We do not classify our products as medical devices. Our products are recommended for laboratory professional use only.

Precision Balance PLS 420-3F

Kern Precision Balance PLS 420-3F | Copens Scientific Malaysia

Kern Precision Balance PLS 420-3F

High-quality precision scale with comfortable graphic display and enormous weighing range

Product Description


Adjusting program (CAL)
Data interface RS-232
Piece counting
Recipe level B
Percentage determination
Weighing with tolerance range
Suspended weighing
Universal mains adapter
Strain gauge
Kern Precision Balance PLS 420-3F Display Panel | Copens Scientific Malaysia
  • Convenient recipe-weighing: with the recipe database, in which up to 99 recipes can be stored, each with up to 20 recipe ingredients with name and target value
  • Rapid and efficient operation thanks to the graphic display
  • Simple plain text user guidance in the display, following languages available: DE, EN, FR, IT, ES, PT
  • Dosage aid: High stability mode and other filter settings can be selected
  • Internal memory for complete recipes with name and target value of therecipe ingredients. User guidance through display
  • Draught shield standard for models with weighing plate size Ø 110 mm, weighing space Ø × H 150×60 mm
  • Protective working cover included with delivery
  • Adjusting program CAL, for quick setting of the balance accuracy, external test weights at an additional price


  • Hook for underfloor weighing to weigh hanging loads, only for PLS-F and PLJ-A, KERN PLJ-A02
  • Matrix needle printer, KERN 911-013
  • Thermal printer, KERN YKB-01N
Kern Precision Balance PLS 420-3F Weighing Plate | Copens Scientific Malaysia

ø 110 mm Weighting plate

Product Video

Technical Specification


Casing material plastic
Dimensions draft shield (Ø×H) 160 | 70
Dimensions housing (W×D×H) 210 mm x 345 mm x 100 mm
Level indicator yes
Material weighing plate stainless steel
Overall dimensions mounted (W×D×H) 210 mm x 340 mm x 160 mm
Revolving screw feet yes
Weighing space (Ø×H) 150 | 60
Weighing surface (d) 110 mm

Services (optional)

DAkkS Certificate 963-127


Display digit height (large) 15 mm
Display digit height (small) 4 mm

Power Supply

Input voltage 100 V – 240 V 50 / 60 Hz
Mains adapter Mains adapter external
Mains adapter/adapter included AUS US UK EURO CH


Capacity display yes
Counting function yes
Density determination function yes
Function to save totals yes
Percentage determination yes
Standby function yes
Time display yes
Vibration-free weighing (Animal weighing program) yes
Weighing with tolerance range yes


Brand KERN
Category Balances
Product Group Precision balance

Measuring system

Adjustment options External calibration
Eccentric loading at 1/3 [Max] 4 mg
Linearity 4 mg
Readability [d] 1 mg
Recommended adjusting weight 400 g (E2)
Repeatability 1 mg
Resolution 420000
Stabilisation time under laboratory conditions 3 s
Warm up time 4 h
Weighing capacity [Max] 420 g
Weighing system Strain gauge
Weighing units dwt ct tl (Tw) gn oz mg ozt tl (HK) g mo lb tl (Singap. Malays)

Environmental conditions

Maximum humidity 80 %
Maximum operating temperature 35 °C
Minimum ambient temperature 15 °C

Packaging & shipping

Dimensions packaging (W×D×H) 500 mm x 360 mm x 420 mm
Gross weight 4,400 kg
Net weight 3,200 kg


Counting resolution 84000
Mininum piece weight at piece counting (Laboratory) 5 mg
Mininum piece weight at piece counting (Normal) 50 mg
Reference weight yes