Environmental Instruments

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They develop and manufacture products and services for environmental and industrial measurement.

Vaisala – Environmental and Industrial Systems

Vaisala’s origins date back to the 1930’s when Professor Vilho Väisälä, Vaisala’s founder and long-time managing director, invented some of the operating principles of a radiosonde. He sent the first Finnish radiosonde aloft in December 1931….History – Vaisala

Humidity and Temperature Transmitter Series HMT330

Humidity and Temperature Transmitter Series HMT330

The HMT331 is the top-of-the-line wall-mounted transmitter for demanding HVAC and condition monitoring applications.

“The instrument offers a wide variety of different psychrometric units, including dew point, enthalpy, wet bulb temperature, absolute humidity, and mixing ratio.”

Vaisala Oyj
Vanha Nurmijärventie 21, 01670 Vantaa
P.O. Box 26, FI-00421 Helsinki, Finland

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Comprehensive instruments and systems – Gas Chromatographs, Process Gas and Liquid analyzers, sensors and systems for efficiency, quality, and environmental analysis solutions.

Rosemount Analytical – Emerson Process Management

Model 1056 is a Multi Parameter Instrument, single or dual input. It has pH/ORP/ISL, Resistivity/Conductivity, % Concentration, Chlorine, Oxygen, Ozone, Temperature, and many more. A large easy-to-read process measurement display.

Model 1056 Intelligent Dual Input Analyzer

Model 1056 Intelligent Dual Input Analyzer

This multi­parameter instrument offers a wide range of measurement choices supporting most industrial, commercial, and municipal applications. The modular design allows signal input boards to be field replaced making configuration changes easy.

  • HART and Profibus DP digital communications are available..
  • The Model 1056 accepts single or dual sensor input.
  • Inputs are isolated from other signal sources and earth ground.
  • Two 4­-20 mA or 0­-20 mA current outputs are electrically isolated.

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Electronic instruments for the measuring of the following parameters: Temperature, Relative Humidity, Pressure, Light, Acoustics, pH, Conductivity, Dissolved Oxygen and Wind speed.

Delta OHM – Process and Environmental Instruments

The HD2106.1 and HD2106.2 are portable instruments with a large LCD display They measure conductivity, liquid resistivity, total dissolved solids (TDS) and salin ity using combined 4-ring and 2-ring conductivity/temperature probes. Temperature only is measured by Pt100 or Pt1000 immersion, penetration or contact probes.

Delta OHM - Process and Environmental Instruments

HD 2106 Conductivity Meters – Thermometers

The HD2106.2 is a datalogger. It memorizes up to 36,000 conductivity and temperature samples that can be transferred from the instrument connected to a PC via the multi-standard RS232C serial port and USB 2.0. The storing interval, printing, and baud rate can be configured using the menu.

Delta OHM
S.r.L. Via G.Marconi, 5 – 35030 Caselle di Selvazzano, Padova (PD) ITALIA

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Sensidyne was founded in 1983 as a manufacturer and distributor of gas detection equipment. In 1995, the Gilian Instrument Company was acquired to expand the existing line of vapor and particulate personal sampling pumps.

Sensidyne – Air Monitoring systems

Sensidyne is a leading provider of gas detection systems designed to detect toxic and combustible gas levels in ambient air in a variety of industries.

Sensidyne Technical Library

Library of Technical of Manuals and Support Documents for Sensidyne Products

The products the design and manufacture include – Sound and Vibration Instruments, Air Sampling Pumps and Equipment and Gas Detection Sensors and Instruments.. They also have some specialized instruments like the Sensidyne CDEM-1000  a Portable, Direct-reading Coal Dust Explosibility Meter.

Sensidyne Nephelometer - Aerosol Monitor

Sensidyne Nephelometer – Aerosol Monitor 

The Sensidyne Nephelometer is an advanced real-time dust monitor (aerosol monitor) accurately measuring dust concentrations using proven light scatter technology.

This portable instrument accurately measures and records dust from 1-10,000 μg/m3 with resolution to 1 μg/m3. Sample modes are selectable between 60 second sample, 15 minute STEL, or continuous sampling.

Sensidyne, LP
1000 112th Circle North, Suite 100 St. Petersburg, FL 33716 U.S.A.