Solar heat meter for RHI

Renewable Heat Incentive (RHI) compliant solar-thermal heat meter. 

Essential for non-domestic RHI claims. 

Warranty 2 product item

Product information

    • This MID class 2 RHI heat meter is fully compliant to monitor eligible heat use for RHI claims in buildings.
    • Calibrated for Tyfocor L @ 40% solution, ready to use with our Trigon solar solutions and Dorchester DR-TC solar water heater.
    • No moving parts make this the ideal choice for long term reliability.
    • Compact, tamper protected unit gives easy to read data, clearly displayed on the unit.
    • Buy in confidence from a UK manufacturer with decades of commercial heating and hot water expertise.

Technical data

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Units Value
Flow-nominal Qp m3/h 1.5
Pipe pressure minimum bar 0.8
Operating temperature-permanent maximum °C 90
Integrator ambient operating temperature (min/max) °C 5-55
Material brass
Maximum flow Qs m3/h 3
Minimum flow Qi l/h 15
Low flow threshold l/h 10
Pressure loss at Qp bar 0.2
Cable length, flowmeter to calculator mm 800
Temperature sampling rate - Mains Samples/min 20
Temperature sampling rate - Battery Samples/min 2
Display resolution t/ ΔT K 0.1/0.01
Temperature range-admissible °C 2-200
Nominal supply voltage 230V 1Ph 50Hz
Weight Kg 1.4


Solar heat meter for RHI brochure

Product brochures 1430 kb

Solar heat meter for RHI installation guide

Installers guides 3384 kb

Ideal uses/applications

  • Matched for use with Hamworthy Trigon solar thermal hot water system and Dorchester DR-TC solar water heater.

Optional extras

  • RS232 interface module allows read-only access to data for remote monitoring systems.
  • Other interfaces available on request. 

Often bought with

Dorchester DR-TC solar hot water heater

Dorchester DR-TC solar water heater

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Trigon solar hot water system

Trigon solar hot water system

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