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Rotronic HygroPalm21 Humidity Temperature Meter
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Item Number: HP21
Manufacturer: Rotronic
Part Number: 0105.HP21
* Whole number only
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Rotronic HygroPalm21 Humidity Temperature Meter
The HP21 is an indicator that displays humidity, temperature and the dew or frost point. It is ideal for spot checking HVAC installations, manufacturing and storage areas, and generally for all ambient air measurement within the temperature range of -10 to 60°C (14 to 140 °F). The indicator has a broad set of settings and capacities that can be configured and enabled by the user with the Rotronic HW4 software. The Hp21 can still be utilized pretty much as a simple humidity and temperature indicator.
Features
- Relative humidity and temperature measurement
- Dew Point and other psychrometric calculations
- Outstanding accuracy and repeatability
- 2,000 data point memory
- Auto-diagnostics and automatic correction
- Highest-possible measuring accuracy
Integral or interchangable probe
• The HygroPalm21 has an integral probe
and the HygroPalm22 is used with an
interchangeable probe
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Easy to read display
• Clear, backlit graphic display for easy reading |
AirChip3000
• Compensates humidity and temperature
over 30,000 reference points
• 2,000 data point memory
• Dew/frost point calculation
• Sensor auto-diagnostics and automatic correction
• Active alarming and information
• ASIC (Application Specific Integrated Circuit),
micro-controller and EEPROM on one chip
Tried-and-tested housing
• Ergonomic and robust ABS housing with rubber grip
for secure handling
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Applications
 Dimensions Technical Specifications
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HP21 |
HP22 |
| No. of probe inputs / Probe type |
Integrated sensors |
1/HygroClip2® |
| Humidity sensor |
Hygromer® M3-R |
Depends on probe |
| Temperature sensor |
Pt100 1/3 Class B |
Depends on probe |
Probe cable extension
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N/A
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Passive: max.
5 m, active 100 m
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Accuracy at 23±5 °C
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± 1.0 %rh / ± 0.2 K
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Depending on
probe & adjustment
profile |
| Resolution AirChip3000 |
< 0.02 %rh / 0.01 K |
| Long-term stability humidity sensor |
<1 %rh / year |
| Response time τ63 |
<3 seconds |
Depends on probe |
| Start-up time |
Typically 3 seconds |
| Measurement range |
-10…60 °C / 0…100 %rh |
-50...200 °C |
| Electronics operating range |
-10…60 °C / 0…100 %rh |
Display type
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Graphic display, backlit,
Parameters configurable |
| Trend indicator |
Yes |
| Power supply |
9 V battery / mains adaptor |
| Power consumption |
Typically 4mA with backlight off |
| Battery indicator |
Low battery indicator |
| Firmware update |
Possible via HW4 software |
| Sensor diagnostics (drift, state) |
Programmable, default: off |
| Sensor protection |
Polyethylene filter |
Depends on probe |
| Max. air velocity at probe |
20 m/sec |
Depends on probe |
| Probe adjustment from the keypad |
1-point offset |
Multipoint |
| Probe adjustment with HW4 software |
Humidity: Multi point, Temperature 2 point |
Data logging
2000 data point memory
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internal
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in probe
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| Psychrometric calculations |
Dew point |
All available |
PC interface
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Via ROTRONIC Interface cable,
HW4 compatible |
| Dataprocessing with HW4 |
Graphs, statistics, analyses, qualification etc. |
| Audit Trail & Electronic Records |
FDA-CFR21 Part 11 / GAMP compliance |
| Housing material / weight |
ABS / approx. 210g |
| Standards |
CE-compliant, 2007/108/EG |
| IP & fire protection rating |
IP40 / complies with UL94-HB |
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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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The Rotronic HygroPalm23-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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