RIHs – Insulation monitor for hospital use 4 module

INPUT

• Connection: insulation transformer Iso TV (NT699)
• Network voltage: 230V
• Rated frequency: 50Hz
• Working frequency: 47…63Hz
• Insulation measuring circuit current: ≤ 100µA
• External VT temperature: Pt100 2-wire resistance bulb
• Current: connection by CT/5A
• Rated burden input current: ≤ 0,5VA
• Input impedance: > 100kΩ
• Measuring voltage: < 15V

DISPLAY

• Display type: LCD
• Digit height: 5mm (2 lines x 8 digit)
• Measurement display2
• : subdivided on 7 pages
• resistance or impedance towards ground + insulation TV temperature
• resistance towards ground1+ capacity towards ground1
• voltage + frequency
• current
• active power + apparent power
• apparent power demand + apparent power max. demand
• phase with lowest impedance towards ground + presence of remote repeaters
• 1 present just if you select the impedance towards ground display
• 2 measurements referred to the secondary winding of the external insulation VT

ALARMS DISPLAYS

• Insulation pre-alarm: blinking yellow LED
• Insulation alarm: On yellow LED
• Temperature and / or power pre-alarm: blinking yellow LED
• Temperature and / or power alarm: On yellow LED

ANOMALIES DISPLAYS

• no measuring voltage
• connection breakdown to the equipotential junction