The Stratos 731-00186-00 is a transmitter component within the Stratos family of process analyzers, converting sensor signals into standardized outputs for control system integration. It measures pH, ORP, conductivity, and dissolved oxygen across liquid applications in industrial environments including chemical processing, power generation, and pharmaceutical manufacturing.
Technical Specifications
Measurement Parameters: pH, ORP, Conductivity, Oxygen
Power Supply:
• Universal: 20–60 VDC / 80–253 VAC
• Single phase: 24 VDC to 230 VAC
• FISCO intrinsically safe: ≤17.5 V (linear characteristic), ≤26 V (minimum supply voltage), 9 V (maximum supply voltage)
Electrical Characteristics:
• Current consumption: <20 mA
• Maximum fault current: 20.4 mA
Display:
• 4.3" color backlit TFT display
• 2-color widescreen backlit option (white measuring / red alarm)
• NE 107 status message color-coded fields
Operating Temperature:
• Standard: −20 to +65 °C
• ATEX T4 hazardous areas: −20 to +65 °C
• ATEX T6 hazardous areas: −20 to +50 °C
• Dust hazardous areas: −20 to +65 °C
– Key Features
• Analog (4–20 mA, HART) and digital outputs (EtherNet/IP, PROFINET, PROFIBUS DP)
• SensoFace monitoring: sensor life indicator, zero-point, slope, service life tracking
• NAMUR NE 107 compliant diagnostics
• 100-entry logbook for audit trail and data recording
• USB memory card support for firmware updates
• Icon-based menu with Favorites quick-access function
• Premium EPDM keypad
– Compatibility & Integration
• Analog sensors
• Digital Memosens sensors
• Other digital sensors (ISM protocol)
• BUS communication protocols
– Certifications
ATEX (KEMA 08 ATEX 0100): II 1G Ex ia IIC T6/T4 Ga, II 2(1)G Ex ib [ia Ga] IIC T6/T4 Gb, II 3(1)G Ex ic [ia Ga] IIC T6/T4 Gc, II 1D Ex ia IIIC T80°C Da
IECEx (IECEx KEM 08 0020): Equivalent classifications
EMC: EN 61326 Class B
