The SRP4 LPD logger is ideal for verifying pressure in hospital cleanrooms or other critical care facilities.
SKU: 01-0310
$925.00 USD

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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
+/- 0.1” 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


Click here to visit our NEW Q&A pages.


Data loggers are often used in highly regulated environments such as food and pharmaceutical production and storage where strict safety regulations apply. Regulatory agencies generally require proof of calibration.

ACR calibrations are performed using reference standards that have been calibrated and are traceable to the US National Institute of Standards & Technology (NIST). This ensures that all ACR data loggers meet, and perform to, their published specifications, allowing you to be confident that they will assist you in achieving your compliance requirements.

Calibration certificates are provided with every calibration we perform. ACR Systems is an ISO 9001:2015 registered company and calibration records are kept as part of our quality system and can be made available for customer audits.

Calibration Service
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