Evaporation Sensor

1.Working principle of Evaporation Sensor

Evaporation Sensor uses high-precision weighing or pressure sensing technology to accurately measure the evaporation rate by measuring the change in water level in the evaporation dish.Using the pressure measurement principle, the evaporation amount is measured by measuring the weight change of the liquid in the evaporation dish and then calculating the page height.It can adapt to water surface evaporation measurements in various environments, and is not affected by liquid freezing.It overcomes the disadvantages of inaccurate measurements when measuring liquid surface height using ultrasonic principles, easily damage sensors when there is no water, and low measurement accuracy.

2.Scope of application of Evaporation Sensor

The water surface evaporation sensor is a sensor used to sense the changes in the water surface evaporation amount.It can observe the changes in water surface evaporation over different time periods.It is suitable for meteorological observation, plant cultivation, seed cultivation, agriculture and forestry, geological survey, scientific research and other fields.

It can be used in conjunction with automatic water refueling devices, data acquisition and sending devices, etc.to realize automatic monitoring of the evaporation process, or in combination with data acquisition and storage devices (recording instruments), to realize automatic storage of evaporation data, and can also be used in conjunction with rain sensors, data acquisition and sending devices, etc.to realize automatic observation and remote transmission of evaporation and rainfall processes.

3.Functional features of Evaporation Sensor

1.It can prevent evaporation errors caused by direct sunlight, and has higher measurement accuracy values than products in the same industry, and has a faster response speed;

2.The whole machine is made of 304 stainless steel, which is corrosion-resistant, rust-free, has a beautiful appearance, and ensures the service life of the sensor;

3.Pressure measurement principle, using high-precision weighing principle to measure the weight change of the liquid in the evaporating dish, calculate the liquid level height, so as to measure the evaporation amount, the measurement is more accurate and the data is more scientific;

4.Double-layer protection design structure.This product adopts double-layer stainless steel design, which can isolate external interference and make the measurement results more accurate;

5.Power on again after the power outage, and the output data is still correct;

4.Evaporation Sensor working and storage conditions

Working temperature: -40~85°C

Working humidity: 0～100%RH

Storage humidity: <80% (no condensation)

5.Evaporation Sensor Technical Parameters

Supply voltage: 12V DC

Measuring range: 0~190mm

Measurement accuracy: ±1%

Signal output: 485 Modbus-RTU

Response time: 200ms

Inner barrel diameter: φ200mm

Protection level: IP66

6.Evaporation Sensor product size diagram

7.Evaporation Sensor installation guidance

1.Installation location selection instructions

The installation location of the equipment should be above the ground and should be installed on a cement base to prevent rainwater from flooding the chassis and pouring back into the equipment, causing equipment short circuits or line failures.

2.Installation steps

Unbox the product, place the shell, inner liner, and base on a horizontal floor to prepare for installation.The installation steps are as follows:

A Remove the bottom top wire

B Place the inner liner on the base tray

C Cover the housing on the base chassis

D Rotate the shell to align the bolt hole at the bottom of the shell with the bolt hole at the base tray and then insert the bolts and tighten them.

E Fix the assembled equipment on a pre-made cement base