Room sensor QMX6.P40

with temperature and relative humidity sensors, 
available in white and black,
with slim profile of 18 mm,
for vertical installation directly on the wall or on a conduit box,
with adjustable room operating modes (via KNX object): Auto, comfort, pre-comfort (standby), economy and protection,
with adjustable setpoint (via KNX object) for temperature, humidity, and CO2 (needs external CO2 sensor),
with adjustable fan speed (via KNX object): continuous or up to 5-speed,
with integrated temperature controller for heating and cooling,
for water-based HVAC equipment: Radiators, floor heating, radiant ceilings,
in HVAC applications: 2-pipe, 2-pipe/2-stage, 2-pipe with changeover, 2-pipe/2-stage with changeover, 4-pipe, 4-pipe/2-stage,
in control applications: 2-point (on/off) and/or PI (PWM/continuous) for first stage, and PI (PWM/continuous) for second stage,
with integrated humidity controller as PI or staged (up to 5 stages) control,
with integrated CO2 controller (needs external CO2 sensor) as PI or staged (up to 5 stages) control,
with 3 calculators to calculate maximal, minimal or weighted values for up to 6 values of: percentage, temperature, illuminance, humidity, and CO2,
with 3 comparators to compare two values of internal sensors, external objects, constant values and calculator evaluations,
with integrated bus coupler, bus connection via bus terminal, operation of electronics with bus voltage,

Manufacturer: Siemens 
Order no.: S55720-S605 (white)
Order no.: S55720-S643 (black)