"Insulation Resistance Meter
Maker: Ziyi
Maker’s No.: Q96-ZMΩA
Source: AC440V, 60Hz
Class: 1.5, 60Hz
FREQUENCY TRANSDUCER
Maker: Yokogawa
Maker’s No.: 2378A02
Input: 0-600V 55-65 Hz
Output: 4-20 mA
Voltage: DC24V
AMR Switchboard Earth monitoring device" FREQUENCY TRANSDUCER YOKOGAWA.NA.2378A02