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Thermopile detectors

E-mail contact

+886-2-8772-8910

Single-element type

The T11262-06 is suitable for fl ame detection and the T11361-05 for CO2 concentration measurement.

Type no.

Package

Number of
elements

Photosensitive area
(mm)

Window

Spectral response
(μm)

Photo

T11262-01

TO-18

1

1.2 × 1.2

AR- coated Si

3 to 5

T11361-01*

T11262-06

Band-pass filter

4.45

T11361-05*

4.3

 

Dual-element type
The T11722-01 is a dual-element type thermopile detector designed to detect CO2 concentrations with a high accuracy. It consists of a high sensitivity dual-element thermopile detector and two band-pass filters for sensing two wavelengths (reference: 3.9 μm, CO2: 4.3 μm) simultaneously.

Type no.

Package

Number of
elements

Photosensitive area
(mm)

Window

Spectral response
(μm)

Photo

T11722-01

TO-5

2

1.2 × 1.2
(per 1 element)

Band-pass filter

Reference: 3.9
CO2: 4.3

 
Window options (typical examples of spectral response)
Since thermopile detectors have no wavelength dependence, their spectral response characteristics are determined only by the transmittance of the window material.
The graph below shows transmittance characteristics of typical window materials. Please contact our sales office about changing the window of a thermopile detector to the following materials.

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