IP68 STS IC Card Dry-type Smart Prepaid Water Meter With Brass Body
Product introduction
STW36-S is a RFID card prepaid water meter.Users can direcly recharge by swiping card in magnetic zone.With newly STS standard can be in common use.Because of multi-jet feature,it won't be stuck even in muddy water.Dry type means no water in the base meter.
This prepayment function means users must pay first,then they can get water available.It has more perfect functions such as real time display,anti-tamper magnetic field protection,step price setting,automatic non-return valve,low power consumption of battery,mobile payments with API integrated and etc.
Certificates
ISO 9001,ISO 14001,ISO 4046,STS
Working process of water meter
●When the user uses water, the water collection device starts to collect the water consumption, and converts it into the required electronic signal to the microcomputer module for measurement, and displays it on the LCD display module.
●When the user's amount of water drops to a certain value, the microcomputer module will have sound alarm, prompting the user should take the card to buy water.
●If the amount of water is exceeded, the microcomputer module will automatically close the electric control valve and cut off the water supply.
●Until the user has inserted the paid IC card to restart the valve for water supply.
Main Functions
1.Prepayment:users recharge by smart RFID card,after recharge,then get water available
2. Ultra-low power:battery inside has 6-8 years life
3. Low credit alarm:alarm value can be set by TOKEN,buzzer will give alarm when it is low credit
4. Anti-tamper magnetic field protection:meter will automatically close the valve after detection of magnetic field and cover-opening event
5. History data recording:it can record the history data within 10 years
6. Low Battery detection:buzzer will give alarm to remind users to change battery in time
7.Step Tariff:step tariff can be set by management card
8.Non-return valve:non-return valve inside for preventing back-flow
9.Prepaid and post-paid switch:meter can be switched to prepaid or post-paid mode
Technical Parameters of different size
| Size | DN15 1/2” | DN20 3/4” | DN25 1” |
| Length(L) | 165/190 | 190 | 225/260 |
| Width(W) | 99 | 99 | 103 |
| Height(H) | 104 | 106 | 114 |
| Connecting Thread | G3/4B | G1B | G1-1/4B |
| Overload flow rate Q4 | 3.13 | 5 | 7.87 |
| Permanent flow rate Q3 | 2.5 | 4 | 6.3 |
| Transitional flow rate Q2 | 0.04 | 0.064 | 0.1 |
| Minimum flow rate Q1 | 0.025 | 0.04 | 0.063 |
| Ratio ”R” Q3/Q1 | 100 | 100 | 100 |
Maximum pressure loss | 16Bar | 16Bar | 16Bar |
Maximum reading | 0.6Bar | 0.6Bar | 0.6Bar |
Max temperature | 99999 | 99999 | 99999 |
Error | Q1≦Q≦Q2 | 5% | 5% | 5% |
Q2≦Q≦Q4 | 2% | 2% | 2% |
Features
✽ Maximum working pressure: 16 Bar
✽ Maximum pressure loss: 0.6 Bar
✽ Maximum reading: 99999
✽ Working temperature: <50℃
✽ Error: Q1≤Q≤Q2 5%;
Q2≤Q＜Q4 2%
Meter Dimension
| RFID Card Parameters |
Type | Philips Mifare S79 Card |
| Inductive mode | Initiative transmit, RF Powe-6dBm transmit every second |
| Material | ABS, heat resistant, White color |
| Dimension | 86mm×55mm×4mm |
| Protection class | IP68 |
| Signal modulation | GFSK |
| Communication speed | 1Mbit/s / M1 106KBPS |
| Operation frequency | 2.44GHz / M1 Card 13.56MHz |
| Working life | >5 years |
| Operating temperature | -20℃-+50℃ |
Product Tags:
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DN20 Dry Type Smart Water Meter Images
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