Hunan Stron Smart Co., Ltd
Stron Metering, Smart Life
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IC Card Smart Prepaid Dry-type Multi-jet Water Meter With STS Standard
Product introduction
STW36-S is prepaid IC card dry smart water meter launched by Stron company with independent intellectual property rights. It is electronic valve controlled prepayment water meter with ultra-low power consumption. It adopts Philips Mifare S70 Card to realize prepaid Function and bi-directional communication between water meter and vending system for data transformation. The brass body base meter has been supplied and proved by millions of service connections for reliable and cost-effective consumption measurement. Prepayment function and excellent anti-tamper feature like Magnetic field protection to help utilities to improve water protection and consumer management.
certificates
ISO 9001,ISO 14001,ISO 4046,STS
Main features
● Muti-jet Dry dial register construction
● Real-Time clock (RTC)
● Low Power Consumption
● 8 years battery life
● Pre-programmable low credit warning
● Recharge by smart RFID Card
● Brass / plastic meter body on request
● Step tariff and debt collection setting
● RF-LoRa communication(optional)
● Non- return valve preventing back-flow
Basic function
● Prepayment:STS Standard,recharge by smart RFID card
● Low credit alarm:alarm value can be set by inputting corresponding TOKEN
● Prepaid and post-paid switch:meter can be switched to prepaid mode or post-paid mode
● Non-return valve:non-return valve inside for preventing back-flow
● Anti-tamper:meter will automatically close the valve after detection of magnetic field and cover-opening event
● Step Tariff:Step Tariff can be set by management card
● Overdraft Collection:non-Revenue water (Overdraft) can be collected day by day or month by month
● Communication:the meter is available with AMI system through RF-LoRa or Bluetooth 4.0 on request
● Information Inquiry:consumer could check the data like credit Remain, total purchased and total credit by LCD display
● Liquid Crystal Display
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℃ |
How to recharge
Go to local vending station via Stronpay vending software,recharge by money or unit on the RFID card reader,then swipe the RFID card at the water meter.If credits are available and controlling valve is opened,it means successfully recharge.
