R-Type / S-Type
Measures relative humidity and temperature and calculates the dew/frost point in offices and rooms where good looks play a role.

Features

• Accuracy: ±2 %rh / ±0.3 K at 23°C ±5 K
• Temperature limit at probe: -40…60 °C / 0…100 %rh
• Range of application electronics: -40…60 °C / 0…100 %rh, -10…60 °C with LCD
• Use as simulator for system validation*
• Service interface
• Adjusted at 23 °C and 10, 35, 80 %rh

Probe type

Integrated

Dimensions

Wall: ø 82 x 43, probe length 100 mm 
Duct: ø 82 x 43, probe length 207 mm 
Room: 82 x 82 x 26 mm 

Operating range electronics

-40…60 °C / -10…60 °C (Models with display) 0…100 %rh, non-condensing

Accuracy at 23 ±5 °C

±2.0 %rh / ±1.0 %rh (Type R), ±0.3 K / ±0.2 K (Type R)

Measuring range with integrated probe

-40…60 °C / 0…100 %rh

Power supply / Power consumption

15…40 VDC or 12…28 VAC/ <100 mA

Probe protection

Polycarbonate plastic cage, white

Filter cartridge

Polyethylene dust filter, gray, 20 um

Response time t 63

<12 s for 63% of a 35> 80% (1 m / sec air flow at the sensor)

Allowed wind speed

20 m/s, with filtre

Psychrometric calculations

Dew or frost point

Reproducibility Airchip

<0.02 %rh / 0.01 K

Measurement interval

typically 1 second (without calculations)

Display type

Optional graphics display. Presentation configurable.

Backlight

with Backlight

Alarm indicators

Yes

Exploitation software

ROTRONIC HW4.2

Trend indicator

Yes, for models with display

Probe adjustment by software

Yes, with service cable

Remote control functions

Via HygroPalm and service cable

Firmware update

With internet and HW4 software

User information

from Software HW4 (devicemanager)

Data processing via HW4

with interface cables

Device Protection by password

Yes

Type of output signals

2

Analogue outputs scaleable by the user

Yes

Change of output signal w/o adjustment

Yes

Analog output signal (standard)

0…20 mA, 4… 20 mA; 0… 1 V, 0… 5 V, 0… 10 V

Digital output signal (standard)

UART

Min. / max. load voltage / current signal

V min = 10 V + (0.02 x Load*) * = Resistance in ohms

Service Interface

Mini USB (UART)

Service Information

Calibration interval

Max. cable length service cable

5 m

Probe material

Polycarbonate

Enclosure material

ABS

IP protection rating

HF3x-S/ HF3x-R: IP20 
HF3x-W/ HF3x-D: IP65

Fire protection class

Complies UL94-HB

FDA/GAMP compatibility

FDA 21 CFR Part 11 and GAMP compatible