Indoor Air Quality Monitor

• Transport Package: Carton
• Trademark: ShowRange
• Origin: Shanghai
• Model NO.: SRAT920-CO2/SRAT920-CO2-VOC/SRAT621-TH/SRATxxx
• HS Code: 90258000
• Production Capacity: 5000PCS/Month

Product Description

SRAT920-CO2 (Temperature, Humidity, CO2, Calendar network monitor and controller)SRAT920-CO2-VOC (Temperature, Humidity, CO2, VOC, Calendar network monitor and controller)

Model	SRAT920-CO2	SRAT920-CO2-VOC
Operating	Touch screen
Display	ColorTFT LCD ,size:50*65 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: 0-5V
Input power	Optional 1: 100-220VAC   2: 24VDC/AC 3: 12vDC
Threshold set	Custom threshold
Switch	3 relays
Communication protocol	Modbus
Power consumption	5W maximum average 3.5W
Warm-up time	2 minutes, and for the first time 2 hours
Use environment	-10 ~ 50degree, 0 ~ 95% (No condensation)
Housing	IP40
Storage environment	-40 ~ 70degree,0 ~ 95%
Size	135*91*36mm

SRAT621-TH/SRAT631-TH Temperature and humidity transmitter with RS485

Key Features:

It can control the indoor temperature and humidity through detection with  analog output or switch,can get multi-control through RS485 digit output.Thus widely used in  process workshop greenhouse requirement and public places.It is also the best choice for automated building control.
Specifications:

Model		SRAT621-TH	SRAT631-TH
Install mode		Wall mount	Duct mount
Display		LED	LED
Temperature	20.0~50.0°C±1°C	*	*
	Relay output	*	*
	Analog output 4~20mA/0~10V	*	*
Humidity	0~99.9% ±3%RH	*	*
	Relay output	*	*
	Analog output 4~20mA/0~10V	*	*
RS485 communication (Modbus)		*	*
LAN communication (option)		^	^
Power 24V AC/DC (110/220V AC option)		*	*
Temperature unit   ºC		*	*

SRAT620-CO2 (Temp, Humidity, CO2 Transmitter)

SRAT622-CO2 (Temp, Humidity, CO2, transmitter, agriculture)
SRAT630-CO2 (Temp, Humidity ,CO2 Transmitter)
SRAT632-CO2 (Temp, Humidity ,CO2 transmitter,agriculture)
Features:
Dual window NDIR sensor
Analog output 4~20mA
RS485 communication
Max up to 30000ppm for CO2

Product model		SRAT620-CO2	SRAT622-CO2	SRAT630-CO2	SRAT632-CO2
Install mode		Wall mount	Wall mount	Duct mount	Separate mount
Display: LED indication
CO2	300~3000ppm
	300~30000ppm (agricultural application)
	Relay output
	Analog output 4~20mA/0~10V
Temperature	20.0~50.0°C±1°C
	Relay output
	Analog output 4~20mA/0~10V
Humidity	0~99.9% ±3%RH
	Relay output
	Analog output 4~20mA/0~10V
USB interface
RS485 communication (Modbus)
LAN communication (option)
Power 24V AC/DC (110/220V AC option)
Correspond Time		CO2; (T90)<60S;Tempearature & humidity: 1/e(63%)change, Slow flow rates<10s

SRAT820-CO2 (Temp, Humidity, CO2, Calendar monitor)
SRAT820-CO2-VOC (Temp, Humidity, CO2, VOC, Calendar monitor )

Model	SRAT820-CO2	SRAT820-CO2-VOC
Operating	Touch screen
Display	ColorTFT LCD ,size:50*65 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: Double windows 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
Digital signal output	Standard: No
	Optional:Followed by the model With A or B or C
	A: RS485
	B:LAN
	C: Bluetooth wireless transmission
USB interface	yes
Communication protocol	Modbus
Input power	Standard:100-220VAC,:Optional: 24VDC/AC,5VDC, please remark
Power consumption	5W maximum average 3.5W
Warm-up time	2 minutes, and for the first time 2 hours
Use environment	-10~50degree, 0~95%(No condensation)
Housing Waterproof Level	IP40
Storage environment	-40~70degree,0 ~ 95%
Size	135*91*36mm