STS Prepaid Water Meter

The meter supports STS prepaid protocol.

Users only need to input 20-digit recharge code or 2-digit data query code through CI to realize the basic functions such as meter recharge and parameter query.At the same time, the concentrator supports the LORA wireless automatic communication between the meters during the meter reading process.

The water meter has the characteristics of accurate charging, convenient use and efficient management.

Applications: Utilities

Sizes:DN15-DN25


Alarm functions	LCD functions	Multiple application functions	Communication
Magnetic strike alarm, low battery voltage alarm, insufficient flow alarm, insufficient balance alarm, overdraft amount alarm, anti-disassembly alarm, etc	Valve status, battery power display, communication display, tamper-proof display, purchase of total water display, last purchase, residual water display, cumulative usage, etc	Water meter initialization Settings, monthly water consumption-related data records, alarm records, etc	STS communication: Remote control sending short code instructions to reading and writing instruments.Send the token code and receive return information. LoRa Concentrator Communication: A token code is issued to the meter through the server, and data is read and written to the specified meter

Specifications

Model	DN15	DN20	DN25
Caliber(mm)	15	20	25
Max flow Q4(m³/h)	3.125	5	7.87
Nominal flow Q3(m³/h)	2.5	4	6.3
Min flowQ1(m³/h)	0.025	0.04	0.063
Pipe thread connection	F½	R¾	R1
Water meter thread	G¾ B	G1B	G1¼ B
L(mm)	258	299	345
H(mm)	120	120	120
Temperature class	T30
Temperature range	Ambient temperature: 5~55 ℃
Environment class	Indoor,Class B
Electromagnetic class	E1(Residential, Commercial, Industrial)
Protection class	IP68
Working pressure	1.6 MPa
Battery life	＞ 8years
Installation	360 degree
Standard Compliance	ISO9001；ISO14001；ISO45001；ISO4064