Troemner ASTM Class 1 Cal-Pak Calibration Weight Set – 30391789 / 7259-1W – NVLAP Certificate
Troemner precision ASTM Class 1 Cal-Pak calibration weight set with protective carrying case and USB flash drive 
Troemner Part #: 30391789
Legacy Model #: 7259-1W
Accuracy Class: ASTM Class 1
Set includes:
500 g calibration weight
50 g calibration weight
20 mg calibration weight
Individual protective weight containers
Protective Cal-Pak carrying case
Weight-handling accessories as pictured
USB flash drive
Calibration: The set was calibrated in 2025
This is a professional precision mass calibration set intended for calibration and verification of analytical and precision laboratory balances.
The Cal-Pak weights, carrying case, and calibration documentation are individually traceable by serial number.
Condition: Pre-owned and in excellent condition. Please review all photographs for the exact cosmetic condition and all included components.
The documentation supplied on the USB will be included with the set.
Specifications:
Brand: Troemner
Part Number: 30391789
Legacy Model: 7259-1W
Type: Cal-Pak Calibration Weight Set
Class: ASTM Class 1
Range: 500 g to 20 mg
Set Contents: 500 g, 50 g, 20 mg
Number of Weights: 3
Total Nominal Mass: 550.02 g
Original calibration documentation on USB
Last Calibration Date: 2025 (TRANSCAT) (not documented on USB)
Protective Case: Included
You will receive the exact set and accessories shown in the photographs.