INTEGRA TOPAS ESKLO 2 and ESWLO 2 LoRaWAN Meters

INTEGRA Metering AG is listed at Ringstrasse 75, Therwil, Switzerland, with offices in Vevey, Bremen and Singapore. It makes water and heat meters, flow meters and temperature sensors, and operates as a state-recognized calibration testing body in Switzerland.

TOPAS ESWLO 2 is a static ultrasonic hot water meter with a LoRaWAN wireless module for automatic remote reading over a fixed network. It covers DN 15 to DN 50, a dynamic range up to R800, IP68 protection and a stated battery life of 14.7 years. A cold-water sibling, TOPAS ESKLO 2, launched alongside it.

• Static ultrasonic measurement: no moving parts, resistant to deposits and suspended solids.
• LoRaWAN module: automatic remote reading via a fixed network.
• Alarm functions: error and alarm messages with leak and tamper detection.
• Size range: DN 15 to DN 50, PN 16, IP68.
• Flexible installation: any orientation and no straight inlet or outlet runs required.
• Factory configuration: meters are configured at delivery.

• Hotel and apartment hot-water submetering with remote reading.
• Municipal water districts replacing manual reading with fixed-network LoRaWAN.

Detects leaks and tampering and shows error and alarm messages. Low starting flow of 1.4 l/h at DN 15 and dynamic range up to R800. Battery life stated at 14.7 years. Certified for drinking water by SVGW and MID-approved.

Building services and municipal operators are moving to ultrasonic meters with LoRaWAN for hot and cold water submetering. The product page lists Singapore among its countries, relevant for Southeast Asian developers and operators.

Swiss company with offices in Vevey, Bremen and Singapore. Homepage lists news from June to September 2026, including a Lausanne meter fleet renewal and a smart metering project in Grosshochstetten.