SmartReader Plus1
SmartReader Plus2
SmartReader Plus3
SmartReader Plus4
SmartReader Plus5
SmartReader Plus6
SmartReader Plus7
SmartReader Plus8
SmartReader Plus9
SmartReader Plus10

SmartReader Plus9 Specifications
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 channels. Note for "switch status" logging - see SmartReader Plus 8
Range 4095 pulses/sample period
Accuracy +/- 1 pulse/sample period
Input Voltage Low = 0 to 0.5 volts DC
High = 4.5 to 24 volts DC
Input Impedance > 1.0 M ohm for Vin < 5V
> 4.0 K ohm for Vin > 5V
Min. Pulse Width 50% Duty Cycle:
Slow input: 2 milliseconds
Fast input: 10 microseconds
Maximum Frequency 100 KHz
Switch Inputs Input Type: Uncommitted ¡§dry¡¨ contacts (relay or switch)
Excitation: 5 microamps contact current
3.6 volts open circuit
Contacts: Sealed gold-plated recommended