3B Scientific Radiation of Heat__Thermopile User Manual
3b scientific® physics
3B SCIENTIFIC® PHYSICS
1
Thermopile 8441301
Instruction sheet
07/06 SP
1
Inlet (funnel)
2
Shaft
3
Metal housing
4
Measurement output (4-mm safety connec-
tors)
1. Description
The thermopile is a highly sensitive apparatus used
for measuring radiation (e.g. heat radiation from
black bodies, reflection of long-wave heat radiation).
Integrated in a metal housing with a polished funnel,
the thermopile consists of a black surface of 15 mm
diameter to which 17 thermocouples are connected.
The thermocouples generate a thermoelectric poten-
tial U which is proportional to the intensity of the
incident heat radiation.
2. Technical data
Sensitivity: 0.14
μV/μW approx.
Setting time:
40 s for 95% of the meas-
ured value
Black surface:
15 mm
∅
Internal resistance:
1
Ω
Connections:
Two 4-mm safety connec-
tors
Dimensions:
94 mm x 40 mm
∅
Shaft: 10
mm
∅
Weight:
200 g approx.
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