OTT Orpheus Mini Pressure Sensor and Logger

Robust, reliable, and truly easy-to-use. The OTT Orpheus Mini is the only ceramic cell pressure and temperature sensor that fits into a 1” well.

 

Features:

  • Easy-to-use
  • Ceramic pressure cell provides industry-leading accuracy
  • Robust and reliable in any environment
  • Long-term deployments or high frequency pump studies
  • Compact and complete

Benefits:

  • Infrared interface, batteries, and desiccant cartridges are easily accessible at the well cap with no tools required
  • Simple installation in 1" wells, plus convenient adapter plates for larger diameter wells
  • Intuitive programming and data download using either a laptop or a PDA
  • Log temperature and pressure at independent intervals
  • Perform contact gauge control measurements without removing the Orpheus Mini, so no need to pull the cable for routine maintenance
  • Ceramic pressure cell, unlike membrane technology, will not deform over time providing long term measurement stability
  • Complete and automatic compensation for temperature, density of water, and barometric pressure
  • Kevlar reinforced cable will not stretch over time, even at lengths up to 200 meters
  • Maintenance is simple—especially compared to the membrane of a silicon strain sensor
  • 4 MB of memory provides capacity for over 500,000 data points—ideal for long-term deployments OR short-term, high resolution pumping studies
  • Powered for over 18 months with off-the-shelf alkaline batteries (over 5 years with lithium batteries)!

Product Data:

Specs  
Pressure  
   
Measuring Ranges: 0-4 m (0-13 ft), 0-10 m (0-33 ft), 0-20 m (0-66 ft), 0-40 m (0-130 ft) water column
Resolution: 0.01 % FS
Accuracy:  0.05 % FS
Temperature-
Compensated
Working Range:
–5 to 45°C (23 to 113°F) ice-free
   
Temperature  
Measuring Range: –25 to 70°C (-13 to 158°F) ice-free
Resolution: 0.1°C
Accuracy: ±0.5°C
     
 
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