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Airflow Sensors

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Product Name:Airflow Sensors

Airflow Sensors

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Product Description:

AWM3300V Airflow Sensors Microbridge Mass Airflow/Amplified
Like the AWM2000 Series, the dual Wheatstone bridges control airflow measurement. The AWM3000 Series is amplified; therefore, it can be used to increase the gain and to introduce voltage offsets to the sensor output.

AWM3300V Airflow Sensors Features

Laser trimmed for improved sensor interchangeability
Flow sensing up to 1.0 SLPM
Low differential pressure sensing

AWM3000 SERIES ORDER GUIDE (Performance Characteristics @ 10.01 ±0.01 VDC, 25°C)

Catalog Listings	AWM3300V
Flow Range (Full Scale)	+1000 sccm
Pressure Range (See Application Note 1)
Output Voltage @ Trim Point	5 VDC @ 1000 sccm
Null Voltage	1.00 ±0.10 VDC
Null Voltage Shift, Typ. +25°to25°C, 25°to +85°C	±25 mV
Output Voltage Shift, Max. +25°to25°C +25°to +85°C	5% Reading +5% Reading
Repeatability & Hysteresis, Max.	±1% Reading

	Min.	Typ.	Max.
Excitation VDC (Note 2)	8.0	10±0.01	15
Power Consumption (mW)		50	60
Response Time (msec) (Note 1)		1.0	3.0
Common Mode Pressure (psi)			25
Temperature Range	Operating: 25° to +85°C (13° to +185°F); Storage: 40° to +90°C (40° to +194°F)
Termination	2,54 mm (.100N) centers, 0,635 mm (0.025N) square
Weight (grams)	10.8
Shock Rating	100 g peak (5 drops, 6 axes)

Notes:
1. Initial warm-up time for signal conditioned circuitry is 1 minute max.
2. Output Voltage is ratiometric to supply voltage.
3. Temperature shifts when sensing differential pressure correlates to the density change of the gas over temperature. (See Application Note 1.)
4. Maximum allowable rate of flow change to prevent damage: 5 SLPM/1 sec.