SM6901B Us er Ma nual
http://www.sonbus.com/
Sha nghai Son
best Industrial Co., Ltd Page2
high-precision sensing core and related devices to ensure high reliability and excellent long -term
stability,can be customized RS232,RS485,CAN,4-20mA,DC0~5V\10V,ZIGBEE,Lora,WIFI,GPRS and
other output methods.
Technical Parameters
Technical parameter
Parameter value
Brand
SONBEST
Temperature measuring range
-30
℃
~80
℃
Temperature measuring accuracy
±
0.5
℃
@25
℃
Support sensor
SHT20
Channels
8
Input bus
IIC
Humidity measuring range
0~100%RH
Humidity accuracy
±
3%RH @25
℃
Illuminance measuring range
0~65535Lux
Illuminance allow deviation
±
7%
Repeatability test
±
5%
Illuminance detection chip
Import digital
Wavelength range
380nm~730nm
CO2 range
0~5000ppm
CO2 accuracy
±
100ppm
Smoke measuring range
0~5000ppm
Smoke allow deviation
±
7%
Smoke Repeatability test
±
5%
Smoke detection chip
Import digital
Temperature characteristics
±
0.5%/
℃
CH4 measuring range
0~5000ppm
CH4 allow deviation
±
7%
CH4 Repeatability test
±
5%
Temperature characteristics
±
0.5%/
℃
H2S range
0~100ppm
H2S accuracy
±
10ppm
CO range
0~100ppm
CO accuracy
±
10ppm
Communication Interface
RS485
Default baud rate
9600 8 n 1
Power
DC9~24V 1A
Wiring instructions
Any incorrect wiring can cause irreversible damage to the product. Please carefully wire the cable as
follows in the case of power failure, and then connect the cable to confirm the correctness and then use it
again.
ID
Core color
Identification
Note
1
Red
V+
Power +
2
Green
V-
Power -
