Precision Weighing Balances
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2 milligram leaf weight is NIST traceable calibration weight.  Ulti Mass Class U calibration leaf weight (WT2MGCLSUC), Flat Weight, ASTM Shape, includes Certificate of Calibration.  Individual weight is packed in a plastic vial and then in bubble envelope.  Typical lead time is 5 to 7 business days from the date order is placed to shipping from NVLAP metrology lab located Arvata, Colorado.

Single-piece construction: Because the precise measurement of density can only be achieved using a single piece weight, all Sartorius weights are ASTM Type 1 single-piece weights.  This weight contain no air cavity or foreign adjusting material, thus providing the maximum mass stability.  In addition, it is an ASTM requirement that one-piece weights are used as standards and where mass stability is required.

This Ulti Mass Class U Mass Standard provide the greatest precision we offer.  Ideal for use as reference standards to calibrate other weights or check the accuracy for high-resolution micro-balances.  Ideal for use as reference standards to calibrate other weights using high resolution micro balances including the Sartorius SE2 micro balance, Mettler AX26 Ultra-micro Balance, Mettler Toledo UMX5, Scientech SM-50, or A&D GH-202 semi micro balance. 

The mass standards produced by Sartorius today are designed to meet or exceed the standards of the American Society of Testing Materials (ASTM E617)

We offer a choice of 21, 17, 16, 9, 8 and 5 piece weight sets or individually weights ranging from 5kg to 1mg.  See the complete offering of calibration weights here.

Sartorius 2 Milligram Leaf Wgt

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Brand Model Capacity Readability
Sartorius 2 Milligram Leaf Wgt
Modes
Add. Features
  • Grams
Comparable Scales

Sartorius Certified Class 1 Weights - $1525.00
Sartorius 21 pc Class 2 Mass Set - $1330.00

Sartorius Ultra Class Traceable - $1025.00
Sartorius 21 pc mass standard set - $915.00

Sartorius 1mg Leaf Weight - $89.00
Sartorius Certified 50mg Cal Weight - $94.00

Sartorius 200mg Standard Mass - $99.00
Sartorius 500mg Calibration Wgt - $99.00
MSRP: $105.00
YOU PAY $89.00
Untitled Document
calibration weights
Certified Calibration Weights from Sartorius
  • 1 mg to 5 kg weights.  Sold individually or as a 9-piece or 21-piece set.
  • All weights meet or exceed ASTM specifications
  • All mass measurements are made using procedures developed by NIST
  • All mass standards are milled from the finest corrosion-resistant stainless steel stock ensuring consistent density
  • Each weight is calibrated by a NVLAP-accredited metrology lab in a climate-controlled environment
  • One-piece construction provides the maximum mass stability
  • Each weight and weight set is supplied complete with a Certificate of Traceability
  • Certificate of Calibration

Individual Calibration Weights


milligram weights, mass set

(7-10 days lead time for all calibration weights and mass sets)
Photo shown above for the flat weights are of OIML specification weights.
The ASTM weights are actually square in their shape.
 
Nominal
Value		 Class Part Number Report of
Traceability		 Certificate of
Calibration		 Tolerance Price
Flat Weights, ASTM Shape        
5 kg Ulti Mass WT5KGCLSUC NO YES ± 6.00 mg $410.00
5 kg Class 1 WT5KGCLS1C NO YES ± 12 mg
$385.00
5 kg Class 2 WT5KGCLS2C NO YES ± 25 mg
$350.00
2 kg Ulti Mass WT2KGCLSUC NO YES ±2.5 mg
$235.00
2 kg Class 1 WT2KGCLS1C NO YES ±5.0 mg
$230.00
2 kg Class 2 WT2KGCLS2C NO YES ± 10 mg
$195.00
1 kg Ulti Mass WT1KGCLSUC NO YES ±1.25 mg
$185.00
1 kg Class 1 WT1KGCLS1C NO YES ±2.5 mg
$185.00
1 kg Class 2 WT1KGCLS2C NO YES ±5.0 mg
$165.00
500 g Ulti Mass WT500GCLSUC NO YES ±0.600 mg
$175.00
500 g Class 1 WT500GCLS1C NO YES ±1.2 mg
$170.00
500 g Class 2 WT500GCLS2C NO YES ±2.5 mg
$155.00
200 g Ulti Mass WT200GCLSUC NO YES ±0.250 mg
$145.00
200 g Class 1 WT200GCLS1C NO YES ±0.50 mg
$140.00
200 g Class 2 WT200GCLS2C NO YES ±1.0 mg
$135.00
laboratory weights

(7-10 days lead time for all calibration weights and mass sets)
Nominal
Value		 Class Part Number Report of
Traceability		 Certificate of
Calibration		 Tolerance Price
Small Knob Style, ASTM Shape        
100 g Ulti Mass WT100GCLSUC NO YES ±0.125 mg
$115.00
100 g Class 1 WT100GCLS1C NO YES ±0.25 mg
$100.00
100 g Class 2 WT100GCLS2C NO YES ±0.50 mg
$100.00
50 g Ulti Mass WT50GCLSUC NO YES ±0.060 mg
$105.00
50 g Class 1 WT50GCLS1C NO YES ±0.12 mg
$95.00
50 g Class 2 WT50GCLS2C NO YES ±0.25 mg
$95.00
20 g Ulti Mass WT20GCLSUC NO YES ±0.037 mg
$100.00
20 g Class 1 WT20GCLS1C NO YES ±0.074 mg
$90.00
20 g Class 2 WT20GCLS2C NO YES ±0.10 mg
$90.00
10 g Ulti Mass WT10GCLSUC NO YES ±0.025 mg
$100.00
10 g Class 1 WT10GCLS1C NO YES ±0.050 mg
$90.00
10 g Class 2 WT10GCLS2C NO YES ±0.074 mg
$90.00
5 g Ulti Mass WT5GCLSUC NO YES ±0.017 mg
$100.00
5 g Class 1 WT5GCLS1C NO YES ±0.034 mg
$85.00
5 g Class 2 WT5GCLS2C NO YES ±0.054 mg
$85.00
2 g Ulti Mass WT2GCLSUC NO YES ±0.017 mg
$95.00
2 g Class 1 WT2GCLS1C NO YES ±0.034 mg
$80.00
2 g Class 2 WT2GCLS2C NO YES ±0.054 mg
$85.00
1 g Ulti Mass WT1GCLSUC NO YES ±0.017 mg
$95.00
1 g Class 1 WT1GCLS1C NO YES ±0.034 mg
$80.00
1 g Class 2 WT1GCLS2C NO YES ±0.054 mg
$80.00
milligram weights, mass set

(7-10 days lead time for all calibration weights and mass sets)
Photo shown above for the flat weights are of OIML specification weights.
The ASTM weights are actually square in their shape.
 
Nominal
Value		 Class Part Number Report of
Traceability		 Certificate of
Calibration		 Tolerance Price
Flat Weights, ASTM Shape        
500 mg Ulti Mass WT500MGCLSUC NO YES ±0.005 mg
$105.00
500 mg Class 1 WT500MGCLS1C NO YES ±0.010 mg
$80.00
500 mg Class 2 WT500MGCLS2C NO YES ±0.025 mg
$80.00
200 mg Ulti Mass WT200MGCLSUC NO YES ±0.005 mg
$105.00
200 mg Class 1 WT200MGCLS1C NO YES ±0.010 mg
$80.00
200 mg Class 2 WT200MGCLS2C NO YES ±0.025 mg
$80.00
100 mg Ulti Mass WT100MGCLSUC NO YES ±0.005 mg
$105.00
100 mg Class 1 WT100MGCLS1C NO YES ±0.010 mg
$80.00
100 mg Class 2 WT100MGCLS2C NO YES ±0.025 mg
$80.00
50 mg Ulti Mass WT50MGCLSUC NO YES ±0.005 mg
$100.00
50 mg Class 1 WT50MGCLS1C NO YES ±0.010 mg
$80.00
50 mg Class 2 WT50MGCLS2C NO YES ±0.014 mg
$80.00
20 mg Ulti Mass WT20MGCLSUC NO