SMS Alarm Max Min Gsm Data Logger Battery Powered With Double External Probe

Introduction : 

S500 GSM data logger

1, designed to monitor temperature with capability to send alarming message to phone numbers

set up by customers when temperature data is out of pre-definded limits;

2,Will send good news message when data is back within pre-defined limits.

3, In addition,customer can get real-time data message by calling phone number in the logger.

This series use original sensor import from America or Switzerland, has high accuracy and stable. The user

can also calibration the instrument by deviation.

Features: 

Message alarm function : if the data exceed the limit that user set up, deivce will send alarm message.

Application Frequency range : GSM850/900/1800/1900MHz.

Built-in sound & light alarm function : when the data exceed the limit that user set up, device will buzzer and light alarm.

Get real time data by dialing the phone number that user put in the logger.

MAX/MIN function key to show the maximum/minimum value.

Can download EXCEL , PDF , BMP graph formats data sheet. 

Specification : 

Applications :

  Widely use in two door  refrigerator,  cold storage , freezer , etc.