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Datalogging Digital Gauges From KELLER Pressure

Source: KELLER Pressure, Inc.
25 November, 2025
Feature Image for Datalogging Digital Gauges From KELLER Pressure
The LEO Record combines a proven, high-accuracy digital pressure gauge with an integral data logger to provide the optimal solution for system pressure monitoring. IS-rated versions also available for applications in hazardous areas.

The LEO Record from KELLER Pressure combines a proven high-accuracy digital pressure gauge with an integral, programmable data logger to provide the optimal solution for water system pressure monitoring. This battery operated instrument is available in pressure ranges from 0…10mBar to 0…30,000 PSI, offers outstanding 0.1% FS TEB accuracy, and stores 57,000 data points. Intrinsically safe versions are also available for measurement applications in hazardous areas. 

The LEO Record interfaces with Keller’s PC-based software via USB for setup and data download. Downloaded data can be viewed graphically or in tabular form, and can be easily exported to popular s LEO Record is an autonomous battery powered instrument with digital display designed to record pressure and temperature over long periods. Both the piezoresistive LEO Record as well as the capacitive LEO Record (ideal for low pressure ranges) offer the following advantages:

  • High measuring accuracy, resolution and robustness
  • High data security due to the use of a non-volatile memory 
  • Display of the actual pressure and the record status 
  • Recording of the pressure and temperature  • Simple and well-structured configuration- and read-out software (Logger 5.x) for PC or PDA 
  • Combination of event-controlled recording and interval recording prevents unnecessary data being recorded 
  • (i.e. only measuring the pressure changes...) 
  • Installation data (and comments) of the measuring station can be stored in the instrument 
  • Pressure connection with G1/4" thread (other threads on demand) 
  • Intrinsically safe versions available 

Specifications:

Pressure Ranges – Relative 

  • -1...3 bar 
  • -1…10 bar 
  • -1…30 bar 

Pressure Ranges – Absolute 

  • 0...4 bar 
  • 0...11 bar 
  • 0...31 bar 
  • 0...61 bar 
  • 0...101 bar 

Pressure Ranges – Sealed 

  • 0...300 bar 
  • 0...700 bar 
  • 0...1000 bar 

Pressure Ranges: LEO Record CAPA 

  • 0...0.03 bar 
  • 0...0.1 bar 
  • 0...0.3 bar 

Total Error Band LEO Record (Ei): ± 0,1 %FS (0…50 °C) 

Total Error Band LEO Record (Ei) capacitive: ± 0,2 %FS (10…40 °C) 

Storage / Operating Temperature: -10…60 °C / 0…50 °C 

Protection: IP65

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