The HS-91 is a relative air humidity and temperature sensor with acute accuracy, even in areas of higher relative humidity (RH).
Specifications
| Relative humidity: | |
| Output | 0-1 volt: 0-100% RH linear or
0-10 volt: 0-100% RH linear |
| Temperature: | |
| Output | 0-4 volt linear 0 V = -50 °C
0,5 V = 0 °C 1,0 V = 50 °C |
| Supply voltage | 0-15V direct current |
| RH performance specifications: | T performance specifications: | ||
| Resolution | 0.5% RH min.
0.3% RH typical |
Resolution | 0.04 °C min.
0.001 °C typical |
| Absolute accuracy | 10-90% < 2% RH | Absolute accuracy | 0.5 °C at 25 °C |
| 0-10% 2-4% RH | -40 °C min. | ||
| 90-100% 2-4% RH | +123,8 °C max. | ||
| Range | 0-10% 2-4% RH | Reaction time | 5 sec. |
| Reaction time | 4 sec. | ||
| Long-tern stability | < 1% RH/year |



