Kern EWJ Series Precision Balance with Automatic Internal Adjustment

  • $ 66095

    Product SKU: EWJ3003

  • Save $ 7500

Kern EWJ Precision Balance with Automatic Internal Adjustment

Buy Kern products from MSE Supplies at the best value. 

MSE Supplies offers EWJ Precision Balance from KERN & SOHN GmbH. They are high-quality precision balance with automatic internal adjustment, also with EC type approval.

Country of Origin: Made in Germany

Manufacturer:  KERN & SOHN GmbH

Main Features:

  • Easy to use: All primary functions have their own key on the keypad
  • Automatic internal adjustment time-controlled every 2 hours. Guarantees high degree of accuracy and makes the balance independent of its location
  • Capacity display: A bar lights up to show how much of the weighing range is still available
  • Draft shield standard on all models with [Max] = 600 g weighing space W×D×H 134 × 128 × 80 mm
  • Only EWJ 300-3H: Large glass draught shield with 3 sliding doors for easy access to the items being weighed, weighing space W×D×H 155 × 175 × 217 mm
  • RS-232 data interface, standard (not for EWJ-SM)
  • USB interface for transferring weighing data to the PC, printer, USB sticks etc. (not for EWJ-SM)
  • Protective working cover included with delivery
  • In order to make it easier for you to make the right choice of KERN balance, we have included a quality code for each model, which is made up of two quality features and will give you technical data and pictograms in addition to the product features. This will help you to make the decision on the perfect balance for your application.


  • Protective working cover
  • Rechargeable battery pack internal
  • RS-232/Bluetooth adapter
  • RS-232/Ethernet adapter
  • Protective dust cover
  • Mains adapter

For accessories, please contact us so we can help you choose appropriate products for your needs.

Technical Specifications:


EWJ 300-3

EWJ 300-3H

EWJ 600-2M

EWJ 600-2SM

EWJ 3000-2

EWJ 6000-1M

EWJ 6000-1SM


1 mg

10 mg

100 mg

Weighing range (max)

300 g

600 g

3000 g

6000 g


2 mg

10 mg

20 mg

100 mg


5 mg

30 mg

50 mg

300 mg

Stabilization time

3 sec.

Adjustment weight

Internal calibration (auto)

Warm-up time

2 hrs

Weighing units

ct, g, oz, mo, dwt, lb, ozt 


ct, g, oz, mo, dwt, lb, ozt 


Weighing surface (d)

80 mm

120 mm

135 mm

155 mm (W) x 145 mm (D)

Dimensions of the housing (W x D x H)

220 mm x 315 mm x 90 mm

220 mm x 340 mm x 321 mm

220 mm x 315 mm x 90 mm

220 mm x 315 mm x 105 mm

215 mm x 330 mm x 105 mm

Weighing space (W x D x H)

155 mm x 175 mm x 217 mm

134 mm x 128 mm x 80 mm

Net weight (kg)







Operating temperature

15°C ~ 35°C

15°C ~ 30°C

Operating Humidity 

80 % relative (not condensing)

Input voltage

 100 V – 240 V 50 / 60 Hz

 * For applications that require verification, please order verification at the same time

About KERN & SOHN GmbH: Founded in 1844 and manufactured the most accurate balances of its time. Kern's business became the core cell of the internationally famous, southern German precision balance manufacturing. With over 175 years of experience and the devotion to quality have enabled them to become specialists in the weighing field that stands for precision and reliability. Discover the KERN route to success: fast – competent – reliable – versatile!

MSE Supplies is an authorized distributor for KERN & SOHN GmbH.