Minimum rated working voltage: DC 4.5~12V; Max. working current: 15mA (DC 5V); Working voltage range: DC 4.5~12V; Loading capacity: </=10mA (DC 5V); Operating temperature range: </= 80'C; Operating humidity range: 35%~90%RH (No frost); Allow withstand voltage: water pressure 1.75Mpa below; Storage temperature: -25~80'C; Storage humidity: 25%~95%RH;
Output pulse high level: >DC 4.5V (input voltage DC 5V); Output pulse low level: <DC 0.5V (input voltage DC 5V); Accuracy: 10~300 L/min±5% (Flow~pulse output); Output pulse duty factor: 50±10%; Output rise time: 0.04us; Output fall time: 0.18us; Flow~pulse Proficiency test pulse frequency(Hz)=[0.5xQ]±5% (proficiency test) (Q flow L/Min); Impact resistance Exellent package、 no abnormalities from 50cm height X、 Y、 Z free-fall to concrete surfaces、 Accuracy within 10%; Insulation resistance: insulation resistance between Hall element and copper body 100Mohms above (DC 500V); Heat resistance: stay in 48hours under 80±3'C、 back to normal temperature 1~2h、 there is no abnormalities、 and parts no crack、 expansion and deformation、 etc、 accuracy changes within 10%; Low temperature resistance: stay in 48hours under -20±3'C、 back to normal temperature 1~2h、 there is no abnormalities、 and parts no crack、 expansion and deformation、 etc、 accuracy changes within 10%; Moisture-proof: Place in the environment of 40±2'C、 relative humidity 90%~95%RH about 72hours、 insulation resistance 1M ohms; Pull strength: 1 minute 10N pull force in the cable、 don't get loose and snap; Durability: In normal temperature、 pumped in 0.1MPa water pressure in water inlet、 1S connected and 0.5S break off for one circulation、 testing 300000 times、 the product is in normal.
Dimensions: 3.66 in x 2.48 in x 2.20 in (9.3 cm x 6.3 cm x 5.6 cm) Weight: 4.97 oz (141 g)