OdaLog® Type L2

OdaLog<sup>®</sup> Type L2
The OdaLog® has been specifically designed to withstand harsh environments typically found in the Wastewater Industry.

The OdaLog® is primarily used by locating it at or close to the source of Hydrogen Sulphide emissions such as within sewerage pumping stations and receiving manholes.

Its purpose is to monitor gas levels to help control H2S gas in sewerage systems and treatment plants for later review and evaluation using the free-to-download OdaStat-G software.

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Key Features

  • Specially designed for harsh wastewater environments
  • Longer battery life (up to 12 months)
  • Simplifies record management
  • Real time data
  • Easy to read display
  • Fast and easy data access by Bluetooth®
  • Certified intrinsically safe
  • Two different types of sensors: LL (Long Term) Sensor or SL(Standard) Sensor

Typical Applications

  • Gas monitoring in manholes, drains and pits
  • Odour monitoring in sewer and streaming water
  • Ventilation pipes and rising mains
  • Inside sewer collection lines
  • Selected areas in treatment plants
  • Asset management and odour control


Model Gas Part Number Range Resolution Accuracy
(Full Scale)
(@ 20ppm gas, STP)
Long Term Logger (LL) H2S Hydrogen Sulphide ODALLBT-H2S-1000 0-1000 ppm 1 ppm 1% Full Scale ± 2ppm
ODALLBT-H2S-200 0-200 ppm 0.1 ppm 1% Full Scale
Standard Logger (SL) H2S Hydrogen Sulphide ODASLBT-H2S-2000 0-2000 ppm 1 ppm 2% Full Scale
ODASLBT-H2S-1000 0-1000 ppm 1 ppm 1% Full Scale
ODASLBT-H2S-200 0-200 ppm 0.1 ppm 1% Full Scale
ODASLBT-H2S-50 0-50 ppm 0.1 ppm 4% Full Scale
SL CO Carbon Monoxide ODASLBT-CO-1000 0-1000ppm 1 ppm 2% Full Scale
SL SO2 Sulphur Dioxide ODASLBT-SO2-50 0-50 ppm 0.5 ppm 10% Full Scale
SL NO Nitric Oxide ODASLBT-NO-100 0-100 ppm 1 ppm 2% Full Scale
SL NO2 Nitrogen Dioxide ODASLBT-NO2-50 0-50 ppm 0.1 ppm 4% Full Scale
SL Cl2 Chlorine ODASLBT-CL2-20 0-20 ppm 0.1 ppm 10% Full Scale
SL HCN Hydrogen Cyanide ODASLBT-HCN-30 0-30 ppm 0.2 ppm 6% Full Scale
SL NH2S Ammonia ODASLBT-NH3-100 0-100 ppm 1 ppm 10% Full Scale

NOTE: STP = Standard Temperature and Pressure: 20˚C (68˚F) @ absolute pressure 101.3 kPa (14.7 psi)

Related products

OdaTrak™ 4-20mA Adapter

The OdaTrak™ 4 to 20mA adapter was primarily designed as an interface between the OdaLog® gas Logger and industrial control systems for the purpose of continuous, real-time optimisation of chemical dosing odour control systems and connection to telemetry and other systems.

OdaLog® Dry Dock

The OdaLog® Dry Dock reduces recovery time for the OdaLog L2 and RTx by half. This speeds up the downtime and allows odour control engineers to re-deploy the OdaLogs back into the sewer sooner.



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