Single jet water meter

OpTherma GSD8 water meter with a red housing and brass connectors

OpTherma GSD-RFM

Single-jet dry water meter, prepared for installation of a remote reading module

Type: single-jet, with 360° rotating dry dial

Dimensions: DN15 (½") and DN20 (¾"), installation length 80 mm, 110 mm or 130 mm

Flow rate Q₃: 2.5m³/h (DN15) and 4m³/h (DN20); class R100 with versions R160, R200 options

Temperature range: cold water 0.1–50°C; hot water 30–90°C

It is prepared for installation of the OpTherma RFM-TX1 radio module for remote reading.

Description

OpTherma GSD-RFM is a single-jet water meter, with a dry 8-roll counter for direct reading.

Available in a version for cold water (50°C) and hot water (90°C), with diameters 1/2" and 3/4".

It has a 360° rotating dry dial. With anti-magnetic protection against fraud.

It is prepared for installation of the OpTherma RFM-TX1 radio module for remote reading.

Radio module OpTherma RFM-TX1

OpTherma RFM-TX1 is a radio module designed to transmit water consumption data, compatible with the single-jet water meters OpTherma GSD8-RFM. Easy to install and configure, it is built with low-power components and special energy-saving algorithms.

OpTherma RFM-TX1 can detect various tampering attempts on the devices, exceeding of the maximum flow rate, and plumbing leaks.

Technical details

Flow rate class: Q₃: 2.5m³/h (½″), 4m³/h (¾″)

Flow rate range: Q₁–Q₄: min 15l/h, Q₂ 25l/h; Q₄ = 1.25×Q₃–5×Q₃

Installation lengths: 80 / 110 / 130 mm

Operating temperature: 0.1–50°C in cold, 30–90°C in hot function

Max. pressure: MAP 16 bar

Protection: IP68, magnetic protection

Material: brass + plastic housing

Advantages