Basic Info.
Parameter
Pressure Difference; Wind Speed
Sensor
Differential Pressure Sensor
Resolution
0.01 Hpa/0.01 Inh2o
Calibration
Zero Calibration; Point Calibration
Sample Interval
0.5 Seconds
Specification
135*57*30mm
Production Capacity
50000PCS/Year
Product Description
YW-721 Dual Differential Input Manometer Product Description
Specifications DESCRIPTION:
YW-721 is an instrument for pressure difference measurement. YW-721 is often used to measure the small pressure difference (such as detecting the permeability of the filter), air flow pressure, small suction force, and pitot tube gas flow rate measurement.
FEATURES: 12 pressure units Wind speed measurement Zero calibration and point calibration Data retention (HOLD) Difference mode supported Query the maximum and minimum values Display with backlight Automatic shut down Low power reminder
| APPLICATIONS: HVAC system Pressure and wind speed of fan and blower Filter Laboratory Negative pressure cabin, room Pipeline gas pressure
|
Model | YW-721 |
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 |
Resolution | 0.01 hPa/0.01 inH2O |
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 |
Pitot Tube Coefficient | 1 |
Sample Interval | 0.5 seconds |
Operation Temperature | 0~50ºC |
Storage Temperature | -20~60ºC (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) |
Size | 135*57*30mm |
Case Material | ABS |
Weight | About 90g (not including batteries) |
Certificate | CE; ROHS |
Warranty | 12 months |
Product Display
Company Profile
FAQ Q. Do you make custom products?
A. Yes, we offer OEM/ODM solutions for our clients.
Q. How long is your lead time for samples?
A. 5-7 days. For bulk orders, 10-30 days depending on the quantity.
Q. What is your terms of payment?
A. 100% for small orders. 30% in advance as deposit and 70% balance before the delivery.
Q. How can we pay?
A. You can pay via T/T, PayPal and Western Union.
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