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M-2625A Performance and Durability

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M-2625A Performance and Durability OPERATOR’S WARRANTY POLICY INSTRUCTION MANUAL Your digital multimeter has been tested and conforms to our rigid requirements on M-2625A performance and durability. It is guaranteed to be free of defects in workmanship, materials and construction for a period of 2 years. If this AUTO RANGING product should fail during normal use within the first 3 months from the date of purchase, DIGITAL MULTIMETER ELENCO® will repair or replace the unit at no cost. For the remainder of the warranty period, a with Temperature Probe nominal service charge is required to cover shipping and handling. When returning merchandise for repair, please include proof of purchase, a brief letter of explanation of problem and sufficient packing material. Before returning any merchandise, please call our service department at (847) 541-3800 to obtain a return authorization number (RA). ELENCO® • Service Department 150 Carpenter Avenue • Wheeling, IL 60090 ELENCO® 150 Carpenter Ave • Wheeling, IL 60090 (847) 541-3800 • Website: www.elenco.com e-mail: [email protected] Copyright © 2012 ELENCO® Contents Table 12. Capacitance Detailed Accuracy Specifications Range Resolution Accuracy Note 1. Introduction 3 40nF 10pF ±(3.5% rdg + 10) 2. Safety Information 3 400nF 100pF μ 3. Safety Symbols 5 4 F 1nF ±(3.0% rdg + 5) Overload protection: 4. Front Plate of the Meter 5 40μF 10nF 250V DC/AC rms Input Terminal 6 400μF 100nF ±(20% rdg + 5) Function Rotary Switch 7 4000μF 1μF Function Press Button 8 LCD Display 10 Table 13. Diode Detailed Accuracy Specifications 5. Power On Option 11 Range Description Note 6. Auto Power Off 11 Display reads approximate Test current: 1mA ±0.6mA forward voltage of diode Test voltage: approx. 2.8V 7. Measurement Range 11 8. Making Measurements 12 Overload protection: 250V DC/AC rms Preparation 12 Table 14. Frequency & Duty Cycle Detailed Accuracy Specifications Measuring Voltage 12 Measuring DC Voltage 13 Range Resolution Accuracy Sensitivity Note Measuring AC Voltage 14 <100kHz: Overload 9.999Hz 0.001Hz 1.5V rms protection: Measuring Current 16 ±(0.1% rdg + 5) - - >100kHz: 250V rms Measuring DC Current 17 10MHz 10kHz 5V rms Measuring AC Current 19 Duty cycle: Measuring Resistance 21 0.1% - 99.9% 0.1% ±(2.5% rdg + 5) 1.5V rms 10Hz-1kHz Testing Diodes 23 Testing for Continuity 24 Table 15. Temperature Detailed Accuracy Specifications Measuring Capacitance 25 Measuring Frequency 27 Range Accuracy Note Measuring Duty Cycle 28 32°F - 104°F ±5°F; ±3°C (using built-in (0°C – 40°C) temperature sensor) Measuring Temperature 29 –50°C – 200°C ±(1.5% rdg + 3) 9. Maintenance 31 ±5°F (room temperature) –58°F – 392°F ±(1.5% rdg + 5) General Maintenance 31 200°C – 700°C ±(2.0% rdg + 3) Replacing the Batteries 31 392°F – 1292°F ±(2.0% rdg + 5) Replacing the Fuses 32 10.General Specifications 33 Overload protection: 250V DC/AC rms 11.Detailed Accuracy Specifications 33 -2- -35- Table 8. AC Voltage Detailed Accuracy Specifications 1. Introduction Range Resolution Accuracy Note This series LCD auto ranging and auto power-off digital multimeter 400mV 0.1mV ±(1.5% rdg + 8) Frequency response: is a portable, compact, 3¾ digit multimeter. It is ideally suited for 4V 1mV 50Hz - 400Hz field, lab, shop, car, and home. 40V 10mV ±(1.0% rdg + 5) Input resistance: 10MΩ 400V 100mV Overload protection: CAUTION: Read, understand and follow all Safety Rules and 600V 1V ±(1.5% rdg + 5) 600VDC or 600VAC rms Operating Instructions in this manual before using this product. Table 9. DC Current Detailed Accuracy Specifications 2. Safety Information Use the meter only as specified in this manual. Otherwise, the Range Resolution Accuracy Note protection provided by the meter may be impaired. Refer to safety 400μA 0.1μA Overload protection: ±(2.0% rdg + 5) information in Table 1. 4000μA 1μA Fast fuse 0.5A/250V and fast fuse 10A/250V. Table 1. Safety Information 40mA 10μA ±(1.5% rdg + 5) μ 400mA 100 A 10A for 15sec. maximum ! Warning 4A 1mA ±(2.0% rdg + 5) Input voltage drop: <0.4V To avoid possible electric shock or personal injury, follow these 10A 10mA guidelines: Table 10. AC Current Detailed Accuracy Specifications • Do not use the meter if it is damaged. Before you use the meter, inspect the case. Look for cracks or missing plastic. Pay particular Range Resolution Accuracy Note attention to the insulation surrounding the connectors. 400μA 0.1μA Overload protection: ±(2.5% rdg + 3) • Inspect the test leads for damaged insulation or exposed metal. 4000μA 1μA Fast fuse 0.5A/250V and Check the test leads for continuity. Replace damaged test leads fast fuse 10A/250V. 40mA 10μA before you use the meter. ±(2.0% rdg + 5) 10A for 15sec. maximum 400mA 100μA Input voltage drop: <0.4V • The RESPONSIBLE BODY shall be made aware that, if the 4A 1mA equipment is used in a manner not specified by the manufacturer, ±(2.5% rdg + 5) Frequency response: the protection provided by the equipment may be impaired. 10A 10mA 50Hz - 400Hz • Do not use the meter if it operates abnormally. Protection may be Table 11. Resistance Detailed Accuracy Specifications impaired. When in doubt, have the meter serviced. Range Resolution Accuracy Note • Do not operate the meter around explosive gas, vapor, or dust. 400Ω 100mΩ • Do not apply more than the rated voltage, as marked on the meter, 4kΩ 1Ω between terminals or between any terminal and earth ground. ±(1.0% rdg + 5) 40kΩ 10Ω Overload protection: • Before use, verify the meter’s operation by measuring a known 400kΩ 100Ω 250V DC/AC rms voltage. 4MΩ 1kΩ ±(2.0% rdg + 5) • When measuring current, turn off circuit power before connecting 40MΩ 10kΩ the meter in the circuit. Remember to place the meter in series with the circuit. -34- -3- Table 1. Safety Information (continued) 10. General Specifications ! Warning Display: 3¾ digit LCD with a maximum reading of 4000. Range Control: Auto range or manual range control. • When servicing the meter, use only specified replacement parts. Polarity: Automatic negative polarity indication. • Use caution when working above 30VAC rms, 42V peak, or 60VDC. Such voltages pose a shock hazard. Zero Adjustment: Automatic Overrange Indication: Only the “OL” display. • The finger or any part of your body shall not extend beyond the barrier of the test probe when measuring. Low Battery: The symbol “ + – ” is displayed when the battery voltage is below approximately 2.4V. • Avoid working alone. Auto Power Off: 10 minutes after stopping the switch or no key- • When using the probes, keep your fingers behind the finger guards input, the meter automatically enters the power off mode. on the probes. Safety Standards: ETL / h EMC/LVD. The meter is up to the • Connect the common test lead before you connect the live test lead. standards of IEC1010 Pollution Degree 2; overvoltage category III When you disconnect test leads, disconnect the live test lead first. Operating Environment: Temperature 32° to 104°F (0° to 40°C), • Remove test leads from the meter with the battery door or portions humidity <80% RH. of the cover removed or loosened. Storage Environment: Temperature –4° to 140°F (–20° to 60°C), • To avoid false readings which could lead to possible electric shock humidity <90% RH. or personal injury, replace the batteries as soon as the low battery indicator ( + – ) appears. Power: Two 1.5V “AA” batteries. Dimensions: 6 1/2” [165mm] (H) x 3 17/64” [83mm] (W) x • Use only two “AA” batteries (NEDA 1604, IEC 6F22, or equivalent), 1 29/64” [37mm] (D) properly installed in the meter case, to power the meter. Weight: Approximately 9.2oz. / 260g. (including batteries) • To avoid the potential for fire or electrical shock, do not connect the thermocouples to electrically live circuits. 11. Detailed Accuracy Specifications Accuracies are ± (% of reading + number in last digit) at 73°F Caution ±41°F/23°C ±5°C, <75% RH. To avoid possible damage to the meter or to the equipment under test, The detailed accuracy specifications are shown in Tables 7 to 18. follow these guidelines: Table 7. DC Voltage Detailed Accuracy Specifications • Disconnect circuit power and discharge all high-voltage capacitors before testing resistance, continuity, diodes, or capacitance. Range Resolution Accuracy Note 400mV 0.1mV • Use the proper terminals, function, and range for your Ω 4V 1mV Input resistance: 10M measurements. ±(0.5% rdg + 5) 40V 10mV • Before measuring current, check the meter’s fuses and turn power Overload protection: OFF to the circuit before connecting the meter to the circuit. 400V 100mV 600VDC or 600VAC rms. 600V 1V ±(0.8% rdg + 5) -4- -33- Replacing the Fuses 3. Safety Symbols Symbols used on the meter and in this manual are explained in ! Warning Table 2. To avoid electrical shock or damage to the meter, only use replacement fuses ∅5x20 0.5A/250V FAST or ∅6x25 10A/250V FAST. Table 2. International Electrical and Relative Symbols AC (Alternating Current) Important Information 1. Turn the Function Rotary Switch to the OFF position and remove ~ ! the test leads from the terminals. Remove the battery cover as DC (Direct Current) Caution, risk of electric shock shown in Figure 18. Referring to Figure 19, examine or replace the meter’s fuses as follows: h European Safety Standard Earth Ground 2. Using a screwdriver, unscrew the three screws on the back case. Remove it by lifting it up from the bottom and carefully separating Double Insulated + – Low Battery Indicator the top part from the two mounting tabs. The symbol indicating separate collection for electrical and U.S. Safety Standard 3. Remove either fuse by gently prying one end loose, then sliding electronic equipment. the fuse out of its bracket.
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