Thermopile Sensors
HMS Series
Feature & Benefits
- Small TO-46 or tiny µ-TO package
- 3 different thermopile sensor chips available
- Large number of filter options
- Optional thermistor temperature reference
- Large operating range -20°C to 120°C
HMS m-Series
Feature & Benefits
- Small TO-46 housing
- 3 different thermopile sensor chips available
- Two different lens options
- FOV from 12° to 28°
- Optional thermistor temperature reference
- Large operating range -20°C to 120°C
Specification
| Specifications | HMS J11 | HMS J1c1/K1c1* | HMS M21 | Unit |
| Element size | 0.6² | 0.76² | 1.2² | mm² |
| Voltage response | 22 | 30 | 63 | V mm² / W |
| Sensitivity | 58 | 52 | 44 | V / W |
| Resistance RTP | 86 | 75 | 84 | kOhm |
| TC of resistance RTP | 0.02 | 0.02 | 0.02 | % / K |
| Noise | 38 | 35 | 37 | nV / Hz½ |
| Detectivity | 0.9e8 | 1.1e8 | 1.4e8 | cm Hz½ / W |
| Time constant | < 5 | 8 | 10 | ms |
| Thermistor reference | 100 | 100 | 100 | kOhm |
| Temp. coeff. of thermistor | 3940 | 3940 | 3940 | K |
| Field of view | 120 | 100 | 16 or 28 | degree |
| Operating temperature | -20 .. 120 | -20 .. 120 | -20 .. 120 | °C |
| Storage temperature | -40 .. 120 | -40 .. 120 | -40 .. 120 | °C |
