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EJ-B Series Personal Balance

EJ-B Series Personal Balance

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  • EJ-B Series Personal Balance
  • EJ-B Series Personal Balance
  • EJ-B Series Personal Balance
  • EJ-B Series Personal Balance
  • EJ-B Series Personal Balance

[Features]
· Broad product lineup with wide selection of interfaces (sold separately) and power supplies.
· For 1 mg scale minute weighing to a maximum 6.1 kg large capacity weighing.
· Choose the optimal model depending on application.
· 12 models with capacities ranging from 120 g to 6,100 g, and minimum displays ranging from 1 mg to 0.1 g.
· Choose an interface (sold separately) that suits your objectives.
· Can use either the included AC adapter, or dry cell batteries (size AA × 4, sold separately).
· Comparator display function that is convenient for sorting work (excluding EJ-123B/EJ-303B).
· Can switch between 3 displays: weight, quantity and percent.
· A convenient carrying case is available, sold separately (cannot be used for EJ-123B/EJ-303B).
· Can hold up to 4 units stacked. Great for storing multiple units (excluding EJ-123B/EJ-303B).
· Large display with 16 mm character height, backlight can be set ON or OFF.
· A plastic wind guard is available (sold separately) for high accuracy weighing (included with EJ-123B/EJ-303B).
· Uses a rust- and dirt-resistant SUS304 stainless steel weighing tray.
· EJ-123B/EJ-303B/EJ-120B/EJ-200B/EJ-300B/EJ-410B/EJ-610B use a round tray (ø110 mm).
· EJ-1500B/EJ-2000B/EJ-3000B/EJ-4100B/EJ-6100B use a square tray (127 mm × 140 mm).

PDF

Japanese Only

Product features and specifications

Basic specifications and features of the product 

  • A high-resolution electronic balance with a resolution of 1/12,000 to 1/60,000.
    It has functions of number of pcs. mode, percentage mode, and comparator.
  • Includes an LCD display screen with a backlight that allows it to be used in dark areas.
  • When using dry cell batteries as the power supply, you can use the balance cordlessly. 

Features

  • Raised countersunk head ø110 (diameter: 110 mm): EJ-123B/EJ-303B/EJ-120B/EJ-200B/EJ-300B/EJ-410B/EJ-610B.
  • Rectangular pan (127 × 140 mm): EJ-1500B/EJ-2000B/EJ-3000B/EJ-4100B/EJ-6100B.
  • The windshield is included as standard with EJ-123 B/EJ-303 B.
  • Up to 4 units can be stacked and stored, convenient for storing multiple units (excluding EJ-123 B/EJ-303 B).
  • A plastic windshield is sold separately for highly accurate weighing (included with EJ-123 B/EJ-303 B).
  • Selectable power supply: AC adapter included. Dry cell batteries (sold separately: AA × 4 pcs.) can also be used in fields and other places where power is not supplied. Battery operating time upon the use of alkaline dry cell batteries: approx. 80 hours (EJ-123 B/EJ-303 B, backlight off), approx. 70 hours (other models, backlight off).
  • Comparator display convenient for sorting work: Using the comparator (weight determination) function sorts the product "small; medium; large" and "small (LO); just (OK); large (HI)" (no comparator display function in EJ-123 B/EJ-303 B).
  • Large LCD with backlight for easy viewing: The backlight can be selected: always on, always off, and auto off (5, 10, 30, and 60 seconds), depending on the setting. Character height approx. 16 mm.
Personal balance, EJ-B series, large LCD with backlight

Large LCD with backlight for easy viewing

Certificate information

  • RoHS 10 substances: Not compatible
  • Applicable or not: Not applicable (In accordance with Japan's export control laws, the exporters must reconfirm the information themselves)
  • Battery: Not built-in or included. (*Sold separately, but powered by AA alkaline dry cell batteries × 4 pcs.)

Drawing

EJ-120B/EJ-200B/EJ-300B/EJ-410B/EJ-610B 

Personal balance EJ-B series, drawing 1

EJ-1500B/EJ-2000B/EJ-3000B/EJ-4100B/EJ-6100B

Personal balance EJ-B series, drawing 2

Selection support information

Variation

Part numberEJ-123BEJ-303BEJ-1202BEJ-3002BEJ-120BEJ-200BEJ-300B
Weighing capacity120 g310 g1,200 g3,100 g120 g210 g310 g
Minimum
Display
0.001 g0.01 g
Repeatability
(Standard Deviation)
0.003 g0.03 g0.01 g
Linearity±0.003 g±0.03 g±0.01 g±0.02 g 
Display
Mode
g (grams), pcs (number of pcs.), % (percentage),
ct (carat: for jewelry), mom (momme: for pearls)
g (grams), pcs. (number of pcs.), % (percent)
Weighing pan dimensions/
Weighing pan material
⌀110 mm
/SUS304
140 (W) mm × 127 (D) mm
/SUS304
⌀110 mm
/SUS304
External Dimensions/
Main Body Weight
190 (W) × 211 (D) × 131 (H) mm
/1,160 g
190 (W) × 208 (D) × 82 (H) mm
/1,490 g
190 (W) × 208 (D) × 59 (H) mm
/850 g
190 (W) × 208 (D) × 59 (H) mm
/870 g
Part numberEJ-410B EJ-610BEJ-1500BEJ-2000BEJ-3000B EJ-4100B EJ-6100B
Weighing capacity410 g610 g1,500 g2,100 g3,100 g4,100 g6,100 g
Minimum
Display
0.01 g0.1 g
Repeatability
(Standard Deviation)
0.01 g0.1 g
Linearity±0.03 g±0.1 g±0.2 g±0.3 g
Display
Mode
g (grams), pcs. (number of pcs.), % (percent)
Weighing pan dimensions/
Weighing pan material
⌀110 mm
/SUS304
140 (W) mm × 127 (D) mm
/SUS304
External Dimensions/
Main Body Weight
190 (W) × 208 (D) × 59 (H) mm
/870 g
190 (W) × 208 (D) × 59 (H) mm
/970 g
190 (W) × 208 (D) × 59 (H) mm
/1,070 g
Part numberEJ-123BEJ-303BEJ-1202BEJ-3002B
ImagePersonal Balance, EJ-B Series: EJ-123B (EJ123B-JA_4981046131308)Personal Balance, EJ-B Series: EJ-303B (EJ303B-JA_4981046131315)Personal Balance, EJ-B Series: EJ-1202B (EJ1202B-JA_4981046135221)Personal Balance, EJ-B Series: EJ-3002B (EJ3002B-JA_4981046135238)
JAN
code
4981046131308498104613131549810461352214981046135238
Part numberEJ-120BEJ-200BEJ-300BEJ-410B
ImagePersonal Balance, EJ-B Series: EJ-120B (EJ120B-JA_4981046131209)Personal Balance, EJ-B Series: EJ-200B (EJ200B-JA_4981046131216)Personal Balance, EJ-B Series: EJ-300B (EJ300B-JA_4981046131223)Personal Balance, EJ-B Series: EJ-410B (EJ410B-JA_4981046131230)
JAN
code
4981046131209498104613121649810461312234981046131230
Part number EJ-610BEJ-1500BEJ-2000B
ImagePersonal Balance, EJ-B Series: EJ-610B (EJ610B-JA_4981046131247)Personal Balance, EJ-B Series: EJ-1500B (EJ1500B-JA_4981046131254)Personal Balance, EJ-B Series: EJ-2000B (EJ2000B-JA_4981046131261)
JAN
code
498104613124749810461312544981046131261
Part numberEJ-3000BEJ-4100B EJ-6100B
ImagePersonal Balance, EJ-B Series: EJ-3000B (EJ3000B-JA_4981046131278)Personal Balance, EJ-B Series: EJ-4100B (EJ4100B-JA_4981046131285)Personal Balance, EJ-B Series: EJ-6100B (EJ6100B-JA_4981046131292)
JAN
code
498104613127849810461312854981046131292

Option

Product NameType nameJAN Code
USB interface "quick USB" commercially available USB cable AB type is required separatelyEJ-02JA * 14981046070379
RS-232C interfaceEJ-03JA * 14981046611442
Underfloor weighing bracket (for the EJ-3000 B/EJ-4100 B/EJ-6100 B)EJ-07JA4981046611459
Underfloor weighing bracket (for the EJ-1500 B/EJ-2000 B)EJ-08JA4981046611466
Windshield (Standard accessory for the EJ-123 B/EJ-303 B)EJ-11JA4981046611473
Carrying case (Cannot be used for the EJ-123 B/EJ-303 B/EJ-1202 B/EJ-3002 B)EJ-12JA4981046611480
Environment loggerAD-1687 * 24981046607605
Weighing data loggerAD-1688 * 24981046604437
Multifunction printerAD-8127 * 24981046149945
Ethernet converter (With data collection software Win-CT-Plus)AD-8526 * 24981046603010
External indicatorAD-8920A * 24981046603867
dedicated pan for measuring gems, precious metals, and minute parts (capacity: 120 ml, material: aluminum) 2 pcs. (silver)AX-CARATPAN-WJA4981046609395
dedicated pan for measuring gems, precious metals, and minute parts (capacity: 120 ml, material: aluminum) 2 pcs. (black)AX-CARATPAN-BJA4981046609418
AC adapter (standard accessory)AX-TB1624981046712835
AC adapterAX-TB2664981046618076

* 1) The EJ-02JA and EJ-03JA cannot be used at the same time.
* 2)The EJ-03JA (RS-232C) is required upon the use of the AD-1687, AD-1688, AD-8127, AD-8526, and AD-8920 A.

Cautions/prohibitions

Personal balance, EJ-B series, level

* Turn the foot packing washer to level the scales so that air bubbles enter the red circle of the level.

(1) Do not install the balance in a place where they will be exposed to dust, wind, vibration, severe temperature differences, condensation, or magnetism.
(2) Use a solid scale stand so that the balance is kept horizontal.
(3) Install it in a place away from direct sunlight.
(4) Do not install the balance near an air conditioner or heater.
(5) Use a stable AC power supply.
(6) Do not install it in a place with corrosive gas or flammable gas.
(7) Turn on the power supply 30 minutes before the start of use.

Frequently Asked Questions (FAQ)

What is the difference between the EJ-B series and the EK-i series?:

  • The EJ-B series can be used with dry cell batteries (AA × 4 pcs.).
  • Communication interface for the EJ-B is sold separately (optional), RS-232C interface (EJ-03JA), and quick USB interface (EJ-02JA).
  • The EK-i comes with an RS-232C interface as standard.
Part Number
EJ-1202B
EJ-1500B
EJ-2000B
EJ-3000B
EJ-3002B
EJ-4100B
EJ-6100B
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipCapacity
(g)
Minimum Display
(g)
Countable Minimum Single Weight
(g)
Measurement Plate Shape Measurement Plate Dimensions D
(mm)
Measurement Plate Dimensions (φ)
(mm)
Measurement Plate Dimensions W
(mm)
External dimension (W)
(mm)
External dimensions (D)
(mm)
External dimensions (H)
(mm)
JAN Code Wind guard Maximum count value
(pcs.)
% Minimum Display
(%)
100% registered minimum mass
(g)

SGD 685.27

1 Piece(s) 11 Day(s) or more 1,200--Square Plate127---208-4981046135221NA120,0000.011

SGD 383.64

1 Piece(s) 8 Day(s) 1,5000.10.1Square Plate140-127190208594981046131254NA15,0000.110

SGD 396.22

1 Piece(s) 8 Day(s) 2,1000.10.1Square Plate140-127190208594981046131261NA21,0000.110

SGD 409.33

1 Piece(s) 8 Day(s) 3,1000.10.1Square Plate140-127190208594981046131278NA31,0000.110

SGD 709.49

1 Piece(s) 11 Day(s) or more 3,100--Square Plate127---208594981046135238NA310,0000.011

SGD 434.48

1 Piece(s) 8 Day(s) 4,1000.10.1Square Plate140-127190208594981046131285NA41,0000.110

SGD 535.08

1 Piece(s) 8 Day(s) 6,1000.10.1Square Plate140-127190208594981046131292NA61,0000.110

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Basic Information

Main applications Weighing instruments Type Main Body Dry Cell Battery Compatible Available
Sampling quantity(pcs.) 5, 10, 25, 50 or 100 pcs. Materials Weighing tray: SUS304

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