21 piece (100g-1mg) nvlap weight set class 1
This weight set is NVLAP certified, ASTM Class 1 and includes 21 pieces:100 g, 50 g , 2-20 g, 10 g, 5 g, 2-2 g, 1 g, 500 mg, 2-200 mg, 100 mg, 50 mg, 2-20 mg, 10 mg, 5 mg, 2-2 mg, 1 mg. Polycarbonate case, brush, forceps and USB flash drive included.
Availability: 0 left in stock. Usually ships in 2 weeks
YOU PAY: $1,955.00
Troemner ASTM Class 1 weights 1 g and larger are produced from two pieces of material. The body of the weight is one piece and the knob of the weight is the second piece. The knob has a thread that screws into the body and is tightened. There is a cavity below the knob thread in the body which contains adjusting material, typically the same material from which the weight is made. Weights 500 mg and below are made of sheet metal and are one-piece construction with one side turned up to make them easy to handle with forceps. Corners and edges are smooth. The nominal value of each weight is etched or stamped on the top surface of the weight and their shape is square.
Finish All surfaces are polished to a perfect, mirrorlike finish and conform to specifications in ANSI/ASTM E617. For ANSI/ASTM E617 surface finish specifications see the Mass Standards Handbook.
Class 1 weights can be used to calibrate certain Class I and Class II balances and scales as specified in OIML R 76. Class 1 weights can also be used to calibrate Class 2 weights.
This Troemner weight set is supplied in high quality polycarbonate case with a compartment for each weight as well as compartments for a brush, forceps and USB flash drive.
Certificate of Calibration - The Certificate of Calibration includes everything found in a Report of Traceability with the additional information listed below:
- Uncertainty value
- Test conditions temperature, barometric pressure, humidity.
- Conventional Mass Correction
- Uncertainty of the measurement
- Identification of the balance used in the calibration
- as found value if an adjustment is performed
- assumed density of the weight
- material weight is made from Pass/Fail result of magnetic testing
- Volume of the weight
- True Mass correction
Difference between Traceability and Certificate of Calibration?
The major difference between the Report of Traceability and the Calibration Certificate is the Report of Traceability is a tolerance test and is only available for new weights. The Certificate of Calibration is a full report of the parameters tested. Above we outline what comes with each report. The Certificate of Calibration will, however, give a smaller uncertainty and a more precise value of the actual mass due to the multiple measurements that are made during the calibrating process. If you require a accredited laboratory certificate to meet ISO/IEC 17025 & ANSI/NCSC Z540-1 the you need a NVLAP Certificate of Calibration.
We also offer a huge selection of Laboratory Calibration Weights and Calibration Mass Sets with Calibration certification and NIST Traceable Calibration for lab balances at www.calibrationweight.com
Disclaimer: While we work to ensure that product information is correct, on occasion manufacturers may enhancements or alter their to current products. Actual product image and specifications may be differ from that shown on our web site. Please refer to the "Specs" tab.
All calibration weights are not returnable. Once your order has been placed it CAN NOT be cancelled. Please carefully consider this prior to placing your order. The reason for this is these weights are custom manufactured.
|Description:||Alloy 8 Metric Precision Weight Sets|
|100 g, 50 g , 2-20 g, 10 g, 5 g, 2-2 g, 1 g, 500 mg, 2-200 mg, 100 mg, 50 mg, 2-20 mg, 10 mg, 5 mg, 2-2 mg, 1 mg|
|Material:||Highly polished weights. 100g-1g weights are Alloy 8 stainless steel, 500 mg down to 50mg weights are 304 stainless steel, weights below 50mg are flat aluminum weights|
|Construction:||Weights 500 mg and below are 1 piece construction with no adjusting cavity with one end turned up for easy handling. Weights above 500 mg are 2 piece construction with handling knob|
|Case:||Supplied in a high quality polycarbonate case with a compartment for each weight as well as compartments for a brush, forceps and USB flash drive.|
USB flash drive
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|Construction||Alloy 8 Stainless Steel|