... Description level meterRF Admittance Level MeterRF admittance level meter, capacitance level meterRF admittance level meter is a kindly improved capacitive ... to cover a considerable part of numerous infinitesimal by the capacitance and resistance of the composition of the transmission line, ... A OR 1-5VAlarm mode There are two independent alarm relays, each with a normally open contact, the police can ...