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Digital measuring device for water usage of property and accuracy in billing of water consumption. 3 or 4 inches. Selective focus.
man turning switch valve
Personal H2S Gas Detector,Check gas leak. Safety concept of safety and security system on offshore oil and gas processing platform, hand hold gas detector.
Technician Checking Heating System In The Boiler Room With Tablet In Hand
Scientist used chemical solution and lab testing for water quality or ph meter in laboratory ,research and science concept
Indoor water meter used for measuring consumption of water in buildings/houses.
Monometers of different sizes on a light background.
Close up of water meter with rotating digit.
Technician is checking air conditioner ,measuring equipment for filling air conditioners.
House heating system
Closeup of a scientist's hand, checking gas from pressure gauge for a laboratory chromatography device during research.
Pressure gauge on an oxygen tank.
Two hands with a multimeter measuring the output voltage of a solar panel on  a roof.
View of hydrostatic test of pressure cylindrical tank or pressure vessel and safety valve (check valve) and manometer.
Tilt-Shift indoor top view close-up of a volumetric drinking water meter in a typical dusty and dirty Dutch indoor meter cupboard, reading the water usage in m3
Air Conditioning Repair, repairman holding monitor tool to check and fixed air conditioner system
Programming pressurized water softeners in a home shed
Steam Pressure Gauge on Steam Pipe Installations
Medical Oxygen Concentrator.
Air conditioner technician checking air conditioner operation
Cloese-up gas meter with numbers
Checking the water pressure in the system for analysis by an engineer. The engineer hold the  valve gate  to open water pressure  line to gauge measurment.
Factory Worker Checking Electrical Panel
Air Conditioning Repair, Repairman fixing air conditioning system
Veterinarian works at their own clinic
Modular variable area flowmeter closeup
Chemical plant equipment
Burst pipe. Water meter with leaking water.
Engineer in control room
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