OTT CBS Compact Bubbler Sensor

The OTT CBS Compact Bubbler Sensor is an accurate, compact, and easy-to-use bubbler sensor for surface water level monitoring.

Features

  • Meets and exceeds USGS guidelines for water level accuracy, and will not drift over time
  • 5 year expected life based on 1 minute intervals - no pump maintenance or lubrication required
  • Easy integration with NexSens data logging & telemetry products
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ImagePart#Product DescriptionPriceStockOrder
OTT CBS Compact Bubbler Sensor63.200.001.9.21 CBS standard accuracy bubbler for use with 2mm ID x 4mm OD tubing, 15m range
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OTT High Accuracy CBS 63.200.001.9.22 CBS high accuracy bubbler for use with 2mm ID x 4mm OD tubing, 15m range
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OTT Standard Accuracy CBS 63.200.001.9.24 CBS standard accuracy bubbler for use with 1/8" ID x 3/8" OD tubing, 15m range
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OTT High Accuracy CBS 63.200.001.9.25 CBS high accuracy bubbler for use with 1/8" ID x 3/8" OD tubing, 15m range
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OTT Standard Accuracy CBS 63.200.001.9.23 CBS standard accuracy bubbler for use with 2mm ID x 4mm OD tubing, 30m range
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OTT Standard Accuracy CBS 63.200.001.9.26 CBS standard accuracy bubbler for use with 1/8" ID x 3/8" OD tubing, 30m range
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ImagePart#Product DescriptionPriceStockOrder
OTT EPS 50 Surface Water Bubble Chamber 55.510.065.3.2 EPS 50 surface water bubble chamber with 1" NPT, for use with 2mm ID x 4mm OD tubing
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OTT EPS 50 Bubble Chamber 55.510.064.3.2 EPS 50 surface water bubble chamber with 2" NPT, for use with 1/8" ID x 3/8" OD tubing
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OTT Bubbler Measuring Tube 99.420.050.9.5 Measuring tube, 2mm ID x 4mm OD, 50m
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OTT 100m Measuring Tube 99.420.100.9.5 Measuring tube, 2mm ID x 4mm OD, 100m
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OTT Stilling Well Bubble Chamber 55.510.051.4.2 Stilling well bubble chamber, for use with 2mm ID x 4mm OD Kevlar tubing
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OTT 50m Measuring Tube with Kevlar Core 99.420.009.9.5 Measuring tube with Kevlar support line, 2mm ID x 4mm OD, 50m
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OTT 100m Measuring Tube with Kevlar Core 99.420.008.9.5 Measuring tube with Kevlar support line, 2mm ID x 4mm OD, 100m
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The OTT CBS Compact Bubbler Sensor with EPS 50 Bubble Chamber accurately measures surface water level for new or existing stream gauges. The instrument's compact design and low power consumption make it a great solution for solar charged applications. The sensor will not drift over time and does not require desiccant, eliminating the need for periodic site visits. At a 1 minute sampling interval, the CBS has a 5-year expected life before routine maintenance or lubrication is required.

The sensor features an intelligent pumping strategy that compares the previous measurement to the actual pressure at the current measurement. This optimizes pumping time and provides extremely high accuracy that meets and exceeds USGS guidelines of +/-0.01 ft accuracy. All calibration data is stored on the pressure cell, so field replacement can easily be accomplished as needed.

The CBS features a plug-and-play interface to NexSens iSIC data loggers via SDI-12 digital output. Data collection options include direct-connect, landline phone, cellular, radio, Ethernet, WI-FI, and satellite telemetry. Each iSIC data logger simultaneously supports 8 analog inputs & 4 digital inputs for multi-sensor data logging capability. NexSens iChart Software is a Windows-based program for interfacing both locally (direct-connect) and remotely (through telemetry) to an iSIC data logger or network of data loggers.
  • Measuring Range: 0-50 ft (0-15 m)
  • Accuracy (Standard): +/-0.02 ft from 0 to 50 ft
  • Accuracy (High Accuracy): +/-0.01 ft from 0 to 15 ft
  • Resolution: 0.003 ft / 0.014 psi
  • Units: ft, psi, m, bar
  • Measuring Interval: 1 min to 24 hr
  • Maximum Rate of Level Change: 3 ft/min
  • Output: SDI-12 or 4-20mA
  • Power Supply: 10-30 VDC
  • Power Consumption: 15 min interval - 25 mAh/day; 1 min interval - 320 mAh/day
  • Compatible Tubing: 1/8", 2 mm or 4 mm ID
  • Temperature Range: -4 to 140 F (-20 to 60 C)
  • Dimensions: 6.5" x 8.1" x 4.6" (L x W x H)
  • Weight: 3.3 lbs.
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