Rotronic HW4 Specifications
HUMIDITY PROBES
HygroClip2 probe
The HygroClip2 is a completely new type of probe in a class of it's own in terms of accuracy and
performance. Thanks to the new AirChip3000 technology, it also boasts a unique calibration and
adjustment process as well as many other superb innovations. At the same time ROTRONIC has taken
humidity measurement technology to a whole new level of performance and reliability: the HygroClip2
offers you the best possible reproducibility and a superb system accuracy of < ±0.8 %rh and ±0.1 K.
The new HygroClip2 is available in various formats: from a simple plug-in probe for handheld
instruments and data loggers to the highly developed cable probes for high temperature and other
special applications, we can provide you with exactly the right probe to suit your needs. As standard,
they all have high accuracy, which can be increased further by specific adjustments within our
patented AirChip, making every probe in our range a high-end product for all applications.
Applications
For HVAC monitoring & control, the pharmaceutical industry, building management systems, the
paper industry, research, museums and many others.
Highlights
Measures relative humidity, temperature and dew/frost point•
Records up to 2,000 measurement pairs (%rh/°C)•
Range of application 0…100 %rh / -100...200 °C (depending on probe type)•
UART interface•
Self-testing function•
Trend indication•
HygroClip2 with AirChip3000 technology
Compensates temperature and humidity at 30,000 reference points and can store 2,000 measurement •
pairs. If programmed by the user, it can self test and correct deviations automatically
Freely configurable. Signal scaling, alarm limits and data logging intervals can be set by the user•
Active information and alarm generation•
Combines an ASIC (application specific integrated circuit), a microcontroller and a memory •
(EEPROM) on one micro-chip
Thanks to the analog, freely scalable signal (2 x 0…1V) and the UART interface, it can be integrated •
not only in ROTRONIC products, but also in most OEM and customer solutions
Can be interchanged in a few seconds without the need for readjustment•
Can be used as a reference in system qualification•
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SW14
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sTANdARd PROBes
Standard climate probes
Applications
HVAC, food stores, health inspection agencies,
warehouse mapping, building automation systems,
Use
Handheld instruments, data loggers,
transmitters, OEM systems
paper, textile and pharmaceutical industries
Highlights
Measures relative humidity, temperature and dew/frost point•
Saves up to 2,000 measurement pairs*•
Range of application 0…100 %rh / -50...100 °C•
UART interface and freely scalable analog signals 0…1 V•
Standard scaling 0…1 V = 0…100 %rh / -40...60 °C•
Probe with adjustment profile 'Standard' factory adjustment certificate•
Order code HC2-S HC2-SH HC2-S3 HC2-S3H
Type Standard probe Meteorology probe
Material Polycarbonate housing
Color Anthracite White
Adjustment At 23 °C and 10, 35, 80 %rh
Accuracy ±0.8 %rh / ±0.1 K ±0.5 %rh / ±0.1 K ±0.8 %rh / ±0.1 K ±0.5 %rh / ±0.1 K
Weight Approx. 10 g
Filter Polyethylene filter included
Sensor Hygromer IN-1 Hygromer V-1
Response time 10 s (63 % change) 3 s (63 % change)
* Optional, requires HW4 software
Order code HC2-R HC2-R3
Type Exchange/refurbished probe with new humidity sensor
Material Polycarbonate housing
Color Anthracite White
Adjustment At 23 °C and 10, 35, 80 %rh
Accuracy ±0.8 %rh / ±0.1 K
Weight Approx. 10 g
Filter Polyethylene filter included
Sensor Hygromer IN-1 Hygromer V-1
Response time 10 s (63 % change) 3 s (63 % change)
* Optional, requires HW4 software
You can find detailed up-to-date information on our probes at www.rotronic-humidity.com.
Electrical connections:
(all HygroClip2 probes with connector)
V+ (3.2 VDC to max. 5 VDC, ±0%; 1
recommended: 3.3 VDC)
GND (ground, digital and power)2
RXD (UART)3
TXD (UART)4
Analog signal %rh (0…100 %rh=0…1 V)5
Analog signal °C (-40…60 °C = 0…1 V)6
AGND (analog ground)7
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