Omega Engineering, Inc.
Stamford, CT 06907
May 16, 2008 Model DOH-20D features digital LCD screen that can show dissolved oxygen (DO) in either mg/liter or percent of saturation and temperature simultaneously. Featuring memory storage and recall with data hold function, unit can store up to 16 sets of temperature and DO values. Device has low-battery and consumption indicators, and comes complete with sensor, 2 membrane caps, 20 mL of electrolyte, pipette, rubber protective cover, 9 V battery, and operator's manual.

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.

LI-COR, Inc.
Lincoln, NE 68504
Jul 10, 2006 Available in 8- or 16-port configurations, LI-8150 Multiplexer is capable of assessing spatial and temporal variability in CO2 flux. It allows up to 16 chambers to be controlled by single LI-8100 Analyzer Control Unit, which can monitor total coverage area of up to 30 m dia. Weatherproof case protects internal solenoid valves, control electronics, LED indicator panel, and filter assemblies. Flash memory or Compact Flash cards can be used for storing readings.

Draeger Safety, Inc.
Pittsburgh, PA 15230
Feb 07, 2005 Model X-am 7000 can be fitted with 3 electrochemical and 2 IR optical or catalytic sensors to simultaneously measure up to 5 gases. Available with choice of 25+ sensors, product is capable of detecting 100+ gases and vapors. Instrument features IP67 ingress protection and leak detection mode with ppm bar graph. Intelligent sensors feature EEPROM that stores information pertaining to gas identification, alarm functions, measurement data.

Severn Trent Services
Fort Washington, PA 19034-2707
Oct 10, 2003 Aztec(TM) Series 5000 automated aeration basin monitoring system for wastewater treatment plants provides dissolved oxygen and mixed liquor suspended solids control. It features built-in data logging and remote communications and is capable of single, dual, or combined measurements. Unit incorporates pneumatic cylinder and shroud assembly for in-situ cleaning and calibration, and replaceable cell that does not require electrolyte or membrane replacement.

Thermo Electron Corp.
Waltham, MA 02454-9046
Feb 14, 2003 Dissolved Oxygen AUTO-STIR Probe works with Model 862A DO/BOD/Temperature Meter. Built-in stirrer provides vigorous sample agitation preventing oxygen stratification. Free standing probe stand functions as air calibration beaker and can store probe when not in use. Probe includes one-touch control, dual automatic temperature compensation, and low maintenance polarographic design.

WTW Measurement Systems, Inc.
Ft. Meyers, FL 33916-7597
Apr 03, 2002 Waterproof WTW 340i Series is available in field/lab sets that allow meter to be used for field dissolved oxygen (DO) and lab biological oxygen demand (BOD) measurements. Unit comes with field probe and StirrOx(R) self-stirring BOD probe. Probes can be interchanged and used immediately with no warm-up period required. Meter has automatic calibration, LCD display, real-time clock, RS232 interface, data logger, and 3 yr warranty.

Kernco Instruments Co., Inc.
El Paso, TX 79927 7338
Feb 12, 2002 LCD digital meter is designed to measure dissolved oxygen in field or laboratory with DO accuracy of ±1.5% full scale and temperature accuracy of ±1% full scale. O2 measurement range is 0.00 to 19.00 PPM, and temperature range is 0.0° to 50.0°C. Both are displayed on 3.5 digit LCD readout with 1/2 in. high numerals. Meter includes automatic temperature compensation over range of 0° to 30°C. It uses 9V battery for 100 hrs continuous service.