A&D EJ-303 Precision Compact Lab Balance,310 X 0.001g Jewelry Scale

Description

A&D EJ-303 - Precision Balance
The EJ-303 extends the milligram precision capacity of the EJ series of compact balances from A&D. Backed by the same 5 year warranty, the EJ-303 features a 310 gram capacity with a readability of ±1 mg. This compact balance is great for the classroom, hobbyists and people who need milligram resolution at an affordable price. The EJ series from A&D are known for their speed, stability of reading and day in / day out performance. A&D prides itself on quality and is the reason why they back this up with an industry leading 5 year warranty. Standard features include a large backlight LCD display, parts counting mode, GLP output, accumulation function, automatic external calibration (requires appropriate calibration weight), gravity correction setting, 4 leveling feet, level bubble, drafthield and AC power (included).
Available options  RS-232 or USB interface, and a handy carrying case.
Special Features:
Battery Operated (4 AA)
Large Easy to Read Backlit LCD Display
Standard AC Adaptor
GLP Output
Comparator Mode Display
Available above balance density determination kit
Counting mode, percentage weighing mode, specific gravity function
Anti-Theft Device Option
Carry Case Option
Full digital calibration
5 Year Warranty!
Specifications:
A&D - EJ-303
Capacity
310 g
Readability
0.001 g
Pan Size
4.3" dia
Capacity x Resolution
Ounces (oz) 10.9349 x 0.0001
Troy OUnces (ozt) 9.9667 x 0.0001
Carats (ct) 1550.00 x 0.005
Pennyweights (dwt) 199.335 x 0.001
Grains (GN) 4784.04 x 0.02
Minimum Display "d"
0.001 g
Repeatability (Std. Deviation)
0.003 g
Linearity
±0.003 g
Sensitivity Drift
± 20 ppm / 10°C (10°C -30°C / 50°F - 86°F)
No. of Samples
5,10,25,50 or 100 pieces
Maximum Count
310,000 pcs
Minimum Unit Weight
0.001 g
Minimum % Display
0.01%
Minimum 100% Weight
0.1 g
Display Update
10 times per second
Units
Gram (g),Ounce (oz),Ounce Troy (ozt),Carat (ct),Pennyweight (dwt), Grain (GN),Momme (mom),Tael (tl),Tola
Display
7 segment LCD disoplay with backlight
(Character height 16mm)
Power Source
AC Adaptor (included) or 4 x "AA" size dry-cell batteries
Battery Operating Time
80 hrs w. backlight OFF on alkaline batteries
Operating Temperature
10°C - 30°C / 50°F - 86°F less than 85% R.H. (non-condensing)
Scale Dimensions
8.5" x 7" x 2.25" / 216 x 178 x 57 mm
Scale Weight
approx 2.6 lbs
Calibration Weight (Factory Setting)
300 g