Napa BK 700-2602 Instruction Manual
The Napa BK 700-2602 is a versatile automotive digital multimeter designed for various electrical measurements. It features auto-ranging for simplified operation, a large LCD display for easy readability, and multiple functions including DC/AC voltage, DC/AC current, resistance, capacitance, frequency, duty cycle, diode test, continuity, temperature, RPM, and dwell angle.
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SAFETY INFORMATION The following safety information must be observed to insure maximum personal safety during the operation of this meter: AUTOMOTIVE DIGITAL MULTIMETER Do not use the meter if the meter or test leads look damaged, or if you suspect that the meter is not operating Model BK 700-2602 properly. INSTRUCTION MANUAL Never ground yourself when taking electrical measurements. Do not touch exposed metal pipes, outlets, fixtures, etc., which might be at ground potential. Keep your body isolated from ground by using dry clothing, rubber shoes, rubber mats, or any approved insulating material. Turn off power to the circuit under test before cutting, unsoldering, or breaking the circuit. Small amounts of current can be dangerous. Use caution when working above 60V dc or 30V ac rms. Such voltages pose a shock hazard. When using the probes, keep your fingers behind the finger guards on the probes. Measuring voltages which exceed the limits of the multimeter may damage the meter and expose the operator to a shock hazard. ¦¸ Always recognize the meter voltage limits as stated on the front of the meter. 17 18 Never apply voltage or current to the meter which exceeds may result in damage to the product. the specified maximum: Input Limits Function V DC or V AC mA DC/AC A DC/AC Frequency, Resistance, Capacitance, Duty Cycle, Diode test, Continuity Maximum Input 1000V DC, 750V AC 400mA DC/AC 10A DC/AC (30 seconds max every 15 minutes) 250V DC/AC MAX 500V This symbol advises the user that the terminal(s) so marked must not be connected to a circuit point at which the voltage with respect to earth ground exceeds (in this case) 500 VAC or VDC. This symbol adjacent to one or more Temperature RPM,DWELL,Period, Pulse terminals identifies them as being associated width with ranges that may, in normal use, be subjected to particularly hazardous voltages. SAFETY SYMBOLS For maximum safety, the meter and its test This symbol adjacent to another symbol, leads should not be handled when these terminal or operating device indicates that terminals are energized. the operator must refer to an explanation in the Operating Instructions to avoid personal injury or damage to the meter. WARNING This WARNING symbol indicates a potentially hazardous situation, which if not avoided, could result in death or serious injury. CAUTION This CAUTION symbol indicates a potentially CONTROLS AND JACKS hazardous situation, which if not avoided, 17 1 18 7 8 6 9 10 11 2 ¦¸ 5 3 4 1. Large 4000 count Liquid Crystal SYMBOLS AND ANNUNCIATORS Display with symbolic signs. 2. Function switch 3. Positive (+) input jack for Continuity BAT Low Battery Diode DC/AC Voltage, DC/AC μA /mA current, Hz/%duty cycle, Ohms, Diode, Continuity, Capacitance, DATA HOLD Data Hold AUTO Auto-Ranging AC Alternating Current or Voltage DC Direct Current or Voltage Temperature (℃ or ℉) Measurements, RPM, DWELL, SPECIFICATIONS Period, Pulse Width 4. COM (negative) input jack. The instrument complies with: IEC 1010-1 EN61010-1. 5. 10A (positive) input jack for Insulation: Class 2, Double insulation. 10A DC or AC measurements. Overvoltage category: CATIII 600V. 6. Frequency/Duty Cycle button. Display: 4000 counts LCD display with function indication. 7. Range pushbutton. 8. Relative pushbutton. 9. Data Hold and backlight pushbutton. 10. Mode pushbutton. 11. Temperature ℃/℉ pushbutton. Polarity: Automatic, (-) negative polarity indication. Overrange: “OL” mark indication. Low battery indication: The “BAT” is displayed when the battery voltage drops below the operating level. Measurement rate: 2 times per second, nominal. Auto power off: Meter automatically shuts down after approx. 17 18 8CYL 15 minutes of inactivity. 0~45.0° +2.5% of rdg + 4 dgts Operating environment: 0 oC to 50 oC (32 oF to 122 oF) at < 70 % relative humidity. Storage temperature: -20 oC to 60 oC (-4 oF to 140 oF) at < 80 % relative humidity. For inside use, max height: 2000m Pollution degree: 2 Power: One 9V battery , NEDA 1604, IEC 6F22. Dimensions: 146 (H) x 66.2 (W) x 41.5 (D) mm Overload protection: 250V dc or ac rms. DC Voltage (Auto-ranging) Range 400.0mV 4.000V 40.00V 400.0V 1000V Resolution 0.1mV 1mV 10mV 100mV 1V Accuracy ±0.5% of rdg± 2 dgts +1.5% of rdg + 2 dgts ±1.8% of rdg± 2 dgts Input Impedance: 10MΩ. Weight: Approx.: 200g. Accuracy is given at 18 oC to 28 oC (65 oF to 83 oF), Maximum Input: 1000V dc or 750V ac rms. less than 70 % RH RPM (Tach) Cylinder 2CYL 4CYL 5CYL 6CYL 8CYL AC Voltage (Auto-ranging except 400mV) Range 500~10000RPM Resolution Accuracy 10 RPM +2.5% of rdg + 4 dgts Overload protection: 250V dc or ac rms. Range 0~180.0° 0~90.0° 0~72.0° 0~60.0° Resolution 0.1mV 1mV 10mV 100mV 1V Accuracy ±1.5%of rdg ± 30 dgts ±1.0% of rdg ± 3 dgts ±1.5% of rdg±3 dgts ±2.0% of rdg±4 dgts Input Impedance: 10MΩ. DWELL ANGLE Cylinder 2CYL/DIS 4CYL 5CYL 6CYL Range 400.0mV 4.000V 40.00V 400.0V 750V Frequency Range: 50 to 400Hz Resolution 0.1° Accuracy Maximum Input: 1000V dc or 750V ac rms. DC Current (Auto-ranging for uA and mA) Range 17 Resolution 18 Accuracy 400.0uA 4000uA 40.00mA 400.0mA 4A 10A 0.1uA 1uA 10uA 100uA 1mA 10mA ±1.0% of rdg±3 dgts ±1.5% of rdg±3 dgts ±2.5% of rdg±5 dgts 4.000MΩ 40.00MΩ 1kΩ 10kΩ ±2.0% of rdg±3 dgts Input Protection: 250V dc or 250V ac rms. Capacitance (Auto-ranging) Range 40.00nF 400.0nF 4.000uF 40.00uF Resolution 10pF 0.1nF 1nF 10nF Accuracy ±5.0% of rdg±7 dgts AC Current (Auto-ranging for uA and mA) 100.0uF 0.1uF ±5.0% of rdg±5 dgts Range 400.0uA 4000uA 40.00mA 400.0mA 4A 10A Accuracy ±1.5% of rdg±5 dgts Input Protection: 250V dc or 250V ac rms. +1.8% of rdg + 5 dgts Range 9.999Hz 99.99Hz Resolution 0.001Hz 0.01Hz Frequency Range: 50 to 400 Hz 999.9Hz 9.999kHz 99.99kHz 999.9kHz 0.1Hz 1Hz 10Hz 100Hz +1.2% of rdg + 3 dgts Maximum Input: 400mA dc or 400mA ac rms on uA / mA 9.999MHz 1kHz ±1.5% of rdg±4 dgts Overload Protection: 0.5A / 250V and 10A / 250V Fuse. Maximum Input: 400mA dc or 400mA ac rms on uA / mA ranges, 10A dc or ac rms on 10A range. Resolution 0.1uA 1uA 10uA 100uA 1mA 10mA +3.0% of rdg + 5 dgts Frequency (Auto-ranging) +3.0% of rdg + 7 dgts Overload Protection: 0.5A / 250V and 10A / 250V Fuse. ranges, 10A dc or ac rms on 10A range. Accuracy ±1.5% of rdg±5 dgts Sensitivity: <0.5V RMS while ≤1MHz ; Sensitivity: >3V RMS while >1MHz ; Overload protection: 250V dc or ac rms. Resistance (Auto-ranging) Range 400.0Ω 4.000kΩ 40.00kΩ 400.0kΩ Resolution 0.1Ω 1Ω 10Ω 100Ω Accuracy ±1.2% of rdg±4 dgts ±1.0% of rdg±2 dgts ±1.2% of rdg±2 dgts 17 Duty Cycle Range 0.1%~99.9% Resolution 0.1% Pulse width: >100us, <100ms; 18 Accuracy ±1.2% of rdg±2 dgts OPERATION Frequency width: 5Hz – 150kHz Sensitivity: <0.5V RMS WARNING: Risk of electrocution. High-voltage circuits, Overload protection: 250V dc or ac rms. both AC and DC, are very dangerous and should be Period measured with great care. Range 2.0~ 20.0ms Resolution 0.1ms Accuracy ±3% of rdg±10 dgts Overload protection: 250V dc or ac rms. when the meter is not in use. This meter has Auto OFF that automatically shuts the meter OFF if 15 minutes elapse Pulse Width Range 2.0~ 10.0ms 1. ALWAYS turn the function switch to the OFF position Resolution 0.1ms Accuracy ±3% of rdg±10 dgts Overload protection: 250V dc or ac rms between uses. 2. If “OL” appears in the display during a measurement, the value exceeds the range you have selected. Change to a Temperature Resolution Accuracy oRange o o -20 C~+760 C 1 C +3% of rdg +3dgts o o o -4 F~+1400 F 1F (Meter only, probe accuracy not included) higher range. NOTE: On some low AC and DC voltage ranges, with the test leads not connected to a device, the display may show a Sensor: Type K Thermocouple random, changing reading. This is normal and is caused by Diode Test the high-input sensitivity. The reading will stabilize and give Test current 0.3mA typical Resolution 1 mV Accuracy ±10% of rdg±5 dgts Open circuit voltage: 1.5V dc typical a proper measurement when connected to a circuit. MODE BUTTON To select DC/AC Voltage, DC/AC Current, Resistance, Diode, Overload protection: 250V dc or ac rms. continuity and Capacitance check. Audible continuity RANGE BUTTON Audible threshold: Less than 50ΩTest current: <0.3mA Overload protection: 250V dc or ac rms. When the meter is first turned on, it automatically goes into AutoRanging. This automatically selects the best range for the 17 18 measurements being made and is generally the best mode for Press BACKLIGHT button 2 seconds again to exit the light most measurements. For measurement situations requiring that RELATIVE BUTTON 1. Press the RANGE button. The “AUTO” display The relative measurement feature allows you to make measurements relative to a stored reference value. A reference indicator will turn off. 2. Press the RANGE button to step through the available ranges voltage, current, etc. can be stored and measurements made in comparison to that value. The displayed value is the difference until you select the range you want. 3. mode. a range be manually selected, perform the following: Press and hold the RANGE button for 2 seconds to exit the Manual Ranging mode and return to Auto-Ranging. between the reference value and the measured value. 1. Perform any measurement as described in the operating (If backlight turns on, please press BACKLIGHT button again instructions. 2. Press the RELATIVE button to store the reading on the and it will turn off) DATA HOLD / BACKLIGHT BUTTON display and the "REL" indicator will appear on the display. The Data Hold function allows the meter to "freeze" a 3. The display will now indicate the difference between the measurement for later reference. stored value and the measured value. 1. Press the DATA HOLD button to “freeze” the reading on the display. The indicator “HOLD” will be appear in the display. 2. Press the DATA HOLD button to return to normal operation. 4. Press the RELATIVE button to return to normal operation. Hz/% BUTTON Press the Hz/% Button to alternate between Hz and % Duty Cycle If you Press and hold the BACKLIGHT button for 2 seconds, while in the Hz/%duty the display back light will turn ON. Voltage/Current requirement and range of Frequency table below. Range ( DC/AC ) 4V 17 18 test Sensitivity ≥1.5V rms function. Please see Frequency width 5Hz~10kHz the 40V, 400V 1000V/750V 400mA 10A ≥6.5V rms ≥12V rms ≥420V rms ≥45mA rms ≥4A rms 5Hz~20kHz 5Hz~200kHz 50Hz~1kHz 5Hz~5kHz 5Hz~1kHz AC OR DC CURRENT MEASUREMENTS CAUTION: Do not make current measurements on the 10A scale for longer than 30 seconds every 15 minutes. Note: The above data is only for reference. Exceeding 30 seconds may cause damage to the meter ℃/℉ BUTTON and/or the test leads. The ℃/℉ Button is used to select between ℃ and ℉ when making temperature measurements. Set the rotary switch at the TEMP position and “℃” will be displayed. The LCD display will show temperature in degrees ℃. Push the ℃/ ℉ SWITCH again, 1. Insert the black test lead banana plug into the Negative COM jack and the red test lead banana plug into the… a. Positive + jack for currents to 400mA OR b. 10A jack for currents to 10A then “℉” will be displayed. At the same time the LCD display will 2. Turn the rotary switch to the uA, mA or A position. show temperature in degrees ℉. If pushed again , it will return to 3. Press the MODE button to select AC or DC current ℃. 4. Touch the test probes in series with the circuit under test and AC OR DC VOLTAGE MEASUREMENTS 1. read the current on the display. Insert the black test lead banana plug into the Negative COM jack and the red test lead banana plug into Note: Pressing the Hz/% button while in the current function will switch the display to frequency or duty cycle. Resistance, Diode, Continuity, OR Capacitance the Positive + jack. Measurements 2. Turn the rotary switch to the VDC/AC position. 3. Press the MODE button to select AC or DC Voltage WARNING: To avoid electric shock, disconnect power to 4. Touch the test probes to the circuit under test and read the unit under test and discharge all capacitors before taking any resistance or capacitance measurements. the voltage on the display. Note: Pressing the Hz/% button while in the voltage function will 1. Insert the black test lead banana plug into the Negative COM switch the display to frequency or duty cycle 17 18 2. jack and the red test lead banana plug into the Positive + 3. Press the Hz/% button to select “Hz” or “%”. jack. Touch the test probes to the circuit under test and read the Turn the rotary switch to the Ω 3. Press the MODE button to select Ω or •))) CAP position. •))) or CAP 4. Connect the test probes to the two ends of the Resistance, Diode, Continuity and Capacitance or circuit to be measured. 5. Read the measured value from the LCD display 6. When on the continuity range, a beeping sound shall be heard frequency or duty cycle on the display. TEMPERATURE MEASUREMENTS 1. Insert the type K thermocouple probe black test lead banana plug into the Negative COM jack and the red test lead banana plug into the Positive + jack.. Press the oC / oF button to select oC or oF. Read the temperature on the display if the resistance is lower than 30Ω 7. When measuring the forward voltage across diode a normal diode will indicate 0.4V or 0.7V and the reverse voltage will indicate “OL” (same as on open condition ). For a shortcircuited diode, a value 0 mV will be display. When checking in-circuit capacitance, be sure that the circuit has all power turned off and all capacitors are fully discharged. The range control mode in capacitance measurement is auto-ranging. FREQUENCY OR DUTY CYCLE MEASUREMENTS 1. Insert the black test lead banana plug into the Negative PULSE WIDTH MEASUREMENTS 1. Insert the black test lead banana plug into the Negative COM jack and the red test lead banana plug into the Positive + jack. 2. Turn the rotary switch to the Pulse Width ms position. 3. Connect the black test probe to ground and connect the red test probe to the signal wire on the fuel injector to be measured Note : the applied time for most fuel injectors is displayed on the negative (-) slope COM jack and the red test lead banana plug into the MS PERIOD MEASUREMENTS Positive + jack. 1. Insert the black test lead banana plug into the Negative COM 2. Turn the rotary switch to the HZ %duty position. 17 jack and the red test lead banana plug into the Positive + jack. 18 2 Turn the rotary switch to the Period ms position. Fig.4 3. Connect the black test probe to ground and connect the red test probe to the signal wire that connects to the component to be measured. RPM (TACH) MEASUREMENTS 1. Insert the black test lead banana plug into the Negative COM jack and the red test lead banana plug into the Positive + jack. 2. Turn the rotary switch to the corresponding position 2CYL, 4CYL, 5CYL, 6CYL, 8CYL on the RPMX10 range. 3. Connect red test probe to the negative “-“ side of the ignition coil or to the Tachometer Signal Port of the vehicle’s ignition system. Connect the black test probe to DWELL ANGLE MEASUREMENT 1. COM jack and the red test lead banana plug into the a good chassis ground or the negative terminal of the battery. For reference, see Fig. 4. 4. Insert the black test lead banana plug into the Negative Positive + jack. 2. Start the engine. The display will show RPM reading. Turn the rotary switch to the corresponding position of 2CYL, 4CYL, 5CYL, 6CYL, 8CYL on the “DWELL” range. 3. Connect red test probe to the negative “-“ side of the ignition coil. Connect the black test probe to a good chassis ground or the negative terminal of the battery. For reference, see Fig. 4. 4. Start the engine. The display will show the DWELL ANGLE of points. 17 18 NOTE: Only traditional ignition systems with BREAKER POINTS 1. Disconnect the test leads from the meter. need to test the DWELL ANGLE. If the car has an ELECTRONIC 2. Open the battery door by loosening the screws using a IGNITION SYSTEM, there is no need to test. Phillips head screwdriver. 3. Insert the battery into battery holder, observing the correct polarity. 4. Put the battery door back in place. Secure with the two REPLACING THE BATTERY WARNING: To avoid electric shock, disconnect the test leads from any source of voltage before removing the battery door. 1. When the batteries become drained or drop below the operating voltage, “BAT” will appear in the right-hand side of the LCD display. The battery should be replaced. 2. Follow instructions for installing battery. See the Battery Installation section of this manual. screws. WARNING: To avoid electric shock, do not operate the meter until the battery door is in place and fastened securely. NOTE: If your meter does not work properly, check the fuses and battery to make sure that they are still good and that they are properly inserted. 3. Dispose of the old battery properly. WARNING: To avoid electric shock, do not operate your meter until the battery door is in place and fastened securely. REPLACING THE FUSES WARNING: To avoid electric shock, disconnect the test leads from any source of voltage before removing the fuse door. BATTERY INSTALLATION 1. Disconnect the test leads from the meter and any item under WARNING: To avoid electric shock, disconnect the test leads from any source of voltage before removing the battery door. 17 test. 2. Open the fuse door by loosening the screw on the door using a 18 Phillips head screwdriver. please call the toll free number above, especially if you feel 3. Remove the old fuse from its holder by gently pulling it out. the need to return your instrument. Please call us first and 4. Install the new fuse into the holder. let us help you! 5. Always use a fuse of the proper size and value (0.5A/250V) WARRANTY INFORMATION fast blow for the 400mA range, 10A/250V fast blow for the This product is warranted to be free from 10A range). 6. Put the fuse door back in place. Insert the screw and tighten it manufacturer defects for ONE YEAR from date of purchase, and carries a One Year “Repair/Return” securely. WARNING: To avoid electric shock, do not operate your meter until the fuse door is in place and fastened securely. warranty (code 724). If this product fails during the first 12 months due to faulty materials or workmanship, it will be repaired or replaced free of charge, at the discretion of the manufacturer. NOTE: This one year warranty does not cover dead batteries and blown fuses. IMPORTANT REPAIR/RETURN INSTRUCTIONS: DO NOT RETURN PRODUCT TO STORE. Users must call and request Return Authorization # prior to sending any product in for out-of-warranty repair by calling 888-2271603. Out of warranty repairs billable to the end user. For warranty and service coverage after YEAR ONE please Technical Hotline: call 888-227-1603. 888-227-1603 For any technical assistance or possible service issues, REPAIRS: MAIL TESTER FREIGHT PREPAID TO: NAPA Meter Repairs, 139 Elizabeth Ln., Genoa City, WI 53128 17 18 NOTE: RETURNS AUTHORIZATION and BRIEF DESCRIPTION OF PROBLEM MUST ACCOMPANY ALL REPAIR RETURNS 17 18 ">

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Key features
- Auto-ranging
- Large LCD display
- Multiple functions
- Temperature measurement
- RPM and Dwell angle measurement
Frequently asked questions
The maximum input limits are 1000V DC and 750V AC.
Set the rotary switch to TEMP, select the desired temperature scale (Celsius or Fahrenheit), and touch the type K thermocouple probe to the target surface.
The accuracy is ±2.5% of reading + 4 digits.