Long measuring cycles and relatively long response time, but immune to disturbances. Depending on the capacitance and DC levels, the response time can be between 10 and 7,000 seconds (2 hours). To ensure a fast reacting product during fault-finding, the SIM-Q MKII has been equipped with three selectable modes for optimal performance: The ability of the SIM-Q MKII to measure large capacitances results in long measurement cycles due to the charging and discharging of the network leakage capacitance. To be able to eliminate the influence from the monitored network capacitances and AC/DC components, the SIM-Q MKII performs an automatic measuring cycle that will compensate for these. The SIM-Q MKII uses a patented measuring method, where a ☒5 V DC voltage is superimposed to the system being monitored. A low frequency (LF) version of the SIM-Q MKII is available for thruster systems with 5-20Hz frequency variations. The SIM-Q MKII is particularly suitable for high-end monitoring of AC/DC networks characterised by high leakage capacitance.
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