Sobre XI'AN KACISE OPTRONICS TECH CO., LTD
1. Core Product Categories
(1) Level and Distance Sensors
Ultrasonic level/distance sensors (KUS Series)
Non-invasive clamp-on ultrasonic level meters
80 GHz high-frequency radar level transmitters
Capacitive level sensors
These products are widely used for liquid and solid level measurement in tanks, reservoirs, wastewater pits, silos, and other industrial storage systems.
(2) Water Quality Monitoring & Multi-Parameter Sensors
Online multi-parameter water quality sensors (e.g., KWS-800 Series, measuring pH, conductivity, dissolved oxygen, turbidity, etc.)
COD, TOC, and organic matter sensors
ORP (Oxidation-Reduction Potential) sensors
Fluorescence dissolved oxygen and oil-in-water detection sensors
These products are suitable for water treatment plants, environmental monitoring stations, river and lake management, aquaculture, and industrial wastewater applications.
(3) Pressure & Process Control Sensors
Pressure sensors and transmitters
Digital pressure gauges and industrial pressure monitoring devices
These solutions provide reliable measurement for industrial process control and liquid/gas pressure monitoring systems.
(4) Other Sensors & Analytical Instruments
Gas sensors (such as methane and other combustible gas detection)
Toxic gas analyzers
Flow meters (ultrasonic, gear-type, etc.)
Temperature, humidity, and environmental monitoring sensors
These products support industrial safety monitoring and environmental data acquisition.
2. Core Advantages of Kacise
⭐ 1) Comprehensive Product Portfolio & Broad Technology Coverage
Covers level, pressure, water quality, gas, and flow measurement technologies
Supports digital outputs such as RS-485 and Modbus for seamless industrial integration
Strong capabilities in online monitoring and remote data acquisition
Suitable for industrial automation, environmental protection, water management, and energy industries
⭐ 2) Technological Strength & Stability
Advanced multi-parameter water quality measurement with real-time monitoring
Low maintenance and long-term continuous online operation
Automatic cleaning functions and strong anti-interference design
Stable radar and ultrasonic performance in harsh industrial environments
These features enhance reliability and long-term operational stability.
⭐ 3) Wide Application Coverage
Municipal wastewater treatment and environmental monitoring
Industrial process control and manufacturing automation
Agriculture and aquaculture monitoring
Energy and petrochemical level and pressure measurement
The broad industry coverage gives Kacise strong market adaptability.
⭐ 4) Industrial-Level Integration & System Compatibility
Standardized output signals and digital communication protocols
Compatible with SCADA, PLC systems, and IoT platforms
Enables customers to build intelligent monitoring and control systems
3. Industry Value & Market Positioning
Overall, Kacise products are characterized by high technical content, strong reliability, and wide industry applicability, particularly in:
✔️ Online water quality monitoring and environmental protection
✔️ Industrial automation measurement and process control
✔️ Intelligent sensing system integration and remote data acquisition
Kacise is well-positioned as a professional intelligent sensing solution provider in global industrial markets.
Nossos produtos
Ver todos os produtos → →Dissolved CO2 Sensor in Water
Model: KWS-5000
Params: Dissolved CO2 measurement, NDIR infrared absorption principle, multiple output (RS485/4-20mA/IIC/PWM), multiple range options, waterproof breathable structure, zero/sensitivity calibration，CO2:2000ppm(±20ppm)/5000ppm(±50ppm)/10000ppm(±300ppm) (customizable); Temp:-20 ~ 60℃(working), -20 ~ 80℃(storage); Max pressure:1.5 bar
Online Residual Chlorine Sensor
Model: KWS-3500
Params: Residual chlorine (HClO) measurement, constant voltage method, automatic temperature compensation (Pt100), RS485 (Modbus/RTU) output, two-point calibration, flow cell installation，Residual chlorine:0～2.000mg/L(0.001mg/L)/0～20.00mg/L(0.01mg/L); Temp:5～50℃; pH:4～9; Flow rate:30～60L/h
Online Chloride Ion Sensor
Model: KWS-3100
Params: Chloride ion measurement, solid membrane ion selective electrode, automatic temperature compensation (Pt1000), RS485 (Modbus/RTU) output, two-point calibration, patented electrode，Chloride ion:0~3500.0mg/L(0.1mg/L)/0~35000mg/L(1mg/L); Temp:-5～65℃; pH:2~12; Work pressure:<0.2MPa
Online Residual Chlorine Sensor
Model: KWS-3000
Params: Residual chlorine (HClO) measurement, constant voltage method, automatic temperature compensation (Pt100), RS485 (Modbus/RTU) output, two-point calibration, flow cell installation，Residual chlorine:0～2.000mg/L; Temp:5～50℃; pH:4～9; Flow rate:30～60L/h; Response time:<30S
High Precision Online Oil in Water Sensor
Model: KWS-1100
Params: Oil-in-water measurement, ultraviolet fluorescence method, imported UV LED light source, RS485 (Modbus) output, automatic cleaning brush optional, ultra-high sensitivity，Oil:5ppm（NDSA）equiv. to 1.1ppm（BTEX）; Resolution:0.01ppb; Detection limit:1ppb; Temp:0~50℃
Online Oil in Water Sensor
Model: KWS-1000 (1001/1002/1003)
Params: Oil-in-water measurement, ultraviolet fluorescence method, RS485 (Modbus) output, automatic cleaning brush (1003), anti-ambient light/suspended solids interference，Oil:0-50ppm (0-150ppm optional); Temperature:0~50℃; Max pressure:6bar(1001)/3bar(1002/1003)
Portable Suspended Solids (Sludge Concentration) Analyzer
Model: KWS-990P
Params: TSS/sludge concentration measurement, scattered light principle, handheld design, 3.5-inch color LCD, 16MB data storage, Type-C charging/export, factory pre-calibrated，TSS:0.001-100000 mg/L (customizable); Operating temp:0~40℃
Digital Suspended Solid Sensor
Model: KWS-990
Params: TSS measurement, light obstruction method, RS485+4-20mA dual output, automatic wiper, 5-point calibration, watchdog function, power-off protection (>10 years)，TSS:0～10000mg/L (customizable); Temperature:0-50℃; Work pressure:≤0.6MPa
Online Turbidity Sensor
Model: KWS-960C
Params: Turbidity/temperature measurement, 90° scattered light, built-in Pt1000 for auto temp compensation, RS485 (Modbus/RTU) output, optical fiber structure, two-point calibration，Turbidity:0～20.00/200.0/1000.0NTU; Temperature:0～50℃; Work pressure:<0.2MPa
Online TSS Sensor
Model: KWS-910
Params: TSS/sludge concentration measurement, infrared scattering method, RS485 (Modbus) output, automatic cleaning brush, color compensation, anti-ambient light interference，TSS:0.5-4000mg/L (0-15000mg/L optional); Temperature:0 ~ 50℃; Max pressure:3 bar
Fiber Optic Turbidity Sensor
Model: KWS-900 (900A/900B)
Params: Turbidity measurement, 90° scattered light principle, RS485 (Modbus) output, automatic cleaning brush (900B), anti-ambient light interference, high repeatability，Turbidity:0-1000NTU/0-4000NTU (customizable); Temperature:0 ~ 50℃; Max pressure:6 bar
Handheld Multiparameter Water Quality Sensor
Model: KydroPro 100
Params: Up to 5 parameters (optical DO, turbidity, 4-electrode conductivity, pH, salinity, temp), automatic sensor recognition, RS485 (Modbus), rechargeable battery, data storage, backlit display，DO:0-20mg/L; Turbidity:0.1-1000NTU; Conductivity:1uS/cm～100mS/cm; pH:0～14; Salinity:0~80ppt; Temp:0~50℃
Online Multi-Parameter Water Quality Sensor
Model: KWS-850
Params: 8 parameters (DO, COD, pH, ORP, conductivity/salinity, ammonia nitrogen, turbidity + temp), RS485 (Modbus/RTU), automatic cleaning, quick-plug connector, anti-blocking protection cover，DO:0～20mg/L; COD:0～200/500mg/L; pH:0～14pH; ORP:-1500~+1500mV; Ammonia nitrogen:0～100/1000mg/L; Temp:0～50℃
Online Multi-Parameter Water Quality Monitoring System
Model: KWS-800
Params: 7 optional parameters (fluorescent DO, 4-electrode conductivity, fiber turbidity, digital pH/ORP, chlorophyll, oil in water) + temperature, RS485 (Modbus), automatic cleaning device, waterproof connector, all-in-one design，DO:0-20mg/L; Turbidity:0-1000NTU; Conductivity:0~5000µS/cm/0-100mS/cm; pH:0-14pH; Oil:0-500ppb/0-50ppm; Temp:0~50℃
Digital pH Sensor (IoT Supported)
Model: KWS-790
Params: pH/temperature measurement, RS485+4-20mA dual output, automatic temperature compensation (Pt1000), mobile APP/PC debugging, IoT compatible, two-point calibration，pH: 0.00-14.00pH; Temperature: 1-100.0℃ (working 0~60℃); Accuracy: ±0.02pH
Online pH Probe
Model: KWS-750
Params: pH/temperature measurement, patented pH probe, slow reference solution seepage, RS485 (Modbus/RTU) output, automatic temperature compensation, 3/4 NPT thread，pH: 0～14pH; Temperature: -5 ~ 65℃; Work pressure: ＜0.2MPa
Online pH Sensor
Model: KWS-700 (700A/700B)
Params: pH/temperature measurement, long-life industrial electrode, automatic temperature compensation, RS485 (Modbus) output, no electrolyte, factory pre-calibrated，pH: 0～14pH; Temperature: 0 ~ 50℃; Work pressure: ＜3 bar
Portable Optical Dissolved Oxygen Meter
Model: KWS-670
Params: Dissolved oxygen/temperature/salinity measurement, fluorescence method, handheld design, rechargeable battery, data storage, one/two-point calibration, backlit display，DO: 0~20mg/L; Temperature: 0~50℃; Salinity: 0~80ppt
Online Ozone Sensor
Model: KWS-652
Params: Dissolved ozone measurement, amperometric method, RS485 (Modbus) output, automatic temperature compensation, high sensitivity, quick response，Ozone: 0~20mg/L; Temperature: 0~40℃
Online Dissolved Oxygen Sensor
Model: KWS-650C
Params: Dissolved oxygen/temperature measurement, fluorescence method, RS485 (Modbus/RTU) output, high stability, fast response (T90<30s), IP68 protection，DO: 0~20mg/L; Temperature: 0~50℃
Fluorescence Dissolved Oxygen Sensor
Model: KWS-630
Params: Dissolved oxygen/temperature measurement, fluorescence lifetime method, no electrolyte, no flow rate limit, RS485 (Modbus) output, automatic compensation, self-cleaning optional，DO: 0~20mg/L (0~200% air sat.); Temperature: 0~60℃
Dissolved Oxygen Sensor
Model: KWS-600
Params: Dissolved oxygen/temperature measurement, polarographic method, RS485 (Modbus) output, automatic temperature/pressure compensation, replaceable membrane cap，DO: 0~20mg/L (0~200% air sat.); Temperature: 0~50℃
High Precision Online ORP Sensor
Model: KWS-550
Params: ORP/temperature measurement, high precision, fast response, RS485 (Modbus/RTU) output, automatic temperature compensation, anti-corrosion electrode, two-point calibration，ORP: -2000~+2000mV; Temperature: -5~65℃
Online ORP Sensor (Multi-parameter Matching)
Model: KWS-500B
Params: ORP/temperature measurement, dedicated for multi-parameter water quality analyzer, RS485 (Modbus) output, automatic temperature compensation, quick-plug waterproof connector，ORP: -1999~+1999mV; Temperature: 0~50℃
Online ORP Sensor
Model: KWS-500A
Params: ORP/temperature measurement, digital output, RS485 (Modbus/RTU) protocol, automatic temperature compensation, high-impedance amplifier, two-point calibration，ORP: -1999~+1999mV; Temperature: 0~50℃
Optical Fiber Chlorophyll Sensor
Model: KWS-450
Params: Chlorophyll-a/phycocyanin measurement, fluorescence method, RS485 (Modbus) output, automatic temperature compensation, self-cleaning optional, high sensitivity，Chlorophyll-a: 0~500μg/L; Phycocyanin: 0~1000μg/L; Temperature: 0~60℃
Optical Fiber Chlorophyll Sensor
Model: KWS-400
Params: Chlorophyll-a measurement, fluorescence method, RS485 (Modbus) output, automatic temperature compensation, anti-interference, no reagent, one-point calibration，0~400μg/L or 0~100RFU; Temperature: 0~50℃
Online Salinity Sensor
Model: KWS-360
Params: Salinity/conductivity/temperature measurement, automatic temperature compensation, RS485 (Modbus) output, high precision, anti-corrosion, two-point calibration，Salinity: 0~72ppt; Conductivity: 0~200mS/cm; Temperature: 0~60℃
Online Digital TDS Sensor
Model: KWS-352 (Former KWS-380)
Params: TDS/conductivity/salinity/temperature measurement, automatic temperature compensation, RS485 (Modbus/RTU) output, 4-20mA optional, real-time data transmission, two-point calibration，TDS: 0~10000ppm; Conductivity: 0~20000μS/cm; Temperature: 0~50℃
Online Conductivity Sensor
Model: KWS-350
Params: High/medium/low conductivity measurement, automatic temperature compensation, RS485 (Modbus) output, 4-20mA optional, anti-fouling design, one/two-point calibration，Low conductivity: 0.01~200μS/cm; Medium conductivity: 0~5000μS/cm; High conductivity: 0~200mS/cm; Temperature: 0~60℃
Online Digital Conductivity Sensor
Model: KWS-300
Params: 4-electrode conductivity measurement, automatic temperature compensation, RS485 (Modbus/RTU) output, no reagent required, high anti-interference, two-point calibration，Conductivity: 0~5000μS/cm, 0~100mS/cm; Temperature: 0~50℃
Digital Ammonia Nitrogen Sensor
Model: KWS-290
Params: NH3-N/NH4+/pH/temperature/K+ (optional) measurement, RS485 (partial Modbus, IoT), auto temp compensation, auto/manual pH/K+ compensation, two-point calibration, mobile APP debugging，0–100.0mg/L/0–1000.0mg/L (NH3-N/NH4+); pH 0.00–14.00; Temp 0–60℃; K+ 0–1000.0mg/L (optional)
Online Nitrite Sensor
Model: KWS-280
Params: Nitrite ion measurement, RS485 (Modbus RTU), automatic temperature compensation (Pt1000), two-point calibration, ion selection method，0~0.020mg/L (0.001 resolution); 0~0.200mg/L (0.001 resolution)
Online Nitrate Nitrogen Sensor
Model: KWS-270-P/KWS-270-S
Params: Nitrate nitrogen measurement, RS485 (Modbus/RTU), 4-20mA (optional), automatic temperature compensation (Pt1000), two-point calibration, replaceable membrane cap，0～1000.0mg/L (Nitrate Nitrogen)
Online Ammonia Nitrogen Sensor
Model: KWS-250
Params: Ammonia nitrogen detection, RS485 (Modbus), auto temperature/pH compensation, no reagents, immersion installation
Online NH4-N Ammonia Nitrogen Sensor
Model: KWS-201
Params: Ammonia nitrogen/pH/temperature measurement, RS485 (Modbus), no reagents, auto temp/pH compensation, 1/2-point calibration, replaceable electrodes，0-100mg/L (optional 0-1000mg/L) (NH4-N); pH 4-10
Online Ammonia Nitrogen Sensor
Model: KWS-200
Params: Ammonia nitrogen measurement, RS485 (Modbus), no reagents, auto temp/pH compensation, ion electrode method
Digital COD Sensor
Model: KWS-190
Params: COD/TOC/BOD/turbidity measurement, RS485 (Modbus, IoT supported), no reagents, automatic turbidity compensation, self-cleaning, 5-point calibration, parameter configuration via RS485，0–500mg/L (±5%FS) / 0–1500mg/L (±10%FS) (COD); Corresponding TOC/BOD
Low Power Online COD Sensor
Model: KWS-150
Params: COD/TOC/turbidity/temperature measurement, RS485 (Modbus/RTU), 4-20mA (optional), no reagents, turbidity compensation, self-cleaning brush, two-point calibration, low power consumption，0～200.0mg/L/0～500.0mg/L/0～1500.0mg/L (COD); Corresponding TOC/Turbidity range
Online COD Sensor
Model: KWS-110/KWS-111
Params: COD/BOD/TSS/temperature measurement, RS485 (Modbus), no reagents, sludge interference compensation, self-cleaning brush, one/two-point calibration，KWS-110: COD 0-500mg/L, BOD 0-400mg/L, TSS 0-3000mg/L;
KWS-111: COD 0-1500mg/L, BOD 0-1200mg/L, TSS 0-5000mg/L
Online COD Sensor
Model: KWS-100/KWS-101
Params: COD/TOC/turbidity/temperature measurement, RS485 (Modbus), no reagents, turbidity compensation, self-cleaning brush, one/two-point calibration，KWS-100: COD 0-500mg/L, TOC 0-180mg/L, Turbidity 0-500NTU; KWS-101: COD 0-1500mg/L, TOC 0-600mg/L, Turbidity 0-500NTU
Online Water Quality Analyzer
Model: KWC-110
Params: 1/2 channel sensor connection, 5-inch color touch screen, RS485 (Modbus), 2-channel 4-20mA, 2-way relay, automatic temp/pressure compensation, data storage (>2 years), historical data viewing，According to matching sensors (DO, pH, COD, ammonia nitrogen, etc.)
Online Infrared CO2 Meter
Model: KWC-100C
Params: CO2 measurement, RS485 isolated output, 4-20mA (optional), relay alarm, password management, menu prompt，CO2: 0-5000ppm (customizable)
Multi-Parameter Water Quality Controller
Model: KWC-100
Params: Multi-parameter detection (COD, ammonia nitrogen, DO, pH, etc.), automatic sensor identification, 4-20mA isolated output, RS485 output, 2-way relay, automatic temp/pressure compensation，According to matching sensors
6-in-1 Water Quality Analyzer
Model: KMPW520
Params: 6 free combination parameters (pH, ORP, COD, BOD, residual chlorine, turbidity, etc.), 7.0-inch color touch screen, 2-channel 4-20mA, 6-way relay, 2-channel RS485 (Modbus-RTU), TF card/USB data storage, historical curve, password protection，According to matching sensors
Multi-parameter Water Quality Analyzer
Model: KMPW500
Params: 6 parameters + temperature monitoring (pH, ORP, conductivity, DO, residual chlorine, turbidity, etc.), auto/manual temperature compensation, 3-way RS485 (Modbus), 4-20mA (2 channels), 6-way alarm relay, power-off protection (>10 years), watchdog function，According to matching sensors
Online Multi-Parameter Controller
Model: KMPW400
Params: Multi-parameter real-time display, 7" LCD touch screen, RS485 (Modbus RTU), sensor automatic identification, 60 days data storage, DTU interface, USB port
Multi-Parameter Water Quality Controller
Model: KMPW100
Params: Multi-parameter monitoring (DO, pH, ORP, conductivity, turbidity, COD, ammonia nitrogen, etc.), 7" color touch screen, RS485 (Modbus), 4-20mA (1~8 channels), 5-way relay, data storage (>2 years), USB export，According to matching sensors
Online Calcium Ion Sensor
Model: KIS-100
Params: Calcium ion detection, automatic temperature compensation (Pt1000), RS485 (Modbus/RTU), 4-20mA (optional), two-point calibration，0~100.00mg/L (0.01mg/L resolution); 0~1000.0mg/L (0.1mg/L resolution)
Online Residual Chlorine Meter
Model: KDM-150B
Params: Free chlorine measurement, manual temperature compensation, RS485 (partial Modbus), 4-20mA isolated output, high/low alarm, watchdog function, power-off protection，Free Chlorine: 0–20.00 mg/L
Online Dissolved Oxygen Meter
Model: KDM-140B DO
Params: Dissolved oxygen measurement, temperature compensation, digital display, RS485 (Modbus), 4-20mA isolated output, high/low alarm
Online ORP Meter
Model: KDM-110A
Params: Online ORP detection, temperature compensation, RS485 communication (optional), 4-20mA output, alarm output
Online pH Meter
Model: KDM-100
Params: Online pH measurement, temperature compensation, data output, alarm function
Galeria da empresa
Certificações e prêmios
Histórias de sucesso
Water Treatment EPC
reduced maintenance cost
non-contact ultrasonic design
Textile Factory
consistent dosing control
chemical-resistant probe
Battery Manufacturer
stable thermal management
clamp-on ultrasonic flowmeter
Waste Incineration Plant
no overflow incidents
radar resistant to vapor interference
Smart City Contractor
improved flood control response
IoT-enabled remote transmission
Mining Company
minimized pump dry-run
heavy-duty ultrasonic sensor
Cement Manufacturer
reduced material blockage
anti-dust Radar switch
Marine Engineering Firm
corrosion-free operation
IP68 marine-grade design
Environmental Agency
continuous environmental reporting
integrated multi-sensor probe
Thermal Power Plant
stable turbine protection
high-temperature pressure sensor
Fuel Storage Company
improved stock management
anti-static capacitive design
Irrigation Authority
reduced water waste
wireless ultrasonic, solar powered
Hydropower Station
reliable flood warning
long-range radar transmission
Pharmaceutical Plant
GMP compliance achieved
sanitary clamp connection
Food Processing Factory
reduced overflow events
hygienic stainless steel housing
Aquaculture Farm
increased fish survival rate
fluorescence DO, low maintenance
Oil Refinery
improved inventory accuracy
80GHz radar, explosion-proof
Chemical Plant
zero leakage incidents
PTFE corrosion-resistant probe
Municipal Water Authority
3 years stable operation
anti-fouling optical design
Vídeos da empresa e produtos
Introdução da empresa e tour pela fábrica
⏱ Duration: 3:45 | 👁 Views: 15,230
Demonstração do produto - Kestrel K-1
⏱ Duration: 5:12 | 👁 Views: 28,450
Showcase de inovação tecnológica
⏱ Duration: 4:30 | 👁 Views: 12,890
Depoimentos de clientes e histórias de sucesso
⏱ Duration: 6:20 | 👁 Views: 9,650
Pronto para transformar sua vida?
Entre em contato agora para descobrir como nossos produtos podem atender às suas necessidades.