IF-05 type water measuring weir meter

1 characteristic

·Using a full quantity photoelectric switch rotary encoder as a sensor, with fully digital output

·Stable and reliable performance, no temperature drift, time drift, and resistance to strong electromagnetic interference. Even when powered on after a power outage, the measurement data remains accurate

·High resolutionISO/DISInternational standard recommended digital head observation sensor

·configurableRS485/232Communication interface or4-20mACurrent loop output interface, directly connected to communication machines and computers for networking

·High reliability and long lifespan (the lifespan of the non-contact photoelectric switch rotary encoder can reach)1010000 hours)

2 applications

IF-05The digital weir head measurement sensor uses a standard type of flow measurement building, the Pasher water tank “V”Type channel, other weir channels, and their stable water level----An instrument used to measure water level and calculate flow rate based on flow relationship. It can be used in conjunction with various types of flow measurement buildings to measure dam seepage and real-time detection and measurement of flow for water environmental monitoring, sewage measurement, hydrological investigation, etc.

The output data of the water level sensor is directly transmitted toPCComputers are used to calculate, display, and record water level and flow parameters. On a shielded twisted pair cable, it can be connected simultaneously32A built-in oneRS485The water level sensor with output function realizes computer group measurement and computer processing.

This type of instrument has extremely high sensitivity and resolution (water level measurement resolution is0.5mmOr higher), with stable and reliable performance, no temperature drift, overcoming the disadvantages and shortcomings of poor reliability of input type water level sensors and ultrasonic flow meters.

3 Structure and working principle

IF-05The digital water level sensor consists of a photoelectric switch rotary encoder, measuring wheel, float, measuring cable, balance hammer, static water well, protective cover, etc. The encoder is a fully variable photoelectric switch rotary encoder with ultra-low torque. Its encoding component is a stainless steel encoder, and the reading element is an imported high-quality photoelectric switch,The measuring wheel on its axis is suspended with a measuring cable, float, and balance hammer. The float, measuring cable, and balance hammer are all made of stainless steel and corrosion-resistant plastic, with good mechanical properties and environmental adaptability. The static water well of the sensor has a diameterΦ100mm-Φ120mmThe stainless steel fine logging tool is easy to install and can work for a long time in heavily polluted and highly corrosive waterways.

The rotary encoder is installed at the upper end of the static water well, which is installed in the measuring weir groove. When the water level in the weir tank changes, the float in the still water well can drive the measuring cable to drive the measuring wheel and the photoelectric switch to rotate the encoder, outputting a corresponding output to the water level9-15bitGray code encoded data. The range of the water level sensor is0-250mm、0-500mm、0-1000mm，0-2000mmWait, it can be used with various types of sinks to achieve monitoring of different flow rates.

The water level sensor of the open channel flowmeter, together with the static well, can also be installed on the shore and connected to the measuring tank through a connecting pipe for use.

4 Main technical parameters of instruments and sensors

4.1 Main technical parameters of water level sensor

Range:0-250mm、0-500mm、0-1000mm、0-2000mm；

Resolution:1mm；

Measurement accuracy:

Output code: Gray code9bit-15bit；

Output format:OCThe door,30mA/30VDC；

Power Supply:12V/24V DC；

Communication interface:RS485(optional)4-20mA(optional);

Temperature range:-25℃～ +80℃；

Relative humidity:95％（40℃）；

Sensor size: Φ90×100；Φ90×70；

Logging size: Φ100～Φ120.