Specifications

1.Good quolity and low price;
2.Low power consumption
3.Unique battery protection

Specifications

1. security usage 
nvenient installation 
3.quality assured 
4.best service 

Nominal Diameter	Class	Overload Flow	Nominal Flow	Transitional Flow	Min Flow	Min Reading	Max Reading
mm		m3/h				m3
15	B	3	2.5	Q3/Q1=80 Q2/Q1=1.6		0.00005	9999
20	B	5	4.0			0.00005	9999
25	B	7	6.3			0.00005	9999

Working Condition:

 <1>Base table:

   a.Pressure:≤1MPa or 1.6MPa

   b.Temperature:for cold water meter 0.1 degree~30 degree

<2>Optical remote sensor:

         a.Temperature:-20 degree~+50 degree

b.Relative Humidity:10%~93%

c.Air Pressure:86kPa~106kPa

     Pressure loss:

  P<0.063MPa

     Measurement Class: A(Accuracy)

  The Max permissible error between 0.1degree and degree:

     a.In the upper zone(Q2≤Q≤Q4)is ±2%

     b.In the lower zone(Q1≤Q≤Q2)is ±5%

 

Nominal Diameter	Length(L1)	Length(L)	Width(B)	Height(H)	Connecting Thread
	mm				D	d
15	165	259	95.5	105.5	G3/4B	R1/2
20	195	299	95.5	104.5	G1B	R3/4
25	225	345	100	116.5	G11/4B	R1
32	230	365	104	117	G11/2B	R11/4

 

Communication Way:RS485 bus

Max working current:20mA

Average power consumption

(only while meter reading):<50mW