Envitech - (EnviDAQ 8050)
Connectors: 2 x Socket terminal blocks (# 14 ~ 22 AWG)
Power Consumption: 300mW
Digital Input Channels: 7 TTL Levels
Logic Level 0: <= + 1Vdc
Logic Level 1:> = + 2.4Vdc
Digital Outputs Channel: 8 open collectors 30V, maximum load 30mA
Insulation: 3000 Volts
Working Temperature: -10 ~ 70 ° C
Power Input: Unregulated 9 Vdc w / power reversing protection