EN 13537 Thermal Requirements for Sleeping Bags
Property:Resistance to dry heat transfer (insulation value) provided by sleeping bags
EN 13537 "Requirements for Sleeping Bags”
Thermal manikin on an elevated board in an environmental chamber; bag is tested with standard thermal underwear and socks, a face mask, and a 1 ½ in. self-inflating pad
Specimen number and size:
1 regular or long sleeping bag
$600 for 3 replications in a row on one bag sample
The comfort, limit, and extreme temperatures will be determined using the heat loss models in the standard; no additional charge for these calculations.
Note: The maximum temperature for comfort requires a second manikin test (see photograph below) and temperature prediction for $600. This is optional in the standard.