ST-8890 Digital Differential Pressure Meter Manometer with USB Port up to 5psi
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This is a brand new ST-8890 
certified digital differential pressure manometer from Ruby
Electronics. This top-of-the-line device features 11 selectable units
of measurement, including psi, bar, kPa, mmHg etc. Additional features
including Data Hold, Auto Power off, and a mini-USB port for computer
connection. A heavy duty carrying case is also included for the protection of the device and your convenience when working in the field.
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Large dual LCD with back light
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Data hold
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Max / Min / Avg value with relative time stamp
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Zero adjust, offset and DIF function
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Low battery indication
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Auto power off
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USB to mini-USB cable for uploading measurement data to the computer via its mini USB port
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Optional Windows software is included for FREE (Note: the software is included AS IS. No software development kit or support available).
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| Accuracy |
+ 0.3% FSO |
| Repeatability |
+ 0.2% (Max, + 0.5% FSO) |
| Linearity |
+ 0.29% FSO |
| Pressure Range |
+ 5 PSI (+ 138.3 inH2O) |
| Units and resolution |
inH2O |
0.1 |
| psi |
0.001 |
| mbar |
0.1 |
| kPa |
0.01 |
| inHg |
0.001 |
| mmHg |
0.1 |
| ozin2 |
0.01 |
| ftH2O |
0.01 |
| cmH2O |
0.1 |
| kgcm |
0.001 |
| bar |
0.001 |
* Maximum pressure: 20 PSI
* Dimensions: 210X 75 X 50mm
* Weight: 280g
