Product parameters:
Basic parameters:
1. Minimum rated operating voltage DC4.5
2. Maximum operating current 15 mA (DC 5V)
3. Operating voltage range 5V-24V
4. Load capacity ≤ 10 mA (DC 5V)
5. Operating temperature range ≤ 80℃
6. Operating humidity range: 35%~90% RH (without frost formation)
7. Allowable pressure resistance water pressure below 1.75Mpa
8. Storage temperature: - 25~+80℃
9. Storage humidity: 25%~95% RH
Technical requirements:
1. Output pulse high level>DC4.5V (input voltage DC5V)
2. Output pulse low level
3. Accuracy flow rate - pulse output) within 1~30L/min ± 1%
4. Output pulse duty ratio 50 ± 10%
5. Output rise time 0.04 μ S
6. Output drop time 0.18 μ S
7. Flow pulse characteristic: horizontal test pulse frequency technique (Hz)=[5.5Q] ± 2% (horizontal test) (Q should flow L/min)
8. Impact resistance: The product is packaged well, and falls freely from a height of 50 cm in X, Y, and Z directions to the concrete surface without abnormality, with an accuracy change of within 10%
9. Insulation resistance: The insulation resistance between the sensor and the copper valve body is above 100MQ. (DC 500V)
10. Heat resistance: Place in an environment of 80 ± 3 ℃ for 48 hours, return to normal temperature for 1-2 hours, and there is no abnormality with an accuracy change of within 10%
11. Cold resistance: Place in an environment of - 20 ± 3℃ for 48 hours, return to normal temperature for 1-2 hours, and there is no abnormality. the accuracy change is within 10%.
Frequency: F=5.5 * Q (L/Min)
Error: ± 2%
Voltage: 3.5-24VDC, current cannot exceed 10mA
Output waveform: square wave
Output 330 pulses after flowing a liter of water
Frequency calculation=constant 5.5 * unit flow rate (L/min) * time (seconds)
Flow range: 1-60L/min