Ohaus Troemner OIML Precision Weights (USA) Individual Weights E1 500 mg, NVLAP Cert 30390942

The Ohaus Troemner OIML Precision Weights (USA) Individual Weights E1 500 mg, NVLAP Cert 30390942 are high-precision calibration weights used for accurately calibrating analytical balances and ensuring measurement traceability in laboratories.

Key Features:

• Model/Part Number: 30390942
• Weight Value: 500 mg
• OIML Class: E1
• Certification: NVLAP Accredited
• Brand: Ohaus
• Construction: One-piece
• Material: Troemner Alloy 8 (implied from E1 class standard manufacturing)
• Uncertainty: 0.003 mg (typical for E1 class 1 g weights; exact uncertainty for 500 mg not specified, but E1 class weights have very tight tolerances)
• Protective case: Included (implied standard for certified calibration weights)

Advantages:

• High precision and low uncertainty allow calibration of balances with very fine readability and enhance measurement accuracy.
• E1 classification ensures the weight meets the strict OIML R111 international standard for primary reference calibration.
• NVLAP certification provides traceability to national standards, supporting quality assurance in regulated environments.
• One-piece construction enhances durability and maintains weight stability over time.