Name: Siemens UH30-C21 Ultrasonic Heat and Cold Meter
Brand: SIEMENS
Price: 212.77 EUR
Availability: InStock

Parameters and catalogs

Building length	110 mm
Connection size	DN 20
Connection Type	External thread
Flow	1.5 m3/h
M-BUS communication	No
Sensors included in the meter	Yes
Type of Meter	Ultrasonic
Weight	0.84 kg

Datasheet download

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Operating and installation instruction download

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Technical description download

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The ultrasonic heat and cooling meter UH30-C05 measures the consumption of thermal energy in heating systems. It consists of a separate flow meter and evaluation unit. Both parts can be mounted separately thanks to a 1.5 m long cable. Two thermal sensors connected to the evaluation unit measure the temperature in the piping. The evaluation unit contains a battery with an 11-year lifespan. The measured data is displayed on an integrated display. It is primarily intended for measurement in residential units.

Features

temperature sensors 27.5 mm
M10x1
flow meter part made of brass
G 3/4"
flow rate 1.5 m³/h
pressure PN16
measuring range 0.015...3.0 m³/h

Accessories

Installation kit HMXI-K001 001
Installation kit HMXI-K001 002

We respond to your product queries as quickly as possible, usually within 24 hours.

1 answer

Good morning, I need 3 or 4 of these heat counters. UH30-C21 and/or UH30-C36, without communication m-bus. My question: Does the supply include the spigots that must be purchased separately? The UH30-C21-C30 code is not complete. Can I have the complete order code as indicated in the datasheet? Are the flow and return sensors included?

- Arturo David (Italy), 11. 08. 2025

Hello, The connection kit is not included in the delivery and must be purchased separately. You can find it in the product accessories section below. The code is complete; it is a shortened version from the manufacturer Siemens, officially sold under this code.

Team Bola, on the 20. 08. 2025

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