Research Article
A Proposed Methodology to Control Body Temperature in Patients at Risk of Hypothermia by means of Active Rewarming Systems
Table 1
Thermopiles model PU 22T of the TNO (Delft).
| | Dimension of PU-T category of 1 mm thickness: sensitive area (), guard (), fixed wires (), minimum bending radius (), | and optional temperature sensor () | Note: PU-T sensors can be bent but are quite rigid. Installation typically requires taping.
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| Model | | PU 11T | PU 22T | PU 32T | PU 43T |
| Thickness | mm | 1 | 1 | 1 | 1 | Overall diameter | mm | 25 | 50 | 75 | 100 | Dimensions sensitive area | mm2 |
⊘ 15 |
⊘ 30 |
⊘ 30 |
⊘ 55 | Sensitivity (nominal) | V/mm−2 | 8 | 30 | 30 | 150 | Electrical resistance | Ohm | 400 | 1700 | 1700 | 7000 | Filling material | | PU | PU | PU | PU | Temperature range |
°C | −20 to +90 | −20 to +90 | −20 to +90 | −20 to +90 | Thermal resistance | m2K/W | 0.004 | 0.004 | 0.004 | 0.004 | Expected accuracy | % | +5/−5% @ 20°C, temperature dependence typically 0.17%/K | Cable connection | | Fixed wires 2 m | Minimum bending radius | mm | 15 | 25 | 40 | 50 |
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