The
ACR SmartReader Plus 9 2-channel pulse
data logger 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 |
Ordering Information
| Model |
Memory |
Catalog # |
| SRP-009 |
32 KB |
01-0016 |
| SRP-009-128K |
128 KB |
01-0130 |
