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Fluke authorized resellers shall extend this warranty on new and unused products to end-user customers only but have no authority to extend a greater or different warranty on behalf of Fluke. Warranty support is available only if product is purchased through a Fluke authorized sales outlet or Buyer has paid the applicable international price.
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Table of Contents Chapter Title Page Product Overview and Specifications ..........1-1 Introduction .................... 1-1 Contact Fluke ..................1-1 Product Overview .................. 1-1 Standard Equipment ................1-3 Safety Information ................. 1-5 Radio Frequency Data ................1-8 Keys and I/O Terminals ................. 1-8 LCD Display ..................
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BT521 Users Manual Create a Profile .................. 3-4 Edit a Profile ..................3-5 Edit a Profile During Creation ............3-5 Modify a Profile During Measurement ........... 3-5 Load a Profile ..................3-5 Load a Profile When Switched to Sequence Mode ....... 3-6 Load a Profile During Measurement in Sequence Mode ....
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Contents (continued) View Profiles Saved in Sequence Mode ..........5-3 Delete Profiles Saved in Sequence Mode ..........5-3 Connection to PC or Mobile Device ........... 6-1 Introduction .................... 6-1 Connect the Product to PC ..............6-1 Connect the Product to a Mobile Device ..........6-2 Maintenance ..................
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List of Tables Table Title Page 1-1. Standard Equipment .................. 1-3 1-2. Symbols ..................... 1-7 1-3. Keys ......................1-8 1-4. Typical Elements on the LCD Display ............1-10 4-1. Elements of the Interactive Test Probe ............. 4-2 4-2. Emissivity Table ..................4-3 4-3.
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List of Figures Figure Title Page 1-1. Standard Equipment .................. 1-4 1-2. I/O Terminals ..................... 1-9 2-1. Tilt Stand....................2-1 2-2. The Belt Strap ................... 2-2 3-1. Test Battery Internal Resistance and Voltage ........... 3-7 3-2. Connect Test Probe to Battery ..............3-8 3-3.
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Product Overview The Fluke BT521 Battery Analyzer (the Product) is a multifunctional meter designed for the test and measurement of a stationary battery system. The Product can measure the battery internal resistance and voltages. These measurements can be used to determine the overall condition of the system.
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Product automatically after AutoHold. • Fluke Battery Analyzer Software – Easily import data from the Product to a PC. The measurement data and battery profile information is stored and archived with the Analyzer Software and can be used for comparison and trend analysis. All measurement data, battery profile and analysis information can be used to easily generate reports.
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Product Overview and Specifications Standard Equipment Standard Equipment Items listed in Table 1-1 are included with the Product. Figure 1-1 shows the items. Table 1-1. Standard Equipment Item No. Description Quantity Mainframe BTL10, Basic Test Lead TL175, TwistGuard™ Test Leads ...
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BT521 Users Manual 600V 600A ZERO i410 CLAMP METER 600V hsz056.eps Figure 1-1. Standard Equipment Valuetesters.com Find Quality Products Online at: info@valuetesters.com...
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Product Overview and Specifications Safety Information Safety Information A Warning identifies conditions and procedures that are dangerous to the user. A Caution identifies conditions and procedures that can cause damage to the Product or the equipment under test. Warning To prevent possible electrical shock, fire, or personal injury: •...
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BT521 Users Manual • Avoid simultaneous contact with battery and frame racks or hardware that may be grounded. • Comply with local and national safety codes. Use personal protective equipment (approved rubber gloves, face protection, and flame-resistant clothes) to prevent shock and arc blast injury where hazardous live conductors are exposed.
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Product Overview and Specifications Safety Information See Table 1-2 for a list of symbols used in this manual and on the Product. Table 1-2. Symbols Symbol Description Symbol Description WARNING. RISK OF DANGER. AC (Alternating Current) See manual. WARNING.
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BT521 Users Manual Radio Frequency Data See the Radio Frequency Data for Class A file on the Fluke website. Keys and I/O Terminals Table 1-3 identifies and describes the keys. Table 1-3. Keys hsz001.eps Item Function Softkeys that work flexibly for various functions on the display.
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Product Overview and Specifications Keys and I/O Terminals Figure 1-2 shows the terminals of the Product. hsz002.eps Figure 1-2. I/O Terminals Valuetesters.com Find Quality Products Online at: info@valuetesters.com...
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BT521 Users Manual LCD Display The Product has an LCD display that shows different elements for each measurement function. Table 1-4 describes the typical elements for battery internal resistance measurement in Sequence mode. Table 1-4. Typical Elements on the LCD Display hsz055.eps Item Description...
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Specifications Specifications General Specifications Fuse Protection for Resistance ...... 0.44 A (44/100 A, 440 mA), 1000 V FAST Fuse, Fluke specified part only Power Supply Battery power ............BP500 smart battery pack: double cell lithium-ion, 7.4 V, 3000 mAh Battery life ............
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1 mV 3 % + 10 Amps dc/Amps ac (With 400 A 3.5 % + 2 accessory Fluke i410) Temperature 0 °C to 60 °C 1 °C 2 °C (typical) The measurement is based on ac injection method. The injected source signal is <100 mA, 1 kHz.
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Product Overview and Specifications Specifications Records Capacity Function Meter Mode Sequence Saved by test sequence with Battery Internal Resistance Up to 450 records in one profile time stamp, up to 999 records Display and save with battery Display and save with battery Battery Voltage internal resistance, up to 999 internal resistance, up to 450...
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Chapter 2 Setup Introduction This chapter describes how to set up the Product. Tilt Stand The Product has a tilt stand that lets you see the screen at an angle when placed on a flat surface. See Figure 2-1. hsz007.eps Figure 2-1.
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BT521 Users Manual Belt Strap Figure 2-2 shows how to use the belt strap of the Product. hsz031.eps Figure 2-2. The Belt Strap Valuetesters.com Find Quality Products Online at: info@valuetesters.com...
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Setup Adjust Display Contrast Adjust Display Contrast To adjust the display contrast: 1. Push to open the Setup menu. Contrast is already highlighted. 2. Push the – softkey to lighten contrast, or push the + softkey to darken contrast. Note If –...
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BT521 Users Manual 4. Use and to highlight the field to be edited. Use and L to increase or decrease value. 5. When the correct date and time is set, push the OK softkey. 6. Push the Back softkey to return to normal operation. To change the date format: 1.
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Setup Set Auto Power Off Time Warning To prevent possible electrical shock, fire, or personal injury, do not use the HOLD function to measure unknown potentials. When HOLD is turned on, the display does not change when a different potential is measured. To set AutoHold and AutoSave mode: 1.
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BT521 Users Manual View Device Information The Product provides the following device information: model number, serial number, version, analog board version, and calibration date. To view the device information: 1. Push to open the Setup menu. 2. Use L and to highlight General, and push the Select softkey. 3.
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Chapter 3 Use the Product Introduction This chapter provides information about how to use the Product. The Product provides two modes for different measurement purposes: Meter mode and Sequence mode. Meter mode lets you perform easy and fast measurements and save the measurement readings and timestamp to the Product memory.
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BT521 Users Manual hsz001.jpg hsz002.jpg To switch back to Meter mode: 1. Push M. 2. When the Back to METER mode? screen shows, push the Continue softkey. The measurement screen of Meter mode shows. Note All measurements taken in Sequence mode are saved to the memory.
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In this case the upper-left corner shows the profile name Fluke-ABC 500KVA-1-1. The PC software uses the same structure to categorize the profile. Fluke recommends that you always use the same profile name for one battery string for better analysis. The profiles are distinguished by their timestamps.
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7. Push the Start softkey to enter the measurement screen. Note • When the same battery string is tested periodically, Fluke recommends that the same profile name is used. In this way, test data can be archived and the data trend can be viewed easier.
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Use the Product Use a Profile in Sequence Mode Edit a Profile In Sequence mode, profiles can be edited during creation or during measurement. Edit a Profile During Creation To edit a profile during creation: 1. On the New Profile menu, use and L to highlight a data field to be edited. 2.
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BT521 Users Manual Load a Profile When Switched to Sequence Mode To load a profile when switched to Sequence mode: 1. On the Enter SEQUENCE mode? screen, push the Load softkey. The Load profile screen shows the list of history profiles in the Product memory. 2.
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Use the Product Make Measurements Make Measurements Test Battery Internal Resistance and Voltage The Product can simultaneously test the internal resistance and voltage of a battery. This helps you to understand the overall state of the battery health. The Product can also test strap resistance since upward changes could be caused by corrosion or loose connections.
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BT521 Users Manual Battery Test Probes To connect test probes to the battery pole: 1. Use the inner tip of the test probe to touch the target surface. 2. Push the test lead to set-back the inner tip, until both the inner tip and the outer tip are fully connected to the target surface.
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Use the Product Make Measurements View Test Readings on the Screen This is a typical display of battery test in Meter mode. hsz028.jpg This is a typical display of battery test in Sequence mode: hsz031.jpg Battery number: Indicates the number of the battery that has been tested. Progress bar: The progress bar is generated according to the total number of batteries in the profile.
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BT521 Users Manual Measure Strap resistance in sequence mode A strap string is created right behind battery string automatically in the same profile. The strap number equals to battery number. Push the Strap softkey to switch to strap string test. The display shows to indicate strap string.
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Use the Product Make Measurements The Product lets you define upper and lower measurement thresholds or tolerance ranges. These defined threshold values are then compared to the measured values to automatically identify and prompt the user with a PASS, FAIL or WARN indicator of battery out of tolerance conditions.
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BT521 Users Manual How the Thresholds Work When a threshold set is applied, the Product compares each resistance reading with the resistance reference in the current threshold set. • If the reading is greater than reference x (1+Fail threshold) or less than the resistance lower limit, the comparison result is FAIL, indicating that the tested battery is potentially compromised and should be further investigated.
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Use the Product Make Measurements Typical Display This is a typical display of discharge voltage measurement. hsz052.jpg Progress bar: Indicates the number of the battery that is being tested. Battery ID and Total Number: The number to the left of / indicates the ID of the battery that has been tested.
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BT521 Users Manual Measure DC Voltage The Product can measure dc voltage. It also shows the polarity on the display. To measure dc voltage, turn the rotary switch to . See Figure 3-3 for connections. Save hsz019.eps Figure 3-3. Measure DC Voltage Set Measurement Range In this measurement mode, auto range is used by default.
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Use the Product Make Measurements Measure AC Voltage The Product supplies two independent readings to show the rms and frequency of ac voltage. To measure ac voltage, turn the rotary switch to . See Figure 3-4 for connections. hsz021.eps Figure 3-4. Measure AC Voltage Measurement Range The ac voltage measurement has only one range: 600 V.
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BT521 Users Manual Measure Ripple Voltage The Product can measure the ac component on a dc voltage, which is also known as ac ripple. A high ac ripple may result in a battery overheat and negatively impact the battery life. In addition, it may cause extra energy loss to the system. To measure ripple voltage, turn the rotary switch to RIPPLE VOLTS.
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Make Measurements Measure Current (AUX Function) The Product can measure current (dc and ac) contactless with the BTL_A adapter and the Fluke i410 Current Clamp. To measure current, turn the rotary switch to AUX. See Figure 3-5. hsz054.eps Figure 3-5. AUX function Set Measurement Range In AUX function, both ac current and dc current use a fixed 400 A range.
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BT521 Users Manual Measure Voltage with TL175 With the TL175 test lead, the Product can measure Discharge Volts, VDC, VAC, and Ripple Volts. To measure voltage: 1. Connect TL175 to the BTL_A adapter. 2. Connect the BTL_A adapter to the Product. 3.
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Chapter 4 Use the BTL21 Interactive Test Probe Introduction This Product is shipped with a BTL21 Interactive Test Probe. This chapter describes how to use the interactive test probe. BTL21 Overview Warning To prevent possible electrical shock, fire, or personal injury, hold the handle behind the tactile barrier ().
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BT521 Users Manual Table 4-1. Elements of the Interactive Test Probe Item No. Name Function Shows information such as measurement readings and battery Display Indicates the status of a measurement. Green means Pass; LED indicator orange means Warning; red means Fail. Save button Manually saves a measurement reading.
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Use the BTL21 Interactive Test Probe Configure the Interactive Test Probe on the Product Set Emissivity Value Emissivity describes the energy-emitting characteristics of materials. Most organic materials and painted or oxidized surfaces have an emissivity of approximately 0.95, which is the default setting for the Product. Battery posts or terminals may require a different emissivity setting.
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BT521 Users Manual hsz059.jpg hsz060.jpg hsz061.jpg hsz062.jpg Note The default emissivity value is 0.95. Available emissivity value is between 0.10 and 1.00. Valuetesters.com Find Quality Products Online at: info@valuetesters.com...
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Use the BTL21 Interactive Test Probe Turn On/Off Power Turn On/Off Power The interactive test probe is powered by the Product. When the interactive test probe is connected to the Product, it automatically turns on. Push the power key below the probe display to turn on or turn off the power of the interactive test probe.
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BT521 Users Manual Long and Short Extenders Figure 4-2 shows how to interchange the long and short extenders. hsz024.eps Figure 4-2. Long and Short Extenders Note To get accurate readings, the connectors between handles and extenders should be fully fastened. Valuetesters.com Find Quality Products Online at: info@valuetesters.com...
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Use the BTL21 Interactive Test Probe Replace the Probe Tips Replace the Probe Tips Figure 4-3 shows how to replace the probe tips. Warning To prevent possible electrical shock, fire, or personal injury, use correct tip covers (CAT II or CAT III) in different CAT environments.
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BT521 Users Manual Zero Calibration A zero calibration is required each time after a test probe is replaced. To do zero calibration: 1. Locate the zero calibration board on a flat surface horizontally. See Figure 4-4. 2. Set zero calibration in the Setup menu. Push .
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Use the BTL21 Interactive Test Probe Measure Temperature Measure Temperature The black extenders (long and short) of the BTL21 Interactive Test Probe each has an IR temperature sensor. The IR temperature sensors can measure the temperature of battery poles (negative pole). To measure the temperature of a battery pole: 1.
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Chapter 5 View Memory Introduction This chapter provides information about how to view measurement data that is manually or automatically saved to the Product memory. The Product has an internal memory that stores measurement data that can be viewed. Measurement data in Meter mode and Sequence mode shows separately. The total memory usage can be viewed in the Setup menu.
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BT521 Users Manual Delete Data Saved in Meter Mode To delete data saved in meter mode: 1. Turn the rotary switch to VIEW memory. 2. Push M until MEMORY – METER shows on the upper left corner of the display. 3.
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View Memory View Profiles Saved in Sequence Mode View Profiles Saved in Sequence Mode To view measurement data that is saved in Sequence mode: 1. Turn the rotary switch to VIEW memory. 2. Push M until MEMORY – SEQUENCE shows on the upper left corner of the display. The Load profile menu shows on the display.
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BT521 Users Manual hsz066.jpg hsz067.jpg 4. When the display shows Confirm to delete all profiles?, push the Delete softkey. Valuetesters.com Find Quality Products Online at: info@valuetesters.com...
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Chapter 6 Connection to PC or Mobile Device Introduction This chapter contains information about how to connect the Product to a PC or mobile device. Connect the Product to PC The Product has a USB port that lets you connect the Product to a PC via a USB cable. See Figure 6-1.
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1. Push on the Product. The corresponding F icon shows on the upper bar of the display. 2. Run the Fluke battery application on the mobile device. The mobile device shows a list of found results. 3. Click the Product name to establish the connection.
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Do not use any charger other than that specifically provided for use with the Product. • Do not use any battery which is not designed or recommended by Fluke for use with the Product. • Remove all probes, test leads, and accessories before the battery door is opened.
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• Connect the battery charger to the mains power outlet before the Product. • Use only Fluke approved power adapters to charge the battery. • Keep cells and battery packs clean and dry. Clean dirty connectors with a dry, clean cloth.
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Maintenance Install or Replace the Battery Pack Install or Replace the Battery Pack Warning Never operate the Product with the Battery Cover removed. Hazardous voltage exposure may occur. To install or replace a Battery Pack: 1. Make sure the Product is off. 2.
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BT521 Users Manual Replace the Fuse Warning To prevent possible electrical shock, fire, or personal injury: • Use only specified replacement fuses. • Replace a blown fuse with exact replacement only for continued protection against arc flash. To replace the fuse: 1.
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Maintenance Clean the Product Clean the Product Warning For safe operation and maintenance of the Product, disconnect the Product and its accessories from all voltage sources during cleaning. Clean the Product with a damp cloth and a mild soap. Do not use abrasives, solvents, or alcohol.
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Maintenance Parts and Accessories Parts and Accessories Table 7-1 lists the user-replaceable parts and accessories. To order replacement parts Table 7-1. Parts and Accessories Fluke Part Item No. Description Quantity Number BTL10, Basic Test Lead TL175, TwistGuard™ Test Leads ...
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