Bently Nevada 3500/50 134938-01 Tachometer Module 8-Channel Supports compliance with hazardous area

Supports compliance with hazardous area standards when used to seal open slots

ensuring accurate data transmission to controllers and minimizing signal errors in demanding industrial environments

Supports safe interconnection of I/O carriers up to 6

Specification Details Model AA1143-H53 Input Channels 16 isolated channels Input Signal Range 4 to 20 mA Maximum Allowable Input 24 mA Isolation (Power On) 1500 VAC between input and system for 1 minute Withstanding Voltage 270 Ohm at 20 mA to 350 Ohm at 4 mA Input Resistance Minimum 500 kOhm Measurement Accuracy ±16 μA Data Update Period 10 ms Transmitter Supply Voltage 19

Bently Nevada 3500/50 134938-01 Tachometer Module 8-Channel Supports compliance with hazardous areaProduct Description The 3500 50 Tachometer Module (134938 01) is a dual channel monitoring unit designed for continuous evaluation of rotational dynamics in high value machinery. It is integrated into the Bently Nevada 3500 rack platform and supports real time monitoring of speed behavior, transient events, and directional changes for protection and diagnostics. The module processes signals from proximity probes and magnetic pickup sensors, converting