Kern EWJ Precision Scales
37286
Kern EWJ Precision Scales
37286
Automatic internal calibration for reliable laboratory accuracy
The Kern EWJ series offers high-accuracy precision balances equipped with automatic internal calibration, ensuring stable results regardless of ambient conditions. Ideal for laboratories and industrial environments, EWJ balances combine performance, ease of use, and modern connectivity features including optional Bluetooth and USB interfaces.
With capacities ranging from 300 g to 6000 g and readabilities down to 0.001 g, these balances support advanced applications such as weighing within tolerance ranges, counting, and percentage calculations. Compact design, intuitive controls, and durable construction make the EWJ series a reliable choice for daily precision work.
Key Features
- Internal automatic adjustment: Time-controlled every 2 hours for consistent precision
- Advanced functions: Includes tolerance checking, piece counting, percent weighing, and bargraph capacity indicator
- Connectivity: USB interface standard (except SM models), optional Bluetooth for wireless data transfer
- Display: Large backlit LCD, 21 mm digit height
- Draught shield: Included for models with smaller weighing pans (A, B)
- Verification options: Models with "M" suffix are suitable for legal-for-trade use under NAWI 2014/31/EU
Model Comparison
| Model | Capacity (g) | Readability (g) | Verification Value (g) | Linearity (g) | Pan Size | Calibration | Verification |
|---|---|---|---|---|---|---|---|
| EWJ 300-3H | 300 | 0.001 | – | ±0.005 | Ø 80 mm (A) | Internal | No |
| EWJ 300-3 | 300 | 0.001 | – | ±0.005 | Ø 80 mm (A) | Internal | No |
| EWJ 600-3 | 600 | 0.001 | – | ±0.005 | Ø 120 mm (B) | Internal | No |
| EWJ 3000-2 | 3000 | 0.01 | – | ±0.05 | Ø 135 mm (C) | Internal | No |
| EWJ 6000-2 | 6000 | 0.01 | – | ±0.05 | 155 × 145 mm (D) | Internal | No |
| EWJ 600-2M | 600 | 0.01 | 0.1 | ±0.03 | Ø 120 mm (B) | Internal | Yes |
| EWJ 6000-1M | 6000 | 0.1 | 1 | ±0.3 | 155 × 145 mm (D) | Internal | Yes |
| EWJ 600-2SM | 600 | 0.01 | 0.1 | ±0.03 | Ø 120 mm (B) | Internal | Yes (no data output) |
| EWJ 6000-1SM | 6000 | 0.1 | 1 | ±0.3 | 155 × 145 mm (D) | Internal | Yes (no data output) |
Additional Information
- Calibration types: All EWJ models are equipped with automatic internal calibration (time-based every 2 hours)
- Verification: Models with "M" are legal-for-trade; “SM” variants are verification-capable but lack communication interfaces
- Draught shield: Included as standard on models with pan sizes A and B
- Accessories: Includes protective cover, optional Bluetooth, and BalanceConnection software for Excel integration