Precisa Balances 321 LX-Range

Series 321 LX Balances

Series 321 LX Analytical and Precision Balances

With the 321 series, Precisa is in today’s mindset: offering active, modern thinking professionals the enjoyment of using well designed even trendy products in their working environment. In combination with the excellent quality and easy-to-use interface it takes the new Precisa experience in weighing to the next level. Going beyond high performance and precision – Series 321 meets today’s and tomorrow’s user expectations regarding design, functionality and reliability of a modern weighing instrument. Swiss quality, a breathtaking look combined with latest technology make Series 321 the first choice for both laboratories and industrial weighing applications where ease-of-use, efficient measurements and reliable results are required.

The sophisticated user-interface utilizes a new softTOUCH technology for its control. Touch pads, illuminated only when a function is active, guide the user and allow fast and error-free operation. The super-bright blueLINE VFD display takes easy reading to a new level.

321 features easyCLEAN – the easy wipe-off balance and draft shield design. The unique concept of the new draft shield with 270° unobstructed view allows tool-free dismantling and assembling in seconds and can be easily cleaned in your dishwasher.

The balance comes as standard with RS232 and USB interfaces and connects to the wide variety of Precisa accessories and communication adapters.

  • Die-cast aluminium housing of the balance
  • blueLINE high contrast blue vacuum fluorescent display
  • As standard with fully automatic internal calibration system, programmable on time or temperature controlled (SCS)
  • Clock with date and time
  • Printout according GLP
  • USB device and RS232/V24 bi-directional interface as standard
  • PrecisaBUS for the different accessories
  • Electronic anti-theft code
  • IP65 protection against ingress of dust and water available
  • Updates via Internet
Integrated functions with potty operation and maximum functionality:
  • Variety of measurement units
  • Piece-counting
  • Percent weighing
  • Live Animal weighing
  • Dynamic weighing
  • Density determination
  • Plus/minus check weighing
  • Formulation, Weight by totalisation
  • Free units calculation
  • Statistics calculation and recorder function
  • Swiss made
    Swiss made
  • Vacuum fluorescent display
    Vacuum fluorescent display
  • Automatic calibration warning
    Automatic calibration warning
  • RS232 interface for PC / printer
    RS232 interface for PC / printer
  • USB device
    USB device
  • EU/OIML type approval
    EU/OIML type approval
  • Support IQ/OQ/PQ
    Support IQ/OQ/PQ
  • Anti-theft protection
    Anti-theft protection
  • Clock (printout GLP/GMP, auto-cal, etc.)
    Clock (printout GLP/GMP, auto-cal, etc.)
  • Below balance weighing
    Below balance weighing
  • Variety of measurement units
    Variety of measurement units
  • Percent weighing
    Percent weighing
  • Piece counting
    Piece counting
  • Animal weighing
    Animal weighing
  • Density determination
    Density determination
  • Check weighing
    Check weighing
  • Net total application: Add up summation
    Net total application: Add up summation
  • Free conversion Area conversion
    Free conversion Area conversion
  • Statistics
  • Recorder
  • Dynamic differential weighing (weighing on ship)
    Dynamic differential weighing (weighing on ship)
  • Automatic repeatability test
    Automatic repeatability test
Specific Accessories
  • Draft shield 321 LG, height 260mm
  • Glass draft shield for balances with 1 mg readability including cover
  • Hook for below-balance weighing port
  • Density kit, for 0.01mg and 0.1mg balances, container size: Ø = 75mm, h = 100mm
  • Density kit solids only (without glass body and hook), for 0.01mg and 0.1mg balances, container size: Ø = 75mm, h = 100mm
  • Glass body for density determination of liquids, V = 10cm3
  • Downholder for samples with ρ < 1g/cm3
  • Animal weighing bowl complete, for 0.01g, 0.1g and 1g balances
  • Dust cover for the whole balance, set of 20 pieces
  • Cable for using the balance as reference balance
  • External USP battery pack for an uninterruptible power supply
  • Power supply adapter with Euro plug for IP65-protected balances (80 V – 240 V)
  • Pedal for tare or print function
General Accessories
  • Printer CBM910 230V, incl. data cable and paper roll
  • Printer CBM910 115V, incl. data cable and paper roll
  • Paper roll for Printer CMB910
  • Ribbon for printer CMB910
  • Multiplexor for up to 7 balances of the series 165/320/321/360/490 for serial (RS232) data transmission to PC or printer (at least one balance has to be of the series 320/321)
  • Adapter RJ45 / DB9 f, (to PC)
  • Adapter RJ45 / DB25 m, (to printer)
  • Data cable DB9 m / RJ45, crossed, length 1.5m (from reference to counting balance)
  • Data cable DB9 m / DB9 f, length 1.5m, (to PC)
  • Data cable DB9 m / DB25 m, length 1.5m, (to printer)
  • USB cable A-B, length 1.5m
  • HID cable, RS232 / USB (x: 0=e, 1= d, 2=f)
  • UPS (uninterruptible power supply), external
  • Anti-theft device, mechanical
  • Bowl for diamonds (carat bowl)
Self-Calibration-System Integrated, fully automated self-calibrating system SCS including clock. Automatic calibration for temperature changes and time programmable
  • IP65 protection: protects against dust and splash water, not available for every model
  • IP65 protection including cable for an RS232 interface with DB9 female 1.5 m (PC): protects against dust and splash water, factory fitted, not available for every model
  • Preparation for calibration in accordance with EC / OIML, no calibration! Only for balances with EC / OIML type approval
  • Manufacturer‘s factory calibration in accordance with EC / OIML Only for balances with EC / OIML type approval and SCS
PrecisaBUS Accessories
  • Remote display, freestanding, with cable, length 1.5m
  • Remote display, mounted to the wall, with cable, length 3m
  • RS232 interface box for data transmission, DB25 f:
    - to PC, printer or bar code printer
    - from bar code reader (350-8856) or reference balance
  • Interface box, current loop, 20mA, passive
  • Analog output box, -10V .. +10V, resolution 10mV
  • Ethernet box, wired
  • Ethernet box, wireless
  • Signal lamp, indicator with 3 lamps; red, green and yellow
  • Horn for signal lamp
  • I/O box with 6 TTL inputs and 8 relay outputs
  • CCE bar code scanner BCS5040, DB25 m, to be connected by meanings of the RS232 interface 350-8506
SmartBox Applications
  • SmartBox Counting
  • SmartBox FPVO (finished goods packing control)
  • CCE bar code scanner BCS5040, RJ45, to be connected by meanings of channel 1 or 2 of the SmartBox


Models: Capacity: Readability:
LX 120A 120 g 0.1 mg
LX 220A 220 g 0.1 mg
LX 320A 320 g 0.1 mg
LX 320M 320 g 1 mg
LX 620M 620 g 1 mg
LX 920M 920 g 1 mg
LX 1220M 1220 g 1 mg
LX 620C 620 g 0.01 g
LX 1200C 1200 g 0.01 g
LX 2200C 2200 g 0.01 g
LX 4200C 4200 g 0.01 g
LX 6200C 6200 g 0.01 g
LX 3200D 3200 g 0.1 g
LX 6200D 6200 g 0.1 g
LX 10200D 10200 g 0.1 g
LX 10200G 10200 g 1 g

Service Functions

  • Programmable Service Messages
  • Easy self test by a simple key stroke
  • Automatic Reproducibility Test (ART)
Software & Files Downloads

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