| PROBE |
FST-12 |
FST-13 |
| Humidity sensor |
ROTRONIC Hygromer ™ C94 thin film capacitive |
| Temperature sensor |
Pt100 RTD |
| Operating limits |
0...100%RH
0...50°C / 32...122°F |
| Repeatability |
better than 0.5%RH and 0.1°C/°F |
| Humidity sensor stability |
better than 1% RH per year |
| Sensor protection |
type D15G, stainless steel wire mesh, PPS frame |
| Probe material |
Polycarbonate |
| TRANSMITTER |
FST-12 |
FST-13 |
| Circuit type |
2-wire loop-powered |
3-wire |
| Signal type |
4...20 mA |
0...20 mA, 4...20 mA
0...1V, 0...5V, 0...10V |
| Measuring range |
30...60% RH
0...50°C or 50...100°F or 0...100°F |
| Accuracy at 23°C |
±1.0% RH from 35 to 50 %RH
± 0.2°C from 20 to 25.5°C / ± 0.4°F from 68 to 78°F |
| Operating limits |
0...99% RH non condensing
-40...60°C / -40...140°F |
| Power supply |
10...28 VDC, 10 + 0.02 x load
20 mA per output |
10...35 VDC (50 mA) or 12...24 VAC
minimum 15 V for current outputs
< 50 mA |
| Maximum load for current outputs |
250 Ohm |
| Minimum load for voltage outputs |
n/a |
1000 Ohm |
| Electrical connections |
cable grip and terminals |
| Housing material |
ABS |
| Protection grade |
IP65/NEMA 4 |
| Weight |
292 g / 10.3 oz |

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