TH-S425C-L – Thermal Power Sensor Head, Surface Absorber, 0.19 – 20 µm, 50 W, Ø25.4 mm
TH-S425C-L – Thermal Power Sensor Head, Surface Absorber, 0.19 – 20 µm, 50 W, Ø25.4 mm
Product Drawing
| Wavelength Range | 190 nm – 20 µm |
| Optical Power Range | 2 mW – 50 W (75 Wb) |
| Input Aperture Size | Ø25.4 mm |
|
Active Detector Area |
Ø27 mm |
| Max Optical Power Density | 1.5 kW/cm² (Avg.) |
| Detector Type | Thermal Surface Absorber (Thermopile) |
| Linearity | ±0.5% |
| Resolutionc | 100 µW |
| Measurement Uncertaintyd | ±3% @ 1064 nm ±5% @ 250 nm – 17 µm |
| Response Timee | 0.6 s |
| Cooling | Convection (Passive) |
| Housing Dimensions (Without Adapter, if Applicable) |
100.0 mm x 100.0 mm x 58.0 mm (3.94″ x 3.94″ x 2.28″) |
| Temperature Sensor (In Sensor Head) |
NTC Thermistor |
| Cable Length | 1.5 m |
| Post Mounting | Universal 8-32 / M4 Taps (Post Not Included) |
| 30 mm Cage Mounting | – |
| Aperture Threads | Internal SM1 |
| Removable Heatsink | Yes |
| Accessories | Externally SM1-Threaded Adapter |
