品牌
经销商厂商性质
所在地
直流信号隔离分配器 配电器/箱
面议直流信号隔离变换器/变送器 配电器/箱
面议高隔离直流信号隔离变换器 配电器/箱
面议经济型无源4~20mA隔离器(同华仪表) 配电器/箱
面议直流信号隔离变换器/变送器(同华仪表) 配电器/箱
面议直流信号隔离分配器(同华仪表) 配电器/箱
面议双路直流信号隔离变换器/变送器(同华仪表) 配电器/箱
面议带隔离馈电输出的直流信号隔离变换器/变送器(同华仪表) 配电器/箱
面议直流信号隔离分配器带隔离馈电输出(同华仪表) 配电器/箱
面议两线制变送器信号隔离配电器(同华仪表) 配电器/箱
面议两线制变送器信号隔离配电分配器(同华仪表) 配电器/箱
面议双路两线制变送器信号隔离配电器(同华仪表) 配电器/箱
面议隔离0...20mA可到50mA的电流,测量精度为0.1%,无源, 工作电压为300V,测试电压2.5kV,*多四个通道。
Specifications
Input data
Input | 0(4) ... 20 mA / max. 30 V (linear transmission up to 50 mA) |
Operating current | <20 µA |
Voltage drop | Approx. 2.5 V at 20 mA |
Overload | 100 mA, 30 V |
Output data
Output | 0(4) ... 20 mA / max. 27.5 V (corresponds to 1375 ohms load) |
Residual ripple | <5 mVrms |
Transmission behavior
Transmission error | <0.1 % full scale |
Load error | <0.02 % meas.val. / 100 ohms |
Response time (T99) | Approx. 5 ms at 500 ohms load |
Temperature coefficient 1) | <0.002 %/K meas.val. per 100 ohms load (reference temperature 23 °C) |
Isolation
Test voltage | 1.5 kV AC input against output of the same channel |
2.3 kV AC channels against each other |
Standards and approvals
EMC 2) | EMC directive 89/336/EEC, EN 61326 |
Approvals | UL: File no. E 220033, Standards: UL 508 and CAN/CSA 22.2 no. 14 |
Data for Option 506
Test voltage | 4 kV AC input against output of the same channel |
2.3 kV AC channels against each other | |
Protection against electric shock | Safe isolation according to EN 61140 by reinforced insulation in accordance with EN 61010-1. Working voltages up to 300 V AC/DC across all connections with overvoltage category II and pollution degree 2. For applications with high working voltages, you should ensure there is sufficient spacing or isolation from neighboring devices and protection against electric shocks. |
Other data
MTBF3) | Approx. 1031 years/channel |
Ambient temperature | Operation: –10 ... +70 °C |
Transport and storage: –40 ... +85 °C | |
Housing | Modular housing, width 12.5 mm or 22.5 mm, with pluggable screw terminal See dimension drawings for further measurements |
Protection class | IP 20 |
Mounting | Metal lock for mounting on 35 mm top hat rail according to EN 50022 See dimension drawings for conductor cross section |
Weight | Approx. 100 g |