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Elk Battery LifeTester

Price:
$189.93
SKU:
BLT3
Brand:
Weight:
5.00 LBS
Shipping:
Calculated at checkout


Elk Battery LifeTester Product Description and Specifications

Battery LifeTester
ELK-BLT v.3     Mhos Meter  Life Tester
The NEW and improved ELK-BLT v.3 Battery Life Tester is a compact, easy to use Mhos Meter for testing 12 Volt rechargeable batteries. Unlike ordinary testers which only measure static criteria, the Life Tester measures internal conductivity, which is the best indicator of a battery’s health and life expectancy. The conductivity value, expressed in Mhos (the inverse of Ohms or resistance), is easily compared to benchmark readings from the included Mhos Chart. The chart then categorizes the battery condition as “Best, Good, Weak, or Bad”. Every battery type has a characteristic Mhos value when it is brand new and fully charged. The Life Tester is powered by the battery under test and automatically warns when the battery voltage is too low for testing.

Self-adhesive test data labels are included which can be placed on each new battery to record battery measurements for future tests.
Additional test data labels are available.
Re-Order ELK-BLT LABELS (100 pcs).

FEATURES:
• Compact, Low cost, and easy to use.
• Does not discharge or damage the battery.
• Analyzes 12 Volt Rechargeable Batteries.
• Warns if battery voltage is too low.
• Replaceable test leads.
• Includes Padded Carrying Case.
• Includes Self-Adhesive Test Data Labels.
• Lifetime Limited Warranty
• Numeric LED display shows battery voltage, and Mhos reading.

SPECIFICATIONS:
• Operating Voltage:
• Current Draw:
• Battery Leads: 
• Enclosure Size:
10V - 14 Volts D.C.
1.1 Amps Max., 0.0016Ah for full test
~12 Inches
4.4" W x 3" H x 1.15" D   (111.8mm x 76.3mm x 29.2mm) w/o carrying case

How Temperature affects a Battery
Generally speaking, temperatures below 72F degrees tend to slow down a battery’s internal activity, causing a significant decrease in the Mhos (conductivity) reading as the temperature falls. Cool temperatures (not below freezing) will tend to prolong a battery’s life. Temperatures above 72F cause a battery’s internal activity to accelerate, but with only a slight increase in the Mhos reading. Warm temperatures will tend to dry out and degrade a battery much faster than normal.

100 F degrees = 105 % of normal Mhos (conductivity)
  72 F degrees =    0 % no adjustment
  62 F degrees =  92 % of normal Mhos (conductivity)
  52 F degrees =  87 % of normal Mhos (conductivity)
  42 F degrees =  82 % of normal Mhos (conductivity)
  32 F degrees =  76 % of normal Mhos (conductivity)

 

Battery Mhos Chart
@ 72 Degrees F  Mhos Mhos  Mhos Mhos
Ah Size  BAD WEAK  GOOD BEST
.8 Ah 0 - 19 20 - 21 22 - 24 25+
1.3 Ah 0 - 24 25 - 28 29 - 31 32+
2.3 Ah 0 - 40 41 - 45 46 - 51 52+
2.6 Ah 0 - 44 45 - 50 51 - 57 58+
3.0 Ah 0 - 48 49 - 55 56 - 62 63+
3.3 Ah 0 - 49 50 - 57 58 - 64 65+
4.0 Ah 0 - 64 65 - 73 74 - 83 84+
4.5 Ah 0 - 73 74 - 83 84 - 94 95+
5.0 Ah 0 - 76 77 - 87 88 - 96 99+
7.0 Ah 0 - 139 140 - 159 160 - 179 180+
7.5 Ah 0 - 153 154 - 175 176 - 197 198+
8.0 Ah 0 - 157 158 - 179 180 - 202 203+
10.0 Ah 0 - 185 186 - 211 212 - 238 239+
12.0 Ah 0 - 192 193 - 219 220 - 247 248+
17.0 Ah 0 - 265 266 - 303 304 - 341 342+
18.0 Ah 0 - 279 280 - 319 320 - 359 360+
24.0 Ah 0 - 321 322 - 367 368 - 413 414+
25.0 Ah 0 - 328 329 - 375 376 - 422 423+
26.0 Ah 0 - 335 336 - 383 384 - 431 432+
 Adding to the Battery Mhos Chart
If the battery you are trying to test is not included in the Battery Mhos Chart it may be necessary to research and generate the data on your own. The following procedure will help with this task. Start with 2 or 3 fresh new batteries out of the box. The battery voltage should be around 12.6 Volts or higher. Place the batteries in service (on charge) for 24 hours. Remove them from charge and measure the Mhos reading of each one. Average the readings together. This will be the baseline number from which the Best, Good, Weak, and Bad columns are calculated. The “Best” column will be 90% of the baseline number. The first and second numbers in the “Good” column are 80% and 89% of the baseline. The first and second numbers in the “Weak” column are 70% and 79% of the baseline. The “Bad” column is 0% and 69% of the baseline.

LifeTester is a registered Trademark of Elk Products


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