ABB NPBA-12 贝莉
产品介绍:
本产品采用电磁感应和霍尔效应原理,对电网或电路中的电流进行非接触测量,将其变换为标准的跟踪电压(Ug)输出,具有温度稳定性好、过载能力强、高隔离等特点。适用于电流的非接触隔离测量,本产品采用卡装式结构,安装、拆卸方便。特别适于于变频调速设备、可控硅控制设备及其他机电设备中用作电流测量。
主要技术指标
1. 输入输出规格:见产品标签;
2. 准确度等级:1.0;
3. 线性范围:0%~120%标称输入;
4. 频率响应:DC~50KHZ;
5. 响应时间:3μs;
6. 过载能力:30倍标称输入值,持续5s ;
7. 负载能力:5mA;
8. 静态电流:15mA;
9. 辅助电源:见产品标签;
10. 隔离耐压:>DC 3kV,1min;
11.输出纹波:≤25mV;
12.环境温度:商业级:0℃~50℃,
工业级:-25℃~+70℃;
13.温度漂移:300×10-6/℃。
◆ 辅助电源: 标称值±0.5%,纹波≤5mV;
◆ 环境温度: 25℃±5℃;
◆ 相对湿度: (45~75)%;
◆ 准确度为0.1级以上的信号源及测量仪表。
通电预热3min;
用输入监测表V1监视信号源的输出,在传感器量程范围内任意给定一个输入值Ir,假定传感器的输入规格是50A,输出规格是0V~5V,则传感器的理论输出值Uz按下式计算:
Ug = 5V×Ir/50A
用输出监测表V2测量传感器输出端的电压输出值Uo,传感器的基本引用误差γ按下式计算:
γ= (Uo-Uz)/5V×100
重复执行4、5两条操作,如果所得到的γ的值均
小于传感器的准确度等级指数(本型号传感器的准确度等级指数为1.0),则传感器的准确度等级合格。
传感器外形尺寸图 (单位:mm)
ABB NPBA-12 贝莉
TASCAM TA-1VP TA1VP VOCAL PROCESSOR NEW
One-day shipping available
TASCAM IF-AD24 24-Ch. ADAT Lightpipe I/O Card for X-48
TASCAM US-2000 USB AUDIO INTERFACE
Free Shipping on ALL! music123 Orders!
TASCAM DIGITAL AUDIO INTERFACE UNIT IF-88SD
Tascam DA-98 Digital Recorder w/ IF-AE8HR Unit
Tascam CDX1500 Dual CD Player
Free Shipping on ALL! music123 Orders!
Tascam IF-FW/DM mkII 32-channel FireWire Audio Interfac
Free Shipping on ALL! music123 Orders!
TASCAM SS-R05 SOLID STATE and CD STEREO AUDIO RECORDER
Free Shipping on ALL! music123 Orders!
TASCAM SS-R1 Solid State Flash Recorder/Player
Free Shipping on ALL! music123 Orders!
Tascam RC-898 Remote Co
Tascam DA-P1 Audio Recorder PS-D1 (Reduced!)
Tascam TA-1VP_ Vocal Processor ~NEW~
One-day shipping available
Tascam 122MKIII 3 Head Tape Cassette Deck Recorder
One-day shipping available
Tascam DP-02 Eight-Track Digital Portastudio DP02- NEW
TASCAM CD-200i Rack-mount cd/player w/iPod dock NEW!
Lubell TASCAM CD/Cassette w/ Remote - CDA500
TASCAM CD-01U 1-Rackspace CD Player
Free Shipping on ALL! music123 Orders!
Tascam CDX1500 Professio
One-day shipping available
Tascam CDRW900SL CD Recorder w/MP3 Playback CD Burner