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The temperature and humidity of refrigerator & freezers used for storage of critical goods such as, cold room, warehouse, medicine, vaccine etc. need to be continuously monitored and recorded. If the temperature goes above or below the permitted temperature levels, the operating personnel need to be alerted as well so that the items can be well protected.

We have various real time monitoring solutions which will continuously monitor Temperature and Humidity of the area. The data will be continuously recorded on the device, on a computer as well as over the internet and

will be continuously backed up. The sensors can be correctly placed after conducting a Temperature Mapping study of the enclosed ares which will identify potential hot spots.

Typical applications are :

• Cold room for medicines, vaccines etc.
• Cold Storage for food, meat etc.
• Warehouses for medicines,food or for any other purpose
• Walk in Chillers for food or medicines
• Patient Rooms in hospitals
• ICU in hospitals
• Operation Theater in hospitals

SPECIFICATIONS

Power supply: DC12V/1.5A
Inside temperature measure rang: -40°C ~ +125°C, accuracy±0.3°C
Inside humidity measure rang: 0~100%RH, accuracy±2%
External temperature probe measure rang: -55°C ~ +125°C

External humidity probe measure rang: 0~100%RH
GSM quad-band, applicable worldwide
Working temperature: -40℃~+70℃
Relative humidity: 10-90%, No condensation
Exterior dimension: 130×130×19mm
All-aluminum panel

2 wired inputs for alarm, configurable alarm/recover SMS
3 relay outputs (DC220V 2A / AC125V 2A)
Power failure/recover alarm
Built-in lithium-ion battery (500mAh/3.7V) which can last 6 hours
Alert buzzer and light
Adopted highly integrated industrial ARM MCU
Reliable performance with built-in double watchdog
User programmable PC suite
Low maintenance, 24×7 operation

Setting Temperature High and Low Range, and Temperature Alarm Parameters:

WIFI Access

View Temperature Humidity data on APP

Control relay on APP

Realtime logging Temperature Humidity data

Thermostat

3 relay outputs

inside timer to program relay output

Data Logger

Inside temperature and humidity sensor

4000pcs temperature records

PC software program

SMS Operation

Preset 10 authorized phone numbers

SMS alarm

Control relay via SMS

Check current temperature via SMS

GPRS Communication

TCP/IP connect 4 internet servers

Http:post, CWT I/O protocol, Modbus TCP

Realtime data logger

Function Specification

Program Software Screenshot- Adding WIFI Address:

Program Software Screenshot-Adding High/Low Temperature Range:

Program Software Screenshot-Adding Basic Parameters:

T20 GSM GPRS WIFI Temperature and Humidity Controller Images