EJ Series
Entry-Level Precision Balances
EJ-123/303 Price or readability? - BOTH!
PDFBrochure (PDF 2.0MB)
PDFManual (PDF 1.4MB)
interviews and testimonials
External Calibration LCD Backlight GLP Compliant Counting with ACAI Percentage Function Accumulation Function Auto Power OFF Normal Battery Software            
Quick USB RS-232C Interface Bluetooth                        
High resolution (1/120,000 - 1/310,000) load cell as the weight sensor
Extremely high sensitivity with a readability from 0.0002 g (EJ-54D2)
Breeze break with anti-static coating to ensure high precision and stability (for the EJ-54D2*1/123/303)
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*2
Easy-to-read LCD display with backlight (16 mm character height)
Multiple weighing units: g, oz, lb, ozt, ct, mom, dwt, gr, N, SG (density mode)*3
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 The breeze break of the EJ-54D2 is opened by sliding its upper surface to keep air turbulence to a minimum.
*2 Either EJ-03 or EJ-27 (+ AD-8541-PC) is required.
*3 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-54D2/123/303.
External Input / Output
Quick USB interface (optional)
RS-232C interface (optional)
Wireless communication interface for EJ (optional)
EJ-02 : Quick USB interface*4
EJ-03 : RS-232C interface*4
EJ-11 : Breeze break for EJ-123/303
PDFManual (PDF 254 KB)
EJ-13 : Density determination kit*5
EJ-27 : Bluetooth® communication interface for EJ*4*6
PDFManual (PDF 156 KB)

*4 EJ-02, EJ-03 and EJ-27 cannot be used at the same time.
*5 For the EJ-123/303 only
*6 To be paired with either the AD-8541-PC or AD-8931
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-8127 : Compact printer
AD-8526 : RS-232C/Ethernet (TCP/IP) converter
AD-8527 : Quick USB adapter
AD-8541-PC : Wireless communication interface for PC
AD-8920A : Remote display
AD-8922A : Remote controller
AD-8931 : Wireless remote display
AX-USB-9P : RS-232C/USB converter with cable
AX-KO2466-200 : RS-232C cable (9P-9P)
Model EJ-54D2 EJ-123 EJ-303 EJ-1202 EJ-3002
Capacity 22 g* 52 g* 120 g 310 g 1200 g 3100 g
Readability 0.0002 g* 0.001 g* 0.001 g 0.01 g
Repeatability (standard deviation) 0.0004 g 0.001 g 0.003 g 0.03 g
Linearity ±0.0006 g ±0.001 g ±0.003 g ±0.03 g
Weighing pan size Ø50 mm Ø110 mm 127 × 140 mm
* The EJ-54D2 is a dual range model having two weighing ranges with different capacities and readabilities. Each range extends from zero to its capacity.

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