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Specifications

CWT5008
GSM Temperature SMS Alarm

CWT5008 GSM Temperature SMS Alarm has been designed as a cost effective, low power, self contained data logger. It combines 1 digital inputs, 1 drivable relay outputs, and 4 special temperature sensor inputs with embedded GSM module to provide an all in one instrument for data logging, remote data acquisition, alarm and control.
 
CWT508 comes with an easy to use configuration SW for setting up all parameters, including setting alarm levels or statest. The configuration can be done on a PC or from sms command.
 
1DI + 1DO + 4 DS18B20 temperature sensor inputs + sms alarm
 
very suitable for Heating Room, Cooling Room, Refrigerator Car, Food Storehouses, Weather Station, Greenhouse, Energy saving control of heating enterprises, agriculture, meteorology and other places or applications relevant to temperature measurement monitoring needs
Feature
Advance features
·Adopted highly integrated industrial CPU
·Reliable performance with built-in double watchdog
·Low maintenance, 24×7 operation
·Internal battery and providing power cut off alarm
·Automatically update internal clock via sms
·Supports simultaneous SMS and GPRS transmission
·Preset 10 phone numbers (can be distributed authority)
·Time stamped in alarm/recover sms or data packets
·Its internal 256KB memory logs more than 1000 records
·Flexible data logging interval (1 minute up to 24 hours)
 
1 digital input feature
·Upload status to server when inputs are triggered
·Upload inputs status to server on schedule
·Remote query inputs status by SMS
·Support SMS alarm
·Configurable for alarm and recover sms
 
1 relay drivable output feature
·Remote On/Off/Pulse output via SMS
·Remote query output status by SMS
·Can be activated by alarm
·Can be activated by call
·Can be activated on schedule?
 
4 temperature inputs feature
·DS18B20 special input, 4 channels
·Temperature rang: -55°C ~ +125°C
·Preset high and low level to alarm
·Current temperature can be query by sms
 
Specifications
 
Parameter
 
DC Power supply
9-28V DC (Standard adapter: DC 12V/1.5A)
Power consumption
12V input  Max. 150mA/Average 50mA
Frequency range
Dual-frequency 900/1800/850/1900Mhz
SIM Card
Supporting 3V SIM Card
Antenna
50 Ω SMA Antenna interface
Serial
RS232
Temperature range
-30°C ~ +70 °C
Humidity range
Relative humidity 95%
Digital Input
1 digital inputs(Dry contact)
Output
1 drivable relay outputs(open-collector outputs)
Output drive voltage
Equal to input DC voltage
Output drive power
Drive voltage ≤35V, drive current ≤500mA
Temperature input
4 DS18B20 inputs (temperature range -55°C ~ +125 °C )
Exterior dimension
95×63×25mm
Weight
256 g