Model: RTU5023
Name: GSM SMS Temperature Humidity Alarm
The GSM SMS Environment Alarm is special for remotelymonitoring onsite temperature, humidity, power status through wireless GSMNetwork. When the temperature, humidity, power voltage exceed high threshold orlow threshold value, will send SMS alert to upto 10 preset mobile phoneimmediately.
Just dial from Authorized User number, the GSM EnvironmentAlarm will reject at the first “Ring”, no communication cost, and then returnthe current temperature, humidity, power status or voltage. Moreover, it canreport onsite environment interval or daily.
The GSM Environment Alarm can be used for solar powermonitoring, DC power voltage monitoring, temperature monitoring, humiditymonitoring, Class Room, Public Room, Waiting Room, Hospital, Stations, FreshFood Warehouse, Office, Meeting Room, Laboratory, Library and anywhere thatneed monitoring temperature or control temperature in expected range.
Mainly Featuresof the GSM Environment Alarm:
1. Can be operated from anywhere, no distancelimitation;
2. No call charges for inquiry. the GSMEnvironment Alarm rejects the call from authorized number then return onsitetemperature, humidity, and power voltage on the first 'ring';
3. Multiple applications. (temperature,humidity, power status, solar panel, dc voltage);
4. Up to 10 authorized phone numbers, 5 can beused to receive call or SMS,and 5 can be used to call and SMS while alarmoccurrence;
5. One Temperature & Humidity sensorinput, measures temperatures from -40-80°C,0.5°C accuracy, Relative Humidityfrom 0-99RH%, accuracy is 3%;
6. External AC Power status monitoring, ACOn/OFF will send SMS to authorized phone numbers;
7. Inbuilt MCU monitoring the DC input Voltagevalue, measure range is 9-24VDC, no need additional sensor to save cost;
8. Timer Report—Can setup every x hoursautomatically send its status/Value to the authorized numbers;
9. Support remotely read historic data viaSMS;
10. Rechargeable Backup Battery inside can last8hours;
11. Secure- Using caller ID and password for identification, unknown callers are ignored;
12. Programmable by SMS Commands or APPs withpassword protection;
13. based on GSM Network, applied to manyapplications.
GSM 3G Temperature alarm refrigerator thermometer RTU5023






