Accredited calibration services: 

From -196^oC to 1000^oC   ASTM thermometers, digital thermometers, PRTs, thermocouples, thermistors

Specific Gravity hydrometers. API hydrometers, Baume hydrometers,
Kg/M3 (density) hydrometers, Brix hydrometers, Proof hydrometers

ASTM Class 1 and OIML E-2 and lesser specification stainless steel and brass laboratory weights.  New calibrated weights and re-calibration of weights you currently have.

Thermo-hygrometers, chart recorders, humidity sensors, data-loggers

Burets, pipets, volumetric flasks, graduated cylinders, volumetric glassware

 Testing and certification that an instrument complies with specified accuracy requirements...

Petroleum Samplers