Leakage current sensor

SLD1S1K-10mA/RS485 Leakage current sensor

The SLD1S1K series is a digital sensor for measuring DC microcurrents. The measurement method is perforation, no insertion loss, and the aperture is φ20mm. The input signal is DC micro current, and the output is RS485 communication port.

Description

Advantages

Parameters

Selection

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型号

Type

 

参数

Parameter

SLD1S1K-10mA/RS485

 

单位

额定输入电流(Ipn)

Rated input current (Ipn)

± 10

mA

测量电流范围(Ipm)

Measuring Current Range (Ipm)

0~ ±80

mA

输出接口

Output interface

RS485


分辨率

Resolution

10

uA

波特率

Baud rate

9600(无校验)

bps

电源电压 (Vc)

Supply voltage (Vc)

+8~+12

VDC

功耗电流(Ic)

Power consumption current (Ic)

@8VDC K1 K2               20mA

mA

精度(X

Accuracy (X)

± 1

%FS

线性度 ( ε)

Linearity (ε)

1

%FS

失调电流(Ioe)

Offset current (Ioe)

≤±250

uA

温漂(TC)

Temperature bleaching (TC)

20

uA/

刷新时间(tr)

Refresh time (tr)

500

mS

操作温度(TA

Operating temperature (TA)

-10 to +70

存储温度(TS

Storage temperature (TS)

-10 to +75

绝缘电压(Vd

Insulation voltage (Vd)

@ 50HZ/60HZ 1min                                   3

KV

绝缘阻抗(Ris)

Insulation impedance (Ris)

@ DC 500V                                                    500

M Ω

爬电距离(dCp

Creepage distance (dCp)

13

mm

空间间距(dCi

Spatial Spacing (dCi)

13

mm

应用 Application

l 微电流检测

Microcurrent detection

l 直流电源系统绝缘在线监控

DC power system insulation online monitoring

结构参数 Dimension


备注:所有尺寸单位 mm ,通用公差±1mm

Note: All dimensions in mm, general tolerance ±1mm


使用说明 Remarks

1.当待测电流从传感器穿过,即可通过 RS485 获取当前被测电流数据。

2.可按用户需求定制不同额定输入电流和输出电压的传感器。

3.本产品为弱电流检测产品,传感器容易受运输、测试环境等因素影响,零点会有变化,但 2V 以内不影响传感器 的线性度。建议客户在使用本产品时,将传感器安装到系统待传感器稳定后进行零点测试,当零点偏大时,进行软 件校零处理。也可用 2.0 无感一字螺丝刀进行电位器调零,直至零点恢复正常;再将系统报警值设置在 2V。

4.错误的接线以及超出产品测量电流范围可能导致传感器损坏。

1. When the current to be measured passes through the sensor, the current data can be obtained through the RS485 port.

2. Sensors with different rated input current and output voltage can be customized according to user needs.

3. This product is a weak current detection product, the sensor is easily affected by transportation, test environment and other factors, the zero point will change, but the linearity of the sensor will not be affected within 2V. When using this product, it is recommended that the customer install the sensor into the system and carry out zero test after the sensor is stable. When the zero is too large, carry out software zero correction processing. The potentiometer can also be zeroed with 2.0 non-inductive flat-head screwdriver until the zero point returns to normal; Then set the system alarm value at 2V.

4. Incorrect wiring and out of the range of product measurement current may cause sensor damage.



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