KUS650user's

one,product description

The KUS650 series of intelligent wireless digital wireless liquid level/material level sensors is a high-precision,high-stability intelligent digital display product launched by our company. Suitable for real-time measurement and display of liquid level/material level. This product uses a dedicated wide-temperature LCD display,a high-stability sensor,and is carefully manufactured through precise digital temperature compensation and non-linear correction technology to ensure high accuracy and stability of liquid level/material 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 sensor status data to the cloud background management server in real time to achieve alarm linkage and data statistical analysis with the smart cloud platform.

two,Product Features

◆Power supply: two sectionsDC3.6V disposable lithium sub-battery

◆Wireless transmission power:<23 dBm

◆Receiving sensitivity:<-135 dBm

◆Theoretical bandwidth: 200Kbs

◆Supports wireless transmission of alarm status to the server,and the server address and port can be configured

◆Using precision digital temperature compensation and nonlinear correction technology,wide temperature range and full range precision compensation;

◆Multiple data type instructions(Percentage,output current display)；

◆Dedicated wide temperatureLCDLCD display(-30℃～80℃)；

◆Provide multiple power supply methods at the same time；

◆Vertical installation or axial installation,providing a variety of liquid level/material level interfaces and interface materials;

◆With parameterizationLCDand three setting buttons.

◆According to user needs and on-site conditions,the collection frequency and collection time interval can be set.

◆Battery power monitoring,when the battery is low,the meter screen will flash and report to the centralized management platform.

◆The water pressure/water level alarm threshold can be set and modified according to actual needs.

◆Automatic alarm for water pressure/water level alarm threshold.

three,application

KUS650 seriesUsed to indicate and monitor the water pressure at the installation site/ The water level value changes,and the real-time data is uploaded to the centralized management platform through the built-in wireless transmission module,which facilitates intelligent centralized management by users. It is mainly used in the following industries:

• Fire water system • Urban water supply

•sewage treatment• Heating over distances

•food industry• Chemical industry,energy

Four,Technical Parameters

Selection Tips: For special requirements,please contact our company and indicate them in the order.

Precautions:

1. If you need to calibrate the instrument,please contact our company. Non-professionals are not allowed to calibrate the instrument.

2. When calibrating the meter,please turn on the meter first and keep the temperature constant.1Calibrate after childhood.

5. Parameter settings

Three-button interface

1.Send time setting

Opcode:2121 units (minutes)

Measurement status button“M” key to display “-COd-”; press “M" key to confirm,"00000" is displayed,the units digit flashes,press "up and down"key,adjust to "2121"; press "M" key to confirm,"S_TIM" is displayed,press "M"key,display "00000" (Last set value,),pass"superior"key(Data left shift key)and“Down"key(data increase key)to set the value(range 1～09999),after the adjustment is completed,press“M” key to confirm saving.

2.Collection time interval setting

Opcode:2122 units (seconds)

Measurement status button“M” key to display “-COd-”; press “M" key to confirm,"00000" is displayed,the units digit flashes,press "up and down"key,adjust to "2122"; press "M"Key to confirm,display"S_FrE",according to"M"key,display "00000" (Last set value,),pass"superior"key and"Down” key to set the value(range 1～09999),after the adjustment is completed,press“M” key to confirm saving.

3.Data upload method settings

Opcode:2124

Measurement status button“M” key to display “-COd-”; press “M" key to confirm,"00000" is displayed,the units digit flashes,press "up and down"key,adjust to "2124"; press "M"Key to confirm,display"S.MOdE",according to"M"Key,display"Last set value",pass"superior"key and"Down" key to set,press " after the adjustment is completedM” key to confirm saving.

4.Alarm interval setting

Opcode:2125 units (minutes)

Measurement status button“M” key to display “-COd-”; press “M" key to confirm,"00000" is displayed,the units digit flashes,press "up and down” key,adjust to “2125”; press “M"Key to confirm,display"S_ErT",according to"M"key,display "00000" (Last set value,),pass"superior"key and"Down” key to set the value(range 1～09999),after the adjustment is completed,press“M” key to confirm saving.

5.liquid level/Level alarm upper limit setting

Opcode:2311

Measurement status button“M” key to display “-COd-”; press “M" key to confirm,"00000" is displayed,the units digit flashes,press "up and down"key,adjust to "2311"; press "M"Key to confirm,display"Ad1H",according to"M” key to set the upper limit alarm value,presssuperior"key and"Down"Key to set the value,"Ad1F"Alarm upper limit return difference value,"Ad1d"Alarm upper limit delay,press " after all adjustments are completedM” key to confirm saving.

6.liquid level/Level alarm lower limit setting

Opcode:2312

Measurement status button“M” key to display “-COd-”; press “M" key to confirm,"00000" is displayed,the units digit flashes,press "up and down"key,adjust to "2312"; press "M"Key to confirm,display"Ad2H",according to"M” key to set the upper limit alarm value,presssuperior"key and"Down"Key to set the value,"Ad2F"Alarm upper limit return difference value,"Ad2d"Alarm upper limit delay,press " after all adjustments are completedM” key to confirm saving.

7,instrument zero calibration

Opcode:1000

Measurement status button“M” key to display “-COd-”; press “M" key to confirm,"00000" is displayed,the units digit flashes,press "up and down” key,adjust to “1000”; press “M" key to confirm,"bd_0" is displayed. Press "up and down” key to select “NO (exit without calibration) or YES (calibrate zero point)”. Press “M” key to confirm saving and exit.

8,instrument zero point cut-off

Opcode:1511

Measurement status button“M” key to display “-COd-”; press “M" key to confirm,"00000" is displayed,the units digit flashes,press "up and down"key,adjust to "1511"; press "M" key to confirm,"CUTO" is displayed,press "M"key,display "00000" (Last set value,),pass"superior"key and"Down” key to set the value(range 1～29999),after the adjustment is completed,press“M” key to confirm saving.

9,Instrument offset setting

Opcode:1510

Measurement status button“M” key to display “-COd-”; press “M" key to confirm,"00000" is displayed,the units digit flashes,press "up and down"key,adjust to "1510"; press "M" key to confirm,"OFSET" is displayed,press "M"key,display "00000" (Last set value,),pass"superior"key and"Down” key to set the value(Range-19999~29999),after the adjustment is completed,press“M” key to confirm saving.

five,way of communication

1、MODBUScommunication

There are two types of MODBUS protocols: MODBUS-RTU (commonly used in

MODBUS-ASCII

This instrument communication protocol complies withMODBUS-RTU communication protocol

Assume that the instrument parameters are:The instrument address is set to1; Communication baud rate 9600; Invalid parity; 0 decimal places; Unit KPa; The instrument measurement value is 161KPa,and the instrument display value is 161KPa.

2、Wireless communication（NB-IoT/4G/LoRa）

Wireless communication has different transmission methods and protocol contents based on different user needs. Please inquire for specific content.

six,Installation and maintenance

1、Install

1) The instrument should be installed vertically to the horizontal plane.

2) When using it with other instruments,pay attention to matching the range.

3) Before installing the digital meter on the equipment,check whether the meter head is clean. During use,the pipeline should be kept clean.

2、maintain

1) This instrument is a high-precision instrument and should be located in a place with good air circulation,easy observation,and easy maintenance and operation.

2) Although the digital sensor can exceed the measuring range during use,long-term use will affect the accuracy of the measurement and may damage the meter. It is recommended that the user uses the meter according to the measuring range.

3) When the LCD screen of the wireless digital meter shows that the battery voltage is a blank,please replace the battery to ensure normal measurement work.

Note: Only rechargeable batteries can be charged. The charging time is3~4Hour.

seven,Storage and transportation

1,this product should be stored in-40℃~+80℃,the relative humidity is not greater than90%,in a ventilated,dry and corrosive gas-free warehouse.

2,This product is packaged together with the certificate and instruction manual. Strong collision is strictly prohibited during transportation.

Note: The contents of this manual are subject to without prior notice. Please pay attention and stay in touch.