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120151-010 QuickCable Pointer Style Hydrometer (10 Pack)

120151-010 QuickCable Pointer Style Hydrometer
 
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Price $41.23


Product Code: 120151-010
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Description Prop65
 
120151-010 QuickCable Pointer Style Hydrometer (10 Pack) - With thick plastic body to resist breaking, oversized markings and a direct dial scale with instructions printed on the body of the tool.
Product Features
  • Thick wall plastic body resists breakage
  • Direct dial scale features oversize markings
  • Step-by-step instructions on body

Temperature Correction
Specific Gravity of acid is temperature dependent. If the temperature is very cold or very hot this can lead to incorrect readings. To correct for temperature use the following equations the equations or below 70ºF subtract points (0.03 per 10ºF) and above 70ºF add points.

Correction factor = (0.331 x Cell Temp ºF - 23) / 1000 or 0.003 pts per 10 ºF
Correction factor = (0.595 x Cell Temp ºC – 12.5) / 1000

This is valid for 0-130ºF or -17.8- 54.4ºC

The following shows the approximate state of charge at various specific gravities at 77ºF / 25ºC.

Charged Specific Gravity
100% 1.265-1.275
75% 1.225-1.235
50% 1.190-1.200
25% 1.155-1.165
0% 1.120-1.130

Hydrometers are at best accurate to +/-0.005 points. Voltage can be used to estimate state of charge, however caution must be taken when interpreting voltage readings.



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