... output,with RS485 1. Features of IBEST DS8 Series 4 Alarm Relay Output Indicator : * Multi-function digital indicator, size: ... customized linear input. (Configurable by software) * Up to 3 alarm relays, contact capacity: AC 250V/3A or DC 30V/3A ... applied for 2-wire transformer, pressure sensor, 4- wire weighing sensor, remote pressure meter and other sensor measuring devices; for non-linear input, can ...