WL_STS_815-M_WaterMeter

1. Product Overview

WL_STS_815-M (Mechanical Pulse Type) series is an integrated smart prepaid water

meter that fully complies with the IEC 62055 international STS standard. It

integrates high-precision metering, 20-digit encrypted prepaid tokens, intelligent valve control, and multi-protocol remote communication capabilities, making it suitable for residential buildings, commercial buildings, and global STS standard water supply markets in Africa, Southeast Asia, and other regions.

1.1. Product positioning and selection

1.2. Core Features

※ The entire series supports STS standard 20-bit encrypted token recharge, preventing cracking and tampering, ensuring secure and reliable transactions.

※ Built-in electric valve enables balance alerts, automatic valve closure for overdue payments, and automatic valve opening for recharges.

※ Supports multiple communication methods including 4G, LoRa, and LoRaWAN for remote meter reading and parameter configuration.

※ IP68 fully sealed protection, suitable for immersion installation, and powered by a long-life lithium battery for 8-10 years.

※ Multiple safety protections: anti-inverted installation, anti-unauthorized disassembly, fault self-diagnosis, and abnormal alarm.

1.3. General functions

※ Accurate Water Metering: Complies with national metering standards, supports positive flow accumulation, and ensures data is stored locally for 10 years without loss, meeting STS billing requirements;

※ Low Voltage Detection and Protection:Monitors battery voltage in real time, automatically alerts when low voltage is detected, ensuring long-term stable operation of the water meter;

※ Valve Status Detection and Control: Monitors valve open/close status and jamming faults in real time, automatically reporting anomalies; supports remote manual valve switching and timed valve switching;

※ Remote Communication and Maintenance (Optional): Automatically reports

water usage data, fault status, and recharge records; ※ Real-Time Clock;

※ Flexible tariff and debt collection setting;

※ Anti magnetic tamper;

※ GPRS, 4G, Bluetooth, Lora or Lorawan communication optional;

※ Multi payment type, Token, Mobile, Pose, E-bank, etc;

※ Magnetic field protection;

※ Pre-programmable low credit warning;

※ Brass / Nano nylon meter body optional;

2. WL_STS_815-M Parameters

3. Specifications Classification