The SmartReader 9 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! Standard software. It also has one internal channel for recording ambient temperature.

Specifications

Ranges	32 pulses/second 64 pulses/second 128 pulses/second
Minimum Pulse Width	4 milliseconds
Input Impedance	750 K ohms
Switch Contact Closure Input	Input Type: Uncommitted switch or relay contacts
Voltage Inputs	Input Type: Active logic signals Input Voltage: Low = 0 to 0.5 volts DC, High = 4.5 to 24 volts DC

Ordering Information

Model	Memory	Catalog #
SR-009	32KB	01-0037