AND Micro balance EJ-303

AND Micro Balance EJ-303 Precision Balance

Product Description

The AND Micro Balance EJ-303 is a compact, high-resolution milligram balance designed for precise weighing in laboratories, educational environments, fieldwork, and light industrial applications. With a maximum capacity of 310 g and fine 0.001 g readability, the EJ-303 delivers excellent accuracy in a portable and practical design.

Equipped with SG Weighing Technology, this balance ensures stable and repeatable results even in demanding conditions. The integrated draftshield minimizes the effects of air movement, making the EJ-303 especially suitable for weighing fine powders and lightweight samples. Its user-friendly operation, advanced weighing modes, and optional data connectivity make it a reliable solution for both stationary and mobile precision weighing tasks.

Key Features

• High-resolution weighing up to 310 g with 0.001 g readability

• Integrated draftshield to reduce airflow interference and improve accuracy

• Stable and repeatable performance with 0.003 g repeatability

• Precise measurement capability with ±0.003 g linearity

• Compact and portable design for benchtop or mobile use

• Fast stabilization time of approximately 5 seconds

• External calibration support for easy accuracy verification

• Flexible power options with AC adapter or battery operation

Weighing Functions

• Accumulation (M+) for totaling multiple measurements

• Parts counting with ACAI (Automatic Counting Accuracy Improvement)

• Percent weighing for formulation and comparative analysis

• Gravity acceleration adjustment for location-based accuracy

• Display hold function for convenient data recording

Connectivity Options

• RS-232C interface for printers and serial communication

• Optional USB interface for direct PC connection

• Optional LAN (Ethernet) interface compatible with WinCT-Plus software for networked data management

Applications

• Laboratory sample preparation and chemical analysis

• Educational training and scientific measurement practice

• Quality control and small parts weighing

• Field-based precision testing and mobile laboratories

• Data-logged weighing through PC or network systems

Technical Specifications

• Model: EJ-303

• Maximum capacity: 310 g

• Readability: 0.001 g

• Repeatability: 0.003 g

• Linearity: ±0.003 g

• Calibration method: External calibration using a 300 g weight

• Stabilization time: Approximately 5 seconds

• Weighing pan size: 110 mm diameter

• Draftshield: Included

• Product dimensions: 190 x 211 x 126 mm (7.48 x 8.31 x 4.3 inches)

• Power supply: AC adapter or battery operation

• Interfaces: RS-232C standard, optional USB or LAN

• Weighing modes: Accumulation (M+), ACAI, percent weighing, display hold, gravity adjustment

Conclusion

The AND Micro Balance EJ-303 is a dependable and portable milligram balance that combines fine readability, integrated draftshield protection, and versatile functionality. Its compact design, advanced weighing modes, and optional connectivity make it an excellent choice for laboratories, educational institutions, and professionals who require accurate, mobile, and high-resolution weighing performance.