Pickup available from Quicktest (WD18 8PH)
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Summary
Pocket size balance for gemstones.
Model: On Balance RT-100.
Weighs up to 100g and down to 0.01g. Suitable for weighing gold up to 100g (though it's a bit 'over the top' in sensitivity for just gold); good for gemstones (100 points = 1 carat, 5 carat = 1 gram...so this weighs down to the nearest 5 points).
To read an article about weighing and weighing machines click here.
This weighing machine is not approved for use in trade, it must not be used for buying and selling. For approved scales click here.
Features
- auto-off feature, will automatically switch off after 3 minutes of inactivity (you can change this to 1mn or 2mns, or disabled this feature completely).
- good-sized weighing platform for a pocket balance.
- sturdy construction, rubberised finish, comfortable to carry in the pocket
- clip-on lid (which can also be used as an extra weighing container), and in the lid is a summary of the instructions
- large-digit backlit display.
Technical
RESOLUTION / CAPACITY: 100g / 0.01g
Also switchable to the following:
- grams, metric. Today everyone weighs gold in grams. But some UK dealers still like the answer in ounces (Troy ounces).
- Ounce Troy, for weighing precious metals (the same ounce that was once used for weighing mail, not the same ounce used for weighing food)
- ounce (some say, 'English' ounce, correct term is 'Avoirdupois' ounce) for food
- carat (ct) for gemstones and diamonds, not to be confused with carat as gold purity).
- grains (gn), originally used for weighing gold (based on a grain of wheat), today used for weighing powder for ammunition or catalysts for adhesives
Click here for an online conversion program
OVERALL SIZE
With outer lid: 120 x 75 x 15mm
Without lid: same as above but only 22mm high
SIZE OF WEIGHING PLATFORM: 63 x 75mm
POWER: 2 x AAA batteries
CALIBRATION: 50g weight required for calibration (not included).
Click here for a summary of weights used for weighing gold and silver
Click herefor an online conversion program
Guarantee
This scale is guaranteed for 1 year
The guarantee is invalid if there is:
- obvious damage, e.g. dents, holes, cracked casing, weighing platform loose.
- signs of 'foreign material'. That's anything that should not be there, e.g. residues of herbs, chemicals, spilt tea, corrosion from leaking batteries.
CALIBRATION
Inaccurate readings can usually be fixed by calibrating the scale, this is something you can do yourself if you have a calibration weight. THIS IS NOT A FAULT, all electronic measuring devices need calibrating every now and again, see calibrating weighing machines. The weight required for this balance is 50g.
Legal
This weighing machine is not approved for use in trade and should not be used for buying and selling on a value-for-weight basis.
To see legal (approved for use in trade) balances click here.
QUESTIONS & ANSWERS
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