flow meter น้ำ เครื่องวัดอัตราการไหลของน้ำ
Item
Examination requirement
1 Appearance
Clean and beautiful, smooth without burr, without off color
2 Water pressure resistance
performance
1.75 MPa pressure has no slack phenomenon, and parts no crack, relaxation, inflation, and deformation anomaly
3 Operating voltage rang
DC3.5-24V
4 Maximum operating current
15mA
5 The output pulse high level
In 5 V rated voltage, the output of the high level requirements
in 4.5 V above
6 The output pulse low level
In 5 V rated voltage, the output of the low level requirements
in 0.5 V the following
7 The output pulse duty ratio
In the rated voltage, the output pulse occupies emptiescompared
to 50%-10%
8 Flow pulse characteristics
[4.1Q]±10%
9 Insulating property
Dielectric resistance:>100MΩ
10 Electrical strength
AC500V 50Hz(Don't breakdown or flash winding)
11 Electrical strength(100°C)
In 100 °C temperature placed in 72 hours, in the environmental
temperature back after 1 hour the accuracy of measurement
requirements within the plus or minus 5%
12 Cold resistance(-20°C)
In 20 °C temperature placed in-72 hours, in the environmental temperature back after 1 hour the accuracy of measurement requirements within the
plus or minus 5%
13 Mode of connection
Red: the positive, black: negative, yellow:pulse signal
Examination requirement
1 Appearance
Clean and beautiful, smooth without burr, without off color
2 Water pressure resistance
performance
1.75 MPa pressure has no slack phenomenon, and parts no crack, relaxation, inflation, and deformation anomaly
3 Operating voltage rang
DC3.5-24V
4 Maximum operating current
15mA
5 The output pulse high level
In 5 V rated voltage, the output of the high level requirements
in 4.5 V above
6 The output pulse low level
In 5 V rated voltage, the output of the low level requirements
in 0.5 V the following
7 The output pulse duty ratio
In the rated voltage, the output pulse occupies emptiescompared
to 50%-10%
8 Flow pulse characteristics
[4.1Q]±10%
9 Insulating property
Dielectric resistance:>100MΩ
10 Electrical strength
AC500V 50Hz(Don't breakdown or flash winding)
11 Electrical strength(100°C)
In 100 °C temperature placed in 72 hours, in the environmental
temperature back after 1 hour the accuracy of measurement
requirements within the plus or minus 5%
12 Cold resistance(-20°C)
In 20 °C temperature placed in-72 hours, in the environmental temperature back after 1 hour the accuracy of measurement requirements within the
plus or minus 5%
13 Mode of connection
Red: the positive, black: negative, yellow:pulse signal
เปรียบเทียบราคา flow meter น้ำ เครื่องวัดอัตราการไหลของน้ำ
Electrical parameters
No.
Item
Examination requirement
1 Appearance
Clean and beautiful, smooth without burr, without off color
2 Water pressure resistance
performance
1.75 MPa pressure has no slack phenomenon, and parts no crack, relaxation, inflation, and deformation anomaly
3 Operating voltage rang
DC3.5-24V
4 Maximum operating current
15mA
5 The output pulse high level
In 5 V rated voltage, the output of the high level requirements
in 4.5 V above
6 The output pulse low level
In 5 V rated voltage, the output of the low level requirements
in 0.5 V the following
7 The output pulse duty ratio
In the rated voltage, the output pulse occupies emptiescompared
to 50%-10%
8 Flow pulse characteristics
[4.1Q]±10%
9 Insulating property
Dielectric resistance:>100MΩ
10 Electrical strength
AC500V 50Hz(Don't breakdown or flash winding)
11 Electrical strength(100°C)
In 100 °C temperature placed in 72 hours, in the environmental
temperature back after 1 hour the accuracy of measurement
requirements within the plus or minus 5%
12 Cold resistance(-20°C)
In 20 °C temperature placed in-72 hours, in the environmental temperature back after 1 hour the accuracy of measurement requirements within the
plus or minus 5%
13 Mode of connection
Red: the positive, black: negative, yellow:pulse signal
flow meter น้ำ เครื่องวัดอัตราการไหลของน้ำ ราคาถูกสุดกดดูที่ร้านค้า
No.
Item
Examination requirement
1 Appearance
Clean and beautiful, smooth without burr, without off color
2 Water pressure resistance
performance
1.75 MPa pressure has no slack phenomenon, and parts no crack, relaxation, inflation, and deformation anomaly
3 Operating voltage rang
DC3.5-24V
4 Maximum operating current
15mA
5 The output pulse high level
In 5 V rated voltage, the output of the high level requirements
in 4.5 V above
6 The output pulse low level
In 5 V rated voltage, the output of the low level requirements
in 0.5 V the following
7 The output pulse duty ratio
In the rated voltage, the output pulse occupies emptiescompared
to 50%-10%
8 Flow pulse characteristics
[4.1Q]±10%
9 Insulating property
Dielectric resistance:>100MΩ
10 Electrical strength
AC500V 50Hz(Don't breakdown or flash winding)
11 Electrical strength(100°C)
In 100 °C temperature placed in 72 hours, in the environmental
temperature back after 1 hour the accuracy of measurement
requirements within the plus or minus 5%
12 Cold resistance(-20°C)
In 20 °C temperature placed in-72 hours, in the environmental temperature back after 1 hour the accuracy of measurement requirements within the
plus or minus 5%
13 Mode of connection
Red: the positive, black: negative, yellow:pulse signal
flow meter น้ำ เครื่องวัดอัตราการไหลของน้ำ ราคาถูกสุดกดดูที่ร้านค้า
flow meter น้ำ เครื่องวัดอัตราการไหลของน้ำ
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