SmartReader Plus 9

ACR Systems
$1,090.00 USD
Unit price per




Ideal for easy counting and recording of switch contact closures and voltage pulses. 

Typical applications include:

  • Monitoring fluid and air flow
  • Shaft RPM
  • Wind speed

Key Features:

  • Equipped with two external inputs for externally generated pulse signals and dry contact switch contact closures
  • Network up to 10 various SRP data loggers
  • Can be calibrated to NIST standards.


Accuracy +/- 1 pulse/sample period
Input Impedance greater than 1.0 M ohm for Vin less than 5V
greater than 4.0 K ohm for Vin less than 5V
Input Voltage Low = 0 to 0.5 volts DC
High = 4.5 to 24 volts DC
Maximum Frequency 100 KHz
Min. Pulse Width 50% Duty Cycle:
Slow input: 2 milliseconds
Fast input: 10 microseconds
Range 4095 pulses/sample period
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
Warranty 3 – years


Software & Interface Cable are required for full functionality of the product.

Weatherproof Box


ACR softwares are powerful, easy and intuitive that opens a window into the analysis of your data collected. Data can be viewed in various formats and presentation quality graphs can be exported into any WORD program. The software provides electronic records for a reduced paper trail.

TrendReader Full License TrendReader Interface Pkg TrendReader on USB Full


For a product sheet, please click below for a pdf version.

Product Sheet

A link to the Manual is available by clicking on the link below.

SmartReader Plus Manual

Knowledge Base

Click here to visit our NEW Q&A pages.

Technical assistance is free for the life of the product. To speak with a member of our Support Team:

Call toll-free @ 1-800-663-7845 or email:

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