Sealey BT2012 Digital Battery & Alternator Tester with Printer 12V User Manual

1. Introduction

The Sealey BT2012 Digital Battery & Alternator Tester with Printer is designed for fast and accurate diagnosis of 12V vehicle battery and alternator faults. This device provides clear, decision-making information regarding the status of the charging and starting systems, with the added convenience of printing results for record-keeping or customer reports. It operates effectively on batteries with a residual charge as low as 1.5V.

Figure 1: The Sealey BT2012 Digital Battery & Alternator Tester. This image shows the grey and black tester unit with its integrated printer, LCD screen displaying test results, and red and black battery clamps connected to the unit.

2. Safety Information

Always observe the following safety precautions when using the Sealey BT2012 tester to prevent personal injury or damage to the equipment or vehicle.

• Wear appropriate eye protection and protective clothing when working near vehicle batteries.
• Ensure the vehicle is in a well-ventilated area to disperse any battery gases.
• Avoid sparks or open flames near the battery.
• Do not touch the battery terminals or clamps with bare hands while testing.
• Ensure the tester clamps are securely attached to the correct battery terminals (red to positive, black to negative) before proceeding with any test.
• Keep the tester dry and clean. Do not expose it to rain or moisture.
• Do not attempt to disassemble or repair the unit yourself. Refer to qualified service personnel.

3. Product Overview

The BT2012 tester features a robust design for automotive workshop environments. Key components include:

• Large LCD Display: Provides clear, easy-to-read test results and menu options.
• Integrated Thermal Printer: Allows for instant printouts of test results.
• Control Buttons: Intuitive navigation and selection of test functions.
• Heavy-Duty Battery Clamps: Durable red (positive) and black (negative) clamps for secure connection to battery terminals.
• Rubber Protective Cover: Enhances grip and provides protection against impacts.

Figure 2: Key features of the Sealey BT2012. This image highlights the large LCD display, the facility to print results, the heavy-duty rubber cover for better grip, and the easy-to-use control buttons.

4. Setup

Before performing any tests, ensure the unit is ready for operation.

1. Inspect the Unit: Check the tester, cables, and clamps for any signs of damage. Do not use if damaged.
2. Install Printer Paper: Open the printer cover and insert a new roll of thermal paper, ensuring it feeds correctly. Close the cover securely.
3. Prepare the Vehicle: Ensure the vehicle's ignition is off and all accessories are turned off. The battery terminals should be clean and free of corrosion for accurate readings.

5. Operating Instructions

The BT2012 offers tests for the battery, starter, and alternator. Follow these steps for accurate diagnostics.

5.1. Connecting the Tester

1. Connect the red positive (+) clamp to the positive battery terminal.
2. Connect the black negative (-) clamp to the negative battery terminal.
3. The tester will power on automatically once connected.

5.2. Selecting a Function

Upon power-up, the LCD will display the main menu, allowing you to select the desired test function.

Figure 3: The tester's LCD screen displaying the 'SELECT FUNCTION' menu. Options shown are 'TEST BATTERY', 'TEST STARTER', and 'TEST ALTERNATOR'.

1. Use the arrow buttons to navigate through the options: TEST BATTERY, TEST STARTER, TEST ALTERNATOR.
2. Press the 'Enter' button (usually indicated by a checkmark or similar symbol) to confirm your selection.

5.3. Battery Test

1. Select TEST BATTERY from the main menu.
2. The tester will prompt you to enter battery type (e.g., Regular Flooded, AGM Flat Plate, AGM Spiral, GEL) and Cold Cranking Amps (CCA) rating. Use the arrow buttons to adjust values and 'Enter' to confirm.
3. The test will run automatically. The LCD will display results such as voltage, internal resistance (IR), CCA, and a health status (e.g., 'GOOD', 'REPLACE', 'CHARGE & RETEST').

5.4. Starter Test

1. Select TEST STARTER from the main menu.
2. Follow the on-screen prompts, which will instruct you to start the vehicle.
3. The tester will measure the cranking voltage and time. Results will indicate the starter's performance.

5.5. Alternator Test

1. Select TEST ALTERNATOR from the main menu.
2. Follow the on-screen prompts, which will instruct you to start the vehicle and possibly rev the engine to a specified RPM.
3. The tester will measure the charging voltage under load and no-load conditions. Results will indicate if the alternator is charging correctly.

5.6. Printing Results

After any test, the option to print the results will typically appear on the screen. Press the 'Print' button (often indicated by a printer icon) to generate a physical record.

Figure 4: A close-up view of the Sealey BT2012 tester showing a printout being generated from the integrated thermal printer. The printout displays battery test results including battery type, voltage, internal resistance, CCA, and health status.

6. Maintenance

• Cleaning: Wipe the unit with a soft, dry cloth. Do not use abrasive cleaners or solvents.
• Storage: Store the tester in a clean, dry environment away from direct sunlight and extreme temperatures.
• Printer Paper: Replace the thermal paper roll when it runs out. Use only compatible thermal paper.
• Cable and Clamp Inspection: Regularly inspect the cables and clamps for wear, cuts, or corrosion. Replace if damaged.

7. Troubleshooting

8. Specifications

9. Warranty and Support

For warranty information, technical support, or service inquiries regarding your Sealey BT2012 Digital Battery & Alternator Tester, please refer to the warranty card included with your product or visit the official Sealey website. Contact details for customer service are typically available on the product packaging or the manufacturer's website.