The fundamental sensor technology employed within this instrument is the Resonant Pressure Transducer
The 740 is a portable battery powered precision barometer, providing outstanding capabilities in a hand-held package.
The fundamental sensor technology employed within this instrument is the Resonant Pressure Transducer (RPT). This vibrating element sensor not only provides accuracies of ±0.005 inHg but equally important has a calibration stability of better than 100 ppm per year. This instrument can confidently be used in both laboratory and field applications as a first-class barometric reference device, with the recommended recalibration period being one year.
A variety of pressure scales is available to enable the operator to display the atmospheric pressure in any desired units or in height equivalent units for altimetry and surveying applications. With the serial RS 232 interface, it is possible to utilize the 740 data as input parameters to computer systems or simply print out the displayed values.
The 740's ABS molded case has been designed for hand-held use, either in field applications, or for use on the bench with its integral folding stand.
Features
Accuracy ±0.005 inHg absolute
Ranges to 100 inHg A
6 Digit resolution LCD display
Multiple pressure scales and aeronautical units
Lightweight hand-held rugged design
RS 232 output
CAT NO.
MODEL
DEscRIPTION
AVAIL
PRICE
DR639406
DPI740
PORTABLE PRECISION BAROMETER
Yes
4,093,200
DR639407
DPI740 1-38IN.HGA
PORTABLE PRECISION BAROMETER
Yes
4,093,200
DR639408
740
Precision Digital Barometer, (1-77 in. HgA)
Yes
4,093,200
DR639409
740
Precision Digital Barometer, (1-103 in. HgA)
Yes
4,093,200
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