RF Card Prepaid Brass Water Meter,Water Meter with Prepayment Function,Radio Frequency Prepaid Water Meter ApplicationRadio frequency intelligent water meter is the new measuring instrument employing the microprocessor to realize water collection, processing, displaying and reserving. It is a kind o......

Application
Radio frequency intelligent water meter is the new measuring instrument employing the microprocessor to realize water collection, processing, displaying and reserving. It is a kind of prepaid and smart water meter. Compared with traditional way, it can control user's overspend by prepaying for an RF card.
Features
1.the material of meter body can be iron and brass; it has both cold water meter and hot water meter(LXSGZR-15ES~25ES)
2.using pre-paid way to achieve the new management mode of "purchase first, the use"
3.show the different level price of the water, one card can be used to several meter.
4.double reading display: mechanical and digital meter reading
5.the unique battery protection
6.stable performance, wide application.
7.low power consumption, long life time.
8.Electronic part is vacuum sealed.
9.Anti-jamming and resist exterior magnet interference.
Working Conditions
Water temperature (cold water): ≤40°C
Water temperature (hot water): ≤90 °C
Water pressure: ≤ 1.0 Mpa
Main Technical Data:
Item No | Size | Flow turndown R
| Max Flow Q4
| Nominal Flow Q3
| Transitional Flow Q2
| Min Flow Q1
| Min Reading | Max Reading | |
mm | Q3/ Q1 | m³/h | L/h | m³ | |||||
LXSGZ -15ES LXSGZR-15ES | 15 | 80 | 3.125 | 2.5 | 50 | 31.25 | 0.00005 | 99999 | |
100 | 40 | 25 | |||||||
125 | 32 | 20 | |||||||
160 | 25 | 15.62 | |||||||
LXSGZ-20ES LXSGZR-20ES | 20 | 80 | 5 | 4 | 80 | 50 | |||
100 | 64 | 40 | |||||||
125 | 51.2 | 32 | |||||||
160 | 40 | 25 | |||||||
LXSGZ-25ES LXSGZR-25ES | 25 | 80 | 7.875 | 6.3 | 126 | 78.75 | |||
100 | 100.8 | 63 | |||||||
125 | 80.64 | 50.4 | |||||||
160 | 63 | 39.37 | |||||||
Maximum Permissible Error:
1. in the lower zone from qmin inclusive up to but excluding qt is ±5%;
2. in the upper zone from qt inclusive up to and including qs is ±2% (hot water meter is ±3%).
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