Telog Hydrant Pressure Recorder

  • Investigating pressure complaints
  • Fire flow testing
  • Pressure loss tests
  • Calibrating hydraulic models
  • Monitoring system pressures
  • Hydrant capacity testing
  • High speed sampling to 20 s/s
  • HPR-32i Hydrant Pressure Impulse Recorder

In addition to performing the measurement and recording functions of the standard HPR-32 hydrant pressure recorder, the impulse recording option feature of the 32i units stores the waveform of captured transients. The HPR-32i can store up to 100 events of variable duration that may occur over many months of on-site monitoring, monitoring up to a maximum of 9 minutes of transient data at 32 samples/second.

Using Telog’s HPR-31 units for fire flow testing provides you with more accurate information than
you’ve ever had before. Because the HPR is always recording and time stamping data, the testing can
be performed and completed by one person. The testing procedure is based on guidelines in the
NFPA 14 and the AWWA M17 manuals, so you will be sure to meet regulation requirements.

Attach an HPR unit to the residual hydrant and an HPR unit with diffuser to the flow hydrant. Using
your Palm DTU, you will be able to do on-the spot pressure analysis. All data is stored in the Palm
for further viewing and analysis on your PC running Telogers for Windows software.

Pressure and flow data may be collected with your Palm DTU and transferred to your computer for
viewing and analysis in Telogers for Windows. Both the residual hydrant and the flow hydrant
data can be displayed simultaneously in Telogers software. You will be able to view a clear picture
of the entire flow test. The Palm DTU can also display the current pressure or flow data from an HPR.

Fire Flow Testing
•One person can do it all!
•Based on NFPA 14 and the AWWA M17 guidelines
•More accurate & reliable method than pitot gauges
•No exposed electronics — perform test in the rain