Otis Instruments OI-7480-X-X Wired Monitor

Availability: In stock
Product Type8 or 12 Channel Wired Gas Monitor
Power TypeWired Powered
Operating Voltage12V to 35V DC or 120V AC
Current Draw- 300 mA Maximum (8-Channel)
- 325 mA Maximum (12-Channel)
Protection- Power Electromagnetic Interference (EMI) Filter
- 4-20 mA Surge Suppression
- RS-485 and RS-232 Surge Suppression
Display Screen160x104 Resolution Graphical LCD Screen
Interface5 Push-Buttons (MENU, ADD, SUB, SCAN/HOLD, and RESET/ESC)
Tamb Temperature Range-40°C to +70°C
Wired (Analog) InputUp to 8 Wired 4-20 mA (Analog) Inputs (8-Channel)
Relays- 4 Dry-Contact Relays with 4 Amp Replaceable Fuses
- Fault Terminal
- Option to Disable Alarm Relays
- Latching and Non-Latching Relay Settings
- Individual Set Per Channel
Product Compatibility- Any Otis Wired Sensor (01-617, 01-6000, 01-6000K)
- 3rd Party Wired (Analog) Sensors
Digital (Output)RS-485 Modbus
Enclosure MaterialNEMA 4X Fiberglass Enclosure with Clear Window
Product Mounting- 4 Mounting Feet, 6 in. W x 12-1/4 in. T (included)
- Maximum Mounting Bolt/Screw Size of 5/16 in. (8mm) Diameter
Total Weight12.15 lbs.
Product Dimensions12 in. L x 10 in. W x 6 in. H (Max. Dimensions with Attachments)
Hardware Warranty1-Year, Limited
Part Number Formula01-7480-(Power) (Channels)


The Otis Instruments 01-7480 ProSafe 4x8 Controller is a versatile wired monitor. The OI-7480 comes standard with DC power and can be configured with AC power supply. Four relays can be individually set up to the full scale of the channel and may be set up to either latching or non-latching. Supports up to 8 or up to 12 individual 4-20 mA wired sensor assemblies that can monitor and display a variety of toxic gases, leading to safer working environment.


  • 8 or 12 Channel Wired Monitor That Supports Any 4-20 mA Wired Sensor
  • 12 to 35 VDC Operating Voltage with an Optional AC Power Supply
  • Operating Temperature Range of -40°C to +70°C
  • Graphical LCD with LED Backlight
  • 5 Push-Button Interface (ADD, MENU, SUB, SCAN/HOLD and RESET/ESC)
  • Output Options: Wet Contact DC Fault Terminal, Relay 4 Can Optionally Be Configured as a Fault Relay, RS-485 Modbus
  • 4 Individually Configurable Alarm Set-Points - Four Front Panel ALARM LED Indicators (Red); 4 Dry-Contact Relays (4 Amps Maximum per Relay)
  • NEMA 4X Standard Fiberglass Enclosure with Clear Window
  • 1-Year Limited Hardware Warranty
  • Status LEDs for Power and Fault - Multi-Color Status Light; Amber Fault LED for Indicating System Faults

​Please refer to datasheet for more information