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
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