EMD-485M Oxygen Transmitter Product Specification Sheet Configurable OEM Oxygen Transmitter, 6-wire, MODBUS RS485 ASCII Well Suited for OEM Installations Precision Fuel Cell Oxygen Sensor Technology Trace or Percent Configuration Measure Oxygen from 0.1ppm to 100% 4 - 20mA, 0 - 1V DC, 0 - 10V DC Outputs Bi-Directional RD485 MODBUS ASCII Updated Microprocessor Based Design Cost Effective, Compact & Low Maintenance Configurations: H3 Flow Through Sensor Housing Specifications: Oxygen Sensor User Selectable Ranges (Pre-Configured): 0 - 10ppm/100/1000ppm/1%/5%/10%/25%/100% Digital Push Buttons to Perform Local Span Cal Sensor Housings: H6 KF-40 or H3 Flow Through Graphical Display with Backlight Many additional customized options available Integral Span Pot to Adjust 4mA Offset Inert Glove Box Systems Nitrogen and O2 PSA Generators Laboratories & Universities Beverage Grade CO2 Monitoring Air Separation Plants & Many Others Accuracy: < 1% Full Scale Range* Calibration: 2 - 3 months or as needed Classification: General Purpose Dimensions (PCB): 3.25 x 2.00 inch Display: Optional Temperature: 0 - 50 deg C Temperature Compensation: Integral Output: 4 - 20mA, 0 - 1VDC, 0 - 10VDC Sensor Housing: Optional, H6 or H3 Flow Sensitivity: 0.5 - 5.0 SCFH Sensor Type: Precision Fuel Cell Warranty: 12 Months Sensor Warranty: 12 Months Electronics *Accuracy at constant conditions “Inquiry for Application Expertise” Designed, Tested, and Assembled in California, USA

Product Specifications Oxygen Transmitter: Oxygen Sensor Technology: The model EMD-485M oxygen transmitter combines a rugged electronic design with SSO2’s precision oxygen sensors. The result is a highly reliable and cost effective compact design with an easy-to-use user interface. The oxygen sensor used in the EMD-485M is based on the galvanic electrochemical fuel cell principal. All oxygen sensors are manufactured in house by Southland Sensing Ltd. under a strict quality program. The transmitter comes with a variety of options, which makes it configurable for a large array of applications....