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Dissolved CO2 Sensor in Water
Modelo: KWS-5000
Parámetros: 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
Modelo: KWS-3500
Parámetros: 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
Modelo: KWS-3100
Parámetros: 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
Modelo: KWS-3000
Parámetros: 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
Modelo: KWS-1100
Parámetros: 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
Modelo: KWS-1000 (1001/1002/1003)
Parámetros: 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
Modelo: KWS-990P
Parámetros: 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
Modelo: KWS-990
Parámetros: 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
Modelo: KWS-960C
Parámetros: 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
Modelo: KWS-910
Parámetros: 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
Modelo: KWS-900 (900A/900B)
Parámetros: 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
Modelo: KydroPro 100
Parámetros: 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
Modelo: KWS-850
Parámetros: 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
Modelo: KWS-800
Parámetros: 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)
Modelo: KWS-790
Parámetros: 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
Modelo: KWS-750
Parámetros: 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
Modelo: KWS-700 (700A/700B)
Parámetros: 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
Modelo: KWS-670
Parámetros: 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
Modelo: KWS-652
Parámetros: 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
Modelo: KWS-650C
Parámetros: 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
Modelo: KWS-630
Parámetros: 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
Modelo: KWS-600
Parámetros: 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
Modelo: KWS-550
Parámetros: 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)
Modelo: KWS-500B
Parámetros: 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
Modelo: KWS-500A
Parámetros: 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
Modelo: KWS-450
Parámetros: 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
Modelo: KWS-400
Parámetros: 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
Modelo: KWS-360
Parámetros: 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
Modelo: KWS-352 (Former KWS-380)
Parámetros: 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
Modelo: KWS-350
Parámetros: 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
Modelo: KWS-300
Parámetros: 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
Modelo: KWS-290
Parámetros: 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
Modelo: KWS-280
Parámetros: 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
Modelo: KWS-270-P/KWS-270-S
Parámetros: 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
Modelo: KWS-250
Parámetros: Ammonia nitrogen detection, RS485 (Modbus), auto temperature/pH compensation, no reagents, immersion installation
Online NH4-N Ammonia Nitrogen Sensor
Modelo: KWS-201
Parámetros: 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
Modelo: KWS-200
Parámetros: Ammonia nitrogen measurement, RS485 (Modbus), no reagents, auto temp/pH compensation, ion electrode method
Digital COD Sensor
Modelo: KWS-190
Parámetros: 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
Modelo: KWS-150
Parámetros: 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
Modelo: KWS-110/KWS-111
Parámetros: 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
Modelo: KWS-100/KWS-101
Parámetros: 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
Modelo: KWC-110
Parámetros: 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
Modelo: KWC-100C
Parámetros: CO2 measurement, RS485 isolated output, 4-20mA (optional), relay alarm, password management, menu prompt，CO2: 0-5000ppm (customizable)
Multi-Parameter Water Quality Controller
Modelo: KWC-100
Parámetros: 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
Modelo: KMPW520
Parámetros: 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
Modelo: KMPW500
Parámetros: 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
Modelo: KMPW400
Parámetros: 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
Modelo: KMPW100
Parámetros: 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
Modelo: KIS-100
Parámetros: 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
Modelo: KDM-150B
Parámetros: 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
Modelo: KDM-140B DO
Parámetros: Dissolved oxygen measurement, temperature compensation, digital display, RS485 (Modbus), 4-20mA isolated output, high/low alarm
Online ORP Meter
Modelo: KDM-110A
Parámetros: Online ORP detection, temperature compensation, RS485 communication (optional), 4-20mA output, alarm output
Online pH Meter
Modelo: KDM-100
Parámetros: Online pH measurement, temperature compensation, data output, alarm function
Galería de la empresa
Certificaciones y premios
Casos de éxito
Agricultural runoff monitoring
better agricultural pollution control
better agricultural pollution control
Municipal wastewater plant
compliant discharge, reduced manual sampling
multi-parameter integration
Aquaculture farm
increased fish survival rate
saltwater-resistant, continuous monitoring
River environmental monitoring
stable real-time monitoring, improved response speed
remote IoT monitoring, low maintenance
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
Videos de la empresa y productos
Introducción a la empresa y tour por la fábrica
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Demostración del producto - Kestrel K-1
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showcase de innovación tecnológica
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Testimonios de clientes y casos de éxito
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