Precision Weighing Balances
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Mettler's JB1203-L-C/A has a weighing capacity of 240 grams and increments in 0.001 gram divisions.  This is an extremely affordable milligram balance that comes with the external 200 gram calibration mass, RS-232 interface, and 3 door glass draftshield for stable and accurate weighing results.

Mettler Toledo's JB1203 carat balance offers milligram precision in standard mode or 0.01 ct/g readabilities in NTEP mode.  Jewelers looking for a legal for trade gem balance can trust Mettler Toledo to deliver precision weighing results every time.

We don't sell many of the Mettler-Toledo JB1203-L-C/A since this digital balance offers external calibration only and for a little more money you can buy JB1203-C/A-F which offers automatic internal calibration with the same weighing specification.

Mettler Toledo Carat Balance JB1203-LCA

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Brand Model Capacity Readability
Mettler Toledo Carat Balance JB1203-LCA 240 g 0.001 g
Modes
Add. Features
  • Carats
  • Grams
  • Legal For Trade
  • Parts Counting
  • RS-232c
Comparable Scales

Acculab ALC-320.3 Milligram Balan - $717.14

Sartorius GK2202 Gem Balance - $1499.84

Sartorius GCA2502 Milligram Balance - $1499.95

Scientech ZSE250 Jewelry Scale - $1262.00

Scientech ZSP400NJ Milligram Scale - $1344.00

Mettler Toledo JB1603-CA-F Gem Balance - $1398.72
MSRP: $1890.00
YOU PAY $1389.72
Untitled Document
Mettler Toledo Carat Scale

Mettler Toledo JB1203-L-C/A NTEP Approved Balance
Your Price $1389.72
S&H via UPS Ground $65.00
Capacity x Readability (g) Non-NTEP Mode: 240 g x 0.001 g
Capacity x Readability (ct) Non-NTEP Mode: 1200 ct x 0.001 ct
Weighing Modes Carats or Grams
( Instructions for changing 2nd weigh unit )
Repeatability 0.001 ct / 0.001 g
Linearity 0.001 ct / 0.001 g
Operating Temperature 5°C - 40°C
Sensitivity Drift 2.5 ppm / °C
Response time (s) 3 seconds
Backlight Yes
Below Balance Hook Yes
Pan Size (diameter) ø 3.15 inches
Pan Material Chromium-nickel Steel
External Dimensions 9.6" x 12.6" x 11"
Packaging Dimensions 15" x 16.9" x 19.2"
Max Ht Above Weigh Pan 6.5 inches
Interface Built-in RS232 Interface
Housing Die-cast Aluminum, Painted
Functions Parts Counting & Percent Weighing
Legal for Trade
(NTEP Approval)
YES - CofC 99-133A6
NTEP Mode
Capacity
x Readability (g)
240 g x 0.01 g
NTEP Mode
Capacity x Readability (ct)
1200 ct x 0.01 ct
Calibration External Calibration 200 g, mass (included)
Shipping Weight 19 pounds
Place of Origin Made in Switzerland
Warranty 1 Year Limited Manufacturer's Warranty
Mettler Toledo BalanceData Sheet Mettler Toledo JB Series Download data sheet for more information
Mettler Toledo BalanceUser Manual Mettler Toledo JB Series Download user manual for operating instructions
Mettler Toledo Carat ScaleQuick Guide Mettler Toledo Scale Instructions for changing weigh modes

The rugged metal housing ensures a long operating life and minimal maintenance costs.  The backlit display ensures that results can always be read clearly.

These jewelry scales weigh units in grams or carats only, and are legal for trade.  Other functions include piece counting and percent weighing.

Mettler Toledo Carat 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)

   Mass Weights Calibration Set Calibration Weights Weighing Mass

Optional Calibration Weight and Weight Sets

1mg-100g 21 piece Ulti Mass $1620.00
1g-100g 9 piece Ulti Mass $650.00
50g ASTM Class 1(± 0.12 mg) cal mass $95.00
100g ASTM Class 1(± 0.25 mg) cal mass $100.00
200g ASTM Class 1(± 0.50 mg) cal mass $140.00
Please Note:
Mettler Toledo gold balances have long model numbers, and often times you see gold balances that look the same, but have slightly different model numbers.  Below we have provided a chart that explains what these different characters stand for to eliminate confusion.  When you purchase a Mettler Toledo jewelry balance from Precision Weighing Balances, we want you to know exactly what you are getting.

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

Select a Mettler Toledo Balance that meets your specific weighing needs.
Model Capacity x Readability Internal Cal. Price
JB703-C/A-F 700 ct x 0.001 ct
140 g x 0.001 g
Yes $1157.72
JB1203-C/A-F 1200 ct x 0.001 ct
240 g x 0.001 g
Yes $1399.72
JB703-L-C/A

700 ct x 0.001 ct
140 g x 0.001 g

No $1229.72
JB1203-L-C/A 1200 ct x 0.001 ct
240 g x 0.001 g
No $1389.72
JB1603-C/A-F 1600 ct x 0.001 ct
320 g x 0.0001 g
Yes $1699.72
JL603-C/A03 610 ct x 0.001 ct
122 g x 0.001 g
No $1274.72
JL1103-C/A03 1100 ct x 0.001 ct
220 g x 0.001 g
No $1068.72
JL1503-C/A03 1510 ct x 0.001 ct
302 g x 0.001 g
No $1157.72
JL502-C/A03 510 ct x 0.01 ct
102 g x 0.01 g
No $839.72

Select a Mettler Toledo jewelry scale that meets your needs.
Model Cap x Read (grams) Weighing Pan Size Price
JB803-C/A-F 162 g x 0.001 g ø 3.1" $1398.42
JB2002-G/A-F 2100 g x 0.01 g 7" x 7" $1099.42
JB2002-L-G/A 2100 g x 0.01 g 7" x 7" $1098.42
JB3002-G/A-F 3100 g x 0.01 g 7" x 7" $999.42
JB3002-L-G/A 3100 g x 0.01 g 7" x 7" $1129.42
JB4002-G/A-F 4100 g x 0.01 g 7" x 7" $1199.42
JB4002-L-G/A 4100 g x 0.01 g 7" x 7" $1198.42
JB6001-G/A-F 6100 g x 0.1 g 7" x 7" $1179.42
JB6001-L-G/A 6100 g x 0.1 g 7" x 7" $1178.42
JB8001-G/A-F 8100 g x 0.1 g 7" x 7" $1059.42
JB8001-L-G/A 8100 g x 0.1 g 7" x 7" $1189.42
SB16001-G/A 16100 x 0.1 g 13.74" x 9.13" $2349.42
SB32001-G/A 32100 x 0.1 g 13.74" x 9.13" $2350.42
JL602-G/A03 610 g x 0.01 g ø 6.3" $609.42
JL602-G/LA00 610 g x 0.01 g ø 4.7" $339.42
JL802-G/A03 810 g x 0.01 g ø 6.3" $696.42
JL1502-G/A03 1510 g x 0.01 g ø 6.3" $561.42
JL1501-G/A03 1510 g x 0.1 g ø 6.3" $628.42
JL5001-G/A03 5100 g x 0.1 g ø 6.3" $625.42
JL6001-G/A03 6100 g x 0.1 g ø 6.3" $728.42
JL6001-G/LA00 6100 g x 0.1 g ø 6.3" $449.42

Legal for trade for direct sales

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.

 
 
Copyright © 2009 Precision Weighing Balances, All Rights Reserved. 
This site is owned and operated by Precision Weighing Balances and is not sponsored or affiliated with Mettler Toledo nor should be confused with Mettler Toledo Inc.  Mettler® and METTLER TOLEDO® are registered trademarks of Mettler-Toledo, Inc.  Additional information about METTLER TOLEDO can be found on the web-site www.mt.com.  For warranty, parts and technical related issues please call Mettler directly at 1-800-METTLER.

 

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