IC card prepaid hot water meter

1. The user IC card is used and meter works after the prepayment

2. One card for one or multiple meter

3. Two alarm grade to remind purchasing water

Description

Style	DN mm	Length mm	Width mm	Height mm	Common Flux(m³/h)	Marginal Flux(m³/h)	Minimum Flux(m³/h)	Connecting nut
LXSRGZ-15(hot water)	15	165	85	110	1.5	0.12	0.03	R1/2	G3/4
LXSRGZ-20(hot water)	20	195	85	110	2.5	0.20	0.05	R3/4	G1
LXSRGZ-25(hot water)	25	225	85	110	3.5	0.28	0.07	R1	G1 1/4

Working temperature	0℃~90℃
Relative humidity	≤85%
Working voltage	2.2～4V
Static typical current	≤10μA
LCD display scope	00000.0～99999.9m3
Working lifespan	＞ 8years
Computation grade	C
General pressure	≥1.0Mpa
Pressure loss	≤0.1 Mpa

1. The user IC card is used and meter works after the prepayment

2. One card for one or multiple meter

3. Two alarm grade to remind purchasing water

4. It has the functions of failure checkup.

5. Two billing mode

6. Single water price prepaid mode: The usage quantity is billed bases on single water price and the billing system set the price rate according to the water consumption situation.

Ladder water price prepaid mode: The monthly water consumption quantity is set as multiple ladders by billing system and each ladder has its price. When firstly purchasing the water, the vending system will bill the water according to the preset value, and then secondly purchasing, the system will bill the water bases on your actual water consumption situation of last time.

The formula is:

total price = first ladder price x first ladder water consumption quantity + second ladder price * second ladder consumption quantity + … and so on.