Mettler Toledo JET Carat and Gold Legal for Trade Jewelry Scales
Gold balances are specialized weighing tools designed to provide accurate measurements of gold, white gold, silver, and other precious metals. These high-precision balances are essential for tasks such as jewelry appraisal, gold refining, and gold trading. Crafted with the highest quality materials and featuring advanced technology, balances from METTLER TOLEDO offer exceptional accuracy, reliability, and ease of use. With features like high precision, overload protection, easy-to-read displays, battery-powered options, and connectivity, our gold balances are the ideal choice for professionals in the gold industry.
Mettler Toledo JET Carat and Gold Legal for Trade Jewelry Scales
The Mettler Toledo JET Series represents their premier line of commercial, entry-to-mid tier legal-for-trade jewelry balances. Specifically split into two main application families—JET Carat balances for loose gemstones/diamonds and JET Gold scales for precious metal bulk buying, selling, and pawning—they bridge the gap between scientific laboratory precision and intense retail environment demands.
Core Technologies Shared Across the JET Line
No matter if you are looking at a milligram gold scale or a micro-precision carat balance, all JET models share a unified feature package designed for commercial uptime:
FACT (Fully Automatic Calibration Technology): The balance features internal testing weights. Instead of manually using calibration mass sets, the scale tracks room temperature shifts and self-calibrates automatically to keep the business legally compliant with Weights and Measures.
The Interface: Outfitted with a 4.5-inch color TFT touchscreen. It is purposely built with high-contrast elements so showroom staff can easily read numeric readouts under harsh, bright retail spotlights.
Connectivity Hub: Contains three standard ports built right into the back: one RS232, one USB Host, and one USB Device port. This allows a storefront to simultaneously plug in a customer-facing secondary display, a ticket/receipt printer, and an inventory PC.
Chassis Build: Features a heavy, solid metal base coupled with a die-cast aluminum housing. This gives the loadcell excellent stability so measurements don't drift if the counter is bumped.
Carat balances handle exceptionally light, high-value masses where a single stray breath or air draft can alter thousands of dollars in value.
Design Profile: Features a small, circular stainless steel pan enclosed by a tall glass draft shield with smooth-sliding top and side doors to seal off the weighing chamber.
Typical Resolution: Dual-range capability. They offer analytical precision down to 0.1 mg (0.0001 g) alongside their legal-for-trade minimum verification step of 1 mg (0.001 g).
Popular Models: JET503C/A (101 g capacity), JET1103C/A (220 g capacity), and JET1603C/A (320 g capacity).
Gold scales focus on larger capacities for jewelry pieces, gold scrap buy-backs, and casting inventory, offering larger physical pans for immediate bulk placement.
Design Profile: Open-pan configuration. Uses a wide square or circular stainless steel weighing platform, removing the draft shield restriction to allow oversized trays, bowls, or large gold bars.
Typical Resolution: Features readabilities balancing a wide scale length down to 0.01 g or 0.1 g.
Popular Models: JET303G/00 (320 g capacity), JET1002G/A (1002 g capacity), JET1003G/A (1200 g capacity), and JET6001G/A (up to 6200 g capacity for heavy casting).
Built-In Business Applications
Rather than just acting as a numeric reader, the JET firmware includes dedicated hotkey software profiles specialized for retail jewelry operations:
Toggle Unit / Dual-Unit View: The operator can display two weight units simultaneously on the touchscreen dashboard (for example, keeping Carats on top while showing Grams below). This avoids manual math errors in front of customers.
Density Determination: Paired with an under-balance weighing hook or accessory kit, the balance guides the operator through testing items in water to automatically compute specific gravity—crucial for verifying gold purity and detecting counterfeit pawn pieces.
Totalization: Keeps an ongoing ledger sum of individual items or diamond parcels weighed sequentially, providing a single consolidated final invoice total.
Specifications Carat Analytical 0.1 mg Balances
Model
JET503C/A
JET703C/A
JET1103C/A
JET1603C/A
Price
$2,487.00
$2,553.00
$2,630.25
$2,863.50
Capacity x Readability
505ct x 0.001ct 101 g x 0.1 mg
700ct x 0.001ct 140 g x 0.1 mg
1100ct x 0.001ct 220 g x 0.1 mg
1600ct x 0.001ct 320 g x 0.1 mg
Legal for Trade
NTEP #19-087A1 - Measurement Canada AM-6167
Class I
Class I
Class I
Class I
505ct x 0.01ct 101 g x 1 m
700ct x 0.01ct 140 g x 1 m
1100ct x 0.01ct 220 g x 1 m
1600ct x 0.01ct 320 g x 1 m
Repeatability (Typical)
0.08 mg
Minimum Weight (U=1%, k=2), typical
16 mg
Settling Time
2 seconds
Adjustment Type
Internal / FACT Fully Automatic ACT Fully automatic internal calibration keeps your balance precise across varying ambient operational temperatures.
User Interface
4.5-inch Color TFT Touchscreen
Weighing Pan Diameter
90 mm
Dimensions (HxWxD)
279 mm x 210 mm x 344 mm
Connectivity Ports
RS232, USB Device, USB Host
Specifications Gold Milligram 1 mg Balances
Model
JET303G/A
JET603G/A
JET1003G/A
Price
$2,226.00
$2,298.00
$2,189.25
Capacity x Readability
320 g x 0.001 g (1 mg)
620 g x 0.001 g (1 mg)
1002 g x 0.001 g (1 mg)
Legal for Trade
NTEP #19-087A1 - Measurement Canada AM-6167
Class II
Class II
Class I
320 g x 0.001 g
620 g x 0.01 g
1002 g x 0.01 g
Repeatability (Typical)
0.7 mg
Minimum Weight (U=1%, k=2), typical
140 mg
Settling Time
1.5 seconds
Adjustment Type
Internal / FACT Fully Automatic ACT Fully automatic internal calibration keeps your balance precise across varying ambient operational temperatures.
User Interface
4.5-inch Color TFT Touchscreen
Weighing Pan Diameter
Ø 120 mm
Dimensions (HxWxD)
289 mm x 210 mm x 319 mm
Connectivity Ports
RS232, USB Device, USB Host
Specifications Gold 0.01 g Balances
Model
JET1002G/A
JET2002G/A
JET3002G/A
JET4002G/A
JET6002G/A
JET12002G/A
JET6001G/A
Price
$2,103.75
$2,226.00
$2,315.25
$2,399.25
$2,494.50
$3,395.25
$2,114.25
Capacity x Readability
1200 g x 0.01 g
2200 g x 0.01 g
3200 g x 0.01 g
4200 g x 0.01 g
6200 g x 0.01 g
12000 g x 0.01 g
6200 g x 0.1 g
Legal for Trade
NTEP #19-087A1 - Measurement Canada AM-6167
Class II
Class II
Class II
Class II
Class II
Class II
Class II
1200 g x 0.1 g
2200 g x 0.1 g
3200 g x 0.1 g
4200 g x 0.1 g
6200 g x 0.1 g
12000 g x 0.1 g
6200 g x 1 g
Repeatability (Typical)
0.007 g
0.07 g
Minimum Weight (U=1%, k=2), typical
1.4 g
14 g
Settling Time
1 seconds
Adjustment Type
Internal / FACT Fully Automatic ACT Fully automatic internal calibration keeps your balance precise across varying ambient operational temperatures.
