Product Short Description
Product Brief Introduction
Field-mountable industrial flow computer engineered for custody transfer measurement of natural gas, liquefied petroleum gas, steam and liquid hydrocarbons; integrates differential pressure, temperature and pressure compensation algorithms for high-accuracy volumetric and mass flow calculation, fully compliant with AGA3, AGA7, AGA8, API MPMS international custody transfer standards.
Description
Technical Specifications
- Core Processing Unit: 32-bit industrial ARM real-time processor
- Analog Input Channels: 4 × 4–20 mA isolated inputs (DP, temperature, static pressure)
- Digital Communication Ports: RS485 Modbus RTU, HART, Ethernet TCP/IP, USB service port
- Pulse Input Frequency Range: 0 Hz to 10 kHz turbine/pulse flowmeter signal support
- Accuracy Class: ±0.05% full scale flow calculation accuracy
- Data Logging Capacity: 12 months 1-minute interval historical flow archive storage
- Operating Supply Voltage: 12–24 V DC industrial power
- Ambient Operating Temperature: -40 °C to +70 °C
- Hazardous Area Certification: ATEX II 1G Ex ia IIC T6, IECEx, CSA Class 1 Division 1
- Protection Enclosure Rating: IP67 field mounting housing
Functional Features
- Native AGA8 Detail 2 natural gas supercompressibility correction algorithm
- Real-time mass flow, standard volumetric flow, energy flow and totalized flow dual display
- Bi-directional flow metering support for bidirectional pipeline custody transfer
- Built-in event log recording alarm, power cycle, parameter modification and calibration records
- Local 4-line backlit LCD operator interface with tactile membrane keypad
- Automatic temperature and static pressure compensation for DP orifice meter runs
- Remote configuration, real-time data polling and firmware upgrade via Ethernet
Material Composition
- Field Enclosure: Cast aluminum alloy with epoxy anti-corrosion coating
- Internal Circuit Board Substrate: FR4 high-temperature flame retardant PCB
- Display Window: Tempered scratch-resistant borosilicate glass
- Terminal Block Insulator: PBT UL94-V0 flame retardant plastic
- Sealing Gaskets: EPDM high temperature resistant rubber
Structural Characteristics
- Split two-piece enclosure: upper display electronics compartment, lower wiring terminal compartment
- Wall and pipe mounting dual bracket integrated on enclosure base
- Isolated internal wiring chambers separating power, analog and communication circuits
- Hermetic sealing design eliminating moisture and hazardous gas penetration
Working Principle
S600+ acquires real-time differential pressure, process temperature and line static pressure signals from field transmitters via analog inputs. Onboard processor executes standardized gas thermodynamic correction algorithms to compensate raw differential pressure flow values for fluid density changes caused by pressure and temperature fluctuations. Unit continuously accumulates total flow volumes and logs all measurement, alarm and configuration data to non-volatile flash memory; processed flow data is output via analog or digital communication to SCADA host systems.
Advantage Highlights
- Custody transfer grade accuracy certified for fiscal metering commercial gas pipelines
- Intrinsically safe design permits direct installation inside Zone 0 hazardous gas environments
- Long-term on-board data logging eliminates external data recorder hardware requirements
- Multi-protocol communication eliminates signal conversion auxiliary equipment
- Wide low-temperature operational range suitable for outdoor pipeline stations in cold climate regions
Applicable Industries
Natural gas transmission pipelines, LPG storage terminals, refinery process metering, city gas distribution networks, steam power plant fiscal flow measurement, petrochemical liquid custody transfer
Installation Requirements
- Mount unit vertically with LCD display facing operator access direction
- Maintain minimum 150 mm clearance below enclosure for wiring cable routing
- Use shielded twisted pair cable for all analog signal wiring; cable shield single-point grounded at control room end
- Mount surge protection devices on all field signal and power cables before unit terminals
- Ground enclosure to facility safety earth bus with minimum 4 mm² copper ground wire
Usage Precautions
- Calibrate analog input channels annually for custody transfer metering applications
- Do not open enclosure lid in classified hazardous explosive atmospheres
- Avoid direct contact between enclosure and hot pipeline surfaces exceeding 70 °C
- Store configuration parameter backup file externally before firmware upgrades
- Prevent mechanical impact damage to LCD glass window during field maintenance
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