SmartReader 9 3-Channel Pulse Data Logger from ACR Systems
The SmartReader 9 3-channel pulse data logger is a versatile data logger designed for counting and recording digital pulses or switch contact closures. It has two input channels, each with three selectable frequency ranges. Data can be displayed in custom engineering units using the simple equation editor of ACR's TrendReader® 2 software. It also has one internal channel for recording ambient temperature.