HFX Datasheet, PDF (32/36 Pages) RMT Ltd. – Operating Manual

12. DEFINITIONS
THERMOELECTRIC HEAT FLUX SENSORS
Value
𝑃_𝑒
𝑃_𝑎
𝑆_𝑒
𝑆_𝑎
𝐷^∗
NEP
𝑅_𝑇
𝛼
𝐴𝐶𝑅
𝑁
∆𝑇
𝑇_ℎ
𝑇_𝑐
𝐾_𝑇
𝑘
𝑠
ℎ
H
AxB

Z

Units
W/m²
W
V/(W/m²)
V/W
cmHz^1/2/W
W/Hz^1/2
K/W or
K/(W/m²)
V/K
Ohm
K
K
K
W/K
W/mK
mm²
mm
mm
mm²
s
K^-1
Name
Heat flux density
Integral (total) heat flux to Sensor
Sensitivity of Heat Flux Sensor
Integral sensitivity
Detectivity
Noise equivalent power
Thermal resistance
Seebeck coefficient
AC resistance of Sensor
Number of pellets (thermoelements) pairs
Operation temperature difference
Hot side temperature
Cold side temperature
Thermal conductance
Thermal conductivity
Cross-section of pellet
Height of pellet
Sensor thickness
Sensor size (or diameter if “Dia”)
Thermal time constant
Thermoelectric Figure-of-Merit
Emissivity of sensitive surface
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