Description
Minimum rated working voltage: DC 5V-24V
Maximum operating current: 15 mA (DC 5V)
Operating voltage range: DC 5~18 V
Load capacity: ≤10 mA (DC 5V)
Operating temperature range: ≤80°C
Humidity range: 35% to 90% RH (no frosting)
Allowable withstand pressure: water pressure below 1.75Mpa
Storage temperature: -25 ~ +80 ° C
Preservation humidity: 25% to 95% RH
Output pulse high level: >DC 4.5 V (input voltage DC 5 V)
Output pulse low level: Accuracy (flow--pulse output): 10~300L/min±3%
Output pulse duty cycle: 50±10%
Output rise time: 0.04μS
Output fall time: 0.18μS
Flow-pulse characteristics: horizontal test pulse frequency (Hz) = [0.2* Q] ± 3% (level test) (Q is flow rate L/min)
Impact resistance: The product is packed well, free from the 50cm height X, Y, Z direction to the concrete surface without abnormalities, the accuracy changes within 5%.
Insulation resistance: The insulation resistance between the Hall sensor and the copper valve body is 100 MΩ or more. (DC 500V)
Heat resistance: placed in 80±3°C environment for 48h, returning to normal temperature for 1-2h without abnormality, and the parts have no crack, slack, expansion, deformation, etc., and the accuracy changes within 10%.
Cold resistance: placed in -20±3°C environment for 48h, returned to normal temperature for 1-2h without abnormality, and the parts have no crack, slack, expansion, deformation, etc., and the accuracy changes within 10%.
Moisture resistance: After being taken out for 72 hours in an environment of 40±2°C and relative humidity of 90% to 95% RH, the insulation resistance is 1 MΩ or more.
Pulling strength: Applying a pulling force of 10N for 1 minute on the lead wire, no looseness or breakage, and no change in performance.
Durability: At normal temperature, 0.1MPa water pressure is introduced from the water inlet to turn on 1S, and 0.5S is turned off.
