Mettler Toledo's JB4002-G/A-F electronic gram scale features 4100 grams maximum weighing capacity and increments in 0.01 gram divisions.  This Mettler balance is legal for trade and offers a durable, die-cast aluminum construction and large weighing platform.  Additional balance features include percent weighing and piece counting modes.

NTEP approval is a vital requirement in most states for jewelers selling gold by weight.  Investigators from the Arizona Department of Weights and Measures spend several days every year at the Tucson Gem and Mineral Show, where they checked scales used by dealers who were selling items by weight.  At the 2006 Tucson Gem and Mineral Show they confiscated 145 scales that were being used illegally because they did not conform to NTEP standards.

Weights & Measures Inspectors require the accuracy of all the commercial weighing and measuring equipment used for serving consumers and businesses be Legal for Trade.  Some have a requirement saying a scale is suitable for its intended use if the minimum load which will be weighed on it is 50 measurement divisions or more.  A scale whose smallest division is 0.01 gram is suitable for minimum loads of 0.5 grams.  The Mettler Toledo JB4002-G/A-F fits the requirement since the balance increments in 0.01 gram divisions.

Mettler Toledo is a world renowned manufacturer of scales and balances.  Mettler Toledo spends time and money on getting their products NTEP approved so jewelers can sell items by weight and not worry about having their balances confiscated. Anyone working with gold, platinum, silver or rhodium needs accurate weighing results and can't afford to give away anything.  You can have complete confidence and precision weighing results with METTLER TOLEDO BALANCES.

When you buy a Mettler-Toledo JB4002-GA-F the balance features FACT (Fully Automatic Calibration Technology), which automatically initiates the internal adjustment of your balance whenever temperature changes risk affecting the accuracy of your weighing results.  With the vibration adapter, the balance can be adjusted to the weighing environment - for optimal weighing performance even in difficult environments.

Mettler Toledo JB4002GAF Gem Scale

Mettler Toledo JB4002-G/A-F Precision Gem Scale
Your Price	$1199.42
S&H via UPS Ground	$40.00
Capacity x Readability (g)	4100 g x 0.01 g
Capacity x Readability (kg)	4.1 kg x 0.00001 kg
Capacity x Readability (ct)	20500 ct x 0.1 ct
Capacity x Readability (lb)	9.04 lb x 0.00005 lb
Capacity x Readability (oz)	144.63 oz x 0.0005 oz
Capacity x Readability (ozt)	131.82 ozt x 0.0005 ozt
Capacity x Readability (dwt)	2636.5 dwt x 0.005 dwt
Primary Weigh Mode	Grams ONLY
Secondary Weigh Mode	Grams, Kilograms, Carats, Pounds, Ounces, Troy Ounces, Pennyweight ( Instructions for changing 2nd weigh unit )
Repeatability	0.01 g
Linearity	0.02 g
Weighing Modes	g, kg, ct, lb, oz, ozt, & dwt
Sensitivity Drift	6 ppm / °C
Response time (s)	2 seconds
Backlight	YES
Below Balance Hook	YES
Pan Size (inches)	7" x 7"
Pan Material	Stainless steel
Operating Temperature	5°C - 40°C
External Dimensions	9.6" x 12.6" x 3.5"
Packaging Dimensions	15" x 17" x 10.2"
Interface	Built-in RS232C
Housing	Die-cast aluminum, painted
Functions	piece counting, percent weighing
Legal for Trade (NTEP Approval)	YES - CofC 99-133A6 Legal for Trade in Grams Only
NTEP Mode Capacity x Readability (g)	4100 g x 0.1 g
Calibration	motorized internal calibration (FACT - Fully Automatic Calibration Technology)
Power	AC Adapter Only
Shipping Weight	10.8 pounds
Place of Origin	Made in Switzerland
Warranty	1 Year Limited Manufacturer's Warranty
User Manual	Download user manual for operating instructions
Quick Guide	Instructions for changing weigh modes

Mettler Toledo JB4002-G/A-F Gem Scale Features
	Accurate and reliable: METTLER TOLEDO guarantees accurate results for every weighing job.
	Robust quality: The full metal housing protects the weighing cell and electronics in your balance.
	Built-in applications: All gem balances have several applications already included in the software: Basic weighing, piece counting and percent weighing.  Jewelry scales are also approved with the counting feature for prescription filling.
	Legal For Trade: Precision gem scales are "Legal For Trade", also known as NTEP approved, which is required in applications where the product is sold by weight. "Legal For Trade" precision gem scales have undergone independent testing to verify the scale meets the manufacturer's specifications. For USA & other countries: A-Version.

Mettler Toledo Gem Scales for Weighing Jewelry Download the User Manual to understand all the functions & features (select the model & any of the options and then the"BUY HERE" image) Mettler Toledo JB2002-G/A-F [2100 g x 0.01 g] $1099.42 Mettler Toledo JB2002-L-G/A [2100 g x 0.01 g] $1098.42 Mettler Toledo JB3002-L-G/A [3100 g x 0.01 g] $1129.42 Mettler Toledo JB3002-G/A-F [3100 g x 0.01 g] $999.42 Mettler Toledo JB4002-G/A-F [4100 g x 0.01 g] $1199.42 Mettler Toledo JB4002-L-G/A [4100 g x 0.01 g] $1198.42 Mettler Toledo JB8001-G/A-F [8100 g x 0.1 g] $1059.42 Mettler Toledo JB8001-L-G/A [8100 g x 0.1 g] $1189.42 Mettler Toledo JB6001-L-G/A [6100 g x 0.1 g] $1178.42 Mettler Toledo JB6001-G/A-F [6100 g x 0.1 g] $1179.42 Mettler Toledo SB16001-G/A [16100 g x 0.1 g] $2349.42 Mettler Toledo SB32001-G/A [32100 g x 0.1 g] $2350.42 Mettler Toledo JL602-G/A03 [610 g x 0.01 g] $609.42 Mettler Toledo JL802-G/A03 [810 g x 0.01 g] $696.42 Mettler Toledo JL1501-G/A03 [1510 g x 0.1 g] $628.42 Mettler Toledo JL1502-G/A03 [1510 g x 0.01 g] $561.42 Mettler Toledo JL5001-G/A03 [5100 g x 0.1 g] $625.42 Mettler Toledo JL6001-G/A03 [6100 g x 0.1 g] $728.42 Mettler Toledo JL6001-G/LA00 [6100 g x 0.1 g] $449.42

Optional Accessories Remote display with backlight, cable length 6 feet $99.00 RS-P26 Printer $592.00 LC-P45 Applications Printer $1050.00 WinWedge Std Software Wedge for Windows $259.00

Optional Calibration Weight and Weight Sets 1 mg -100 g 21 piece Ulti Mass $1620.00 1 g -100 g 9 piece Ulti Mass $650.00 1 kg ASTM Class 1 (± 2.5 mg) cal mass $185.00 2 kg ASTM Class 1 (± 5 mg) cal mass $230.00 1000 g ASTM Class 6 (± 100 mg) mass $40.00 - no Cal Cert. 2000 g ASTM Class 6 (± 200 mg) mass $60.00 - no Cal Cert.

Weighing Pans YWP06G Weigh Pan w/ 3.25" Diameter and 0.75" depth $25.00 YWP05G Weigh Pan w/ Pour Spout and 3.5" Diameter with 1.75" Depth $50.00 YWP04G Gem Pan w/ 6.75 inch Diameter with 0.8 inch Depth $25.00 YWP03G Weighing Gem Pan w/ 5.25 inch Diameter with 0.8 inch Depth $25.00 YWP777G Weigh Pan w/ Pour Spout and 2.4" Diameter with 0.6" Depth $25.00

Mettler Toledo JB4002-G/A-F Gem Scale Standard Equipment
	Fully automatic internal adjustment (FACT)
	Robust metal housing
	Back-lit display
	RS232C interface
	Protective cover
	Below-the-balance weighing device

Mettler Toledo Precision Gem Scale Suffix Glossary
	/03: Mettler Toledo Balance is equipped with RS232 Interface
	/F: Fully Automatic Internal Calibration is included
	/L: No Internal Calibration
	/A: Mettler Toledo Balance is Legal for Trade (NTEP Approved)
	C: Carat
	G: Gold

As the price of precious metals like gold, platinum, silver and rhodium keep raising customer complaints to weights and measures officials are on the increase.  The general public is calling complaining they are being short changed buying and selling by weight.  These complaints typically result in a Weights & Measures officials doing an inspection to verify the scale in use is Legal for Trade. Most pawnshops, jewelers and metals buyers know they need a Legal for Trade Type Approved Scale, but these inspectors are now requiring the weighing scale to have two displays to meet the requirements of "direct sales". In weights and measures terminology a direct sale is one where both the buyer and seller are present.  NIST Handbook 44 requires the customer to be able to witness the transaction and transaction information from a reasonable position in a direct sale application. Weight indications shall be shown on the customer’s side of the scale when used for direct sales to retail customers.  The way to achieve these requirements is to purchase the optional display shown above (purchase here).  The Mettler Toledo 72213564 remote display features a backlight.  The display plugs into the RS-232 port on the back of the balance and the cable length is 6 feet.  All Mettler JB and JL balances are equipped with RS-232 interface with the exception of the JL602-G/LA00 and JL6001-G/LA00. The Mettler Toledo JB and JL Scales we offer meet or exceed the Class II or III accuracy requirements in accordance with the National Institute of Standards and Technology (NIST) Handbook 44.  Certificate of Conformance Numbers are issued under the National Type Evaluation Program (NTEP) of the National Conference on Weights and Measures.  NTEP approved Mettler Balances make it easy to comply with current regulations for the direct sales to the public of precious metals and semi-precious gems.

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