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120149-2001 QuickCable Plastic Hydrometer Battery Tester (Each)

120149-2001 QuickCable Plastic Hydrometer Battery Tester
 
Price $5.22


Product Code: 120149-2001
Qty:

Description Prop65
 
Full Size Hydrometer Battery Tester, Designed to test the concentration of the battery acid in non-sealed batteries. Larger Print Easier To Read, accurate indications on battery charge status and battery condition. Plastic Construction For Commercial Applications. Professional Quality For Highest Accuracy. Precision Graduated Specific Gravity Float.
Product Features
  • Full Size Hydrometer Battery Tester
  • Larger Print Easier To Read
  • Plastic Construction For Commercial Applications
  • Professional Quality For Highest Accuracy
  • Precision Graduated Specific Gravity Float

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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