Room Alert 4ER is one of AVTECH’s hardware solutions for “IT & Facilities Environment Monitoring, Alerting & More”. This IT room temperature monitor is designed specifically to assist with monitoring computer room temperature and environment monitoring in multiple locations up to hundreds of feet apart. This environment and temperautre alert is perfect for a single rack or small computer room. This model comes with two (2) Digital Temperature Sensors. Add a digital sensor and switch sensor to expand monitored conditions. This model also supports a Light Tower, Light Tower w/Audio or Relay Switch Sensor and is the only model to allow this without using a Light Tower & Relay Adapter (LTA).

Key Features

  • Rack Mount Model
  • Internal Temperature
  • (2) External Digital Ports
  • (1) External Switch Channels
  • (1) Light Tower or Relay Port
  • GoToMyDevices PUSH
  • Web Interface & Device ManageR

Product Specifications

Product Name ROOM ALERT 4ER
Product Code 4er
Brand AVTECH Room Alert
ID Box Model / Rack Model / Wall Model RA4ER
ID Box Dimensions 1.25″ H x 2.25″ D x 4.56″ W
ID Box Weight 9 oz
ID Box Color Red
Rack Mounted Model Included
Rack Mounted Size (1U 19″) 1.75″ H x 3.75″ D x 19″ W
Rack Mounted Weight 1 lb 7 oz
Rack Mounted Color Red
Rack Mounting Kit Available Separately Yes, $35
Wall Mounting Kit Available Separately Included
Ceiling Mounting Kit Available Separately Yes, $14
Operating Temperature -40 to 185 F (-40 to 85 C)
Operating Relative Humidity (Non-Condensing) 5% – 85% RH
Power Source 5 VDC 1A Adapter (Included)
Power Over Ethernet (PoE) No
Power Compatibility 110/240 VAC, 50/60 Hz, RoHS
Power On/Off Switch No
Built-In Uninterruptible Power Supply (UPS) No
Mini UPS (MUPS) Compatible, Upgrade Cost Yes, $95 Upgrade
MUPS Status Indicator (Red Battery / Green AC) No
PoE, WLAN, GSM Activity Indicators (LED) No, No, No
International Power Adapter Provided Specific For Destination Country
Reset Button (Restore To Default Settings) Yes, 1 Port
0-5V Analog Sensor Input No
External Relay Outputs No
External Light Tower Connection Port Yes
External Light Tower, Cable & Mounting Bracket No
Ethernet Port & Speed RJ-45, 10/100 Mbps BaseTX
Ethernet Link & Activity Indicator Yes
Ethernet Cable (Included) 10′, Red, Snagless
Web Server (Built-In)
Standalone Capability (No PC Required) Yes
Built-In Web Server Yes
Web Browser Interface Yes
Password Protected Yes, 3 Levels
Built-In Web Server Alert Methods Email, SMS, SNMP, Web
Built-In Web Server Alert Recipients Individuals, Groups, Hierarchies
Built-In Ping Capability Yes, 8 Devices
Graphic Sensor Status Displays Yes
Real-Time Digital Temperature Yes
Temperature Values Displayed Yes, Fahrenheit or Celsius
Temperature High / Low Watermarks Displayed Yes
Real-Time Digital Humidity Yes
Humidity Values Displayed Yes, % Relative Humidity
Humidity High / Low Watermarks Displayed Yes
Heat Index Calculated & Displayed Yes, Fahrenheit or Celsius
Real-Time Values In Alerts Yes
Easy Click Firmware Updates Yes
SNMP Enabled (Trap & Query) Yes
Compatible With SNMP Monitoring Applications Yes
Real-Time Logging Of Sensor Data Via… Device ManageR, & SNMP
Real-Time Sensor Data Feeds HTTP, SNMP, JSON, AJAX
MIB Files Available Yes, Download
Digital Sensors (Internal & External)
Digital Sensor Compatibility Temperature, Outdoor Temperature
Built-In Digital Sensors (Internal) Temperature
Digital Sensor Ports (External) 2 RJ-11
Digital Sensor Capacity (Total) 3
Digital Temperature Sensors (Included) 1 Internal, 1 External
Digital Temperature Sensor Range -67 to 257 F (-55 to 125 C)
Digital Temperature Sensor Accuracy + / – 0.125
Digital Humidity Sensors (Included) 0 External
Digital Humidity Sensor Range 5% to 95% RH
Digital Humidity Sensor Accuracy +/- 3.5%
Digital Sensor Cable Type & Standard Length RJ-11 Cable, 25′
Maximum Digital Sensor Cable Length Approximately 100′
Digital Sensor Alert Indicator (LED) No
Switch Sensors (Internal & External)
Switch Sensor Contact Sets (External) 1 On Front Side
Switch Sensor Capacity 1, Unlimited **
Built-In Switch Sensors (Internal) None
Power Sensor Optional
Mini UPS & Power Sensor Optional, $95 Upgrade
Flood Sensor Optional
Smoke Sensor Optional
IP Camera With Motion Sensor Optional
Air Flow Sensor Optional
Room Entry Sensor Optional
Panic Button Optional
Other AVTECH Sensors (See Website) Optional
Dry Contacts (On Other Sensors or Devices) Air Conditioner, UPS, Cooler, Etc.
Allows Multiple Sensors On Single Channel ** Yes, Via Chain or Spoke **
Switch Sensor Cable Type & Standard Length 2 Wire Cable, 25´
Maximum Switch Sensor Cable Length Approximately 900′
Switch Sensor Alert Indicator (LED) No