Xi'an Kacise Optronics Co.,Ltd.
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How to select water level sensor?
Measuring range
Clear the range of water level change in the application scenario: First of all, clear the range of minimum to maximum water level in actual use.
Reserve a certain amount of margin: In order to cope with some special circumstances, such as the rainstorm resulting in the abnormal water storage of the reservoir, it is best to reserve a certain amount of margin when determining the measurement range, to ensure that the sensor can still accurately measure when the water level exceeds the normal situation, and to avoid the phenomenon of exceeding the range and not working normally.
Ultrasonic water level gauge range: 0-30 meters
Radar water level gauge range: 0-100 meters
Capacitance water level meter range: 1-2 meters
Measurement accuracy
Select according to the accuracy requirements of the application:
High-precision demand scenario: In some scientific experiments, such as studying the effect of water on the reaction of a substance under small changes, or in the field of high-precision industrial control, such as the precise control of the water level of the cooling water tank in the production of precision electronic components, millimeter-level or even higher precision water level sensors may be required to ensure the accuracy of the experimental data and the stability and reliability of the production process.
Radar water level accuracy: ±2mm~±5mm
General precision demand scenario: For ordinary domestic water tanks, such as living water tanks on the roof of residential buildings, only need to roughly grasp the water level to arrange water supply, centimeter-level accuracy sensors can usually meet the requirements, in this case, choosing high-precision sensors will increase the cost.
Ultrasonic water level accuracy: 0.5%~1%
Capacitance water level accuracy: : 0.5%~1%
Ultrasonic water level meter series
| water level sensor selection table | ||
| Product model | picture | Performance parameter |
| KUS3000 M18 |  | Measuring range: 1m Output: 4~20mA/NPN/PNP/RS485 Protection class: IP65 Supply voltage: 13-30V Features: Material support customization Material: nickel plated copper Temperature: -25~70℃ Accuracy: 0.5%~1% |
| KUS3000 M30-Type1 | | Measuring range: 2m Output: 4~20mA/NPN/PNP/RS485 Protection class: IP65 Supply voltage: 13-30V Features: Material support customization Material: nickel plated copper Temperature: -25~70℃ Accuracy: 0.5%~1% |
| KUS3000 M30-Type2 | | Measuring range: 4m Output: 4~20mA/NPN/PNP/RS485 Protection class: IP65 Supply voltage: 13-30V Features: Material support customization Material: nickel plated copper Temperature: -25~70℃ Accuracy: 0.5%~1% |
| KUS3000 M30-Type3 | | Range: 6m/12m Output: 4~20mA/NPN/PNP/RS485 Protection class: IP65 Supply voltage: 13-30V Features: Material support customization Material: nickel plated copper Temperature: -25~70℃ Accuracy: 0.5%~1% |
| KUS550(Hot sale) | | Measuring range: 0.8m~4m Output: 4~20mA/NPN/PNP/RS485/0-3V,0-5V Protection level: IP68 Supply voltage: 3.3-30 V Characteristics: Filling glue acid and alkali resistance Material: PVDF Temperature: -40~85℃ Accuracy: 0.5%~1% |
| KUS600(High cost performance model) | | Range: 5m Output: 4~20mA/NPN/PNP/RS485/0-3V,0-5V Protection level: IP68 Power supply voltage: 3.3-24 V Characteristics: Filling glue acid and alkali resistance Material: PVDF Temperature: -40~85℃ Accuracy: 0.5%~1% |
| KUS630(Large range) | | Measuring range: 6m~30m Output: 4~20mA/NPN/PNP/RS485/0-3V,0-5V Protection level: IP68 Supply voltage: 3.3-24V Characteristics: Filling glue acid and alkali resistance Material: PTFE/PVC Temperature: -40~85℃ Accuracy: 0.5%~1% |
| KUS640 (with display) | | Range: 30m (can be customized according to different ranges) Output: 4~20mA/NPN/PNP/RS485/0-3V, 0-5V Protection class: Display instrument IP65, probe IP68 Supply voltage: 3.3-30 V Features: The display can be rotated Material: Head shell: metal aluminum, probe material: PVDF/PTFE/PVC Temperature: -40~85℃ |
| KUS650 (Hot wireless model) | | Range: 30m (can be customized according to different ranges) Output: 4G/Lora/GPRS/NB Protection class: Display instrument IP65, probe IP68 Supply voltage: 3.6V Features: Wireless Material: Head shell: metal aluminum, probe material: PVDF/PTFE/PVC Temperature: -40~85℃ Accuracy: 0.5%~1% |
Radar water level meter series
| Product model | picture | Performance parameter |
| KLD801 | | Measuring medium: liquid non-corrosive Measuring range: 0.05m ~ 10/20/30/60/100m Process connection: G1½A / 1½NPT thread/flange ≥DN40 Process temperature: -40 ~ 80℃ Process pressure: -0.1 ~ 0.3MPa Antenna size: 32mm lens antenna Antenna material: PTFE Precision: ±2mm Protection level: IP67 Center frequency: 80GHz Power source: two-wire /DC24V Four-wire /DC12~24V Four-wire system /AC220V Shell: Aluminum/plastic/stainless steel Signal output: two-wire /4... 20mA/HART protocol Four-wire system: 4... 20mA/ RS485 Modbus |
| KLD802 | | Measuring medium: non-corrosive liquid, slightly corrosive liquid Measuring range: 0.1m~10/20/30/60/100m Process connection: Flange ≥DN80 Process temperature: -40 ~ 110℃ Process pressure: -0.1 ~ 1.6MPa Antenna size: 32mm lens antenna Antenna material: PTFE Precision: ±2mm (measuring range below 35m) ±5mm (measuring range 35m-100m) Protection level: IP67 Center frequency: 80GHz Power source: two-wire /DC24V Four-wire /DC12~24V Four-wire system /AC220V Outer shell: Aluminum/stainless steel Signal output: two-wire /4... 20mA/HART protocol Four-wire four... 20mA/ RS485 Modbus |
| KLD803 | | Measuring medium: strong corrosive liquid, steam, foam Measuring range: 0.1m ~ 10/20/30/60/100m Process connection: Flange ≥DN50 Process temperature: -40 ~ 130℃ Process pressure: -0.1 ~ 2.5MPa Antenna size: 34mm lens antenna (depending on flange size) Antenna material: PTFE Precision: ±2mm (measuring range below 35m) ±5mm (measuring range 35m-100m) Protection level: IP67 Center frequency: 80GHz Power source: two-wire /DC24V Four-wire /DC12~24V Four-wire system /AC220V Outer shell: Aluminum/stainless steel Signal output: two-wire /4... 20mA/HART protocol Four-wire four... 20mA/ RS485 Modbus |
| KLD804 | | Measuring medium: strong corrosive liquid, steam, foam Measuring range: 0.1m~10/20/30/60/100m Process connection: Flange ≥DN50 Process temperature: -40 ~ 130℃ Process pressure: -0.1 ~ 1.0MPa Antenna size: 76mm lens antenna Antenna material: PTFE Precision: ±2mm Protection level: IP67 Center frequency: 80GHz Power source: two-wire /DC24V Four-wire /DC12~24V Four-wire system /AC220V Shell: Aluminum/plastic/stainless steel Signal output: two-wire /4... 20mA/HART protocol Four-wire four... 20mA/ RS485 Modbus |
| KLD805 | | Measuring medium: strong corrosive liquid, steam, foam, high temperature and high pressure Measuring range: 0.1m~10/20/30/60/100m Process connection: Flange ≥DN80 Process temperature: -40 ~ 200℃ Process pressure: -0.1 ~ 2.5MPa Antenna size: 76mm lens antenna (customized according to French size) Antenna material: PTFE/ integral filling Precision: ±2mm Protection level: IP67 Center frequency: 80GHz Power source: two-wire /DC24V Four-wire /DC12~24V four-wire /AC220V Shell: Aluminum/plastic/stainless steel Signal output: two-wire /4... 20mA/HART protocol Four-wire four... 20mA/ RS485 Modbus |
| KLD806 | | Measurement media: solids, storage containers, process containers or strong dust situations Measuring range: 0.3m~10/20/30/60/100m Process connection: Flange ≥DN100 Process temperature: -40 ~ 110℃ Process pressure: -0.1 ~ 0.3MPa Antenna size: 76mm lens antenna + universal purge (or without purging) Antenna material: PTFE Precision: ±5mm Protection level: IP67 Center frequency: 80GHz Power source: two-wire /DC24V Four-wire /DC12~24V four-wire /AC220V Shell: Aluminum/plastic/stainless steel Signal output: two-wire /4... 20mA/HART protocol Four-wire four... 20mA/ RS485 Modbus |
| KWL801 | | Measuring medium: water Measuring range: 0.1m~65m Mounting method: bracket or thread Power supply: 9~36VDC Output: RS485 Antenna size: 42mm lens antenna Antenna material: plastic Case material: plastic Accuracy:±2mm |
Capacitance water level gauge
| Product model | picture | Performance parameter |
| KSLV605 | | Detection range: 0.1~3m Precision: 0.5%~1% Temperature resistance: -50~250℃ Ambient temperature: -40~85℃ Storage temperature: -55℃~+125℃ Pressure range: -0.1MPa~32MPa Output signal: 4~20mA /RS485 communication Power supply voltage: 5~36V DC Liquid level gauge material: 304/316 stainless steel, 1Gr18Ni19Ti or PTFE Explosion-proof class: ExibIICT6 Protection level: IP67 |
| KSLV605(with display) | | Detection range: 0.1~3m Precision: 0.5%~1% Temperature resistance: -50~250℃ Ambient temperature: -40~85℃ Storage temperature: -55℃~+125℃ Pressure range: -0.1MPa~32MPa Output signal: 4~20mA /RS485 communication Power supply voltage: 5~36V DC Liquid level gauge material: 304/316 stainless steel, 1Gr18Ni19Ti or PTFE Explosion-proof class: ExibIICT6 Protection level: IP67 |
| KSLV605(Wireless) | | Detection range: 0.1~3m Precision: 0.5%~1% Temperature resistance: -50~250℃ Ambient temperature: -40~85℃ Storage temperature: -55℃~+125℃ Pressure range: -0.1MPa~32MPa Output signal: Wireless output type liquid level meter communication distance is less than 200 meters Power supply voltage: 3.3-36V (battery powered optional) Liquid level gauge material: 304/316 stainless steel, 1Gr18Ni19Ti or PTFE Explosion-proof class: ExibIICT6 Protection level: IP67 |