⚠ How you read this heat cost allocator
This heat cost allocator has wireless M-Bus built in – no calculator or extra module is needed for it to transmit. What you do need is something to receive that radio signal:
Remote / AMI reading: an Engelmann ComStar wireless M-Bus gateway, which forwards readings over LTE-M. One gateway collects many devices on a site, so you do not need one per meter – order it separately once per building.
Walk-by reading: a wireless M-Bus USB stick or Bluetooth receiver. Ask us for a quote.
If you already have a ComStar or a walk-by receiver on site, this heat cost allocator is all you need.
 
Description:
The Engelmann HCA e2 is an electronic heat cost allocator for radiators with integrated wireless M-Bus radio (OMS), used to split heating costs fairly between apartments. It stores 132 monthly and half-monthly values, supports 1- or 2-sensor operation with a clip-on remote sensor, and can be read walk-by or through an AMR gateway such as the Engelmann ComStar. Sold in the manufacturer order unit of 40 devices per box (heat conductors and remote sensors available on request).
 
Key Features:
Electronic heat cost allocator, approved to DIN EN 834
Integrated wireless M-Bus radio EN 13757-4, OMS 4 (Mode 5 or Mode 7)
AMR or walk-by readout
Storage of 132 monthly and half-monthly values; 15 monthly values transmitted by radio
Clip-on remote temperature sensor; 1-sensor mode programmable
Optical interface and integrated seal
Lifetime 11 + 1 years
 
Technical Specifications:
Device type: 2-sensor heat cost allocator
Radio: wireless M-Bus 868 MHz, OMS 4 Mode 5 (long telegram) or Mode 7 (short telegram)
Order unit: 40 devices per box (price is per box)
Accessories: aluminium heat conductor, remote sensor 2 m / 5 m - on request
 
Ordering Options (Radio mode):
5100000001 – OMS 4 Mode 5 (long telegram) – R23 620 incl. VAT
5100000500 – OMS 4 Mode 7 (short telegram) – R23 620 incl. VAT
 
Lead Time:
8 - 10 Days (imported to order from Germany).