HC2-HK25/HC2-HK40 Handheld Probe with Wide Temperature Range

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This handheld probe is especially suitable for mobile measurements of humidity in high temperatures. It measures humidity and temperature and calculates the dew/frost point.


  • Range of measurement: -100â¦200 °C / 0â¦100 %RH
  • Digital interface (UART) and scalable analog outputs, 0â¦1 V
  • Standard output scaling: 0â¦1 V = -40â¦60 °C / 0â¦100 %RH
  • Adjusted at 23 °C and 10, 35, 80 %RH
Probe typeHigh-Temperature Handheld Probe
DimensionsØ15 x 25mm / Ø15 x 400mm
Weight210g / 240g
Operating range electronics-40…100 °C / 0…100 %RH
Accuracy at 23 ±5 °C±0.8 %RH / ±0.1 K
Accuracy w. adjustment profile "standard"at 23 °C / 10, 35, 80%RH ± 0.8%RH / ± 0.1 K
Measuring range-100...200 °C (short-term peak load) / 0...100%RH
Power supply / Power consumption3.2…5 VDC, Calibrated @ 3.3 VDC / ~4.5 mA
Long-term sensor stability<1 %RH / year
Humidity sensorHygromer IN-1
Temperature sensorPT100 1/3 DIN Class B
Probe protectionFilter carrier, brass nickelplated
Filter cartridgeWire mesh, 20...25 um
Response time t 6320 m/s, with filter
Psychrometric calculations<0.02 %RH / 0.01 K
Exploitation softwareROTRONIC HW4.2
Probe adjustment by software1 Point & multipoint %RH & °C
Firmware updateWith internet and HW4 software
User informationfrom Software HW4 (devicemanager)
Data processing via HW4with interface cables
Device Protection by passwordYes
Type of output signals2 x 0…1 VDC
Analog outputs scaleable by the userYes
Analog output signal (standard)0…1 V = 0…100 %rh; 0…1 V = -40…60 °C
Digital output signal (standard)UART
Service InterfaceUART
Reverse voltage protectionMechanically in the connector
Max. cable length service cable2m
Probe materialPEEK
Enclosure materialPOM handle / sensor tube: PPS, black
FDA/GAMP compatibilityFDA 21 CFR Part 11 and GAMP compatible

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