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1946
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POLYMETRON is founded to design and market industrial pH and conductivity meters.
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1960s
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ANATEL's new “dynamic end-point detection” A-100 instrument measures ppb levels of TOC in pure water for applications in the semiconductor industry and nuclear power plants.
MET ONE and HIAC provide significant contributions to the development of the particle counting industry, including many innovations still in use today.
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1962
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HIAC introduces the first automatic particle counter based on the light extinction principle.
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1967
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POLYMETRON creates the first continuous industrial titrators for textile industry and the car industry’s phosphatizing baths.
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1969
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ORBISPHERE is founded to investigate new technologies for high precision instruments.
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1978
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ORBISPHERE is granted first patent for an electrochemical sensor design.
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1980
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POLYMETRON introduces its first microprocessor-based industrial transmitter.
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1984
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HYT founded in Sunnyvale, CA. HYT is the first to offer in situ particle monitoring (ISPM) for semiconductor process equipment.
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1986
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ANATEL introduces compact A-100P portable instrument.
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1990
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ORBISPHERE is granted first patent for a thermal conductivity sensor design.
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1993
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ANATEL introduces the A-1000 instrument, networking up to 8 sensors and controllers for application in the semiconductor and pharmaceutical industries.
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1993
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HYT acquired by Pacific Scientific Instruments.
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1996
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Pacific Scientific Instruments formed with addition of MET ONE.
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1998
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ANATEL introduces the Access 643 instrument for the pharmaceutical industry, and the A‑1000XP instrument for measuring ppb levels in ultra pure water systems.
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2003
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PSI acquired ARTI Inc., developer of particle counting systems for optical measurement of contamination in hydraulic oils, water and air, with classification to ISO standards. PSI offers built-in sensors for industrial and mobile hydraulics, to enable continuous monitoring of contamination in the medium. In this way, oil maintenance procedures can be initiated in time.
Hach Ultra Analytics is created from Anatel, ARTi, HIAC, HYT, Met One and Orbisphere brands.
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2004
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POLYMETRON joins Hach Ultra Analytics.
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2005
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Hach Ultra Analytics initiates the implementation of the new company branding – HACH ULTRA
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2006
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Hach Ultra launches 7 new products on the market:
- ORBISPHERE 510 multi channel analyzer
- ORBISPHERE 410 multi channel analyzer
- HIAC 9705 liquid particle counting system
- MET ONE 4500 remote airborne particle counters
- ANATEL TOC600 total organic carbon analyzer
- POLYMETRON 9245 sodium analyzer
- ORBISPHERE G1100 luminescent sensor for process ppb trace level dissolved oxygen measurement
- MET ONE 237S
- HYT 9020
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