EJ Series
Compact Precision Balances
EJ-123/303 Price or readability? - BOTH!
PDFBrochure (PDF 1.17MB)
PDFManual (PDF1.13MB)
interviews and testimonials
External Calibration LCD Backlight GLP CompliantCounting with ACAI Percentage Function Accumulation Function Auto Power OFF Normal Battery Software            
Quick USB RS-232C Interface                          
High resolution (1/120,000 - 1/310,000) load cell as the weight sensor
Breeze break with anti-static coating to ensure high precision and stability (for the EJ-123/303)
Adjustable response characteristics depending on the degree of drafts and vibrations at the location
Hygienic and chemically resistant stainless steel (SUS304) weighing pan
GLP/GMP/GCP/ISO compliant output*1
Easy-to-read LCD display with backlight (16 mm character height)
Multiple weighing units: g, oz, lb, ozt, ct, mom, dwt, gr, N, SG (specific gravity)*2
Counting mode with Automatic Counting Accuracy Improvement (ACAI) function
Percent mode function
Display hold function
Accumulation (M+) function
Auto power OFF function
Automatic density calculation using the optional density determination kit (EJ-13) (EJ-123/303 only)
Operation with either AC adapter or four AA batteries
Security slot in the rear of the balance to accommodate an anti-theft lock

*1 EJ-03 (optional RS-232C interface) is required.
*2 Either t (tola) or tl (tael - HK general/Singapore, HK jewelry, or Taiwan) can be added upon request, and lb is not available with the EJ-123/303.
External Input / Output
RS-232C interface (optional)
Quick USB interface (optional)
EJ-02 : Quick USB interface*3
EJ-03 : RS-232C interface*3
EJ-13 : Density determination kit*4

*3 EJ-02 and EJ-03 cannot be used at the same time
*4 For the EJ-123/303 only
Density determination kit for the EJ seriesEJ-13  
AD-1683 : Static eliminator
AD-1684A : Electrostatic field meter
AD-1687 : Weighing environment logger
AD-1688 : Weighing data logger
AD-1691 : Weighing environment analyzer
AD-8118C : Universal printer
AD-8121B : Compact printer
AD-8526 : Serial/Ethernet converter
AD-8527 : Quick USB adapter
AD-8920A : Remote display
AD-8922A : Remote controller
AX-USB-9P : Serial / USB converter
AX-KO2466-200 : RS-232C cable (9P-9P)
Model EJ-123 EJ-303 EJ-1202 EJ-3002
Weighing capacity 120 g 310 g 1200 g 3100 g
Minimum weighing value 0.001 g 0.01 g
Counting mode Minimum unit weight*5 0.001 g 0.01 g
Number of samples 5, 10, 25, 50 or 100 pieces
Percent mode Minimum 100% display 0.01%
Minimum 100% weight 0.1 g 1 g
Weighing pan Ø110 mm 127 × 140 mm
*5 Factory setting

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