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Rotronic HygroPalm 21
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ROTRONIC make HP21 is a highly accurate handheld indicator that displays relative humidity, temperature and dew or frost point temperature. The HP21 is perfect for spot checking HVAC installations, manufacturing or storage areas and any ambient air measurement.
HygroPalm 21
ROTRONIC ,Switzerland make HP21 is a highly accurate handheld indicator that displays relative humidity, temperature and dew or frost point temperature. The HP21 is perfect for spot checking HVAC installations, manufacturing or storage areas and any ambient air measurement within the temperature range of -10 to 60°C (14 to 140 °F). The HP21 is designed to meet a wide range of user requirements from the most basic applications to the most demanding applications. In spite of its high end design, the HP21 is ideal even as a simple humidity and temperature indicator.
Features:
- Range of measurement: -10 to 60°C / 0 to 100 %RH
- Accuracy at 23°C: 1 %RH, 0.2 K
- Adjusted at 23 °C and 10, 35, 80 %RH
- Service interface (UART)
- Calculation of dew and frost point
Technical Specifications:
| Psychrometric calculations | Dew or frost point |
| Calibration / adjustment | with keypad |
| Reproducibility Airchip | <0.02 %rh / 0.01 K |
| Initialisation time | Typically <3 sec. |
| Measurement interval | 2 seconds |
| Display type | Graphic display. Display freely configurable |
| Backlight | Yes |
| Alarm indicators | Yes |
| Battery indicator | Yes |
| Exploitation software | ROTRONIC HW4.2 (Not part of supply) |
| Trend indicator | Yes |
| Probe adjustment by software | Yes, with service cable (Not part of supply) |
| Firmware update | With internet and HW4 software |
| User information | from Software HW4 (devicemanager) |
| Data processing via HW4 | Graphs, statistics, analysis, qualification, etc. |
| Device Protection by password | Yes |
| Service Interface | Mini USB (UART) |
| Max. cable length service cable | 5 m (Not part of supply ) |
| Enclosure material | ABS |
| IP protection rating | IP40 |
| Fire protection class | UL94-HB Compliant |
| FDA/GAMP compatibility | FDA 21 CFR Part 11 and GAMP compatible |
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