DN15~25mm R100 Sts Prepaid Water Meter for Residential

Product Description

DN15~25mm R100 STS Prepaid Water Meter For Residential
STS water meter (Standard Transfer Specification water meter) is a prepaid water meter widely used in the global water industry. It utilizes encrypted Token codes for recharging and management, ensuring data security and transaction reliability. It is suitable for residential, commercial, and public utility applications.
Product Description Product Features
·Prepaid Management Function
The water meter supports a prepaid system with a "pay first, use later" model, effectively solving the challenges of traditional water bill collection. This fundamentally eliminates the risk of unpaid bills, ensuring timely revenue recovery for water utility departments.
·STS Token Recharge
To accommodate unstable or unavailable network conditions, the water meter utilizes STS Token technology, generating a unique encrypted code for recharging. After making a payment, users can immediately enter the Token code to open the valve for water supply, ensuring a convenient and reliable water usage experience.
·Flexible System Integration
The prepaid water meter features strong compatibility, allowing seamless integration with various billing management platforms. It can also be incorporated into smart water management systems, enabling data sharing and centralized management to significantly improve operational efficiency. Product Parameters

Item	Unit	Details
Nominal Diameter	mm	15	20	25
Q3/Q1		R100
Overload Flow Rate (Q4)	m3 /h	3.125	5	7.875
Permanent Flow Rate (Q3)	m3 /h	2.5	4	6.3
Transitional Flow Rate (Q2)	m3 /h	0.04	0.064	0.1008
Minimum Flow Rate (Q1)	m3 /h	0.025	0.04	0.063
Accuracy Class	Class2
Temperature Class	T30/T50/T90
Maximum Admissible Pressure	PN16
Pressure Loss Classes	0.63bar
Electromagnetic Environmental Class	E1
Environmental Classifification	O
Protection Class	IP68
Installation Direction	H
Flow Profifile Sensitivity Class	U5/D3
Battery Lifetime	≥6years (Depends on communication setting and switching valve frequency)
Working Frequency	868MHz/470MHz
Modulation Method	LoRa linear frequency modulation
LoRa Communication Distance	≥1000m (in open areas) ≥300m (in residential areas)

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