Single Jet Class B with Pulse Output Water Meter

Product Description

10 liters/pulse, reed switch for DN15
10 liters/pulse, reed switch for DN20
10 liters/pulse, reed switch for DN25
The operation description of the two reed switches system
Please see the diagram of the two reed switches system below, the two reed switches woud be operated "ON" OR"OFF" respectively by the magnet fitted to the pointer or gear during its running on the register,but never "ON" at the same time ,unless the out- magnet attackes.The two reed switches operate two "ON" and two "OFF" in one round of the pointer or the
gear means one signal output,this principle prevent the loss or overcounting of the signal output due to the switches joggling or the pipe vibrating ,so assures reliability of the signal output.
Description:
This range of water meter is used to measure the total quantity of cold(hot) potable water which consumed in household or a resident unit, passing through the pipeline.
Compliance with standard: ISO 4064 Class B
FEATURE:
Dry-dial, magnetic drive, Resistance to exterior magnet interference
Single-jet
Brass body
Selected high quality materials for steady&reliable characteristic
Vacuum sealed register ensures the dial kept free from fog and keep the reading clear in a long term service
Measuring accuracy conform to ISO 4064 class B Standard
Inner adjusting device for option
Hot water or cold water meter are selectable
Small in size and light in weight
WORKING CONDITION:
Water temperature: ≤40°C for cold water meter
Water temperature: ≤90°C for hot water meter
Working pressure: ≤1.6MPa
MAIN TECHNICAL DATA:

Meter size Dia DN (mm)	Class	QS Overload Flow	Qp Nominal Flow	Qt Transitional Flow	Qmin Min Flow	Min Reading Lectura	Max Reading Lectura
		M3 /h		1/h		M3
15	A	3	1.5	150	60	0.0001	99999
	B			120	30
20	A	5	2.5	250	100	0.0001	99999
	B			200	50
25	A	7	3.5	350	140	0.0001	99999
	B			280	70

INDICATING ERROR
At low zone is ± 5% from minimum flow rate (qmin) to transitional flow rate (qt) exclusive boundary
At high zone is ± 2% from transitional flow rate (qt) to overload flow rate(qt)
DIMENSIONS AND WEIGHT

Meter size Dia DN (mm)	L Length	B Width	H Height	Connecting Thread D	Weight Kg
	mm
13	110	80	80	G3/4" B	0.7
20	130	80	80	G1" B	0.95
25	160	80	93	G13/4" B	1.4

If you are interested in our water meter, please feel free to contact us!

Contact Person	Kens Liu

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