G Instruments    San Diego, CA 92128
Jan 19, 2012 Equipped with fully programmable RS485 MODBUS RTU communication port, GpH140 Series offers up to 2 pH inputs, up to 2 mV inputs that can be programmed to also accept 11 types of thermocouples, 1 Pt1000 RTD input for -50 to +300°C with absolute error of 0.2°C, and one 4-20 mA input. Built-in cold junction compensation features absolute error of 0.2°C, while all inputs have typical error of 0.03% FS.

Nonin Medical, Inc.    Plymouth, MN 55447
Nov 29, 2011 EQUANOX(TM) Model 7610 serves medical monitoring manufacturers who desire solution for integrating cerebral and tissue oximetry technology into their patient monitoring systems. Regional oximetry noninvasively measures oxygen saturation, allowing clinicians to improve outcomes by peri-operative monitoring on targeted tissue beds. To accommodate different clinical requirements, system comes in 2- and 4-channel configurations and provides Type-A USB connector.

Cole-Parmer Instrument Co.    Vernon Hills, IL 60061
Jan 20, 2011 Oakton pH 6+ Meters feature up to 5-point, pushbutton calibration with autobuffer recognition and display of pH or mV and temperature, while Ion 6+ Meters offer direct readout of ion concentration with preprogrammed calibration points. CON 6+, TDS 6+, and SALT 6+ Meters supply autoranging conductivity or TDS with temperature measurements, and DO 6+ Meters have galvanic probe that does not require any warm-up time. All meters include rubber boot with built-in stand.

Forston Labs    Fort Collins, CO 80524
Oct 01, 2010 NavSpec(TM) Plus Spectrophotometer + Fluorometer allows user to collect full wavelength spectrum, including absorbance, percent transmittance, or intensity, in less than 1 sec. It can also be used to conduct kinetic studies of absorbance vs. time; experiments on enzyme kinetics; and colorimetric or fluorescent bioassays. Optical range is 380-950 nm and product has optical resolution of 2.5 nm. Measuring 15 x 9 x 4 cm, unit includes USB cable and 15 plastic cuvettes with lids.

Cole-Parmer Instrument Co.    Vernon Hills, IL 60061
Sep 22, 2010 Equipped with oversized backlit display and dynamic stability indicator, Oakton® 2700 series includes models for measurement of ion concentration, conductivity/TDS, pH/conductivity/TDS, and dissolved oxygen. All calibration and stored data is stamped with time and date, meeting GLP requirements, and nonvolatile memory stores and recalls up to 500 sets of data. In addition to limit alarm, users can program data logging intervals for continuous monitoring.

Endress + Hauser Inc.    Greenwood, IN 46143
Sep 17, 2010 Accepting data from 2 Memosens sensors, 4-wire Liquiline CM442 measures any combination of turbidity/suspended solids, nitrate, SAC (UV254), ISE, dissolved oxygen, pH/ORP, chlorine, concentration, and conductivity. Digital interface between transmitter and sensor allows 2-way communication of measured variable, calibration data, sensor diagnostic data, and sensor recognition data. Powered by 100-230 Vac, 24 Vac, or 24 Vdc, transmitter provides single alarm output and two 4-20 mA analog outputs.

Control Co.    Houston, TX 77258 8307
Apr 07, 2010 Weighing 5 oz, Traceable® Dissolved Oxygen Pen comes in 1½ in. dia x 8 in. ABS plastic housing that has water-resistant design with o-ring seal and membrane keypad to assure extended life in severe lab or harsh plant environments. Electroluminescent backlight allows display to be read in total darkness, and 3/8 in. high LCD digits simultaneously display oxygen concentration and temperature. Able to recall min/max readings, product offers one-button operation and hold button to freeze reading.

Vernier Co.    Beaverton, OR 97005
Jan 20, 2010 With its 2 different excitation wavelengths centered at 405 and 500 nm, SpectroVis Plus can quantitatively measure fluorescence spectra of various compounds. It has 380-950 nm rage and collects up to 570 values with 1 nm between reported values. Unit collects full wavelength spectrum (absorbance, percent transmittance, or intensity) in less than 1 sec. Once the peak wavelength is determined, user can determine concentration of solution or monitor rates of reaction.

Turner Designs    Sunnyvale, CA 94086
Aug 07, 2008 Incorporating 3 optical sensors, C3 Submersible Fluorometer can detect in vivo Chlorophyll a, blue green algae, rhodamine WT dye, crude oil, CDOM, optical brighteners, as well as turbidity in freshwater, coastal, and open ocean applications. C-Soft user interface enables intuitive calibration, data logging, and data management. Digital data output allows for integration with existing water monitoring systems such as CTDs, dataloggers, vessels of opportunity, and buoys.

Enmet Corp.    Ann Arbor, MI 48106
Jun 18, 2008 Featuring compact design with color LCD, RECON/4 is capable of simultaneously monitoring for CO (0-1,000 ppm), H₂S (0-100 ppm), O₂ (0-30% by volume), and combustible gas (0-100% LEL Methane). Instrument features STEL, TWA, and 2 instant alarms with audio/visual and vibratory indicators; rechargeable battery; and one-button operation. Belt-clip-style product, designed to be intrinsically safe, also offers adjustable alarms and calibration points.

Finesse Solutions, LLC    Santa Clara,, CA 95054
Mar 27, 2008 Consisting of disposable sheath, optical reader, and transmitter, TruFluor(TM) provides in-situ measurement of dissolved oxygen. Sheath can be pre-inserted in disposable bioreactor bag port, and irradiated with bag to preserve and guarantee sterile barrier. All wetted materials of sheath are USP class VI compliant. Optimizing reliability of sensor, transmitter enables automatic entry of calibration and traceability data using RFID, diagnostics, and verification.

Techne Inc.    Burlington, NJ 08016
Feb 29, 2008 Featuring total energy transfer system, temperature-controlled Filter Fluorometers come in 3 models, 2 using photomultiplier detectors and 1 using photodiode detector. All models can display results as either raw fluorescence or in concentration units based on 1-6 calibration points. User interface enables methods to be created and stored, while Intelligent Filter Modules ensure correct excitation and emission filters are fitted.

Opti-Sciences, Inc    Hudson, NH 03051
Oct 05, 2007 Suited for non-invasive study of photosynthesis in plants, crops, and algae, Model OS-5p high-end, multi-mode pulse modulated chlorophyll fluorometer offers optically-monitored sources and sensitive, low-noise detection of fluorescence response. Field-portable unit can also be used for detecting and monitoring environmental stress. It includes LED for power conservation and halogen for high saturation light sources, and can operate continuously for more than 20 hr.

Thermo Electron Corp.    Waltham, MA 02454
Jan 08, 2007 Built to withstand continuous use in severe conditions, Orion 1100 Series combines 6-button operation with LCD display and IP66 rating. Orion 1102PH features auto-buffer-recognition to provide choice of US, NIST, and pure low-ionic pH buffer standards. Incorporating Galvanic oxygen probe technology, Orion 1103DO dissolved oxygen monitor takes 40-50 sec to attain 95% of actual readings, while Orion 1104CD conductivity monitor offers 7 ranges and max measurement range of 1,000 mS/cm.

Ingen Technologies, Inc.    Calimesa, CA 92320
Nov 07, 2006 Suited for use in hospitals, outpatient therapy, nursing homes, and emergency response facilities, OxyView(TM) pneumatic flow meter delivers confirmation of actual continuous flow and volume of oxygen. Lightweight, pneumatic gauge is attached to oxygen tubing just below neck and can be engaged between nose or mouth-mounted cannula where compressed oxygen supply is delivered to cannula through flexible conduit.

Finesse Systems    Irvine, CA 92618
Apr 18, 2006 TruTransmitter series is comprised of 2-wire transmitters that can be pipe or panel mounted and are suitable for pH and dissolved oxygen (DO) measurements. Able to be used as standalone sensors or part of TruBIO Bioreactor Control System, products offer analog and HART isolated 4-20 mA outputs, backlit LCD display, alarms, and relay contacts.

Ingen Technologies, Inc.    Calimesa, CA 92320
Mar 01, 2006 Attached to oxygen tubing just below neck, disposable OxyView(TM) accurately measures oxygen flow-rate close to patient, allowing medical staff to quickly determine any malfunction of oxygen flow between source and patient. Pneumatic, analog gauge can be used with any oxygen delivery source and has additional uses in aviation, fire fighting, and military.

McPherson, Inc.    Chelmsford, MA 01824
May 19, 2005 Quad-channel filter fluorometer gathers data for atmospheric photochemistry to determine effects of pollution on climate and air quality. It uses line emission light sources and band filters for discrete wavelength excitation and is compatible with 6–24 µL HPLC flow cells. Configurable for series or parallel detection, unit employs 4 photomultiplier detectors and provides consolidated control of output amplifier time constant and photomultiplier voltage.

Mettler-Toledo Ingold    Bedford, MA 01730
Oct 27, 2004 Offering advantages of loop-powered design, Model 4100e/2XH includes HART® digital communication and is suited for hazardous areas with ATEX and FM Class 1; Div 1 approvals. Isolated electronics virtually eliminate plant noise and other electrical interferences that can affect oxygen measurement. Model 4100e/2XH is suited for demanding applications in biopharmaceutical, chemical process, and beverage industries.

Mettler-Toledo Ingold    Bedford, MA 01730
Jun 16, 2004 Multi-parameter Series M 700 allows simultaneous measurements of up to 3 parameters such as pH, ORP, conductivity, temperature, and dissolved oxygen. Backlit display shows process parameters, sensor-related data, and differential measurement. Model M 77C features coated steel enclosure for harsh chemical processing in hazardous areas. Model M 700S comes in hygienic stainless steel enclosure for pharmaceutical and food and beverage applications.