MJ-HZ21WI (44MM)

Item

Examination requirement

 Appearance

Clean and beautiful, smooth without burr, without off color

Water pressure resistance performance

1.75 MPa 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

1-30L/Min

Operating voltage range

DC4.5-18V

Max operating current

15mA

The output pulse high level

In 5 V rated voltage, the output of the high level requirements in 4.5 V above

The output pulse low level

In 5 V rated voltage, the output of the low level requirements in 0.5 V the following

The output pulse duty ratio

In the rated voltage, the output pulse occupies emptiescompared to 50%±10%

Flow pulse characteristics

F=［11Q-3］±10%, F for instantaneous pulse value (HZ), Q for transient flow (L/min)

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