SmartReader Plus 4 LPD

ACR Systems
$799.00 USD
Unit price per




The SRP4 LPD logger is ideal for verifying pressure in hospital cleanrooms or other critical care facilities.

Typical applications include:

  • Monitor and validate cleanrooms in hospitals or other critical care facilities
  • Monitor air duct differential pressure.
  • Commissioning HVAC systems

Key Features:

  • Two internal channels record temperature and differential pressure
  • Network up to 10 various SRP data loggers
  • Can be calibrated to NIST standards


Accuracy: Calibrated:
+/- 0.05” for 0.5”, 1.0” and 2.0” ranges
+/- 1.0” for 5.0” and 10.0” ranges
+/- 0.5% FS (over compensated range)
Hysteresis & Repeatability: +/- 0.05% FS (typical)
Long-Term Stability: +/- 0.5% FS
Media: Non-corrosive gases and dry air
Non-linearity: +/- 0.05% FS (best fit straight line)
Pressure Ranges: +/- 125Pa (0.5inWC)
+/- 250Pa (1.0inWC)
+/- 500Pa (2.0inWC)
+/- 1.25kPa (5.0inWC)
+/- 2.5kPa (10inWC)
Resolution: < 2.5Pa (0.01inWC)
Sensor Type: Silicone piezoresistive strain gauge
Warranty: 3 – years


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

1/4" hose - high pressure 1/4" hose - standard pressure 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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