Hydrogen sulfide meters
Pressure transmitters
Float switches
Alarm Units
Pump controls
Data loggers


Hydrogen sulphide meter

ACOWA CaNaRy is a unique hydrogen sulfide meter that can measure hydrogen sulfide in gaseous form at concentrations from 0-300ppm, and converts this to a standard 4-20mA signal.

CaNaRy is delivered fully calibrated and ready for installation with a 10m cable and does not need to be calibrated for the entire lifetime of the cell. The lifetime is expected to be 2 years minimum.

CaNaRy is designed in a robust design for installation in pumping stations and other sewage related applications.

CaNaRy is developed on the same principle as our TurTle pressure transmitter, with replaceable measuring cell and standard 4-20mA signal for easy data collection.

Sensor type Sure Cell
Size L = 235mm, W = 81mm
Weight 760g without cable
Wire connection Red = Supply, Green = Signal, Black = Screen
Cable length 10m, 15m or 30m.
Free fall drop 30 cm
Enclosure class IP65
Supply 24V DC (10V DC – 28V DC)
Max. overpressure 6 bar
Measuring range 0-300ppm
Measurement signal 4-20 mA
Resolution 0.25ppm
Largest diameter 81mm
Sensor housing Impact resistant PP (Fiberglass 30%)
Cable housing AISI 304
Cable clamp TPU
Cable material PUR
Max. operating temperature +50°C
Life expectancy 2 years in one – non-condensing relative humidity
Operating temperature -20°C to +50°C
Certificates CE
NOTE! CaNaRy cannot tolerate immersion into liquids.
CaNaRy is not EX-classified and therefore must not be installed in EX areas.


Item number Description
1772-2203001 CaNaRy Hydrogen sulfide measuring cell 0-300ppm / 4-20mA.
1772-2201010 Sensor housing for measuring cell with 10m PUR cable.
1772-2201015 Sensor housing for measuring cell with 15m PUR cable.
1772-2201030 Sensor housing for measuring cell with 30m PUR cable.

ACOWA CaNaRy is very flexible and can be used in
many different applications, such as:


Pumping stations

Sewage treatment plants

Measure wells

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