Sentera Controls RSTHX-2, Mounting And Operating Instructions

www.sentera.eu

MIW-RSTHX-2-EN-000 - 06 / 11 / 2019

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PRODUCT DESCRIPTION

The RSTHX-2 series are room sensors which measure temperature, relative humidity 
and ambient light. They feature a wide range of low voltage power supply and two 
analogue / modulating outputs. All parameters are accessible via Modbus RTU. 

ARTICLE CODES

Article code

Supply Maximum power 

consumption

Nominal power 

consumption

Imax

RSTHF-2

18—34 VDC

1,728 W

1,3 W 72 mA

RSTHG-2

18—34 VDC / 15—24 VAC 

±10 % 

1,8 W

1,35 W 75 mA

INTENDED AREA OF USE

■

Monitoring indoor temperature and relative humidity in HVAC applications

■

Suitable for residential and commercial buildings

■

For indoor use only

TECHNICAL DATA

■

2 analogue/ modulating outputs: 

►

0—10 VDC mode: R

L

 ≥ 50 kΩ

►

0—20 mA: R

L

 ≤ 500 Ω 

►

 PWM (open-collector type): PWM Frequency: 1 kHz, R

L

 ≥ 50 kΩ; PWM voltage 

level 3,3 or 12 VDC

■

Selectable temperature range: 0—50 °C

■

Selectable relative humidity range: 0—100 %

■

Ambient light sensor with adjustable ‘active’ and ‘standby’ level

■

3 LEDs for status indication with adjustable light intensity

■

  Accuracy: ±0,4 °C (range 0—50 °C); ±3 % rH (range 0—95 % rH)

■

Enclosure:

►

rear plate: plastic ABS, black (RAL 9004)

►

front cover: ASA, ivory (RAL 9010)

■

Protection standard: IP30 (according to EN 60529)

■

Typical range of use: 

►

temperature: 0—50 °C

►

rel. humidity: 0—95 % rH, (non-condensing)

■

Storage temperature: -10—60 °C

STANDARDS

■

 Low Voltage Directive 2014/35/EC

►

EN 60529:1991 Degrees of protection provided by enclosures (IP Code) 
Amendment AC:1993 to EN 60529

►

 EN 60730-1:2011 Automatic electrical controls for household and similar use 
- Part 1: General requirements

RSTHX-2

COMBINED TEMPERATURE AND RELATIVE 
HUMIDITY ROOM TRANSMITTER