Infrared sensing by wavelength

Standard product numbers are listed below by wavelength and application. You can click through to access more information.

✔ filter option routinely available on this product type. Contact us

We also provide bespoke wavelengths not listed here. If you need a different wavelength please contact us.

			Digital ezPyro IR			Analog IR
Use	Wavelength (µm)	FWHM (nm)	Single SMD, SMD+, Dual SMD	2x2 SMD	TO39	Single TO39	Dual TO39	Quad TO39	Linear IR Array
Anesthesia	12.23	210	✔					PY2710 ✔
Anesthesia	8.55	180	✔					PY2710 ✔
Anesthesia	8.75	180	✔					PY2710 ✔
Anesthesia	9.65	220	✔					PY2710 ✔
Anesthesia, Refrigerants	8.42	180	✔				PY1466	PY2711 ✔
Broadband for bespoke filters	2.2	LP	ePY12121			PY2749
Broadband for bespoke filters	5	LP	ePY12111			PY2214	PY1839
Broadband for motion & gesture	5	LP	ePY22111	ePY22114, ePY21114		PY1601, PY2214	PY1839
Broadband for motion	2.2	LP	ePY12121
Broadband Linear Array, 128-510 pixels	n/a	LP							PY0722, PY0294, PY0716
CO	4.64	180	ePY12241 ✔			PY0211	PY0305	PY2706 ✔
CO Narrow	4.64	90	✔			PY0212	PY0259	✔
CO₂	4.26	180	ePY12231 ✔			PY0175	PY0234, PY2343, PY2572	PY2706, PY2711 ✔
CO₂ Narrow	4.3	110				PY1944	PY1943
CO₂ Optimised for max centreline sensitivity	4.35	600				PY0573
CO₂ Optimised for uniform sensitivity across FoV	4.48	620	ePY12251		ePR44252	PY1600
CO₂ Optimised for wide FoV	4.55	420			ePR44282	PY0574
CO₂ Optimised for wide FoV	4.64	180	ePY12241
CO₂ special	4.43	60	✔			PY0210	PY0238	✔
Fat “A” & ref	5.73	80	✔				PY2197	✔
Gas	2.9	300	✔					✔
Gas	4.85	90	✔					✔
Gas	8.01	440	✔					✔
H₂O water vapour (hydrogen flame, HC flame)	2.72	200			ePR44292	PY2712
H₂O water vapour	2.55	90	✔					✔
Hydrocarbons	3.33	160	✔				PY2486, PY2738	✔
Hydrocarbons eg propane, butane, isobutane	3.38	190	✔			PY0293	PY0261, PY2739	✔
Linear Array, 128 pixels 2.5µm-5.0µm	2.5	LVF							PY1499
Linear Array, 128 pixels, 5.5µm-11.0µm with 0-2 big pixels	5.5	LVF							PY0738, PY2075, PY2004
LP Human Motion Rejection	5	LP			ePR44112	PY1601
LP Human Motion Rejection	5.5	LP				PY0576
Methane (CH₄)	3.3	160	ePY12221 ✔			PY0213	PY0317, PY2626	PY2706 ✔
Milk, Lactose, Sugar	9.61	150	✔				PY2547, PY2580	✔
Milk, Reference	5.6	80	✔					✔
Milk, Reference	6.7	120	✔					✔
N₂0 (anesthesia)	3.9	200	✔					PY2711 ✔
NO	5.3	180	ePY12261 ✔			PY0253	PY0304	✔
NO₂	6.2	200	✔				PY2055	✔
PAH (Hydrocarbons, Refrigerants)	8.95	330	✔				PY1648	✔
Protein	6.46	130	✔				PY2550, PY2580	✔
Reference	3.91	90	ePY12211 ✔			PY0275		✔
Reference	4.9	130	✔					✔
Reference	3.70	110	✔				PY2343	✔
Refrigerant R12 (Freon)	On App	On App				PY1456	PY1648
SF₆, Ethylene, Refrigerants	10.6	240	✔				PY0308	✔
SO_x, Acetone	7.3	200	✔			PY0254	PY0303	✔
Sugars and Alcohols	9.5	400	✔				PY2551	✔
Welding/sunlight rejection	3.38	190				PY1580
Welding/sunlight rejection	3.91	90	ePY12211		ePR44212	PY0575

✔ – filter option can be configured on this product type, please inquire by clicking here to contact us.

If you cannot find what you need here, please contact us. We welcome custom filter requirements and can support rapid prototyping.

Off-the-shelf wavelengths for the Four channel TO (Quad) range are also extracted below.

CWL µm / (HPB nm)	Use
2.55 / (90)
2.9 / (300)
3.3 / (160)	CH₄
3.33 / (160)	H-C
3.38 / (190)	H-C
3.7 / (110)	Reference
3.9 / (200)	N₂O
3.91 / (90)	Reference
4.26 / (180)	CO₂
4.43 / (60)	CO₂ (Special)
4.64 / (90)	CO
4.64 / (180)	CO (Narrow)
4.85 / (90)
4.9 / (130)	Reference
5.3 / (180)	NO
5.6 / (80)	Milk, Reference
5.73 / (80)	Milk, Fat
6.2 / (200)	NO₂
6.46 / (130)	Milk, Protein
6.7 / (120)	Milk, Reference
7.3 / (200)	SO₂
8.01 / (440)
8.42 / (180)	Refrigerants, Anaesthetics
8.55 / (180)	Anaesthetics
8.75 / (220)	Anaesthetics
9.5 / (400)	Sugar, Ethanol
9.61 / (150)	Milk, Lactose, Sugar
9.65 / (220)	Anaesthetics
10.27 / (210)
12.23 / (210)	Anaesthetics