T11722-01_15 HAMAMATSU | Alldatasheet

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For CO2 concentration measurement, High sensitivity www.hamamatsu.com The T11722-01 is a dual-element type thermopile detector designed to detect CO 2 concentration with 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. Absolute maximum ratings Electrical and optical characterisitics (Ta=25 °C) Parameter Symbol Value Unit Operating temperature Topr -30 to +85 °C Storage temperature Tstg -40 to +125 °C Note: Exceeding the absolute maximum ratings even momentarily may cause a drop in product quality. Always be sure to use the product within the absolute maximum ratings. Parameter Symbol Condition Min. Typ. Max. Unit Photosensitive area (per 1 element) - Absorption layer size - 1.2 × 1.2 - mm Spectral response range λ Band-pass fi lter, center wavelength (FWHM) - For reference: 3.9 (0.09) For CO2: 4.3 (0.14) - μm Photosensitivity*1 S 1 Hz, 500 K 40 50 60 V/W Element resistance Rd 100 125 150 kΩ Noise voltage Vn Johnson noise - 45 50 nV/Hz1/2 Noise equivalent power*1 NEP - 0.9 1.3 nW/Hz1/2 Detectivity*1 D* 0.9 × 108 1.3 × 108 - cm∙Hz1/2/W Rise time tr 0 to 63% - 20 30 ms T emperature coefficient of element resistance TCR - ±0.1 - %/°C *1: Without fi lter 2 wavelengths detection (Reference: 3.9 μm, CO2: 4.3 μm) High sensitivity Metal package (TO-5) CO2 concentration measurement Features Applications Thermopile detector

Thermopile detector T11722-01 Spectral transmittance characteristics of window material (typical example) Operating circuits 3.0 100 4.54.03.5 5.0 Wavelength (μm) Transmittance (%) Filter 1 Filter 2 R1 R2 Vout1 3 8 Thermopile Since the thermopile output signal is very low in the order of microvolts, use an amplifier with a low offset voltage. (Example: LTC1050) Gain=1 + R2/R1 f high=1/(2πC1R2) R3=R4 KIRDB0508EA KIRDC0104EA Field of view XX ’ 98˚ 98˚ Filter 2 Filter 1 KIRDC0103EA Single power supply type

Thermopile detector T11722-01 Dimensional outline (unit: mm) 2.5 ± 0.1 2.5 ± 0.1 3.4 ± 0.2 10.0 ± 0.2 0.8 ± 0.1 T2 T1 45° Thermopile 2 Pin Thermopile 1 Filter1: For reference (3.9 μm) Filter2: For CO2 (4.3 μm) Common Case 8.3 ± 0.20.8 ± 0.1 9.15 ± 0.2 Window Thermopile 2 (1.2 × 1.2) Thermopile 1 (1.2 × 1.2) 0.45 ± 0.05 1.7 ± 0.1 Filter 2 Filter 1 ϕ5.08 ± 0.2 KIRDA0222EB Gain=1 + R2/R1 fhigh=1/(2πC1R2) R1 R2 Vout1 3 + Thermopile KIRDC0105EA Dual power supply type

Cat. No. KIRD1120E02 Oct. 2013 DN www.hamamatsu.com HAMAMATSU PHOTONICS K.K., Solid State Division 1126-1 Ichino-cho, Higashi-ku, Hamamatsu City, 435-8558 Japan, Telephone: (81) 53-434-3311, Fax: (81) 53-434-5184 Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: (49) 8152-375-0, Fax: (49) 8152-265-8 France: Hamamatsu Photonics France S.A.R.L.: 19, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: 33-(1) 69 53 71 00, Fax: 33-(1) 69 53 71 10 United Kingdom: Hamamatsu Photonics UK Limited: 2 Howard Court, 10 Tewin Road, Welwyn Garden City, Hertfordshire AL7 1BW, United Kingdom, Telephone: (44) 1707-294888, Fax: (44) 1707-325777 North Europe: Hamamatsu Photonics Norden AB: Thorshamnsgatan 35 16440 Kista, Sweden, Telephone: (46) 8-509-031-00, Fax: (46) 8-509-031-01 Italy: Hamamatsu Photonics Italia S.R.L.: Strada della Moia, 1 int. 6, 20020 Arese, (Milano), Italy, Telephone: (39) 02-935-81-733, Fax: (39) 02-935-81-741 China: Hamamatsu Photonics (China) Co., Ltd.: 1201 Tower B, Jiaming Center, No.27 Dongsanhuan Beilu, Chaoyang District, Beijing 100020, China, Telephone: (86) 10-6586-6006, Fax: (86) 10-6586-2866 Product specifications are subject to change without prior notice due to improvements or other reasons. This document has been carefully prepared and the information contained is believed to be accurate. In rare cases, however, there may be inaccuracies such as text errors. Before using these products, always contact us for the delivery specification sheet to check the latest specifications. Type numbers of products listed in the delivery specification sheets or supplied as samples may have a suffix "(X)" which means preliminary specifications or a suffix "(Z)" which means developmental specifications. The product warranty is valid for one year after delivery and is limited to product repair or replacement for defects discovered and reported to us within that one year period. However, even if within the warranty period we accept absolutely no liability for any loss caused by natural disasters or improper product use. Copying or reprinting the contents described in this material in whole or in part is prohibited without our prior permission. Information described in this material is current as of October, 2013. Thermopile detector T11722-01 Precautions The band-pass filters used in this product have a secondary transmission at wavelengths longer than 10 μm. If the secondary transmission affects measurements, install a sapphire glass, etc. in front of the light input window to block long wavelength l ight. Related information Precautions ∙ Notice ∙ Metal, Ceramic, Plastic package products/Precautions www.hamamatsu.com/sp/ssd/doc_en.html