HC2A-S - Humidity Probe

HC2A-S - Humidity Probe

Ambient Air Probe for Indicators, Transmitters or Data Loggers

The HC2A-S / HC2A-S3 is the most versatile probe from ROTRONIC and forms the basis of the product portfolio. It measures humidity and temperature and calculates the dew/frost point.

HVAC, food industry, building services equipment, paper, textile and pharmaceutical industries

• Relative humidity, temperature measurement and dew point calculation
• Outstanding accuracy and repeatability
• Excellent long-term stability <1 %RH / year
• Integrated data acquisition and calibration history 
• Auto-diagnostics with error compensation
• Programmable alarm functions
• Advanced easy-to-use calibration features
• 100% field interchangeable

More Information
Probe type Standard probe
Humidity sensor Hygromer HT-1
Temperature sensor PT100 1/3 DIN Class B
Long-term stability <1 %rh / year
Accuracy w. adjustment profile "standard" ±0.8 %RH / ±0.1 K, at 10...30 °C
Adjustment at 23 °C and 10, 35, 80 %RH
Accuracy w. adjustment profile "High Precision" ±0.5 %RH / ±0.1 K, at 10...30 °C
at 23 °C and 10, 20, 30, 40, 50, 60, 70, 80, 90 %RH
Reproducibility Airchip <0.02 %rh / 0.01 K
Response time t 63 <15 sec.
Power consumption 3.3…5 VDC
Dimensions Ø15 x 108 mm
Operating range -50…100 °C / 0…100 %rh
Allowed wind speed 20 m/s, with filter
Exploitation software ROTRONIC HW4
Psychrometric calculations Dew or frost point
Analogue outputs scaleable by the user Yes
Software Update With internet and HW4 software
User information from Software HW4 (devicemanager)
Data processing via HW4 with interface cables
Type of output signals 2 x 0…1 VDC
Digital output signal (standard) UART
Service Interface UART
FDA/GAMP compatibility FDA 21 CFR Part 11 and GAMP compatible
Probe adjustment by software 1 Point & multipoint %rh & °C
Device Protection by password Yes
Analog output signal (standard) 0…1 V = 0…100 %rh; 0…1 V = -40…60 °C
Reverse voltage protection Mechanically in the connector
Max. cable length Up to 5 m with passive cable. Up to 100 m with active cable.
Probe material PEEK
Probe protection Polycarbonate plastic cage, black
Filter cartridge Polyethylene
Enclosure material Polycarbonate
Weight 17 g
Housing Polycarbonate
Current consumption 4.5 mA at 3.3 VDC
Filter type Polyethylene, 40 μm

Want to learn more about our products?
We will be pleased to personally advise you.

+41 44 838 11 11


Privacy Notice:By submitting the form, you agree that your data will be used to process your request (further information and revocation instructions can be found in the privacy policy).

Copyright © 2021-present Rotronic, Inc. All rights reserved.