EJ-123 Portable Precision Balance
Compact and Affordable Precision for Laboratory and Field Use
The EJ-123 is a compact, high-resolution precision balance designed for users who need 0.001 g readability in a portable and cost-effective format. With a capacity of 120 g, this model is perfect for laboratory experiments, formulation work, educational environments, and on-the-go weighing applications where both accuracy and mobility are essential.
Despite its small footprint, the EJ-123 features advanced performance, including external calibration, standard RS-232 interface, and multiple weighing modes for versatility. It combines durability with functionality, backed by AND’s proven sensor technology.
Key Features
High-Resolution Readability
Offers 0.001 g readability with a 120 g capacity, suitable for fine chemical measurements, sample prep, and precise dosing.Compact and Lightweight Design
Easy to transport or fit on small benchtops—ideal for field labs or classrooms with limited space.Multiple Weighing Units and Modes
Includes standard weighing, percentage, counting, and comparator functions for enhanced flexibility.External Calibration
Allows quick adjustment using certified test weights to ensure long-term accuracy.Bright, Easy-to-Read Display
Backlit LCD provides clear visibility in various lighting environments.RS-232 Interface
Built-in connectivity for data logging or printer integration (printer sold separately).Battery or AC Powered
Operates with either the included AC adapter or optional batteries for maximum portability.
Technical Specifications
| Specification | Detail |
|---|---|
| Model | EJ-123 |
| Capacity | 120 g |
| Readability | 0.001 g |
| Repeatability | ±0.002 g |
| Linearity | ±0.003 g |
| Calibration | External |
| Weighing Pan Size | Ø110 mm / 4.3 inches |
| Display | Backlit LCD |
| Power Supply | AC adapter (included) or batteries (optional) |
| Interface | RS-232 |
| Weighing Modes | Standard, %, counting, comparator |
Recommended Applications
Laboratory and educational weighing
Jewelry and precious metal measurement
On-site field testing and sampling
Research, formulation, and quality control
Light industrial component weighing
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