Aalborg ZFM Series

Specification:

Multi-gas/Multi-range functionality up to 8 bar (currently for 6 gases)
Full scale covered flow ranges from 3.125 sml/min to 10 sl/min are available in seven models
Standard accuracy ± (0.5% RD + 0.2% FS) based on actual calibration
Universal 14-24 Vdc power supply input
Supports up to 46 Engineering Units (including User-defined)
Stores additional user- calibration table data for up to 10 gases
Two programmable Totalizers indicate total gas quantity
User-programmable Pulse Output (via SSR)
High and low gas flow Alarm limits with preset delay interval
One user-programmable solid-state relays with latch option
User-selectable analog 0-5 Vdc, 0-10 Vdc, or 4-20mA outputs
Internal conversion factors for up to 26 gases
Digital interface (RS-232 or RS-485) test/configuration port, optional Modbus RTU with Isolated RS-485 transceiver)
Multi-Drop capability of up to 247 units (RS-485 option)
Automatic sensor zero offset adjustment (via digital interface or local push button)
Extensive Self- diagnostic with status LED or OLED (optional) indication
Local 128 x 64 high contrast OLED (optional) graphic display with joystick control
Free, easy-to-use configuration and calibration software (RS-232/RS-485)

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