Low-frequency RF Card Prepaid Calorimeter

Specifications Low-frequency RF Card Prepaid Calorimeter

1. Digital display

2. SIze: DN20 to DN25

3. Imported PT1000

Hebei Yuanjiang  Low-frequency RF Card Prepaid Calorimeter   Product Introduction RF Card Smart type heat meter  with automatic charging function, when users went to the management department to pay the water fee,the management department will write the heat value the users paid to the contactless IC card,then the user imput the data to the meter,the meter will open the value and supply heating automatically.When the heating used out,the meter will automatically close the value and stop supplyu the heating,avoiding charging disputes and door-to-door reading.In addition,the instrument can meet the needs of water cooled central air conditioning.     Product Image   Main Technical Data  

Nominal diameter(mm)	DN	Mm	20	25
Working pressure		V	DG3.6/2.4Ah
Static working current		μA	<10
Working current		μA	<0.5
Maximum current		μA	<3.5
Normal service life of the battery		Year	More than 6 years
Service life of battery switch		Times	>4000
Service life of valve		Times	>20000
Dimension and weight
Connecting thread	D	mm	G1'	G1' ¼
Length	L	mm	195	225
Width	B	mm	90	110
Height	H	mm	90	110
Weight	W	kg	1.6	2.55
Application
Maximum working pressure		MPa	≤16

  Features  1.Flowmeter measurement without mechanical gear,without magnetic sensor,abration resistance,corrosion resisitance,anti-attac. 2.Low voltage or damage,valves closed automatically and send out alarm when the tempreture sensor open circuit of short circuit,the valve will closed automatically and send the alarm. 3.When the residual heat is lower,the meter will send out the alarm. 4.The software can online ugrade. 5.Using microprocessor MSP430 which is made in TI companies of the United States,ultra-low power consumption,static powder less than 10uA 6.Special encryption algorithm,the secrecy good. 7.One user one card,and can form a complete set for E-caard system.    Other Types we can supply