The DL TagTemp USB Stick or creditcard sitze NFC data logger from Müller Industrie Elektronik, Germany monitors the cold chains for sensitive foods, vaccines, medicines, …
- Inbuilt temperature sensor
- monitoring of boxes, refrigerators,sensitive items, agriculture, etc.
- data analysis via free software on the computer or smartphone
The primary measuring element of the flow meters is a flap, which is deflected by the flow of the medium. The deflection angle is a direct indication of the flow through the pipe.
In the KLA the flap is gravity-loaded, so that the device may be used for the flow directions left to right, right to left and bottom to top. In the variant KLA-GS the fluid is directly observed through a sight glass.
In the KFS the flap is spring-loaded, so that the device may be also used for the flow direction top to bottom.
Flap type Flowmeter Instruments
The float level indicator NA consists of a display part, a pipe and a float which are installed in the tank. The float is permanently connected via a connecting rod to the magnet holder in the display part. When the level in the tank rises, the float and the rod are forced upwards by the buoyancy force, and the filling level can be read from the display.
The level indicator NA-V4A operates on the principle of communicating vessels, and is mounted outside the tank. It is connected to the tank via a feed pipe and an overflow. When the filling level in the tank rises, it also rises in the measuring tube.
The float can easily move up and down in the conical measuring tube.
The vertical position of the float, obtained as a function of the flow velocity of the measuring media, is an indication of the flow rate.
This flow rate can be read directly on the scale of the measuring tube.
With increasing volume flow, the annular gap surface area A around the collar of the float increases (A2 > A1).
A differential pressure arises at a pipe constriction, which is proportional to the square of the flow rate through the pipe.The resulting differential pressure can be recorded with a meter and can be directly indicated as flow rate on a scale.