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Troemner Precision Weights

Since 1838, Troemner has enjoyed a long history as the leader in the field of precision measurements. Over the years, Troemner has enhanced its reputation as being the premier company in the metrology industry by achieving ISO 9001 certification, and accreditation in our laboratories by both the National Institute of Standards and Technology (NIST) administered National Voluntary Laboratory Accreditation Program (NVLAP) and the United Kingdom Accreditation Service (UKAS). Troemner strives for excellence in every area of the business, and continues to raise the standards of the industry

Class 0
Class 0
Class Class
Ultra Class
Class 1
Class 1
Class 2
Class 2
Class 3
Class 3
Class 4
Class 4
Class F
Class F
Class 7
Class 7

Call for more infoOnly the best raw materials are selected in order to manufacture high quality weights. Troemner is the only supplier that has a special stainless steel blend called Troemner Alloy 8, which possesses closely controlled density (8.03 g/cm3), extremely low magnetic properties, good stability and resistance to corrosion. We carry all of Troemner's Calibration Weights if you can't find what your looking for please call us at 800-832-0055

Class 0 - Calibration Weights
Class 0
ANSI/ASTM E617 Class 0
1 mg - 50 kg
   50g - 100g ANSI/ASTM E617 Class 0 500mg sets
500mg - 20g
   200g - 500g - 1kg ANSI/ASTM E617 Class 0 500mg sets
50g - 100g
   200g - 500g - 1kg ANSI/ASTM E617 Class 0 500mg sets
200g - 500g - 1kg
   2kg - 5kg - 10kg ANSI/ASTM E617 Class 0 500mg sets
2kg - 5kg - 10kg
   20kg - 25kg - 30kg - 50kg ANSI/ASTM E617 Class 0 500mg sets
20kg - 25kg - 30kg - 50kg
  
Metric
Class 0
   Weight Sets
Class 0
   Weight Sets
Class 0
   Weight Sets
Class 0
   Weight Sets
Class 0
   Weight Sets
Class 0
Class 0 Used as a primary reference for calibrating other reference standards and weights. Class 0 weights are intended to be used in metrology laboratories where the stability of the environment and careful handling are assured. Although very stable, one-piece construction Class 0 weights have no method of adjustment and are not suitable for general laboratory use. The uncertainty is guaranteed to be 1/3 the tolerance.
Note: Troemner also has a Class 00 and a Class 000. Please Call 718-336-5900 or email sales@scalesgalore.com For Pricing
Class 00 Used as a primary reference for calibrating other reference standards and weights. Class 00 weights are intended to be used in metrology laboratories where the stability of the environment and careful handling are assured. Although very stable, one-piece construction Class 00 weights have no method of adjustment and are not suitable for general laboratory use. Class 00 weight tolerances are equal to OIML R111 Class E1 tolerances and are tighter than Class 0. The uncertainty is guaranteed to be 1/3 of the tolerance. Class 00 is pending approval of ANSI/ASTM E617.
Class 000 Used as a primary reference for calibrating other reference standards and weights. Class 000 weights are intended to be used in metrology laboratories where the stability of the environment and careful handling are assured. Although very stable, one-piece construction Class 000 weights have no method of adjustment and are not suitable for general laboratory use. Class 000 is 1/2 the tolerance of Class 00 and the uncertainty is the best measurement reported in our NVLAP (Laboratory Code 105013-0) Scope of Accreditation which is guaranteed to be 1/3 the tolerance or better. Class 000 is pending approval of ANSI/ASTM E617.


Ultra Class - Calibration Weights
ANSI/ASTM E617 Ultra Class
ANSI/ASTM E617 Class 0
1 mg - 50 kg
   ANSI/ASTM E617 Class 0
1 mg - 50 kg

Metric
  
Metric
Ultra Class
   Ultra Class
Electronic Balance
  
ANSI/ASTM E617 Class 0
1 mg - 50 kg
   ANSI/ASTM E617 Class 0 sets
2 g - 5 g
   ANSI/ASTM E617 Class 0 500mg sets
500mg - 20g
   50g - 100g ANSI/ASTM E617 Class 0 500mg sets
50g - 100g
   200g - 500g - 1kg ANSI/ASTM E617 Class 0 500mg sets
200g - 500g - 1kg
   2kg - 5kg - 10kg ANSI/ASTM E617 Class 0 500mg sets
2kg - 5kg - 10kg
   20kg - 25kg - 30kg - 50kg ANSI/ASTM E617 Class 0 500mg sets
20kg - 25kg - 30kg - 50kg
  
Cal-Paks
Ultra Class
   Weight Sets
Ultra Class
   Weight Sets
Ultra Class
   Weight Sets
Ultra Class
   Weight Sets
Ultra Class
   Weight Sets
Ultra Class
   Weight Sets
Ultra Class
  
Ultra Class / Class 0 - For analytical and microbalances with readability as low as 1 g. These are the most precise two-piece weights available, with weight tolerances 40 to 50% better than ANSI/ASTM Class 1. Ultra Class weights combine high precision with the advantage of two-piece construction (1 g and larger) to avoid costly issues associated with one-piece weights.


Class 1 - Calibration Weights
ANSI/ASTM Class 1
NIST Class 1 Weights LB
0.01 oz - 8 oz

0.001 lb - 100 lb
   NIST Class 1 WeightS KG
1 mg - 50 kg
   NIST Class 1 Electronic Balance WeightS KG
10 g - 30 kg

Metric
   NIST Class 1 Electronic Balance WeightS KG
0.001 lb - 50 lb

Avoirdupois
  
Avoirdupois
Class 1
   Metric
Class 1
   Class 1
Electronic Balance
   Class 1
Electronic Balance
  
NIST Class 1 Stainless Steel Weights LB
20g - 500g
   NIST Class 1 Stainless Steel Weights LB
500 mg - 20 g
   50g - 100g ANSI/ASTM E617 Class 0 500mg sets
50g - 100g
   200g - 500g - 1kg ANSI/ASTM E617 Class 0 500mg sets
200g - 500g - 1kg
   2kg - 5kg - 10kg ANSI/ASTM E617 Class 0 500mg sets
2kg - 5kg - 10kg
   20kg - 25kg - 30kg - 50kg ANSI/ASTM E617 Class 0 500mg sets
20kg - 25kg - 30kg - 50kg
  
Cal-Paks
Class 1
   Weight Sets
Class 1
   Weight Sets
Class 1
   Weight Sets
Class 1
   Weight Sets
Class 1
   Weight Sets
Class 1
  
Class 1 - Can be used as a reference standard in calibrating other weights and is appropriate for calibrating high-precision analytical balances with a readability as low as 0.1 mg to 0.01 mg.


Class 2 - Calibration Weights
ANSI/ASTM Class 2
NIST Class 1 Weights LB
0.01 oz - 8 oz

0.001 lb - 100 lb
   ANSI/ASTM E617 Class 2
1 mg - 50 kg
   NIST Class 1  Stainless Steel Weights LB
500 mg - 20 g
   50g - 100g ANSI/ASTM E617 Class 0 500mg sets
50g - 100g
   200g - 500g - 1kg ANSI/ASTM E617 Class 0 500mg sets
200g - 500g - 1kg
   2kg - 5kg - 10kg ANSI/ASTM E617 Class 0 500mg sets
2kg - 5kg - 10kg
   20kg - 25kg - 30kg - 50kg ANSI/ASTM E617 Class 0 500mg sets
20kg - 25kg - 30kg - 50kg
  
Avoirdupois
Class 2
   Metric
Class 2
   Weight Sets
Class 2
   Weight Sets
Class 2
   Weight Sets
Class 2
   Weight Sets
Class 2
   Weight Sets
Class 2
  
Class 2 - Appropriate for calibrating high-precision top loading balances with a readability as low as 0.01 g to 0.001 g.


Class 3 - Calibration Weights
ANSI/ASTM Class 3
NIST Class 1 Weights LB
0.01 oz - 8 oz

0.001 lb - 100 lb
   ANSI/ASTM E617 Class 2
1 mg - 50 kg
   NIST Class 1  Stainless Steel Weights LB
500 mg - 20 g
   50g - 100g ANSI/ASTM E617 Class 0 500mg sets
50g - 100g
   200g - 500g - 1kg ANSI/ASTM E617 Class 0 500mg sets
200g - 500g - 1kg
   2kg - 5kg - 10kg ANSI/ASTM E617 Class 0 500mg sets
2kg - 5kg - 10kg
   20kg - 25kg - 30kg - 50kg ANSI/ASTM E617 Class 0 500mg sets
20kg - 25kg - 30kg - 50kg
  
Avoirdupois
Class 3
   Metric
Class 3
   Weight Sets
Class 3
   Weight Sets
Class 3
   Weight Sets
Class 3
   Weight Sets
Class 3
   Weight Sets
Class 3
  
Class 3 - Appropriate for calibrating high-precision top loading balances with a readability as low as 0.01 g to 0.001 g.


Class 4 - Calibration Weights
ANSI/ASTM Class 4
   NIST Class 1 Weights LB
0.01 oz - 8 oz

0.001 lb - 100 lb
   ANSI/ASTM E617 Class 2
1 mg - 50 kg
   NIST Class 4  Stainless Steel Weights LB
10 g - 30 kg
  
   Avoirdupois
Class 4
   Metric
Class 4
   Metric
Electronic Balance
  
   NIST Class 1  Stainless Steel Weights LB
500 mg - 20 g
   50g - 100g ANSI/ASTM E617 Class 0 500mg sets
50g - 100g
   200g - 500g - 1kg ANSI/ASTM E617 Class 0 500mg sets
200g - 500g - 1kg
   2kg - 5kg - 10kg ANSI/ASTM E617 Class 0 500mg sets
2kg - 5kg - 10kg
   20kg - 25kg - 30kg - 50kg ANSI/ASTM E617 Class 0 500mg sets
20kg - 25kg - 30kg - 50kg
  
   Weight Sets
Class 4
   Weight Sets
Class 4
   Weight Sets
Class 4
   Weight Sets
Class 4
   Weight Sets
Class 4
  
Class 4 - For calibration of semi-analytical balances and for student use..


Class F - Calibration Weights
NIST Class F Cast Iron Grip Weights LB
5 - 5000 lb

Cast Iron Grip
   NIST Class F Cast Iron Grip Weights KG
2 - 2000 kg

Cast Iron Grip
   NIST Class F Stainless SteelWeights LB
0.001 lb - 2000 lb
0.05 oz - 12 oz
   NIST Class F Stainless Steel Weights KG
1mg - 2000 kg
   NIST Class F Stainless Steel Weights KG
Cube Weights
   NIST Class F Stainless Steel Weights KG
Recessed Grip
Avoirdupois
Class F
   Metric
Class F
   Avoirdupois
Class F
   Metric
Class F
   Individual
Class F
   Individual
Class F
NIST Class F Stainless Steel Weights KG
Weight Sets
   NIST Class F Stainless Steel Weights KG
Weight Sets
   NIST Class F Stainless Steel Weights KG
Weight Sets
   NIST Class F Stainless Steel Weights KG
Weight Sets
  
5g, 50g, 100g
Class F
   300g, 500g, 1000g
Class F
   2000g
Class F
   5000g
Class F
  
NIST Class F Stainless Steel Weights KG
Weight Sets
   NIST Class F Stainless Steel Weights KG
Weight Sets
   NIST Class F Stainless Steel Weights KG
Weight Sets
   NIST Class F Stainless Steel Weights KG
Weight Sets
   NIST Class F Stainless Steel Weights KG
Weight Sets
  
4 oz, 8 oz, 0.2 lb,
0.3 lb Class F
   1 lb
Class F
   2 lb
Class F
   5 lb
Class F
   10 lb
Class F
  
Class F - Primarily used to test commercial weighing devices by state and local weights and measures, device installers, and service technicians.


Class 7 - Calibration Weights
ANSI/ASTM Class 7
   NIST Class 7 Weights LB
10 - 1000 g & 0.1 - 10 N
   NIST Class 7 Weights LB
1 g - 500 g
   ANSI/ASTM E617 Class 2
1 mg - 2000 g
   Class 7 Hanger
50 g - 0.5 N
  
   Hook
Class 7
   Slotted
Class 7
   Metric
Class 7
   Hanger
Class 7
  
Class 7 - For rough weighing operations in physical and chemical laboratories, such as force ..




Troemner's Traceable Certificate
The Traceable Certificate is designed for those laboratories and companies that require traceability but do not need to meet any stringent regulatory requirements. The Traceable Weight Certificate measurement process is based on a single standard and utilizes one series of comparisons.
Sample Cert

Troemner's NVLAP Accredited Certificate
Troemner's NVLAP Accredited Certificate provides compliance in both measurement process and data reported to the customer to meet a variety of standards including NVLAP Handbook 150-2, ISO/IEC 9000, ISO/IEC 17025, FDA, GMP. GLP, DOD, ANSI/NCSL Z540-1 and nuclear requirements. Troemner's NVLAP Laboratory Code is 105013-0. The NIST administered National Voluntary Laboratory Accreditation Program (NVLAP) approves, through periodic audits, all processing and weighing procedures, as well as certificate format and content. Calibration procedures vary by tolerance class requested. For example, for higher accuracy classes such as Troemner UltraClass Series, ANSI/ASTM E617 Class 000, 00, 0 and 1, OIML R 111 Class E0, E1, E2 and F1, Troemner performs a multiple weighing procedure utilizing standards to determine the mass of a customer's weight.
Sample Cert

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For Orders, Phone toll-free 800-832-0055
All other inquiries, please phone 718-336-5900
FAX 718-627-1313



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