| Designation | Model No. | Description | |
|---|---|---|---|
| Expansion lens (Note 1) | FX-LE1 |  | Increases the sensing range by 5 times or more. ・ Ambient temperature: -60 to +350 ℃ -76 to +662 ℉ (Note 2) ・ Beam dia: ø3.6 mm ø0.142 in Sensing range (mm in) [Lens on both sides] | 
| Super-expansion lens (Note 1) | FX-LE2 |  | Tremendously increases the sensing range with large diameter lenses. ・ Ambient temperature: -60 to +350 ℃ -76 to +662 ℉ (Note 2) ・ Beam dia: ø9.8 mm ø0.386 in Sensing range (mm in) [Lens on both sides] | 
| Side-view lens | FX-SV1 |  | Beam axis is bent by 90°. ・ Ambient temperature: -60 to +300 ℃ -76 to +572 ℉ (Note 4) ・ Beam dia: ø2.8 mm ø0.110 in Sensing range (mm in) [Lens on both sides] | 
| (Note 1): | Be careful sure to use it only after you have adjusted it sufficiently when installing the thru-beam type fiber equipped with the expansion lens, as the beam envelope becomes narrow and alignment is difficult. | 
|---|---|
| (Note 2): | Refer to “Fiber page” for the ambient temperature of fibers to be used in combination. | 
| Amplifiers | FX-500 series (Upper value) FX-550 / FX-550L series (Lower value) | FX-100 series | ||||||
|---|---|---|---|---|---|---|---|---|
| Mode | HYPR | U-LG | LONG | STD | FAST | H-SP | FX-101 | FX-102 | 
| FT-43 | 3,600 (Note 1) 3,600 (Note 1) | 3,600 (Note 1) 3,600 (Note 1) | 3,600 (Note 1) 3,600 (Note 1) | 3,600 (Note 1) 3,600 (Note 1) | 3,600 (Note 1) 3,600 (Note 1) | 1,600 – | 2,400 | 3,600 (Note 1) | 
| FT-42 FT-42W | 3,600 (Note 1) 3,600 (Note 1) | 3,600 (Note 1) 3,600 (Note 1) | 3,600 (Note 1) 3,600 (Note 1) | 3,600 (Note 1) 3,600 (Note 1) | 3,600 (Note 1) 3,600 (Note 1) | 2,200 – | 3,400 | 3,600 (Note 1) | 
| FT-45X | 1,600 (Note 1) 1,600 (Note 1) | 1,600 (Note 1) 1,600 (Note 1) | 1,600 (Note 1) 1,600 (Note 1) | 1,600 (Note 1) 1,600 (Note 1) | 1,600 (Note 1) 1,600 (Note 1) | 1,500 – | 1,600 (Note 1) | 1,600 (Note 1) | 
| FT-R40 | 3,600 (Note 1) 3,600 (Note 1) | 3,600 (Note 1) 3,600 (Note 1) | 3,600 (Note 1) 3,600 (Note 1) | 3,600 (Note 1) 3,600 (Note 1) | 3,600 (Note 1) 3,600 (Note 1) | 1,900 – | 3,100 | 3,600 (Note 1) | 
| FT-R43 FT-R44Y | 3,600 (Note 1) 3,600 (Note 1) | 3,600 (Note 1) 3,600 (Note 1) | 3,600 (Note 1) 3,600 (Note 1) | 3,600 (Note 1) 3,600 (Note 1) | 1,900 1,600 (Note 1) | 670 – | 1,300 | 3,600 (Note 1) | 
| FT-H35-M2 | 3,600 (Note 1) 3,600 (Note 1) | 3,600 (Note 1) 3,600 (Note 1) | 3,600 (Note 1) 3,600 (Note 1) | 3,600 (Note 1) 3,600 (Note 1) | 3,300 3,600 (Note 1) | 1,400 – | 2,000 | 3,500 (Note 1) | 
| FT-H20W-M1 | 1,600 (Note 1) 1,600 (Note 1) | 1,600 (Note 1) 1,600 (Note 1) | 1,600 (Note 1) 1,600 (Note 1) | 1,600 (Note 1) 1,600 (Note 1) | 1,600 (Note 1) 1,600 (Note 1) | 850 – | 1,300 | 1,600 (Note 1) | 
| FT-H20-M1 | 1,600 (Note 1) 1,600 (Note 1) | 1,600 (Note 1) 1,600 (Note 1) | 1,600 (Note 1) 1,600 (Note 1) | 1,600 (Note 1) 1,600 (Note 1) | 1,600 (Note 1) 1,600 (Note 1) | 1,200 – | 1,600 (Note 1) | 1,600 (Note 1) | 
| FT-H20-J50-S FT-H20-J30-S FT-H20-J20-S | 3,600 (Note 1) 3,600 (Note 1) | 3,600 (Note 1) 3,600 (Note 1) | 3,500 3,600 (Note 1) | 2,000 3,600 (Note 1) | 1,600 3,600 (Note 1) | 500 – | 1,000 | 3,500 (Note 1) | 
| (Note 1): | The fiber cable length practically limits the sensing range. | 
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