Made in China MC Air Pressure Gauge HVAC Gas Tester Differential Pressure Meter Digital Manometer
Introductions:
YW-721 is an instrument for measuring pressure difference.
YW-721 is often used to measure small pressure difference (such as detecting the permeability of a filter), air flow pressure, small suction force, and pitot tube gas flow rate measurement.
YW-721 adopts high-quality pressure sensor with superior performance. It has the advantages of fast, sensitive, good stability and so on.
YW-721 supports zero calibration and point calibration, which can effectively reduce the impact of zero drift
| | | | Parameter | Pressure difference; wind speed | | | | Sensor | Differential pressure sensor | | | | Measuring Range | Pressure: 0~100 hPa
0~45.15 inH2O
Wind Speed: 10~100 m/s (medium density = air density = 1.29 kg/m3) | | | | Accuracy | ±0.03 hPa (0~0.30 hPa)
±0.05 hPa (0.31~1.00 hPa)
±(1.5% readings+0.1 hPa) Other ranges
±0.01 inH2O (0~0.12 inH2O)
±0.02 inH2O (0.13~0.40 inH2O)
±(1.5% readings+0.04 inH2O) Other ranges | | | | Calibration | Zero calibration; point calibration | | | | Unit | Pressure: hPa, kPa, bar, mbar, psi, mmHg, mmH2O, inHg, inH2O, ftH2O, kgf/cm2, ozf/in2
Wins speed: m/s, fpm | | | | Resolution | 0.01 hPa/0.01 inH2O | | | | | | | Sample Interval | 0.5 seconds | | | | Operation Temperature | 0~50℃ | | | | Storage Temperature | -20~60℃ (without batteries) | | | | Power Interface | Micro USB | | | | Power Supply | 3 pcs of 1.5V AAA alkaline batteries /1.2V AAA rechargeable batteries | | | | Battery Life | About 90 hours (when backlight off) | | | | | | | Weight | About 90g (not including batteries) | | | | | | | | |
Features:
• 12 pressure units
• Wind speed measurement
•Zero calibration and point calibration
• Data retention (HOLD)
•Support difference mode
•Query the maximum and minimum values
• Screen with backlight
•Automatic shut-down
• Low battery reminder
Application areas:
• HVAC system
• Fan, blower pressure and wind speed
• filter
• laboratory
• Negative pressure cabin, room
• Pipeline gas pressure
• Please operate the instrument correctly and use it in the environment defined in the technical parameter table.
Precautions:
• Please dispose of waste in accordance with relevant national environmental protection regulations.
• Avoid sun exposure.
• Avoid direct contact with corrosive chemicals.
warn:
• It is forbidden to disassemble without permission!
•Strictly prevent the impact of strong electricity and static electricity!
