Barometers
Technel has a wide range of barometer manufacturers to choose from with different accuracy levels serving several applications. There are stand alone bench top units or individual transducers available. Mensor has transducers, portable hand-held units and bench top lab models with uncertainties from 100 ppm to 300 ppm of reading. The Honeywell HPB transducer has built-in temperature compensation from -40 to 85 degrees C and meets FAA specification. Paroscientific features barometric transmitters, transducers and laboratory standard barometers with uncertainties to 80 ppm.
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Paroscientific manufactures high accuracy, high stability standalone Barometry standards in various form factors. Digital indicators and intelligent transducers are equally popular. Paroscientific barometers are pressure sensors with special ranges and extra high accuracy crystals. Barometric Range: 50 to 110 kPa Pressure Accuracy: 8 Pa or better Achievable Pressure Resolution: 10 ppb (0.001 Pa) or better
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The 745-2 Regional Standard Barometer is a custom Technel unit developed for Environment & Climate Change Canada SPECIFICATIONS: 745-2 Regional Standard Barometer, consisting of:- 2 Paroscientific model 745-16B Lab standard with the following features:
- Accuracy: 0.008%
- Resolution = 0.0001%
- Password protection
- Rate of pressure change
- Adjustable number of display digits
- Sensor temperature
- Pressure bar graph
- Front panel Menu system with two-lines display
- 110VAC or battery operation
- Range: 800-1100 mBars
- Custom front mounting plate with silk screening
- Custom back panel with two pressure ports, RS-232
- Plumbed with AN-4 fittings, S/S tabulations and wired
- Units mounted on a custom plate for easy access and battery replacement
- ISO 9001 quality system
- NIST traceable calibration – Optional ISO-17025 calibration
- Calibration and operational SW compatible with all Paroscientific units
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A ruggedized portable pressure transfer standard, the Paroscientific model 765 is ideal for field applications requiring high precision and accuracy. The Paroscientific 765 is used extensively throughout Canada’s North for remote airstrips and scientific expeditions. Available Ranges: Barometric, 0-15 through 0-40,000 psia, 0-15 through 0-200 psig Accuracy: 0.008% FS Resolution: 0.0001% FS Integral data logging capabilities – stores over 390,000 data points NIST-Traceable calibration certificates RS-232 and USB interfaces Free software for Data retrieval, calibration, and programming ~150 hr operation on internal rechargeable battery