Set includes thermometer with 0° to 220°F range and 8 precision hydrometers that cover specific gravity range of 0.695 to 2.000. Permanently marked with individual serial numbers. Accurate to one graduation line that meets or exceeds ASTM E 100 specifications. Calibrated according to ASTM E 126 specifications. A certificate is provided to indicate instrument traceability to standards provided by NIST. A certificate of calibration is available; simply add the letter "C" to the end of the catalog number when ordering. In lined case. Hydrometers are approximately 300mm long for use with 08-530J Cylinder.
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