Shandong Horde Electronic Technology Co., Ltd.

Shandong Horde Electronic Technology Co., Ltd.

Position：Home>Products>Water Quality Testing>Online Water Monitoring>Sensors>Online Water Hardness Sensor

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Agricultural Testing

Soil Rapid Testing

Soil Nutrient Rapid Testing Soil Physical-Chemical Soil Heavy Metals Soil ORP Soil TOC Soil C/N Ratio Soil Sampler

Plant Physiology

Photosynthesis Leaf Area Meter Chlorophyll Meter Plant Root System Plant Canopy Analyzer Plant Nutrition Plant Transpiration Plant Water Potential Sap Flow Meter Fruit Firmness Plant Lodging Resistance Plant Stem Strength Tree Ring Analysis Vegetation Coverage Meter

Grain Analysis

Mycotoxins Heavy Metal Mycotoxin & Heavy Metal Tester Rice Appearance Quality Detector Rice Processing Accuracy Analyzer Seed Analyzer Auto Seed Counter Grain Moisture Meter Fluoro-Immuno Quantitative Test Strip Grain Hardness Meter

Fertilizer Testing
Packaging Testing

Sealing Tester

Oxygen Analyzer

Friction Tester

Moving Slider Moving platform

Leak & Seal Tester

Bag Testing Cap Testing Cap & Bottle Test
Water Quality Testing

Lab Water Quality Test

Multi-parameter Water Quality Potentiometric Titrator Kjeldahl Apparatus COD Ammonia Nitrogen Total Phosphorus Total Nitrogen BOD Oil Analyzer Heavy Metals TOC Boiler Water Test Volatile Fatty Acids Other Pollutants

Portable Outdoor Testing

Multi-parameter Water Quality Electrochemical Ammonia Nitrogen COD Total Phosphorus Total Nitrogen BOD Turbidity Heavy Metals Oil Analyzer Biotoxicity Dissolved Oxygen Disinfection Testing Aquaculture Volatile Fatty Acids Anionic Surfactants Total Hard/Alkalinity Redox potentiometer Other pollutants

Online Water Monitoring

Sensors Online Instruments Pollution Sources

Intelligent Digester

SpeedDigester HJ Standard Reflux Digestion

Water Analysis Consumables

Tube Pre‑made Reagents Bottle Pre‑made Reagents Water Quality Rapid Test Kits
Physical Performance Testing

Material Characteristic Analysis

Contact Angle Meter Surface Tension Meter Transmittance Haze Meter Thin‑Film Reflectometer

Texture Analyzer

Texture Analyzer Physical Analyzer Gel Strength Tester

Particle Image Analysis

Static Particle Image

Oil Analysis

Open Flash Point Tester Closed Flash Point Tester Pour‑Solid Point Tester Petroleum Demulsibility Tester Auto Distillation Tester Portable Iron Meter Portable Oil Meter Auto Acid Value Tester

Tap Density Tester

Viscosity Instrument

DSC

Acoustic Analysis
Microbiological Testing

Microbiological Testing

ATP fluorescence detector Rapid culture method Enzyme substrate method Bacterial Turbidity Meter Microbial Limit Tester Bacteria Collector

Incubation Equipment

Biochemical Incubator
Cleanliness Analysis

Dust Particle Counter

Handheld Portable Online

Oil Particle Counter

Portable Online Mode Laboratory

Aerosol Photometer
Gas Detection

Oxygen Analyzer

Trace Oxygen Constant Oxygen High Oxygen

Precision Dew Point Meter

Portable Capacitive Type Portable Cold Mirror Type

Hydrogen Analyzer

Electrochemistry Micro-Flow Thermal-Conduct

Mercury Vapor Analyzer
Sample Pretreatment

Distiller

Integrated 6-station Integrated 3-station SO2 Distillation

Microwave Digester

55ml Sample 100ml Sample

Freeze Dryer

Standard Type Cap Type Manifold Type Stoppering‑Manifold Type T-shaped Frame Type

Stomacher Blender

Standard Type Sterilization Type Heated Sterilization Type Optional Accessories

Ultrasonic Cell Disruptor

Handheld Integrated Split Type Stand Type

Digestion&Acid‑Evaporation System

Graphite Hotplate Graphite Digester Graphite Acid Evaporator Graphite Digester

Nitrogen Evaporator

Manual Automatic

Vertical oscillator

Standard type Intelligent type

Vacuum Atmosphere Furnace

Tube Type Box Type

Sample‑Prep Workstation

All‑in‑One Prep System

Liquid-Liquid Extractor

Semi-Auto Full Auto

Lab Bottle Washer

Sulfide Blowing Unit

Sampling Equipment

Biological Air Sampler Six‑Stage Air Microbial Sampler Aerosol Generator

Free Silica Unit
Spectral Analysis

Molecular Spectroscopy

UV-Vis Spectrophotometer Double-Beam UV-Vis Infrared CS Analyzer

Fluorescence Spectrum

Precious Metals Alloy Analysis Ore Analysis Soil Analysis Rare Earth Ternary Lithium Battery

Atomic Spectrum

Flame Photometer Atomic Absorption AAS AFS ICP-OES Direct Reading Spectroscopy (AES)

Chromatography analysis

Ion Chromatography(IC)

Photometric Measurement

Spectral Colorimeter
Laboratory Analysis

Karl Fischer Titrator

Coulometry Titration Method

Electrochemical Titrator

Auto electrochemical Titrator

Kjeldahl nitrogen Analyzer

Nitrogen Determination

Rotational Viscometer

Standard Type High-Viscosity Type Micro‑Specific

Halogen Moisture Meter
Food Rapid Test

Pesticide residue detector

GB Paper Disc Method GB Spectrophotometric GB Auto‑Spectrophotometric GB Portable Spectrophotometric Spectro-Chromatography Combo

Food Safety Multi-Analyzer

Full‑Parameter Testing Pesticide & Vet Drug Testing Food Additives Meat Testing

Veterinary Drug Residue Detector

Laboratory Handheld Portable

Diseased Meat Tester

Laboratory Portable

Food oil Testing Instrument

Frying Oil Acid & Peroxide Value Multi‑Function Integrated Malondialdehyde

Food Heavy Metals

Laboratory Portable

Honey Testing Instrument

Other Instruments

Other Food Instruments Meat Moisture
Atmospheric Environment Analysis

Ozone Gas Analysis

Electrochemical Method

VOC

CO/CO2 Analysis

Laser Methane Detector

Oil Vapor Recovery Detector

Toxic Gas Analyzer
Biochemical Analysis

Microplate Reader

Fixed Wavelength Full Wavelength

Gel Imaging

All‑in‑One Tester Split Tester

Chemiluminescence Imaging

All‑in‑One Tester Split Tester Multi-Function

Microplate Washer
Chromatography Analysis

IC

Laboratory

GC

GC Analyzer

Gas source preparation category

Hydrogen Generator Nitrogen Generator Air Generator
Hydrological Measurement

Open Channel Flowmeter

Portable Open Channel Flowmeter

Velocity Meter

Doppler Radar Type
Surveying & Mapping

Laser Range & Height Meter
Other Specialized

Cable Fault Tester

Pipeline Detector

Online Water Hardness Sensor

Model：

HD-S2

Introduction：

Online Water Hardness Sensor measures total hardness (as CaCO3) in water using a PVC calcium-magnesium selective electrode with temperature compensation. Widely used for industrial and environmental water monitoring....

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Shandong Horde Electronic Technology Co., Ltd.

Shandong Horde Electronic Technology Co., Ltd.

Phone:008619053605658
Email:salesmanager@hordeinstrument.com

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