Heathrow Scientific 67131H ASTM Specific Gravity Hydrometers, ASTM 131H, 1.300 to 1.350, 0.001 subdivisions, 260 mm, 1/pk
SKU: 99338684033

Heathrow Scientific 67131H ASTM Specific Gravity Hydrometers, ASTM 131H, 1.300 to 1.350, 0.001 subdivisions, 260 mm, 1/pk

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Description

Heathrow Scientific 67131H ASTM Specific Gravity Hydrometers, ASTM 131H, 1.300 to 1.350, 0.001 subdivisions, 260 mm, 1/pkASTM Specific Gravity Hydrometers are calibrated at 60F and manufactured to the specifications of the American Society for Testing and Materials (ASTM). Select the hydrometer that you need by matching the ASTM number shown. Specific Gravity, also known as relative density, is the ratio of the mass of a liquid to the mass of an equal volume of distilled water.

ASTM Specific Gravity Hydrometers are calibrated at 60°F and manufactured to the specifications of the American Society for Testing and Materials (ASTM). Select the hydrometer that you need by matching the ASTM number shown. Specific Gravity, also known as relative density, is the ratio of the mass of a liquid to the mass of an equal volume of distilled water.

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SKU: 99338684033

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4.7 ★★★★★
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S
Verified Purchase
sheila
Whiting, US
★★★★★ 5
Quality Watch
Color: 5566-ZP-white face
A very nice looking inexpensive watch for work if you are in a job that you don't want to wear an expensive watch.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 15, 2026
J
Verified Purchase
John Schmidt
Battle Creek, US
★★★★★ 4
As Advertised
Color: 5535-HP-white
The watch is what I expected, and works upon receipt as advertised. At this price, if it only works for 4-6 months it's easily worth the money. Large, nice looking face, day/date. Wristband is what you'd expect, but adequate and comfortable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 25, 2023
D
Verified Purchase
David E
Massapequa, US
★★★★★ 3
Dies after a Year
Color: 5566-ZP-white face
Watch worked fine for about a year, then just stopped working - just like that. No amount of shaking or gentle impacts would get it to start ticking again. I'd also say my biggist issue with it was it was always difficult to tell which hand was the second hand and which hand was the minute hand since they're both the same color and thickness. Wish the hour and minute hands were a little thicker so they'd stand out a little better and/or that the minute hand was a different color so it was offset. Resulted in having to study the watch to get the time instead of a quick glimpse to see what time it was. Irritating after a while.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 15, 2026
B
Verified Purchase
Bob natale
Omaha, US
★★★★★ 5
They were lightweight and attractive
Color: 5535-HP-white
Sleek and attractive
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2026
M
Verified Purchase
M. Collica
Whiting, US
★★★★★ 5
Blue faced watch.
Color: 5535-ZP-blue
Looks great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026

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