Compression Load Cells

FI-521 LED Load Cell Indicator

The FI-521 is a bi-directional load cell instrument accepting both positive and negative load cell signals, internally performing the analog to digital conversion at 80 times per second.

The FI-521 Indicator features an IP65 stainless steel enclosure for reliable performance in wet or dusty environments. Included swivel mounting bracket allows for wall or bench mounting.

Watertight connections include the AC power cable, 7-pin load cell quick disconnect cable connector, and three additional cable ports.

The instrument’s 6 key front panel enables all setup, configuration, and calibration procedures. FI-521’s calibration procedures include a multi-point calibration feature for correcting the performance of non-linear load cells.

The indicator has memory to store calibration information for up to three load cells.

Please contact us for Pricing and Availability..!!


  • 3 Cell Memory.
  • 80 Hz Peak Capture Rate.
  • 5 point curve linearization.
  • Built-in real time and date clock.
  • 3 Units of measure (pound-force, kilogram-force, Newtons).
  • 7-pin load cell quick disconnect (equipped).


Display 7 digits, 7-segment, 0.7" (17 mm) ultra-bright LEDs with 14 annunciators
Max display range -999,999 to 999,999
Keypad 6 push buttons: select, cell, print, unit, zero, on/off
Serial Ports 2 ports, Full-duplex RS-232 and Full-duplex RS-232 or half-duplex RS485
Serial Output Select up to 14 additional data parameters
Analog Output 0 to 2.5VDC (≤ 2.5mA)
Remote Input Select, cell, print, unit, zero, off

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