B B Thermotechnik B & B Thermotechnik STBM-271 Dust Sensor (L x W) 59 mm x 45 mm STBM-271 Hoja De Datos
Los códigos de productos
STBM-271
Definition of low ratio:
Output Characteristics:
Vcc=5V, Ta=25
*1 : Vout 1 and Vout 2 are high state when particles are not detected. (=clean room)
*2 : Vout 1 and 2 go to low state when particles are detected.
*3 : After the power is turned on.
*3 : After the power is turned on.
5. Application
This section provides general information on the STBM 271
5-1. Heater
This module has a heater (resistor) to generate heat. Heat creates updraft (upward current of
air) which draws outside air into the module.
This module has a heater (resistor) to generate heat. Heat creates updraft (upward current of
air) which draws outside air into the module.
5-2. Detectable Particles
This module is designed to detect the particle of the size bigger than one micrometer, which
usually includes cigarette smoke, house dust, tick, spore, pollen and mildew.
This module is designed to detect the particle of the size bigger than one micrometer, which
usually includes cigarette smoke, house dust, tick, spore, pollen and mildew.
5-3. Installation
The dust sensor module STBM 271 should be installed vertically and kept away from any artificial
current of air by fans. In case it is used for air purifier with a fan located in front or rear part, it
current of air by fans. In case it is used for air purifier with a fan located in front or rear part, it
should be installed at either side of the housing and not in the middle of the housing.
Air must be able to flow through both holes:
Air must be able to flow through both holes: