YSI - Xylem USA - Pitesco Vietnam

 

About YSI

YSI's Corporate Office 

In the beginning there were a few engineers and a lot of ideas.

The legacy of our global company reaches back to 1948 and a three-man partnership that was forged at Antioch College in Yellow Springs, Ohio, USA. This village, between Dayton and Columbus, still serves as the headquarters for what started as the "Yellow Springs Instrument Company" — now known as YSI Inc.

We invite you to browse our brief history and explore our timeline.

A Brief History of YSI

Back in the late forties, two engineers, Hardy Trolander and John Benedict were joined by chemist David Jones and started looking for problems to solve through the application of good science. Shortly after the three men incorporated the company in 1948 and Hardy Trolander was appointed the first President, they were joined by David Case, another Antioch alumnus.

The four men worked with researchers at Fels Research Institute. Additionally, they bid on a job at the Wright-Patterson Air Force Base (formerly Wright Field) with the help of Fred Hooven, who became the fifth stockholder. Hooven had gained a reputation for his significant contributions to the Army Air Corps at Wright Field, among them being principal inventor of the automatic radio compass still in use today.

The Air Force accepted the men's concept for a 16k random access memory (RAM) with on-board crystal clock in response to its need for a programmable timing device with precision and resolution well beyond anything available at the time. This successful prototype led to Air Force contracts that produced cash flow to support development and commercialization of further ideas.

First instruments released and sales grow

After a few years as a struggling start-up, YSI's first commercial instrument was designed -- the Model 3A Dielectric Constant meter. Then followed interchangeable thermistor temperature probes, a notable industry first, and associated temperature instrumentation.

By 1960, YSI had several dozen employees and numerous instruments that had gained wide acceptance among scientists and researchers. A European distribution network was established early in this decade. The engineers continued to work hard to develop more innovative products.

Innovative sensor technology

The history of YSI would be incomplete without mention of Dr. Leland Clark, to whom not only YSI, but the world, owes a debt of gratitude. Dr. Clark was a researcher at Fels with whom Hardy Trolander and the others worked closely. He is best known for having developed the aptly-named Clark oxygen electrode that allows dissolved oxygen to be measured in liquids. Applications not only include environmental ones, but biomedical and industrial as well.

For example, his invention enabled physicians to perform open-heart surgery because, for the first time, immediate blood oxygen measurements could be taken real-time in the operating room rather than having a sample drawn which then had to be taken to a lab for analysis. Dr. Clark also developed the technology behind the glucose biosensor, used daily by millions of people with diabetes and other conditions.

In 1970, Dr. Clark demonstrated the enzyme-activated polarographic measurement of glucose in water and pointed out that glucose could be measured in whole blood with the presence of the glucose oxidase enzyme. Within a couple of years, YSI was able to market its pioneering Model 23 Glucose Analyzer with a polarographic electrode.

At this point in time, YSI was building a range of instruments based on precision sensor technology for temperature andbiomedical applications.

Hardy Trolander believed strongly in the social benefits of a business enterprise -- one that gave its employees meaningful work; one that contributed to the economic health of communities and intellectual stimulation of industries. This legacy was continued upon Hardy's retirement in 1983, with the appointment of Malte vonMatthiessen as YSI's second President/CEO. Malte focused on expanding our niche markets, initiated quality improvement programs, and developed alliances with domestic and global partners. During this time, sales and distribution were set up in the Eastern hemisphere.

After several years with Malte at the helm, YSI began to sharpen its focus on product development and replaced the traditional hierarchical managerial structure with cross-functional and self-directed teams.

Innovation continues with upgraded R&D

Moving into the 1990s, the company adhered to a well-defined plan of providing quality products to specific global niche markets (environmental monitoring and testing, precision temperature measurement, and biotechnology) while continuing to reduce costs. YSI recognized its core competency in sensor technology and committed three million dollars for a new facility to house stepped-up sensor measurement technology teams.

Additionally, new product development and business processes incorporated environmentally responsible practices such as recycling, reduced-footprint packaging, and energy conservation.

During this decade, YSI introduced what became our most significant product line to date: the 6-Series environmental monitoring sondes. These instruments brought together YSI’s proven dissolved oxygen sensor with additional sensors into a family of products specific to monitoring water quality. Customers were able to leap out of the lab and into the field, where data was obtained more immediately and accurately.

Many changes have come about since the start of the new millenium. Rick Omlor became YSI's third President/CEO in 2002. In 2005, Rick and his leadership team made the strategic decision to focus the business in a select few areas rather than following the 60-year history of ever broadened markets and sensor development. This strategy, focused mainly on the water quality and water velocity applications in the natural resource market, has served the customer, company and shareholder very well.

The first decade of the twenty-first century brought several major natural disasters and a continually increasing scarcity of natural resources. With this as a backdrop the company is geared to provide products and data services that help to address these situations.

YSI will continue its legacy of invention and innovation as we move forward; and not just in the area of technology. We will continue to seek new creative solutions for remaining close to those who use our products and services, ways in which we operate our business, and methods for seeking and retaining talent. We leave behind our first 60 years with gratitude and admiration to those who established this great company and look forward to continuing to build on that firm foundation in the coming years.

 

 

Browse Products
Browse Products  YSI designs sensors, instruments, software, and data collection platforms for water quality sampling, water quality monitoring, and environmental monitoring.  Here you can choose your product from the Quick list, or browse by photo. Select a product to: Get specs; Get a price quote; or Ask a question.

 

 

YSI 6600V2 Comprehensive Monitoring System - View of Sensor Configuration
 
The YSI 6600EDS showing Turbidity (center) with attached wiper brush, Clockwise from top: Chlorophyll, pH/ORP, Temperature/Conductivity, and Rapid Pulse Dissolved Oxygen Sensors.
 
YSI 6920 V2-2 sensor view showing Temperature/Conductivity, Chloride, pH, as well as Optical DO and Turbidity.
 
 

 

YSI 6820 V2 showing sensors, starting clockwise from top: ROX Optical Dissolved Oxygen, Turbidity, pH, ISE, and temperature/condutivity.
 
YSI 600OMS V2 shown with probe guard attached.
 
YSI 600XLM V2 shown without probe guard.
 
 

 

YSI 600XL with 650 MDS Handheld display and Flow Cell.
 
YSI 600QS 'Quick Sample'
 
YSI 600R shown with probe guard attached.
 
 

 

YSI 600LS 'Level Sonde' shown with probe guard attached.
 
YSI 6920DW showing sensors, clockwise from top: pH/ORP, Temperature/Conductivity, Free Chlorine, Turbidity.
 
YSI 600DW-B shown in profile with probe guard removed.
 
 

 

YSI 650MDS Display and Logging System
 
YSI 6500 Process Monitor
 
YSI 6-Series Anti-fouling Sensors and Wipers
 
 

 

YSI Water Quality Sondes for long-term monitoring
 
YSI 5200A Multiparameter Continuous Monitor and Control Instrument
 
YSI 5400 MultiDO Monitoring and Control Instrument
 
 

 

YSI EcoWatch Software Screenshot
 
AQUARIUS Profiling Software Example Graph
 
Streamline-ENV Software Screenshot
 
 

 

YSI Level Scout
 
YSI Professional Plus Shown with Single Parameter Cable and Probe Assembly
 
YSI ProODO Optical Dissolved Oxygen Instrument at Use in an Aeration Basin
 
 

 

YSI Pro20 Lab or Field Dissolved Oxygen Meter
 
YSI Pro2030 Field Dissolved Oxygen/Conductivity Meter
 
YSI Pro30 Handheld Conductivity Meter
 
 

 

YSI 556 Handheld Multiparameter Sampling
 
YSI 550A Handheld Dissolved Oxygen Meter
 
YSI 63 Handheld pH and Conductivity Meter
 

63

 

 

YSI 60 Handheld pH Meter
 

60

YSI 55 Handheld Dissolved Oxygen Meter
 

55

YSI 30 Handheld Conductivity Meter
 

30

 

 

YSI 58 (rear) and YSI 52 (front) Lab / Field Dissolved Oxygen Meters
 

58

YSI 5000/5100 Laboratory BOD and DO Meters
 
YSI BOD Analyst Pro Screen Shot
 
 

 

YSI 3200 Lab Conductivity Meter
 
YSI 3100 Lab Conductivity Meter
 
YSI EcoSense DO200
 
 

 

YSI EcoSense pH10A pH Tester
 
YSI EcoSense ORP15A ORP Pen Tester
 
YSI EcoSense DO200 Dissolved Oxygen Meter
 
 

 

YSI EcoSense EC300 Handheld Conductivity Meter
 
YSI EcoSense pH100 pH Meter
 
YSI EcoSense 9300 Photometer
 
 

 

YSI CastAway CTD, front and back views with skin.
 
Custom Monitoring Station Installation Services by AMJ
 
YSI IQ SensorNet 2020 XT Wastewater Monitoring System
 
 

 

YSI IQ Sensor Net 182 XT Stacked on Modules
 
IQ SensorNet Module (Background) with Terminal
 
IQ SensorNet Module (Background) with Terminal
 
 

 

IQ SensorNet Module (Background) with Termnial
 
IQ SensorNet Module (Background) with Terminal
 
IQ SensorNet Module (Background) with Terminal
 
 

 

IQ SensorNet Module (Background) with Terminal
 
IQ SensorNet Module (Background) with Terminal
 
IQ SensorNet Module (Background) with Terminal
 
 

 

IQ SensorNet Module (Background) with Terminal
 
IQ SensorNet Module (Background) with Terminal
 
IQ SensorNet Module (Background) with Terminal
 
 

 

IQ SensorNet Module (Background) with Terminal
 
IQ SensorNet Module (Background) with Terminal
 
IQ SensorNet Module (Background) with Terminal
 
 

 

IQ SensorNet Module (Background) with Terminal
 
IQ SensorNet Module (Background) with Terminal
 
IQ SensorNet Module (Background) with Terminal
 
 

 

IQ SensorNet Module (Background) with Terminal
 
IQ SensorNet Module (Background) with Terminal
 
IQ SensorNet Module (Background) with Terminal
 
 

 

IQ SensorNet Module (Background) with Terminal
 
IQ SensorNet Module (Background) with Terminal
 
IQ SensorNet Module (Background) with Terminal
 
 

 

IQ SensorNet Module (Background) with Terminal
 

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Products & Services

1. Trade Representative:

Pites Co., Ltd is one of leading agencies in industrial automation components and equipments for various industry such as Power Plant, Cement, Steel, Glass, Automation, Oil &Gas, Food and Berverage, Chemcial, Packaging, etc

2. Import and Distribution:

Pites Co., Ltd specializes in importing and distributing of Factory Automation (all kind of sensors), Process Instruments( Temperature, Pressure, Level, Flow, Valves, pH and chemical measurements, control valves, Gas/Air Analyzer) Motion Control (Motor, controller, inverter, PLC, Encoder, Linear Sensor, Position Sensor), Industrial Safety parts ( relay, switch, fuse...,), Swith Gear.

3. Service:

Pites provides engineering services including design and install, commissioning, relocating, maintaince , training...for a variety of industries with participation and technical support from specilists of well- known brands in Germany, Italy, Switzerland, USA, Japan, India and Singapore...

Pitesco