ACR SmartReader 9 Specifications

Three Channel Pulse Data Logger

SmartReader 9 is a versatile data logger designed for easy counting and recording of switch contact closures and voltage pulses. It has two input channels each with three selectable frequency ranges. Features: 3 channels 10-year battery life User-configurable Accessible remotely by modem Network capable

Product Specifications

No. of channels	Three. (One internal thermistor and two external inputs for externally-generated pulse signals or dry switch contact closures)
Ranges	32 Pulses/second; 64 Pulses/second; 128 Pulses/second
Minimum Pulse Width	4 milliseconds.
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 24 volts (DC).
Input Impedance	750 K ohms.
Memory Size	32 KB.
Accuracy curve	Temperature Sensor Accuracy with ACR SmartReader
Common Specifications	ACR SmartReader Common Specifications
Software Specifications	TrendReader - ACR SmartReader Data Logger Software RealTime Graphing Software
Remote & Network communications	ACR SmartReader Networking and Remote Communications