Float type level sensors are distinguished by their compactness. Many models can be operated in aggressive liquids. They are designed for high density environments. Float-type sensors are used in reservoirs, fire tanks, and pits. The average model costs around 2 thousand rubles. In order to get acquainted with the device in more detail, it is necessary to consider its device.
Model device
The main element of the float-type level sensor is the meter head. Cable entry is most often made with a hermetic lining. Seals in devices are used both plastic and silicone type. The landing flange of the models has special holes. The connection cable is located at the bottom of the device. Under the meter head there is a compact insulating platinum. The load capacity of the device depends on the type of output contact.
How to do it yourself
Making float water level sensors with your own hands is quite simple. ATFirst of all, you need to prepare a tube of small diameter. Then a head is selected for her. The sealant in this case must be used with a small thickness. Most often, plastic rings are selected. Further, to make a level sensor (float) with your own hands, you need to fix the insulating plate in the tube. The cable entry is connected last. It is more expedient to install resistance contacts at the top of the device. To improve the sealing of the model, a rubber plug is suitable.
ARS models
The specified sensor is most often used in water bodies. In this case, the measuring head is used with a small diameter. According to the documentation, the load capacity of the model is 1 A. The cable entry in the device is sealed. The seal at the level sensor is made entirely of plastic. The switching differential of the device is at 45 degrees.
The body of the model is very compact. The output contact is open type. The model does not have an IS barrier. The specified water level sensors in the tank (float type) withstand the maximum pressure of 3 bar. You can buy it at a price of 2 thousand rubles.
Sensors "Crystal"
This float level sensor for aggressive media stands out for its compactness. The maximum pressure the system can withstand is 3.3 bar. The measuring head has a diameter of 2.3 cm. The cable gland is used with a plastic seal. The ring in this case is installed with a clamp. Also importantnote that the differential resistance of the device is at 40 degrees. It has an intrinsic safety barrier. The user is able to purchase this level sensor at a price of 2400 rubles.
Burkle devices
The specified sensor is used for sedimentation tanks and open reservoirs. The measuring head is used with a small diameter. The maximum pressure parameter does not exceed 4.1 bar. The load capacity of the specified level sensor is 1 A. The maximum allowable temperature of the device is 170 degrees. The ring in it is used with a clip.
The mounting flange is installed with special holes. The maximum allowable density of the liquid is 3 kg per square meter. see The output contact in the device is an open type. If you believe the documentation of the equipment, then the degree of protection is provided with the IP68 marking. You can buy the indicated level sensor for 2300 rubles.
Description of Fine Tek model
These level probes and float switches are suitable for harsh environments. The device is used not only in pits, but also in wells. The compact dimensions of the device allow it to withstand high pressure. The load capacity of the presented level sensor is at the level of 2 A.
The diameter of the meter head is exactly 2.5 cm. The cable entry of the model is installed with a special seal. According to the documentation for the device, it is made of plastic. The landing flange is used with a large diameter. It is also important to note that the device has a fuel probe. It is located directly under the head of the meter. The plug on this model is made of silicone. The indicated level sensor costs around 2400 rubles.
Wilo float devices
This level sensor (float) is mainly used in open waters. For an aggressive environment, it is not unambiguously suitable. The head of the meter has a small diameter. The output cable of the device is located under the protective ring. If we talk about the parameters, it is important to note that the maximum allowable temperature is 140 degrees.
The output contact in the device is set to open type. The maximum pressure indicator does not exceed 2 bar. The switching angle of the level sensor is 12 degrees. The connecting cable for the model is made with a seal. The direct insulating plate is made of silicone. The switching differential is only 30 degrees. This level sensor is not suitable for swimming pools. You can buy the device at a price of 1900 rubles.
Varma model parameters
This float switch can be used in high density liquids. The cable entry of the model is of a two-core type. The diameter of the meter head is exactly 2.3 cm. The seal in the presented level sensor is made entirely of plastic. The model has an elongated tube. The fuel probe at the device is located under the meter head.
The maximum allowable temperature is 230 degrees. The output contact is closed type. The maximum density of the liquid is 4 kg per sq. cm. The guide post is available with a diameter of 2.3 cm. This level sensor does not have a fuel probe. The user is able to purchase the specified modification at a price of 2700 rubles.
Float type Optima
This liquid level sensor (float) is used in fire tanks and reservoirs. A distinctive feature of the model is a large landing flange. The ring in this case is installed with a clamp. The diameter of the meter head is exactly 2.5 cm. The seal in the presented level sensor is made of plastic. The plug is not provided by the manufacturer.
The maximum overpressure of the device is at the level of 3 kg per sq. see The load capacity of this level sensor does not exceed 2 A. According to the manufacturer, the degree of protection is marked IP68. You can buy this level sensor for 2100 rubles
Nivelco float sensors
This level sensor (float) is made for wells and pools. The seal of the model is made of ordinary rubber. The specified sensor cannot serve for a long time. However, the low cost of the product should be taken into account. If we talk about the design features of the level sensor, it is important to note that its ring is located above the clamp. In this case, the diameter of the mounting flange is 3.4 cm.
Directly the fuel probe is located under the meter head. The guide post in the device is short. Switching anglemodels - 13 degrees. The load capacity indicator does not exceed 2 A. The system withstands a maximum pressure of 3 bar. The spark protection barrier is provided in the device. The user is able to purchase this level sensor at a price of 2 thousand rubles.
Rover floats
This level sensor (float) is usually used in swimming pools. However, it is also suitable for open waters. Directly, the head of the meter is used in an oblong shape. The cable entry of the presented model is installed with a protective ring. The landing flange is installed with a diameter of exactly 2.5 cm. The fuel probe is not provided for the model. If we talk about the parameters of the device, it is important to note that the maximum pressure is 2 bar. The load capacity index does not exceed 1 A.
The maximum allowable temperature is 230 degrees. The switching angle in this case is at around 33 degrees. The output contact of the level sensor is set to open type. The switching differential is 10 degrees. The plug in the device is located in the upper part of the case. In total, the model has two resistance contacts. You can buy this level sensor for 2 thousand rubles.
Jhcool level sensor description
This level sensor (float) is suitable for use in wells and pools. It is very compact in size. Directly, the head of the meter is installed together with the seal. It is made entirely of rubber. The mounting flange is locatedon a special ring. The connecting valve is located at the bottom of the structure. A stub is not provided in this case. It is also important to note that the model has one resistance contact. The load capacity of the level sensor does not exceed 1 A.
The maximum pressure is at 4 bar. For an aggressive environment, the presented instance is not suitable. It is also important to note that the model has a small switching angle. The minimum overpressure does not exceed 1 kg per sq. see Connecting cable in the device is a two-wire type. You can buy this level sensor for 1800 rubles.
