EJ Newton Series Portable Balances
The EJ Newton Series delivers affordable precision weighing for students, researchers, and industrial users seeking milligram measurements. These portable balances combine advanced functionality typically found in higher-priced instruments with the reliability and durability that has made thousands of EJ Series balances trusted fixtures in laboratories and production facilities worldwide. All models are backed by A&D's industry-leading 5 year warranty.
Simple Setup and Operation
The EJ-303 and EJ-123 milligram models make precision measurements straightforward:
- Plug-in and warm-up the balance
- Level the balance by adjusting the feet
- Start weighing
Advanced Features
- Gravity correction
- Accumulation M+ Function
- GLP/GMP/GCP/ISO Compliant
- Auto Counting Accuracy Improvement ACAI
- Adjustable response characteristics
- Display Hold
- Battery operation
- Piece counting
- Percent weighing
- External calibration
Design Highlights
- Clear LCD display with 16 mm high characters and backlight
- Display update: 10 times per second
- STABLE, NET, and ZERO indicators
- Breeze break (draft shield) with anti-static coating standard on EJ-123 and EJ-303
- 110 mm round pan for EJ-610 and below; 127 x 140 mm stainless steel weighing pan for EJ-1200 to EJ-6100
- 4 leveling feet with level bubble
- Security slot
- Calibration switch cover (bottom)
Application Areas
- 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 |
Technical Specifications
| Specification |
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 |
| Linearity |
±0.003 g |
±0.003 g |
±0.01 g to ±0.02 g |
±0.03 g |
±0.1 g to ±0.2 g |
| Sensitivity drift |
±20 ppm / °C (10°C-30°C / 50°F-86°F) |
| Display |
7 segment LCD display with backlight (Character height 16 mm) |
| Operating temp. |
-10°C-30°C, less than 85% R.H. (non-condensing) |
| Power supply |
AC adapter (included) or 4 x "AA" size dry-cell batteries (Approximately 70 hours backlight off, alkaline batteries) |
| Compliance |
GLP / GMP / GCP / ISO |
| Weight |
Approx. 1160 g |
Approx. 850 g |
Approx. 1490 g |
Approx. 1100 g |
Counting Function
| Parameter |
EJ-123/303 |
EJ-120/200/300/410/610/1202/3002 |
EJ-1500/2000/3000/4100/6100 |
| No. of samples |
5, 10, 25, 50 or 100 pieces |
| Min. unit weight |
0.001 g |
0.01 g |
0.1 g |
Percent Weighing
| Parameter |
EJ-123/303 |
EJ-120/200/300/410/610/1202/3002 |
EJ-1500/2000/3000/4100/6100 |
| Min. % display |
0.01% |
0.1% |
| Min. 100% weight |
0.1 g |
1 g |
10 g |
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 |
Available Options
| Option |
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 |
Accessories
| Part Number |
Description |
| 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 |
Units of Measure
N, g, oz, lb (select models), ozt (troy ounce), ct, dwt, GN
