Air Flow Meters
Red IN connected to positive pole
Yellow OUT signal output
Black GND connected to negative pole
Allowable pressure: below 1.2Ma water pressure
Output pulse high level:> 4.5V
Output pulse low level: Output pulse duty cycle: 50%±10%
Maximum working current: 15mA
Output signal: NPN pulse signal
Interface size: G1
Rated voltage: 5V
Material: Aluminum
Water pressure resistance: 1.2Ma
Working voltage range: 5-24V
Flow range: 3-60L/M (Liquid is Diesel oil )
Pulse frequency: (Hz)=[0.58*Q]±1% [Q----L/min] 35PULSE/L water
Allowable pressure: below 1.2Ma water pressure
Output pulse high level:> 4.5V
Operating temperature:80
Scope of application: Suitable for liquids with low viscosity, pure water is not acid or alkali
1. Minimum rated working voltage 5V-24V
2. Maximum working current 15 mA ( 5V)
3. Working voltage range 5-24 V
4. Load capacity 10 mA ( 5V)
5. Operating temperature range 80
6. Using a humidity range of 35% to 90% RH (without frost formation)
7. Permissible pressure resistance water pressure below 1.75Mpa
8. Storage temperature -25~+80
9. Storage humidity of 25% to 95% RH
1. Output pulse high-level> 4.5 V (input voltage 5 V)
3. Accuracy
(Flow rate - pulse output) Within 1% of 3-60 L/min (liquid is diesel)
4. Output pulse duty cycle 50 ± 10%
5. Output rise time 0.04 S
6. Output drop time 0.18 S
7. Flow pulse characteristic level test pulse frequency (Hz)=[0.58 * Q] ± 1% (horizontal test) (Q is the flow rate L/min)
8.
The impact product is well packaged and can freely fall from a
height of 50cm in the X, Y, and Z directions onto the concrete surface
without any abnormalities,
Accuracy changes within 10%.
9. The insulation resistance between the Hall sensor and the copper valve body is over 100M . ( 500V)
10.
Heat resistance: After b