Float-type level sensors are compact. Many models can be operated in aggressive liquids. They are designed for high density media. Float type sensors are used in ponds, fire tanks, and pits. An average model costs around 2 thousand rubles. In order to become more familiar with the device, it is necessary to consider its device.
Device model
The main element of the level sensor of the float type is the head of the meter. 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 connecting cable is located at the bottom of the device. Under the head of the meter 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. First 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. Next, to make a level sensor (float) with your own hands, you need to fix the insulating plate in the tube. Cable entry is the last to be connected. It is more advisable to install resistance contacts in the upper part of the device. To improve the sealing of the model, a rubber plug is suitable.
APC models
The indicated sensor is most often used in water bodies. In this case, the head of the meter 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 case of the model is very compact. The output contact is open type. The model has no spark protection barrier. The maximum pressure indicated water level sensors in the tank (float type) withstand 3 bar. You can buy it at a price of 2 thousand rubles.
Sensors "Crystal"
The specified float level sensor for aggressive environments stands out for its compactness. The system withstands maximum pressure at 3.3 bar. The head of the meter has a diameter of 2.3 cm. The cable entry is used with a plastic seal. The ring in this case is installed with a clip. It is also important to note that the differential resistance of the device is at 40 degrees. The spark protection barrier is provided in it. 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 meter 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 landing flange is installed with special holes. The maximum allowable fluid density is 3 kg per sq. see. The output contact in the device is open type. If you believe the documentation of the equipment, then the degree of protection is provided with the marking IP68. You can purchase the specified level sensor for 2300 rubles.
Fine Tek Model Description
These level sensors and float switches are suitable for aggressive environments. The device is used not only in pits, but also in wells. The compact size of the device can withstand high pressure. The load capacity of the presented level sensor is at 2 A.
The diameter of the meter head is exactly 2.5 cm. The cable entry for the model is installed with a special sealant. If you believe the documentation for the device, then 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 immediately under the head of the meter. The cap on this model is made of silicone. The specified level sensor is in the region of 2400 rubles.
Wilo Float Devices
This level sensor (float) is mainly used in open water. For an aggressive environment, it does not fit unambiguously. 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 open. The maximum pressure 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 sealant. The directly insulating plate is made of silicone. The switching differential is only 30 degrees. For pools, this level sensor is not suitable. You can purchase the device at a price of 1900 rubles.
Varma Model Parameters
This float level sensor can be used in high density liquids. The cable entry for the model is used in a two-wire type. The diameter of the head of the meter is exactly 2.3 cm. The seal in the level sensor presented is made entirely of plastic. The handset of the model is elongated. The fuel probe at the device is located under the head of the meter.
The maximum allowable temperature is 230 degrees. The output contact is closed. The maximum fluid density is 4 kg per square meter. see. The guide column is available with a diameter of 2.3 cm. There is no fuel probe for this level sensor. The user is able to purchase the specified modification at a price of 2700 rubles.
Optima Float Models
This liquid level sensor (float) is used in fire tanks and ponds. A distinctive feature of the model is a large landing flange. The ring in this case is installed with a clip. The diameter of the head of the meter is exactly 2.5 cm. The seal in the level sensor presented 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 square meter. 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 in the model is made of ordinary rubber. The specified sensor cannot last for a long time. However, the low cost of the goods should be considered. If we talk about the design features of the level sensor, it is important to note that his ring is located above the clamp. In this case, the diameter of the landing flange is 3.4 cm.
Directly the fuel probe is located under the head of the meter. The guide stand in the device is meek. The switching angle of the model is 13 degrees. The load capacity indicator does not exceed 2 A. The system withstands maximum pressure at 3 bar. An intrinsic protection barrier is provided in the device. The user is able to purchase this level sensor at a price of 2 thousand rubles.
Rover Float Devices
This level sensor (float) is used, as a rule, in pools. However, it is also suitable for open water bodies. Directly, the head of the meter has an elongated shape. The cable entry for the presented model is installed with a protective ring. The landing flange is installed exactly 2.5 cm in diameter. A 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 indicator of load capacity 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 open. The switching differential is 10 degrees. The plug in the device is located in the upper part of the housing. 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 with the sealant. It is made entirely of rubber. The landing flange is located on a special ring. The connecting valve is located at the bottom of the structure. The plug 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 indicator is at around 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. The connecting cable in the device is installed in a two-wire type. You can buy this level sensor for 1800 rubles.