Measurement Specialties, Inc.    Hampton, VA 23666
Feb 26, 2013 Consuming 0.6 μA during operation and less than 0.15 μA during standby, MS5637-02BA03 micro altimeter requires 4 pads for operation and uses I²C communication. At max resolution of 0.016 mBar, equivalent to 13 cm of elevation, this 24-bit DS ADC integrated digital pressure sensor has accuracy of ±2 mBar at 25°C for 300–1,200 mBar range and temperatures from -20 to +85°C. Module also includes temperature measurement capabilities, with accuracy of ±2.0°C and resolution of less than 0.01°C.

Control Co.    Houston, TX 77258 8307
May 13, 2010 Available in rugged ABS plastic case measuring 1½ in. dia x 8 in., Traceable® hygrometer/thermometer/barometer/dew point pen has user selectable dual display that shows humidity/temperature, humidity/dew point, barometer/temperature, or barometer/humidity. Features include electronic capacitance polymer film sensor, HOLD button that freezes reading on display, and 3/8 in. high LCD digits. Product can recall minimum/maximum readings on press of button.

Sun Co., Inc.    Arvada, CO 80004
Feb 25, 2010 Measuring 2.6 x 2.7 x 1.2 in., AltiLINQ(TM) weighs 2.9 oz and mounts to top or front of dashboard with adjustable bracket. It features battery-free analog design, and hook-and-loop adhesion system with second attachment to move it from one vehicle to another. Available with black heat-treated finish, Alti(TM) measures 2.4 x 3.7 x 1.1 in., weighs 3.3 oz, and has aluminum carabiner that clips on pack or belt loop. Both altimeters can be custom-imprinted.

Vaisala, Inc.    Woburn, MA 01801 1008
Nov 01, 2007 Allowing users to monitor measurement trends, BAROCAP® Digital Barometer PTB330 provides wide range of high-end atmospheric pressure measurements. Incorporating 1, 2, or 3 BAROCAP® sensors, it continuously compares readings of pressure sensors against one another when 2 or 3 sensors are used and provides information on whether these are within set of internal difference criteria. Unit can calculate and output QNH and QFE pressures used in aviation.

Control Company    Friendswood, TX 77546
May 03, 2006 Traceable® Workstation Digital Barometer measures atmospheric pressure from 23.62-31.01 in. Hg with resolution of 0.03 in. Hg and accuracy of ±0.09 in. Hg. With resolution of 0.5° and accuracy of ±1°C, it reports temperature from 15 to 158°F. Clock shows time in AM/PM and 24-hr formats, while graphic barometric trend shows present reading as well as previous 1, 3, 6, and 12 hr readings in bar-chart format.

Control Company    Friendswood, TX 77546
Dec 22, 2004 NIST Traceable® Precision Barometer measures atmospheric pressure from 954-1,073 mbar and 28.1-31.7 in. of mercury with resolution of 0.05 in. Hg. Accuracy is ±0.5% of reading. Housed in corrosion-proof, nickel-chrome case, unit features adjustable pointer that may be set to indicate changes. Barometer measures 4.5 in. diameter and includes altitude adjustment screw, notched desk stand, and wall mount.

Allivan Marketing    Tyngsboro, MA 01879
Nov 15, 2002 Consisting of 64 in. U-shaped tube filled with red, non-toxic silicon fluid and gas, Eco-celli® Barometer is mercury-free liquid barometer that is as accurate as standard liquid barometers but contain no hazardous material. Scale slides between 32 in. methyl-alcohol thermometer and barometer to compensate for thermal expansion of silicon fluid due to changes in room temperature and provides accurate, easy-to-obtain results.

Control Co.    Houston, TX 77258 8307
Aug 28, 2002 Traceable® Precision Barometer has triple scales which provide measure of atmospheric pressure from 954 to 1073 millibars, 28.1 to 31.7 in. of mercury, and 715 to 805 mm of mercury with resolution of 0.5 mbar, 0.05 InHg, and 0.5 mmHg. Accuracy is ±1 mbar, ±0.03 InHg, and ±0.3 mmHg. Response time is 1 to 4 hours. Unit is housed in corrosion-proof, nickel-chrome case. It includes altitude adjustment screw, notched desk stand, and wall mount. Size is 4.5 in. dia by 1.5 in.

Pressure Systems, Inc.    Hampton, VA 23666
May 16, 2002 Serial interface added to Series 970 Intelligent Quartzonix(TM) pressure standard directly connects Series 970 to data monitoring devices, and enables users to switch between RS232 and RS485 protocols. Series 970 combines vibrating quartz beam with miniature digital electronics to achieve fully compensated +/-0.01% FS static accuracy and resolution of +/-0.001% FS. It is available in pressure ranges up to 500 psia with standard calibrated temperature of 0 to 60 deg C.