Email: sales@yosemitech.com

Why Choose Yosemitech's Products?

Yosemite Technologies Co., Ltd is a professional manufacturer of water analysis instruments and sensors, integrating development and production together. Our main products include online, portable water quality analysis instruments. Since its establishment, we have focused on the development and production of water quality analysis instruments.



FAQS
What is a Water Quality Sensor?

A water quality sensor is a type of device used to measure and monitor parameters of water quality. These sensors that can read the physical, chemical and biological attributes of water. Water quality sensors are indispensable for assessing the water resources, maintaining human health and protecting aquatic habitat.

Some of Common Parameters That Water Quality Sensors Can Measure

pH:

A measure of the acidity or alkalinity of water, which is crucial for aquatic life and various industrial processes.

Dissolved Oxygen (DO): 

The amount of oxygen dissolved in water, which is vital for the survival of aquatic organisms.

Turbidity: 

A measure of the clarity of water, indicating the presence of suspended particles. High turbidity can be a sign of pollution or runoff.

Conductivity: 

A measure of the water's ability to conduct an electric current, which can indicate the presence of dissolved salts and minerals.

Temperature: 

Water temperature can affect the solubility of gases and the metabolic rates of aquatic organisms.

Total Dissolved Solids (TDS): 

The combined content of all inorganic and organic substances dissolved in water.

Biochemical Oxygen Demand (BOD): 

An indication of the amount of biodegradable organic matter in water, which can deplete oxygen levels.

Chemical Oxygen Demand (COD): 

A measure of the amount of organic matter that can be chemically oxidized in water.

Nitrate and Phosphate Levels: 

Important for assessing nutrient pollution, which can lead to eutrophication.

Bacteriological Quality: 

The presence of bacteria such as E. coli or coliforms, which can indicate fecal contamination and pose health risks.

Video
Yosemitech Multi-parameter Meter Calibration Guide-Turbidity Sensor

Yosemitech Multi-parameter Meter Calibration Guide-CT Sensor

In this video, we will delve into the entire calibration process of Conductivity Sensor for Y4001 Handheld Meter. 

Calibration is a crucial step for ensuring the accuracy and reliability of sensor measurement data.

This video includes: 

Preparation: required tools and precautions. 

Step-by-step operation: from connecting the equipment to completing the calibration, hands-on instruction.

Yosemitech Multi-parameter Meter Calibration Guide-DO Sensor

2025 IE expo Guangzhou

Y4003 Online Multi-parameter Sonde for Deep Water

Y4003 multi-parameter sonde can operate stably at a depth of 200m  underwater. 

-Robust and pressure-resistant design, self-developed Ti waterproof connectors -6 sensor interfaces of uniform specifications and 1 central cleaning brush interface (optional DO, pH,ORP, conductivity/salinity, turbidity, chlorophyll, BGA,OIW, Depth probes etc. ). 

-All probes are made of Ti, pressure-resistant and corrosion-resistant. 

-It is utilized for the monitoring of water environments, including oceans, deep lakes, underground wells, and challenging wastewater systems. 

If you want to know more information or quotation, feel free to contact us!

Y514-A Self-cleaning Chlorophyll Sensor Introduction

Chlorophyll Sensors!

Ever wondered how we track algal blooms or monitor water health in real time? 

Dive into our latest video to explore Chlorophyll Sensors —  keeping our waters safe! 

What’s Inside?

 How to Use Yosemitech Self-cleaning Chlorophyll Sensor? 

Why Care? 

Chlorophyll sensors aren’t just gadgets — they’re guardians of freshwater and marine life.

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