Indoor Air Quality Monitor

• Transport Package: Carton
• Trademark: ShowRange
• Origin: Shanghai
• Model NO.: SRAT921-CO2/SRAT931-CO2/SRAT930-CO2/SRATxxx
• HS Code: 90258000
• Production Capacity: 5000PCS/Month

Product Description

SRAT921-CO2 Wall Mount Controller For Agricultural Application;
(CO2,Temp, Humidity, Calendar) 4 in 1 Controller
SRAT931-CO2 Controller For Agricultural Application with Seperated type Sensor
(CO2,Temp, Humidity, Calendar) 4 in 1 Controller
Key Features:
For monitoring and controlling indoor carbon dioxide concentrations, suitable for conservatories, greenhouses places,mushroom, grown room and other agricultural applications.
Max up to 30000ppm for CO2.
Color TFT LCD display with touch screen (model SRAT921-CO2)
Black/white LCD display (model SRAT931-CO2)
Seperated type sensor install, standard line is 2.0 meter (model SRAT931-CO2)
USB interface and RS485 communication (Modbus protocol) 3 ways Relay output.
Analog output 4~20mA (Optional:0-10V, 0-5V, Please remark)
Correspond time: CO2:,(T90)<60s; Temperature and humidity: 1/e(63%)change, Slow flow rates<10s
Input power 24V AC/DC
SRAT930-CO2 (Temperature,Humidity,CO2,Calendar montior and controller)
SRAT930-CO2-VOC (Temperature,Humidity,CO2,VOC,Calendar monitor and controller)

Model	SRAT930-CO2	SRAT930-CO2-VOC
Operating	Touch keys
Display	Dot matrix LCD ,size :55X34 mm
Measuring range	Temperature:-30~70°C	Temperature:-30~70°C
	Humidity:0~100%	Humidity:0~100%
	CO2:0~3000ppm	CO2: 0~3000ppm
		VOC: 0~30ppm
		(Anologue display)
Accuracy	Temperature:+/- 0.5°C ,Humidity:+/- 3%RH ,CO2: +/- (50ppm+3%)
Sensor	Humidity:Capacitive ,    CO2: Dual window NDIR
Correspod time	CO2 :,(T90) <60s; Temperature and humidity: 1/e(63%)change, Slow flow rates<10s
	VOC: 20m2 indoor, for 10ppm ethanol<1min,for flue gas<5min
Alarm	Sound and light alarm
USB interface	Yes
Digital signal output	Optional: A: RS485 B:LAN C: Bluetooth wireless transmission
Analog output	Optional X : 4-20m A   Y : 0-10V Z: 12VDC
Input power	Optional 1: 100-220VAC   2: 24VDC/AC 3: 0-5V
Threshold set	Custom threshold
Switch	3 relays
Communication protocol	Modbus
Warm-up time	2 minutes, and for the first time 2 hours
Use environment	-10—50degree, 0~95%(No condensation)
Housing	IP65
Storage environment	-40—70degree,0 ~95%
Size	146*117*70mm Probe: 119*38mm

SRAT941-CO2 Temperature,humidity and CO2 Monitor with Fan Level Control
Key Features
People are more care about heir health, indoor CO2 detection become a trend
This product combined home thermostat, CO2 detection and fan level control in one, it becomes the first choice for green building and health life.
Specification

	Range	Resolution	Accuracy
CO2	300~3000ppm	1ppm	5%+50
Temperature	-20.0~50.0°C	0.1°C	1°C
Humidity	0.0~99.9%RH	0.1%RH	3%RH

Correspond time: CO2:, (T90)<60s;
Temperature and humidity: 1/e(63%)change,
Slow flow rates<10s
SRAT840-CO2 Indoor Air Quality Monitor-Wall Embedded
SRAT840-CO2-TH Indoor Air Quality Monitor-Wall Embedded
With the development of society, people are more concerned about their own survival environment. Monitoring of indoor air quality has become an indispensable part of life.
Key Features
Used for monitoring indoor air quality, suitable for bedroom, office, conference rooms, theaters, public indoor places.
Measure indoor carbon dioxide concentration, temperature, humidity, with digital output RS485 communication (MODBUS)
Used in multi-monitor system in building automation, Custom threshold setting
Input power 24V AC/DC