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3-decimal Balance

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The AND EJ-303 has a capacity of 310g x 0.001g. The Newton series from AND offers a compact and reliable balance with a 5 years warranty at an affordable price. All models are with a standard plastic housing with a stainless steel weighing pan and levelling bubble.

The EJ-303 has standard functions usually found in balances costing twice as much:
~ Gravity correction
~ Accumulation function
~ GLP compliant output
~ LCD display with backlight
~ Percentage and counting
~ USB or RS-232 interface optional
~ Battery (4 x AA not included) or AC power
~ Full digital calibration
~ Underhook weighing optional
~ Specific Gravity function
~ Check-weighing capability
~ Fast - 1 second response time

$ 456.00 456.0 USD $ 456.00

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Terms and Conditions


Stock Number N1297
Model EJ-303 (310g x 0.001g)
Manufacturer AND (A&D)
Product Brochure
Warranty 5 YEAR MANUFACTURER'S WARRANTY

OPTIONAL ACCESSORIES AT ADDITIONAL COST:
EJ-02 USB Interface Connector (Uni)
EJ-02C USB Interface w Cable 5ft. (Uni)
EJ-03 RS-232 Interface
EJ-03C RS-232 Interface w Cable 6ft (9to9pin)
EJ-11 Breeze break (mg)
AX-KO2466-220 Cable
AX-USB-9P Serial to USB Adapter

Capacity 310 g
Elc CSA
Inside 4.3"diam round dished pan
Outside 7.5"W x 8.5"D x 2.5"H
Battery Info Battery or adaptor

EJ Newton Series Portable Balances

The EJ Newton Series delivers affordable precision weighing for students, researchers, and industrial users. These reliable portable balances offer milligram measurement capability with standard functions typically found in balances costing twice as much. Backed by A&D's industry-leading 5 year warranty, thousands of EJ Series balances operate in laboratories and production facilities worldwide.

Simple Operation

The EJ-303 and EJ-123 models make milligram measurements straightforward:

  • Plug-in and warm-up the balance
  • Level the balance by adjusting the feet
  • Start weighing

Applications

  • Industrial
  • Pharmacy
  • Education

Standard Features

  • Clear LCD display with 16 mm high characters and backlight
  • Gravity correction
  • Accumulation M+ Function
  • GLP/GMP/GCP/ISO Compliant
  • Auto Counting Accuracy Improvement ACAI
  • Adjustable response characteristics
  • Display Hold
  • 4 leveling feet
  • Security slot
  • Auto power-off function
  • 7 units-of-measure, %, counting and density (specific gravity) functions
  • STABLE, NET, and ZERO indicators
  • Level bubble

Display and Controls

  • PRINT key
  • SAMPLE key for easy parts counting
  • RE-ZERO key
  • ON:OFF key
  • UNITS key

Key Capabilities

  • Battery Operation
  • Piece Counting
  • Percent Weighing
  • Accumulation Function
  • External Calibration
  • GLP/GMP/ISO Compliant

Model Range

Model Capacity Readability
EJ-123 120 g 0.001 g
EJ-303 310 g 0.001 g
EJ-120 120 g 0.01 g
EJ-200 210 g 0.01 g
EJ-300 310 g 0.01 g
EJ-410 410 g 0.01 g
EJ-610 610 g 0.01 g
EJ-1202 1200 g 0.01 g
EJ-3002 3100 g 0.01 g
EJ-1500 1500 g 0.1 g
EJ-2000 2100 g 0.1 g
EJ-3000 3100 g 0.1 g
EJ-4100 4100 g 0.1 g
EJ-6100 6100 g 0.1 g

Technical Specifications

Specification EJ-123 EJ-303 EJ-120 to EJ-1202 EJ-3002 EJ-1500 to EJ-6100
Repeatability (Std. deviation) 0.003 g 0.003 g 0.01 g (EJ-120 to EJ-610), 0.03 g (EJ-1202) 0.03 g 0.1 g
Linearity ±0.003 g ±0.003 g ±0.01 g to ±0.03 g ±0.03 g ±0.1 g to ±0.2 g
Sensitivity drift ±20 ppm / °C (10°C-30°C / 50°F-86°F)
Display update 10 times per second
Operating temp. -10°C-30°C, less than 85% R.H. (non-condensing)
Power supply AC adapter (included) or 4 x "AA" size dry-cell batteries (Approximately 70 hours backlight off, alkaline batteries)

Counting and Percent Functions

Parameter 0.001 g Models 0.01 g Models 0.1 g Models
No. of samples 5, 10, 25, 50 or 100 pieces
Min. unit weight 0.001 g 0.01 g 0.1 g
Min. % display 0.01% 0.1%
Min. 100% weight 0.1 g 1 g 10 g

Physical Characteristics

Feature EJ-123/303 EJ-120 to EJ-610 EJ-1202 to EJ-6100
Weighing pan size 110 mm Ø 110 mm Ø 127 mm x 140 mm
Weight Approx. 1160 g Approx. 850 g Approx. 1490 g (EJ-1202/3002), Approx. 1100 g (others)
Pan material Stainless steel

Included Accessories

  • AC adapter
  • Draft shield standard with EJ-123 and EJ-303 (breeze break with anti-static coating)
  • Carrying case (all models except EJ-123/303, EJ-1202/3002)
  • Calibration switch cover (bottom)

Available Options

Option Code Description
EJ-02C USB interface with cable
EJ-03 RS-232C interface
EJ-07 Underhook for EJ-3000 to EJ-6100 (except for EJ-3002)
EJ-08 Underhook for EJ-1500, EJ-2000
EJ-11 Breeze break (Draft Shield)
EJ-12 Carrying case (except for EJ-123/EJ-303, EJ-1202/3002)
EJ-13 Density determination kit for EJ-120/EJ-200/EJ-300/EJ-410/EJ-610

Compatible Accessories

Part Number Description
TB:662 AC adapter 120V/220V (Replacement)
TB:164 AC adapter 240V (Round prongs)
AD-8127 Compact printer
AX-KO2466-220 Cable
AX-USB-9P Serial to USB Adapter

Units of Measure

N, g, oz, lb (select models), ozt (troy ounce), ct, dwt, GN

Calibration Weights (Factory Setting)

Model Calibration Weight
EJ-123 100 g
EJ-303 300 g
EJ-120 100 g
EJ-200 200 g
EJ-300 300 g
EJ-410 400 g
EJ-610 600 g
EJ-1202 1000 g
EJ-3002 3000 g
EJ-1500 1500 g
EJ-2000 2000 g
EJ-3000 3000 g
EJ-4100 4000 g
EJ-6100 6000 g

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