Thermacal Inc no longer manufactures products.
This site provides calibration and repair information for our 4000 unit base,
instructions for returning units to Thermacal for repair,
and NIST Traceable Calibration with Before/After data per ANSI/NCSL Z 540-3 2006.


For calibration and/or repair, call Thermacal at 440-498-1005 or 239-431-8956 for a return authorization number . 
The calibration cost is $350.00.
Repairs will be quoted after receipt of the unit. There is no evaluation charge.
We accept all credit cards.


Send the unit to: 
Thermacal Inc
2338 Immokalee Rd  Unit 334
Naples. FL 34110





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for Model 20A Manual




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