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...

FAQs & help topics

Recalibration

Why is it necessary to re-calibrate my thermometer (hydrometer)?

How often do I have to re-calibrate?  Suggested calibration intervals?

How do I choose calibration temperatures?

Thermometer terminology and use

Total Immersion.......Partial Immersion.....  what do these terms mean?

How do I rejoin mercury separations?    Instructions in English & Espaņol

Using a total immersion thermometer only partially immersed

Using a partial immersion thermometer in condition of total immersion

NEW - Using a partial immersion thermometer incorrectly immersed...

NIST Traceability

What does 'NIST traceability' mean?  What's needed to confer NIST traceability to a measurement device?

What is "True Mass"?  What is "Conventional Mass"?   Mass calibration (metrology) terms explained in plain English.

Hydrometers

Helpful hints for accurate hydrometer readings

ThermoProbe digital thermometers

ThermoProbe cable & sensor replacement and calibration instructions (in English & en Espaņol)

ThermoProbe calibration intervals: API recommendations

Have other questions?  Call us.  Technical questions: Jeff Kelly, Technical Director  800-713-6647 x 207