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Insulation monitoring for medical IT systems
Load and temperature monitoring of isolation transformer
Device disconnection monitoring
AUX Power | Voltage | AC220V±10% | Temperature monitoring | Thermal resistor | 2 Pt100 |
Power consumption | ≤5VA | Measuring range | -50~+200℃ | ||
Insulation Monitoring | Resistance measuring range | 10~999kΩ | Alarm value range | 0~+200℃ | |
Response value | 50~999kΩ | Alarm | Output mode | 1 Relays | |
Relative uncertainty | ±10% | output | Contact rating | AC 250V/3A | |
DC 30V/3A | |||||
Response time | ≤3s | Environment | Operating temperature | -10~+55℃ | |
Permissible system leakage capacitance Ce | ≤5uF | Transport temperature | -25~+70℃ | ||
Measuring voltage Um | ≤12V | Storage temperature | -25~+70℃ | ||
Measuring current Im | ≤50uA | Relative humidity | 5%-95%, No condensation | ||
Impedance Zi | ≥200kΩ | Altitude | ≤2500m | ||
Internal DC resistance Ri | ≥240kΩ | IP degree | IP30 | ||
Permissible extraneous DC voltage Ufg | ≤DC280V | Rated impulse voltage / pollution degree | 4KV/Ⅲ | ||
Load Current Monitoring | Measuring Value | 2.1~50A | EMC | IEC 61326-2-4 | |
Alarm Value | 5~50A | Communication | RS485(Modbus-RTU) | ||
Measuring accuracy | ±5% |