Midtronics SCP 6/12 User manual

6 V Low = 6.00 V 6 V High = 6.90 V
battery in degraded condition. an indication of a good battery, and a low measurement indicates a siemens (S). In general, a high relative conductance measurement is capacity. The SecurePower 6/12 displays the conductance value in tance is a relative measure of a battery’s ability to meet its rated DC voltage is a measure of a battery’s electrical potential. Conduc­discharge capacity. rated between 1.2 and approximately 50 ampere hours (Ah) of current voltage (Vdc) and conductance for any 6 or 12 volt battery The Midtronics SecurePower 6/12 measures and displays the direct
CONDUCTANCE AND VOLTAGE MEASUREMENTS
12 V Low = 12.00 V
its specified operating range may permanently damage it. CAUTION: Attempting to operate the SecurePower 6/12 beyond
Siemens Range: 20 to 1200 S
Limits: 12 V High = 13.80 V
Voltage Test Operating Temperature: –18 to 50 °C (0 to 120 °F) Voltage Accuracy: +/–50 mV across operating range Voltmeter Operating Range: +6.0 to +19.99 Vdc
SECUREPOWER 6/12 SPECIFICATIONS
to use anywhere, and it is sized to take everywhere! created during testing. This makes the SecurePower 6/12 safe put a load on the battery, which means no heat or sparks are
the battery’s true state of health. A conductance tester does not Using conductance, Midtronics testers are able to determine
other visible signs of defects/problems. battery for a bulging case, leakage, cracks in the case, or
as rings, bracelets, necklaces, watches, etc.
should be worn. extreme caution when working with batteries. Safety glasses
ing maintenance.
!
SAFETY PRECAUTIONS
For service, contact Midtronics for a Return Authorization number, and return the unit to Midtronics freight prepaid, Attention: RA#. Midtronics will repair or replace the tester and reship, the next scheduled business day following receipt, using the same type carrier and service as received. If Midtronics determines that the failure was caused by misuse, alteration, accident, or abnormal condition of operation or handling, purchaser will have the option of purchasing a replacement tester or the unit will be returned freight collect. Battery testers beyond the warranty period are subject to the repair charges in effect at that time.
This tester is made in the U.S.A. by MIDTRONICS, INC. and is protected by one or more of the following U.S. Patents: 6,323,650; 6,316,914; 6,304,087; 6,249,124; 6,172,505 B1; 6,163,156; 6,091,245; 6,051,976; 5,914,605; 5,831,435; 5,821,756; 5,757,192; 5,598,098; 5,592,093; 5,585,728; 5,574,355; 5,572,136; 5,343,380; 5,140,269; 4,912,416; 4,881,038; 4,825,170; 4,816,768; 4,322,685; Canadian patents: 1,280,164; 1,295,680; United Kingdom patents: 0,417,173; 0,672,248; German patents: 689 23 281.0-08; 693 25 388.6; 93 21 638.6; and other U.S. and Foreign patents issued and pending. This product may utilize technology exclusively licensed to Midtronics, Inc. by Johnson Controls, Inc. and/or Motorola, Inc.
Service
Patents
To determine if the battery can be safely tested, inspect the
To avoid electrical shock, remove personal metal items such
Because of the possibility of personal injury, always use
Always comply with facility safety standards when perform-
of the battery to deliver current. defects, shorts, and open circuits, which will reduce the ability to perform. In addition, conductance can be used to detect cell sulfate or shed active material which adversely affects its ability the battery can supply. As a battery ages, the plate surface can in the battery, which determines how much power (or current) Conductance is a measurement of the plate surface available
Conductance Technology:
quickly, and accurately test a battery anywhere. relative battery state of health. This means you can safely, Midtronics patented conductance technology to determine The Midtronics SecurePower 6/12 battery tester uses
SecurePower 6/12 Testing Advantage:
This battery tester is warranted to be free of defects in materials and workmanship for a period of one year from the date of purchase. Midtronics will, at our option, repair the unit or replace the unit with a remanufactured tester. This limited warranty applies only to Midtronics battery testers and does not cover any other equipment, static damage, water damage, overvoltage, dropping unit or damage resulting from extraneous causes including owner misuse. Midtronics is not liable for any incidental or consequential damages for breach of this warranty. The warranty is void if owner attempts to disassemble the unit, or to modify the cable assembly.
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Limited Warranty
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P/N 168-850B 12/04 ©2004 Midtronics, Inc.
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ESTABLISHING A CONDUCTANCE REFERENCE VALUE
SECUREPOWER 6/12 KEYPAD AND LEDS
Battery performance is temperature dependent. Allow the batteries to reach room temperature before testing—ideally around 25 °C (77 °F). (Refer to the Battery Temperature Compensation Scales below for the compensation factor.)
Because conductance is a relative measure, you must first establish a reference value by testing a sample number of new batteries. To establish a reference value, record the average of at least 10 fully­charged batteries of the same or similar models, preferably within 90 days of their installation. Midtronics recommends that the batteries should all test within 20% of each other (+/–10% of the average). (Consult your battery supplier for conductance standards.) If new batteries are not available, record the average of installed batteries of the same or similar models regardless of age. If the installed batteries test within 10% of each other, the highest value can be used as a temporary reference until new batteries are available for testing.
Example: Within 90 days of installation, measure a sample of 20 new batteries (12 V, 17 Ah) that average 300 S each when fully charged. Conductance will decline as a battery ages. The amount of acceptable loss will depend on the type of application for which the battery is used. As a general rule:
<<
<30% loss = Strong Battery—no significant capacity loss
<<
(300 x 0.70 or more 210 S)
30 to 40% loss = Marginal Battery—nearing the end of its
serviceable life (180 to 210 S)
>>
>40% loss = Degraded Battery—may not meet the required
>>
load (300 x 0.60 or less 180 S)
Consult your battery supplier to ensure that the rated battery capacity is sufficient for the applicable equipment runtime while allowing for the appropriate aging factor of the batteries.
BATTERY TEMPERATURE COMPENSATION SCALES
Multiply SecurePower
Battery Temperature
35 °C (95 °F) or warmer 0.930 30 °C (86 °F) 0.965 25 °C (77 °F) 1.000 20 °C (68 °F) 1.035 15 °C (59 °F) 1.070 10 °C (50 °F) 1.105
5 °C (41 °F) 1.140 0 °C (32 °F) or colder 1.175
Examples:
Using a reference value of 300, the SecurePower 6/12 reports 63%, 190 S. If the battery temperature is 35 °C (0.63 x 0.93 = 0.59 or 59%), the battery should be replaced.
Again using a reference value of 300, the SecurePower 6/12 reports 63%, 190 S. If the battery temperature is 0 °C (0.63 x 1.175 = 0.74 or 74%), the battery is good.
%Ref. Value by
UP ARROW: Press for 12-volt batteries and to scroll to the reference value (20 to 600 siemens).
ENTER: Press
VOLTMETER: Press at any time to read DC voltage
DOWN ARROW: Press for 6-volt batteries and to scroll to the reference value (20 to 1200 siemens).
The red LEDs above the keypad indicate the test mode and the numerical value shown on the display (voltage, siemens, and percent of reference). You can use the SecurePower 6/12 as a voltmeter at any point in the test procedure by pressing the VOLTMETER button.
BATTERY TEST PROCEDURE
1. Disconnect the battery from the system.
2. Connect the tester clamps to the battery: red to positive (+), black to negative (–).
3. Select the voltage by pressing the UP ARROW button for 12 volts or the DOWN ARROW button for 6 volts. Press ENTER.
4. Scroll to the reference value by pressing the UP or DOWN ARROW buttons. Press ENTER. (The tester will default to the last reference value entered.)
5. Start the test by pressing ENTER. A series of dots will flash on the display while the SecurePower 6/12 measures conductance and voltage, and calculates a percentage of reference.
6. The first value displayed is the percentage of reference.
7. To display the actual conductance value (S), press and hold the ENTER button.
8. To display voltage, press the VOLTMETER button.
TROUBLESHOOTING
TOO LO: The battery’s voltage is below the specified operating range
(< 6.00 V for a 6 V battery or <12.00 V for a 12 V battery).
Note: If the battery is below 5.5 V the tester will not operate. TOO HI: The battery’s voltage is above the specified operating range
(> 6.90 V for a 6 V battery or >13.80 V for a 12 V battery). 999 (or 9999 when ENTER is pressed): The battery has exceeded the
range specified. Refer to SecurePower 6/12 Specifications on the back of the manual for the tester’s operating range.
to select the reference value, to start the test, and to display conductance in siemens (S)
Excessive electromagnetic interference may cause the tester to reset. If the tester resets during testing, simply disconnect it from the battery, reconnect and start the test process again.
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