mm (Peli Case) |
| 重量 | 14 kg |
| 环境条件 |
存放：-25°C 到 + 70°C | 运行：-20°C 到 + 55°C 湿度：5-85% 无凝结 |
Address: UNIT 2508A, 25/F BANK OF AMERICA TOWER 12 HARCOURT ROAD CENTRAL HONG KONG
Tel：010-68460051 Mobile：15810972800