CWT5008- cold room temperature alarm
• Temperature rise/fall alert
• get feedback temperature value anytime
• Cold room or Refrigeration power failure alerts
1DI + 1DO + 4 DS18B20 temperature sensor inputs + sms alarm
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
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
1 digital inputs 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
·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
Specifications
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Parameter
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DC Power supply
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9-28V DC (Standard adapter: DC 12V/1.5A)
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Power consumption
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12V input Max. 150mA/Average 50mA
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Frequency range
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Dual-frequency 900/1800/850/1900Mhz
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SIM Card
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Supporting 3V SIM Card
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Antenna
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50 Ω SMA Antenna interface
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Serial
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RS232
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Temperature range
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-30°C ~ +70 °C
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Humidity range
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Relative humidity 95%
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Digital Input
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1 digital inputs(Dry contact)
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Output
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1 drivable relay outputs(open-collector outputs)
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Output drive voltage
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Equal to input DC voltage
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Output drive power
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Drive voltage ≤35V, drive current ≤500mA
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Temperature input
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4 DS18B20 inputs (temperature range -55°C ~ +125 °C )
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Exterior dimension
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95×63×25mm
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Weight
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256 g
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cold room temperature alarm Images
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