Item
Examination requirement
Water pressure resistance performance
0.35MPa pressure has no slack phenomenon, and parts no crack, relaxation, inflation, and deformation anomaly
Working medium
Water, water standard, use for a long time the temperature is not more than 60 ℃
Flow range
0.2-6L/Min
Operating voltage range
DC4.5-18V
Max operating current
10mA
output pulse high level
In 5 V rated voltage, the output of the high level requirements in 4.5 V above
output pulse low level
In 5 V rated voltage, the output of the low level requirements in 0.5 V the following
output pulse duty ratio
In the rated voltage, the output pulse occupies empties compared to 50%±10%
Flow pulse characteristics
F=25*Q ±10%
Insulating property
Dielectric resistance＞100MΩ
Electrical strength
AC500V 50Hz (Don't breakdown or flash winding)
Electrical strength(80℃)
In +80 ℃ temperature placed in 72 hours, in the environmental temperature back after 1 hour the accuracy of measurement requirements within the plus or minus 5%
Cold resistance(-20℃)
In- 20 ℃ temperature placed in-72 hours, in the environmental temperature back after 1 hour the accuracy of measurement requirements within the plus or minus 5%
Mode of connection
Red: the positive, black: negative, yellow: pulse signal
