EJ Newton Series Portable Balances
The EJ Newton Series offers affordable precision weighing for students, researchers, and industrial users requiring milligram measurements. These portable balances deliver standard functions typically found in instruments costing twice as much, backed by A&D's industry-leading 5 year warranty.
Applications
- Industrial
- Pharmacy
- Education
Available Models
| Model |
Capacity |
Readability |
| EJ-123 |
120 g |
0.001 g |
| EJ-303 |
310 g |
0.001 g |
| EJ-120 |
120 g |
0.01 g |
| EJ-200 |
210 g |
0.01 g |
| EJ-300 |
310 g |
0.01 g |
| EJ-410 |
410 g |
0.01 g |
| EJ-610 |
610 g |
0.01 g |
| EJ-1202 |
1200 g |
0.01 g |
| EJ-3002 |
3100 g |
0.01 g |
| EJ-1500 |
1500 g |
0.1 g |
| EJ-2000 |
2100 g |
0.1 g |
| EJ-3000 |
3100 g |
0.1 g |
| EJ-4100 |
4100 g |
0.1 g |
| EJ-6100 |
6100 g |
0.1 g |
Key Features and Functions
- GLP/GMP/GCP/ISO Compliant
- Battery Operation
- Piece Counting
- Percent Weighing
- Accumulation Function
- External Calibration
- Gravity correction
- Accumulation M+ Function
- Auto Counting Accuracy Improvement ACAI
- Adjustable response characteristics
- Display Hold
- Auto power-off function
Display and Interface
The clear LCD display features 16 mm high characters with backlight. The display updates 10 times per second and includes STABLE, NET, and ZERO indicators. Multiple operation keys provide easy access to PRINT, SAMPLE, RE-ZERO, ON:OFF, and UNITS functions. Seven units-of-measure are available, along with percentage, counting, and density (specific gravity) functions.
Construction Features
- 110 mm round weighing pan for models EJ-610 and below
- 127 x 140 mm stainless steel weighing pan for EJ-1200 to EJ-6100
- 4 leveling feet
- Level bubble
- Calibration switch cover (bottom)
- Security slot
- Draft shield standard on EJ-123 and EJ-303
Technical Specifications
| Parameter |
EJ-123 |
EJ-303 |
EJ-120/200/300/410/610 |
EJ-1202/3002 |
EJ-1500/2000/3000/4100/6100 |
| Repeatability (Std. deviation) |
0.003 g |
0.003 g |
0.01 g |
0.03 g |
0.1 g |
| Sensitivity drift |
±20 ppm / °C (10°C-30°C / 50°F-86°F) |
| Operating temp. |
-10°C-30°C, less than 85% R.H. (non-condensing) |
| Display update |
10 times per second |
| Power supply |
AC adapter (included) or 4 x "AA" size dry-cell batteries (Approximately 70 hours backlight off, alkaline batteries) |
Linearity
| Model |
Linearity |
| EJ-123, EJ-303 |
±0.003 g |
| EJ-120, EJ-200 |
±0.01 g |
| EJ-300, EJ-410, EJ-610 |
±0.02 g |
| EJ-1202, EJ-3002 |
±0.03 g |
| EJ-1500, EJ-2000 |
±0.1 g |
| EJ-3000, EJ-4100, EJ-6100 |
±0.2 g |
Counting Function
| Parameter |
0.001 g Models |
0.01 g Models |
0.1 g Models |
| No. of samples |
5, 10, 25, 50 or 100 pieces |
| Min. unit weight |
0.001 g |
0.01 g |
0.1 g |
| Min. % display |
0.01% |
0.1% |
| Min. 100% weight |
0.1 g |
1 g |
10 g |
Physical Specifications
| Model |
Weight |
Weighing Pan Size |
| EJ-123, EJ-303 |
Approx. 1160 g |
110 mm Ø |
| EJ-120 to EJ-610 |
Approx. 850 g |
110 mm Ø |
| EJ-1202, EJ-3002 |
Approx. 1490 g |
127 mm x 140 mm |
| EJ-1500 to EJ-6100 |
Approx. 1100 g |
127 mm x 140 mm |
Calibration Weights (Factory Setting)
| Model |
Calibration Weight |
| EJ-123 |
100 g |
| EJ-303 |
300 g |
| EJ-120 |
100 g |
| EJ-200 |
200 g |
| EJ-300 |
300 g |
| EJ-410 |
400 g |
| EJ-610 |
600 g |
| EJ-1202 |
1000 g |
| EJ-3002 |
3000 g |
| EJ-1500 |
1500 g |
| EJ-2000 |
2000 g |
| EJ-3000 |
3000 g |
| EJ-4100 |
4000 g |
| EJ-6100 |
6000 g |
Optional Accessories
| Option Code |
Description |
| EJ-02C |
USB interface with cable |
| EJ-03 |
RS-232C interface |
| EJ-07 |
Underhook for EJ-3000 to EJ-6100 (except for EJ-3002) |
| EJ-08 |
Underhook for EJ-1500, EJ-2000 |
| EJ-11 |
Breeze break (Draft Shield) |
| EJ-12 |
Carrying case (except for EJ-123/EJ-303, EJ-1202/3002) |
| EJ-13 |
Density determination kit for EJ-120/EJ-200/EJ-300/EJ-410/EJ-610 |
| TB:662 |
AC adapter 120V/220V (Replacement) |
| TB:164 |
AC adapter 240V (Round prongs) |
| AD-8127 |
Compact printer |
| AX-KO2466-220 |
Cable |
| AX-USB-9P |
Serial to USB Adapter |
