4688 GasPlus-IR® Transmitter

The Model 4688-IR is a rugged, reliable solution for combustible gas or carbon dioxide gas detection. Designed with extensive user input, the instrument is extremely flexible, easy to use, and easy to maintain.

IR technology provides numerous advantages that may be benificial for your application’s conditions:

• Reduced maintenance (no span calibration required).
• No saturation from high gas concentrations
• No oxygen required for operation
• Continuous sensor fault monitoring
• Sensor lifetime not reduced by exposure to gas
• Rapid speed of response
• Minimal temperature and humidity effects

Features:

• Low Maintenance
• No span calibration required
• Zero adjustment a quick, non-intrusive procedure
• Many user adjustable parameters
• Rugged Design with stainless steel optics component protection
• Multiple Output Choices 4-20mA and RS/485 (Modbus protocol) outputs. Relays with user adjustable set/reset points, and time delays are available as an option.