Intelligent programmable natural gas flow integrated controller

Analog quantity    thermocouple: standard thermocouple --- K, E              Resistance: standard thermo-resistance ---- Pt100             Current: 0∼10 mA, 4 mA∼20 mA etc. (input resistance≤250Ω)             Voltage: 0∼5 V, 1 V∼5 V, mV etc. (input impedance≥250 KΩ)Switch quantity           start, stop, cleanInput signal switch      temperature compensation: Pt 100, K, E, 0∼10 mA, 4∼20 mA, 0∼5 V, 1∼5V (can free switch)                                   Pressure compensation: 0∼10 mA, 4∼20 mA, 0∼5 V, 1∼5 V (can free switch)                                  Flow input: 0∼10 mA, 4∼20 mA, 0∼5 V, 1∼5 V (can free switch)

Analog quantity      DC 4∼20 mA (load resistance≤500Ω) DC 0∼10 mA (load resistance≤750Ω)                               DC 1∼5 V (load resistance≥250KΩ) DC 0∼5 V (load resistance≥250KΩ)Switch quantity     Relay control output ---- ON/OFF with return differenceContact capacity: AC 220V/3A; DC 24V/5A (resistive load)Communication mode         RS 232C, RS485                             Baud rate 300∼9600 bps (free set)Feed output         DC 24 V, load ≤30 mA

Measuring accuracy    ±0.2%FS or ±0.5%FSResolution            ±1 characterDisplay mode       Full Chinese big screen (with backlight) LCD liquid crystal display                            Display current date and time                            Display 6-digits (0∼999999) instantaneous flow value                            Display 11- digits (0∼99999999999) accumulate flow value                            Display 6- digits (-199999∼999999) temperature compensation value                            Display 6- digits (-199999∼999999) pressure compensation value                            Display 4- digits (-1999∼9999) flow (differential pressure, frequency) value                            Display 10- digits (0∼9999999999) super-compression factorControl mode       can select high/lower limit or high-higher/low-lower limit control, with normal open/close outputControl setting value     free set for control setting value and return difference value in the full rangeFixed-quantity control   can select flow fixed-quantity to control, LED output indicating                                     Can select flow quantitative process control, LED output indicatingCompensation mode     temperature pressure automatic compensationParameter setup          panel touch lightly keystroke digital set                                    Setting value of parameter is permanent retention after power failure                                    Cipher lock for setting value of parameterProtection mode          Flow accumulation remains more than 5 year after power off                                   Under-voltage of power source can be automatic reset                                   Abnormal work can be automatic reset