
Model: 6539A
Technical Specs |
Order Info
This probe is a precision Humidity Probe, based on the Vaisala HMP45A Humidity Probe, modified to be used with the STARLOGGER.
The Probe may be used with a Model 6704A Radiation Gill Screen.

| Relative Humidity |
| Measurement range: |
0.8 to 100 %RH |
| Output scale: |
0-100 %RH equals 0-1 VDC |
| Accuracy at +20°C: |
±1 %RH |
| Response time (90%) at +20°C: |
15s with membrane filter |
| Temperature |
| Measurement range: |
-39.2 to +60 °C |
| Output scale: |
-40 to +60 °C equals 0 to 1 VDC |
| Accuracy at +20°C: |
±0.2°C |
| General |
| Operating temperature range: |
-40 to +60 °C |
| Supply voltage: |
7 to 35 VDC |
| Settling time: |
500ms |
| Power consumption: |
<4mA |
| Cable length: |
3.5m |
| Size/Weight: |
240mm × 24mm (length × diameter), 350g |

| Model |
Description |
| 6539A |
Temperature & Humidity Probe |
| 6252 |
Temperature & Humidity Probe (5V) User Manual Supplement |
|