Thermopile deTeCTors for ThermomeTrY
Applications
•Ear Thermometry
•General purpose Thermometry
Features and Benets
•ISOthermal performance
•Miniature, TO-type metal housing
•Light collecting aperature
•Thermistor included
Product Description
As the optimum choice for Ear Thermometry, Excelitas offers thermopile detectors,
referenced as ISOthermal detectors. The patented designs provide for superior
thermopile performance under thermal shock conditions, and thereby are best
suited for ear thermometry.
The range consists of the TPiD 1T 0122B as our low-cost version, with the other
versions providing higher signals, either because of high sensitivity element designs
or larger element area. The physical dimensions of the ISOthermal sensors are
equivalent to our TO-46 sensor housings and include a special aperture. All models
are equipped with an internal Thermistor as a temperature reference for thermopile
temperature compensation to further improve accuracy.
TPiD 1T 0122B, TPiD 1T 0222B, TPiD 1T 0622B Thermopile Detector
ISOthermal, Miniature Thermopile Detectors
For Ear Thermometry
TPiD 0122B, TPiD 0222B and TPiD 0622B
Parameter Symbol TPiD 0122B TPiD 0222B TPiD 0622B Remarks
Sensitive Area A Ø 0.5 0.7 x 0.7 1.2 x 1.2 Absorber Area
Sensitive Area A 0.2 0.5 1.4 Absorber Area
Thermopile Resistance RTP 85…135 50…100 50…110 25°C
Responsivity R 92 60 33 500°/1Hz/WithoutIR-lter
Sensitivity (Tdet 25 °C / Tobj 40 °C) S40 44 95 126 Withstandardlter(LWP,cut-on5.5µm)
Sensitivity (Tdet 25 °C / Tobj 100 °C)
S100 58 125 140 Withstandardlter(LWP,cut-on5.5µm)
Time Costant t 15 22 27
Noise Voltage Vn42 35 36 25°C
SpecicDetectivity D* 1.0 1.2 1.1 25°C
Temp.CoefcientofResistance TCRTP 0,03 0,03 0,03
Temp.CoefcientofResponsivity TCR-0,05 -0,05 -0,05
Field of view FoV 90 90 110 at 50% intensity points
Thermistor resistance (25°C) R25 100 100 100 25 °C
Thermistor BETA-value β3964 3964 4097 denedat25°C/100°C
5,6 max.
A
2,4
-0,4
0,1
+
o
4,7
-0,1
0,1
+
Sensor Element
13,46
`
1,5
0,45
`
0,2
2,7
`
0,2
0,21
`
0,09
Optical Distance 0,87
n
0,45
`
0,05
T ref
TP+
TP-
GND
1
`
0,15
3,6
`
0,15
2,54
`
0,25
4,4max.
45°
0
10
20
30
40
50
60
70
80
90
100
-90 -80 -70 -60 -50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
Relative Responsivity [%]
Angle of Incidence [degree]
TPiD 1T 0222B
TPiD 1T 0122B
TPiD 1T 0622B
Field of View
33
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