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Rotronic HygroPalm23-A Humidity Temperature Meter
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Item Number: HP23-A
Manufacturer: Rotronic
Part Number: 0105.HP23-A
* Whole number only
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Rotronic HygroPalm23-A Humidity Temperature Meter
The HP23-A is an indicator that can read the data from up to two Hygroclip 2 probes and display relative humidity, temperature and a calculated parameter. The probe input can be configured by the user to acknowledge a third party analog probe. The measuring range is within 0 to 100 %RH and -100 to 200°C (-148 to 392°F) depending on the HygroClip 2 probe model. The indicator has a far reaching set of settings and functions that can be enabled and configured by the user either directly from the keypad or with the Rotronic HW4 software.
Features
- Highest possible measuring accuracy
- Ensures measurement reproducibility
- Relative humidity and temperature measurement and calculated psychrometric values
- Two interchangeable probe inputs, digital or analog
- 20,000 data point memory with real-time clock
- Data capture of 250 data points each for up to 8 defined locations
- Probe adjustment with dew point reference
- Battery status indicator and charging function
Flexible choice of probes
• The HygroPalm23 can be fitted with interchangeable probes
• Has 2 probe inputs
• Connection of HygroClip2 or analog probes possible
• No adjustment required for HygroClip2 probes
Interface
• Easy and quick access to service connector possible
• Mini USB interface available for a PC running HW4 software
• Offers extended calibration and calculation functions
• Remote connection to HygroClip2 transmitters
Practical display
• The clear, backlit graphic display is easy to read
and the simple menu navigation provides fast
access to all the information available
• Trend indication of values
• Saves measurements (capture logging)
and allows display of all values
• Battery status indicator
• Display resolution to 3 decimal places
• Various display formats available
Ergonomic housing
• Robust ABS housing with rubber grip for secure handling
• IP 40 protection
Battery/Rechargeable battery compartment
• Battery or rechargeable battery holder with lock
• The battery powers third party probe (max. 5 V)
• Includes recharging function
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Applications
 Probes for HygroPalm23 Dimensions Technical Specifications
| No. of probe inputs |
2 (HygroClip2 or analog) |
| Humidity sensor |
Depends on probe |
| Temperature sensor |
Depends on probe |
| Accuracy at 23 ±5 °C |
Depends on probe used (±0.8 %rh / ±0.1 K) |
| Long-term stability humidity sensor |
< 1 %rh / year |
| Response time τ63 |
Depends on probe |
| Start-up time |
Typically < 3 s |
| Measurement range |
Depends on probe |
| Electronics operating range |
0…100 %rh / -10…60 °C |
Display type
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Graphic display, backlit, parameters configurable,
3 decimal places |
| Alarm indicator |
Yes |
| Real-time clock |
Yes, with backup battery |
| Trend indicator |
Yes |
| Power supply |
9 V battery or rechargeable battery |
| Power consumption |
Typically 10 mA with backlight off |
| Power for 3rd-party probes |
Yes, battery voltage |
| Battery indicator |
Yes, status indicator |
| Firmware upgrade |
Yes, via HW4 software |
| Sensor diagnostics (drift, state) |
Programmable, default: off |
| Filter |
Depends on probe |
| Max. air velocity at sensor |
Depends on probe |
Humidity / Temperature adjustment
from keyboard |
Yes, 1-point or multi-point temperature
and humidity adjustment |
Humidity / Temperature adjustment
via dew point reference |
Yes, temperature 2-point /
humidity max. 100 points |
| Adjustment with software |
1-point & multi-point (%rh / °C), with service cable |
| Data logging memory function |
20,000 data points (2 x 10,000 data point pairs) |
Psychrometric calculations
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Dew point, wet-bulb temperature, mixing ratio,
enthalpy, water vapor content, water vapor density |
| Event logging |
Yes |
| Interface |
Mini USB |
| Device lock |
Via service cable & HW4 software |
| Data processing with HW4 |
Graphs, statistics, analyses, qualification, etc. |
| Max. length service cable |
5 m |
| Housing material / weight |
ABS / approx. 300 g |
| Dimensions |
196 x 72 x 35 mm |
| Standards |
CE-compliant 2007 / 108 / EC |
| Audit trail & electronic records |
FDA-CFR21 Part 11 / GAMP compliance |
| IP & fire protection rating |
IP 40 / Complies with UL94-HB |
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The Rotronic HygroPalm21 measurement range is from -10 to 60 °C (14 to 140 °F) and 0 to 100 %RH.
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The Rotronic HygroPalm22-A measurement range (depending on probe model) is from 100 to 200 °C (-148 to 392 °F) and 0 to 100 %RH.
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Product Reviews
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