KUS650 Series Ultrasonic Level / Distance Sensor

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Xi'an Kacise Optronics Tech Co., Ltd.

Shaanxi, China

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Product overview of Distance Sensor
KUS650 series intelligent wireless digital wireless liquid level/level sensor is an intelligent digital display product with high precision and high stability introduced by our company. Suitable for real-time measurement and display of liquid level/material level. This product adopts a special wide temperature liquid crystal display, and high stability sensor, and is carefully manufactured through precise digital temperature compensation and nonlinear correction technology to ensure the high precision and high stability of liquid level/level measurement. The built-in wireless module uses the network to provide users with wireless long-distance and low-power data transmission and sends all the status data of the sensor to the cloud background management server in real time to realize alarm linkage and data statistical analysis with the smart cloud platform.

Technical parameters

Enter
Measured variable Liquid	level, material level
Maximum measurement range	1.2-30m (can be customized according to demand)
Output
Comprehensive accuracy	±0.15%FS/ 0.15℃
Temperature compensation	-10℃～70℃
Vibration effects	< ± 0.05%/g, 500Hz in all directions (according to IEC 68-2-64)
Rated conditions environmental conditions
Ambient temperature	-25～ 85℃
Storage temperature	-40～ 85℃
Protection class	IP68， according to EN 60529
Electromagnetic Compatibility	EN 61326/A2 Annex A (2001)
Display and control
Display	SFTN liquid crystal, white backlight, 5-digit display.
Limit	value Free setting
Parameter	setting Use 3 buttons
Unit	The unit is mm, and the default unit is m.
Weight	about 1.35kg
Materials of non-wetted parts
Joint	1NPT, stainless steel, length 20mm (material and joint specifications can be customized according to customer requirements).
Electrical connection	Make waterproof connector, and air vent cable entry according to EN 175301-803A standard
Measurement period	≤ 100ms

Precautions: If you need to calibrate the instrument, please contact our company. Non-professionals are not allowed to calibrate the instrument. When calibrating the watch, please turn on the watch first, and then calibrate it after 1 hour of constant temperature.
Parameter setting
Spend time setting
Opcode: 2121 units (minutes)
In the measurement state, press the “M” key, and it will display “-COd-“; press the “M” key to confirm, and it will display “00000”, the units digit flashes, press the “up and down” key to adjust to “2121”; press the “M” key to confirm, Display “S_TIM”, press “M” key, display “00000” (the last set value,), set the value (range 1) by “up” key (data left shift key) and “down” key (data increase key) ~09999), after the adjustment is completed, press the “M” key to confirm and save.
Collection time interval setting
Opcode: 2122 units (seconds)
In the measurement state, press the “M” key, and it will display “-COd-“; press the “M” key to confirm, and it will display “00000”, the units digit flashes, press the “up and down” key to adjust to “2122”; press the “M” key to confirm, Display “S_FrE”, press “M” key, display “00000” (the last set value,), set the value (range 1～09999) by “up” key and “down” key, press “M” after adjustment is completed key to confirm saving.
Data upload method setting
Opcode: 2124
In the measurement state, press the “M” key, and it will display “-COd-“; press the “M” key to confirm, and it will display “00000”, the units digit flashes, press the “up and down” key to adjust to “2124”; press the “M” key to confirm, Display “S.MOdE”, press “M” key, display “last set value”, use “up” key and “down” key to set after adjustment is completed, press “M” key to confirm and save.
Alarm interval time setting
Opcode: 2125 units (minutes)
In the measurement state, press the “M” key, and it will display “-COd-“; press the “M” key to confirm, and it will display “00000”, the units digit flashes, press the “up and down” key to adjust to “2125”; press the “M” key to confirm, Display “S_ErT”, press “M” key, display “00000” (the last set value,), set the value (range 1～09999) by “up” key and “down” key, press “M” after adjustment is completed key to confirm saving.
Liquid level/level alarm upper limit setting
Opcode: 2311
In the measurement state, press the “M” key, and it will display “-COd-“; press the “M” key to confirm, and it will display “00000”, the units digit flashes, press the “up and down” key to adjust to “2311”; press the “M” key to confirm, Display “Ad1H”, press “M” key to set the upper limit alarm value, set the value by “up” key and “down” key, “Ad1F” alarm upper limit hysteresis value, “Ad1d” alarm upper limit delay, all adjustment Press the “M” key to confirm saving when finished.
Liquid level/level alarm lower limit setting
Opcode: 2312
In the measurement state, press the “M” key, and it will display “-COd-“; press the “M” key to confirm, and it will display “00000”, the units digit flashes, press the “up and down” key to adjust to “2312”; press the “M” key to confirm, Displays “Ad2H”, press the “M” key to set the upper limit alarm value, use the “Up” and “Down” keys to set the value, “Ad2F” alarm upper limit hysteresis value, “Ad2d” alarm upper limit delay, all adjustments Press the “M” key to confirm saving when finished.
Instrument zero calibration
Opcode: 1000
In the measurement state, press the “M” key, and it will display “-COd-“; press the “M” key to confirm, and it will display “00000”, the units digit flashes, press the “up and down” key to adjust to “1000”; press the “M” key to confirm, Display “bd_0” Press the “up and down” keys to select “NO (exit without calibration) or YES (calibration zero)”. Press the “M” key to confirm saving and exit.
Instrument zero point removal
Opcode: 1511
In the measurement state, press the “M” key, and it will display “-COd-“; press the “M” key to confirm, and it will display “00000”, the units digit flashes, press the “up and down” key to adjust to “1511”; press the “M” key to confirm, Display “CUTO”, press the “M” key, it will display “00000” (the last set value), use the “up” and “down” keys to set the value (range 1～29999), press “M” after the adjustment is completed key to confirm saving.
Meter offset setting
Opcode: 1510
In the measurement state, press the “M” key, and it will display “-COd-“; press the “M” key to confirm, and it will display “00000”, the units digit flashes, press the “up and down” key to adjust to “1510”; press the “M” key to confirm, Display “OFSET”, press “M” key, display “00000” (the last set value,), set the value (range -19999～29999) by “up” key and “down” key, press “M” after adjustment is completed ” button to confirm saving.
Communication methods
MODBUS communication
There are two types of MODBUS protocols: MODBUS-RTU (commonly used in China)
MODBUS-ASCII
The communication protocol of this instrument complies with the MODBUS-RTU communication protocol
Suppose the instrument parameters are: the instrument address is set to 1; the communication baud rate is 9600; the invalid check digit; the decimal point is 0; the unit is KPa;
Wireless communication (NB-IoT/4G/LoRa)
According to the different needs of users, wireless communication has different transmission methods and protocol contents. Please inquire for details.
Installation and maintenance of Distance Sensor
Installation
1) The instrument should be installed vertically and horizontally.
2) When using other instruments, pay attention to the matching of the range.
3) Before installing the digital meter on the device, check whether the meter head is clean. During use, the pipeline should be kept clean.
Maintenance of Distance Sensor
1) The instrument is a high-precision instrument and should be selected in a place with air circulation, easy observation, and easy maintenance and operation.
2) Although the digital sensor can exceed the range during use, long-term use will affect the accuracy of the measurement and may damage the meter. It is recommended that the user use the meter according to the range.
3) When the LCD screen of the wireless digital meter shows that the battery voltage is blank, please replace the battery to ensure the normal measurement.
Note: The rechargeable battery can only be charged, and the charging time is 3~4 hours.
Storage and transportation
The product should be stored at -40℃~ 80℃, with relative humidity, of not more than 90%, ventilated, dry, and non-corrosive gas warehouse.
The product, the certificate of conformity, and the instruction manual are packed in one package, and strong collision is strictly prohibited during transportation.

Weight 1.35 kg

Dimensions 20 × 20 × 20 cm

KUS650 series is used to indicate and monitor the changes in water pressure/water level value at the installation site, and upload the real-time data to the centralized management platform through the built-in wireless transmission module, which is convenient for users to manage intelligently and centrally. It is mainly used in the following industries:
Fire water system

City water supply
Sewage treatment

Long-distance heating
Food industry

Chemical, energy

◆Power: Two DC3.6V primary lithium sub-battery
◆Wireless transmit power: <23 dBm
◆Receive sensitivity: <-135 dBm
◆Theoretical bandwidth: 200Kbs
◆Support wireless transmission of alarm status to the server, configurable server address, and port
◆Using precise digital temperature compensation and nonlinear correction technology, wide temperature range, and full-scale precision compensation;
◆Multiple data type indication (percentage, output current display);
◆Special wide temperature LCD display (-30℃～80℃);
◆Provide a variety of power supply methods at the same time;
◆Vertical installation or axial installation, providing a variety of liquid level/level interfaces and interface materials;
◆ LCD with parameterization and three setting buttons.
◆According to user needs and site conditions, the collection frequency and collection time interval can be set.
◆Battery power monitoring, when the power is insufficient, the meter screen will flash and report to the centralized management platform at the same time.
◆Water pressure/water level alarm threshold can be set and modified according to actual needs.
◆Water pressure/water level alarm threshold automatically alarms.