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Test & Measurement
Instruments
HygroPalm 21 Handheld Hygrometer
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
The 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.
The HP21 indicator offers an extensive set of settings and functions that can be configured and enabled by the user with the ROTRONIC HW4 software. 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
Specifications & Spare Parts
| Dimensions | 274 x 72 x 35 mm |
| Operating range electronics | -10…60 °C / 0…100 %RH |
| Accuracy at 23 ±5 °C | ±1.0 %rh / ±0.2 K |
| Accuracy w. adjustment profile “standard” | at 23 °C / 10, 35, 80 %rh ± 1.0 %rh / ± 0.2 K |
| Measuring range with integrated probe | -10…60 °C / 0…100 %RH |
| Power supply / Power consumption | 9 V battery / ~5 mA (without lighting) |
| Long-term stability sensor | <1 %rh / year |
| Humidity sensor | Hygromer M1-R |
| Temperature sensor | PT100 1/3 DIN Class B |
| Probe protection | Polycarbonate plastic cage, black |
| Response time t 63 | <3 sec. |
| Allowed wind speed | 40 m/s, with filter |
| 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 |
| Menu guidance | Yes |
| Trend indicator | Yes |
| Probe adjustment by software | Yes, with service cable |
| 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 |
| Enclosure material | ABS |
| IP protection rating | IP40 |
| Fire protection class | UL94-HB Compliant |
| FDA/GAMP compatibility | FDA 21 CFR Part 11 and GAMP compatible |
