IRS Alcohol Hydrometer Corrections | Avogadro's Lab Supply

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Popular products

• Certified Incubator Thermometer 18 to 50 °C PTFE Coated $73.75
• Certified Freezer Thermometer -30 to 0 C PTFE Coated $73.75
• Certified Refrigerator Thermometer -5 to 15 C PTFE Coated $73.75
• PTFE Coated Accu-Safe 12" Lab Thermometer -10 to 260 °C $88.95
• PTFE Coated Accu-Safe 12" Lab Thermometer -20 to 150 C $50.75

IRS Alcohol Hydrometer Corrections

Table 1970A  U.S. Internal Revenue Service

Temperature Correction Table for Alcohol Hydrometers calibrated at 60 °F

Proof Reading	51 to 59 °F	61 to 70 °F	71 to 80 °F	81 to 90 °F
	Add	Subtract	Subtract	Subtract
10	0.08	0.13	0.16	0.19
20	0.12	0.16	0.20	0.23
30	0.20	0.23	0.25	0.26
40	0.29	0.30	0.30	0.30
50	0.37	0.35	0.35	0.35
60	0.42	0.39	0.38	0.38
70	0.41	0.40	0.41	0.41
80	0.40	0.40	0.41	0.41
90	0.38	0.39	0.39	0.40
100	0.37	0.37	0.37	0.38
110	0.36	0.36	0.37	0.38
120	0.34	0.35	0.36	0.36
130	0.33	0.34	0.35	0.35
140	0.32	0.33	0.34	0.34
150	0.31	0.32	0.32	0.33
160	0.29	0.31	0.31	0.32
170	0.28	0.29	0.29	0.30
180	0.25	0.26	0.27	0.28
190	0.21	0.22	0.24	0.25
200	----	0.17	0.18	0.20