Calmet PM02-DN80 Ultrasonic Heat Meter

Calmet PM02-DN80 Ultrasonic Heat Meter

• Calmet PM02 Large Diameter ultrasonic heat meter
• Body size DN80 (3”), nominal flow rate Qn 40 m³/h
• Maximum flow rate qs 80 m³/h, minimum flow rate qi 0.4 m³/h
• Body length (L) 225 mm, 3” flanged connection
• Communication: Wired M-Bus (wM-Bus version available to order)
• Application: heating and cooling; installation point: supply or return line
• Temperature sensor: BOCON PT1000, with 1.5 m cable
• MID approved, accuracy class 2

Calmet PM02 Large Diameter Series

The Calmet PM02 large-diameter models are flanged ultrasonic heat meters manufactured by FNF Teknoloji in Kayseri, Türkiye; they are designed for high-flow lines such as building block inlets and heating plants.

The meter consists of a calculator unit, a flanged ultrasonic flow sensor and a PT1000 temperature sensor pair with 1.5 m cables. It can be installed in the flow or return line, horizontally or vertically.

Key Features (manufacturer data)

• MID and CE marked, accuracy class 2
• Wired M-Bus; the manufacturer also specifies wM-Bus support
• Medium temperature 1–105 °C, temperature difference 3–90 K
• Protection class IP65
• 3.6 V lithium battery; 10 years according to the manufacturer
• Made in Türkiye: fast access to spare parts and service

Applications

• Main inlets of blocks and buildings
• Boiler room and heating plant outlets
• Main lines of large buildings such as hotels, hospitals and shopping malls
• District heating and industrial plant connections

Why Calmet PM02 Large Diameter?

Using the same brand for large diameters as for the apartment meters makes it easier to collect and compare the main meter and sub-meter readings of a complex through one reading infrastructure.

Installation, Reading and Re-verification

Install the meter in the position and at the mounting point specified in its manual; a strainer upstream of the meter and an isolating valve before and after it (for easy replacement) are recommended. In Türkiye, Novus Energy also provides remote meter reading and heat cost allocation services after installation. Periodic re-verification requirements for heat meters depend on local regulations; see our re-verification and calibration page for details.

Other models in the same size: DN80 heat meters · All products of the brand: Calmet · What is a heat meter and how do you choose one?