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CONTROS HydroC CH4 underwater methane sensor


 
General 
Product Name:CONTROS HydroC CH4 underwater methane sensor
Product Description:The CONTROS HydroC® CH4 sensor is a unique subsea / underwater methane sensor for in-situ and online measurements of CH4 partial pressure (p CH4). The versatile CONTROS HydroC® CH4 provides the perfect solution for the monitoring of background CH4 concentrations and for long-term deployments.
Area of application:
Year of initial development::
Year of latest version:
Field of Use:The versatile CONTROS HydroC® CH4 provides the perfect solution for the monitoring of background CH4 concentrations and for long-term deployments.
Sensor type:Methane
Hardware/software requirements 
RAM memory [GB]:2
HD [GB]:0.2
Operating System:Win 7 32 Bit
Dedicated software:Y
Processor (CPU):
Software:CONTROS DETECT® incl. real-time data visualization, setting of sensor parameters, download data from internal data logger and sleep mode function
Power supply and communication 
Power supply min. [V]:12
Power supply max. [V]:30
Operating current [Amp]:
Output interface {eg. rs232}:RS-232C and RS-485
Output format {eg. ascii}:ASCII
Physical Properties  
Weight in air [kg]:12.5
Weight in water [kg]:5.5
Width [m]:0.136
Length [m]:0.528
Material:
Min. operating temperature [°C] :-2
Max. operating temperature [°C] :35
Max. operating depth [m]:3000
Mounting possibilities:ROV and AUV installation packages. Profiling and mooring frames.
CO2 sensor specifications 
CO2 sensor type:
Range [ppm]:
Accuracy [%]:
Resolution [ppm]:
Initial accuracy {±% of reading}:
Oxygen sensor specifications 
Oxygen sensor type:
Response time [sec]:
Range [μatm]:
Accuracy [μatm]:
Resolution [μatm]:
Initial accuracy {±% of reading):
Methane sensor specifications 
Methane sensor type:Dissolved CH4 molecules diffuse through a custom made thin film membrane into the internal gas circuit leading to a detector chamber, where the CH4 concentration is determined by means of Tunable Diode Laser Absorption Spectroscopy (TDLAS). Concentration dependent laser light intensities are converted into the output signal from calibration coefficients stored in firmware and data from additional sensors within the gas circuit.
Range [μatm]:0- 40,000
Accuracy [μatm]:2
Resolution [μatm]:0.001
Initial accuracy {±% of reading):3
Turbidity sensor specifications 
Turbidity sensor type:
Range [NTU]:
Accuracy [NTU or % of reading]:
Resolution [NTU]:
LED wave length min. [nm]:
PH sensor specifications 
pH sensor type:
pH reference sensor:
Range [pH]:
Accuracy [pH]:
Resolution [pH]:
Temperature compensation:
Pressure sensor specifications 
Pressure sensor type:
Range [bar]:
Line pressure Max [bar]:
Accuracy [% of span]:
Resolution [% of span]:
Drift [% for time]:
More information 
Distinguishable features:Analogue output: 0 V - 5 V. Internal data logger. External battery packs. ROV and AUV installation packages. Profiling and mooring frames. External pump (SBE-5T or SBE-5M). Easy deployment together with a CONTROS HydroFlash® O2.
 


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