Dewar Self Heating Flask

$495.00

Based on standard European method.
Measures “residual” heating in compost in range 0-65ßC. Holds 2 liters.

Includes digital min-max locking thermometer to record ambient and highest vessel temperature.

Officially recognized in compost literature as valid stability test.

Includes manual with self-reading interpretation scheme to identify 5-grades of stability.

Lasts for years if kept properly.
Allow up to 2 weeks delivery.