ACR SmartReader Plus 9 Specifications

Two Channel Pulse Data Logger

The SmartReader Plus 9 is a versatile data logger designed for easy counting and recording of switch contact closures and voltage pulses. It has two pulse/contact input channels. Data can be displayed in custom engineering units using the simple equation editor of ACR's TrendReader® for Windows® Software. Features: 12 bit resolution 2 channels 10-year battery life Up to 128 KB memory User-configurable Accessible remotely by modem Network capable

Product Specifications

No. of channels	Two. (Two external inputs for externally-generated pulse signals and dry switch contact closures).
Minimum Pulse Width	5 microseconds.
Switch Contact Closure Input Input type Logic Inputs      Logic type      Input voltage	Uncommitted switch or relay contacts.   Active logic signals. Low = 0 to 0.5 volts (DC). High = 4.5 to 22 volts (DC).
Maximum Frequency	100 KHz.
Input Impedance	750 K ohm.
Memory Size	32 KB and 128 KB.
Accuracy Curve	Temperature Sensor Accuracy with ACR SmartReader Plus
Common Specifications	ACR SmartReader Plus Common Specifications
Software Specifications	TrendReader - ACR SmartReader Plus Data Logger Software RealTime Graphing Software Talk-Back Software
Remote & Network communications	ACR SmartReader Plus Networking and Remote Communications