User Manual for Tektronix models including: 19999 Auto Ranging Digital Multimeter, Auto Ranging Digital Multimeter, Ranging Digital Multimeter, Digital Multimeter, Multimeter
4 ⑧ Duty cycle test. ⑨ Resistance test. (Ohm) ⑩ Frequency test. (Hertz) ⑪ Current test. (Ampere) ⑫ Voltage test. (Volt) ⑬ Capacitance test.
مولتی متر زویی ZOYI مدل ZT-219 | فروشگاه تکترونیکس
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DocumentDocumentUser Manual All rights reserved. Specifications are subject to change without notice. LIMITED WARRANTY AND LIMITATION OF LIABILITY Customers enjoy one-year warranty from the date of purchase. This warranty does not cover fuses, disposable batteries, damage from misuse accident, neglect, alteration, contamination, or abnormal conditions of operation or handling, including failures caused by use outside of the product's specifications, or normal wear and tear of mechanical components. Table of Contents Page Introduction..........................................................1 Safety Information................................................1 Instrument Overview............................................3 LCD Display...................................................3 Function Buttons............................................5 Rotary Switch.................................................7 Input Terminals..............................................9 Measurements Instruction..................................10 Measure AC/DC Voltage..............................10 Measure AC/DC Current..............................10 Measure Resistance.....................................11 Test for Continuity........................................12 Test Diodes..................................................12 Measure Capacitance..................................13 Measure Frequency.....................................14 Measure Duty Cycle.....................................15 Measure Temperature...................................15 Test NCV..............................................16 Maintenance.......................................................17 Clean the Product.........................................17 Replace the Batteries...................................17 Replace the Fuses.......................................18 Specifications.....................................................19 General Specifications.................................19 Mechanical Specifications............................19 Environmental Specifications.......................19 Electrical Specifications......................................20 Introduction This product is a 19999 counts auto-ranging digital multimeter. It is battery-powered with truerms, a LCD display and a backlight. Safety Information To avoid possible electrical shock, fire, or personal injury, please read all safety information before you use the product. Please use the product only as specified, or the protection supplied by the product can be compromised. · Examine the case before you use the product. Look for cracks or missing plastic. Carefully look at the insulation around the terminals. · The measurement must be made with correct input terminals and functions and within the allowable measuring range. · Do not use the product around explosive gas, vapor, or in damp or wet environments. 1 · Keep fingers behind the finger guards on the probes. · When the product has already been connected to the line being measured, do NOT touch the input terminal that is not in service. · Disconnect the test leads from the circuit before changing the mode. · When the voltage to be measured exceeds 36V DC or 25V AC, the operator shall be careful enough to avoid electric shock. · Misuse of mode or range can lead to hazards, be cautious. " " will be shown on the display when the input is out of range. · Low level of a battery will result in incorrect readings. Change the batteries when battery level is low. Do not make measurements when the battery door is not properly placed. 2 Instrument Overview LCD Display Auto power off. Display freezes present reading. Relative mode. Display shows maximum reading. Display shows minimum reading. Diode test. Continuity test. 3 Duty cycle test. Resistance test. (Ohm) Frequency test. (Hertz) Current test. (Ampere) Voltage test. (Volt) Capacitance test. (Farad) Temperature test. (Fahrenheit or Celsius) Auto range. The product selects the range with the best resolution. The product measures both sinusoidal and nonsinusoidal ac waveforms accurately. Low battery. Replace batteries. Negative readings. Alternating current. Direct current. Measurement units. 4 Function Buttons Selects alternate measurement modes on a rotary switch setting, including: 1. DC mV/AC mV/Temperature 2. Resistance/Continuity/Diode/Capacitance 3. Frequency/Duty Cycle 4. DC A/AC A 5. DC mA/AC mA 6. DC A/AC A Push once to hold the current reading on the display; push again to continue normal operation. Push for more than 2 seconds to turn on the backlight; long-push again to turn off or the backlight automatically turns off after 2 minutes. 5 Push this button once to enter the manual range mode. In manual range mode, each push increases the range; when the highest range is reached, the next push will lead to the lowest range. To exit the manual range mode, push the button for more than 2 seconds or turn the rotary switch. Push this button to enter the relative mode. The product will store the present reading as a reference for subsequent readings. The display is zeroed, and the stored reading is subtracted from all subsequent readings. Push again to exit the relative mode. Push to toggle between the MAX and the MIN mode. To exit MAX/MIN mode, push the button for more than 2 seconds. Push this button when the rotary switch is at the position of , the product will enter Frequency/Duty Cycle (only applies to low frequency with low voltage) measuring mode. 6 Rotary Switch Turn off the product at this position. · The product automatically powers off after 15 minutes of inactivity. · The built-in beeper beeps 5 times 1 minute before auto power off. · To restart the product from auto power off, press the SEL button or turn the rotary switch back to the OFF position and then to a needed position. · To disable the Auto Power Off function, hold down the SEL button when turning on the product, you will hear five beeps if you have successfully disabled the function. 7 AC voltage 750V Press RANGE button: Frequency with high voltage Duty Cycle from 1%~99% DC voltage 1000V DC voltage 199.99mV AC voltage 199.99mV Celsius: -20~1000 Fahrenheit: -4~1832 Ohms 200M Continuity. Beeper turns on at 50 Diode test. Displays above 3V Farads 9.999mF Frequency with low voltage Duty Cycle from 1%~99% DC A from 19.999A AC A from 19.999A DC A from 199.99mA AC A from 199.99mA DC A from 1999.9A AC A from 1999.9A Non-contact voltage test. 8 Input Terminals 20A Input terminal for AC/DC current measurements to 19.999A. mAA Input terminal for AC/DC measurements to 199.99mA. current COM Common (return) measurements. terminal for all VHz Input terminal for the measurements of: 1. AC/DC voltage 2. Resistance 3. Capacitance 4. Frequency 5. Temperature 6. Continuity 7. Diode 8. Duty cycle 9 Measurements Instruction Measure AC/DC Voltage 1. Connect the black test lead to the COM Terminal and the red lead to the VHz Terminal. 2. Turn the rotary switch to , , or . 3. Press SELECT to toggle between AC/DC. 4. Touch the probes to the correct test points of the circuit to measure the voltage. 5. Read the measured voltage on the display. *Do not measure voltage that exceeds the extremes as indicated in the Specifications. *Do not touch high voltage circuit during measurements. Measure AC/DC Current 1. Connect the black test lead to the COM Terminal and the red lead to the mA A Terminal or the 20A Terminal (choose based on the value of the current to be measured). 10 2. Turn the rotary switch to , or . 3. Press SELECT to toggle between AC/DC. 4. Break the circuit path to be measured, connect the test leads across the break and apply power. 5. Read the measured current on the display. *Do not measure current that exceeds the extremes as indicated in the Specifications. *Use the 20A Terminal and the Mode when you are measuring an unknown current. Then switch to the mA A Terminal and the Mode or the Mode if necessary. *Do not input voltage at this setting. Measure Resistance 1. Connect the black test lead to the COM Terminal and the test lead to the VHz Terminal. 2. Turn the rotary switch to , and the display will show " ". 3. Touch the probes to the desired test points of the circuit to measure the resistance. 4. Read the measured resistance on the display. 11 *Disconnect circuit power and discharge all capacitors before you test resistance. *Do not input voltage at this setting. Test for Continuity 1. Connect the black test lead to the COM Terminal and the red lead to the VHz Terminal. 2. Turn the rotary switch to , press SELECT once to toggle to the Continuity Mode. 3. Touch the probes to the desired test points of the circuit. 4. The built-in beeper will beep when the resistance is lower than 50, which indicates a short circuit. *Do not input voltage at this setting. Test Diodes 1. Connect the black test lead to the COM Terminal and the red lead to the VHz Terminal. 12 2. Turn the rotary switch to , press SELECT twice to toggle to the Diode Mode. 3. Connect the red probe to the anode side and the black probe to the cathode side of the diode being tested. 4. Read the forward bias voltage value on the display. 5. If the polarity of the test leads is reversed with diode polarity or the diode is broken, the display reading shows " ". *Do not input voltage at this setting. *Disconnect circuit power and discharge all capacitors before you test diode. Measure Capacitance 1. Connect the black test lead to the COM Terminal and the red lead to the VHz Terminal. 2. Turn the rotary switch to , press SELECT three times to toggle to the Capacitance Mode. 13 3. Connect the red probe to the anode side and the black probe to the cathode side of the capacitor being tested. 4. Read the measured capacitance value on the display once the reading is stablized. *Disconnect circuit power and discharge all capacitors before you test capacitance. Measure Frequency 1. Connect the black test lead to the COM Terminal and the red lead to the VHz Terminal. 2. Turn the rotary switch to , press the Hz % button once to toggle to the Frequency Mode (applies to low frequency with high voltage); or turn the rotary switch to to enter the Frequency Mode (applies to high frequency with low voltage). 3. Touch the probes to the desired test points. 4. Read the measured frequency value on the display. 14 Measure Duty Cycle 1. Connect the black test lead to the COM Terminal and the red lead to the VHz Terminal. 2. Turn the rotary switch to , press the Hz % button twice to toggle to the Duty Cycle Mode (applies to low frequency with high voltage); or turn the rotary switch to , press SELECT once times to toggle to the Frequency Mode (applies to high frequency with low voltage). 3. Touch the probes to the desired test points. 4. Read the measured duty cycle value on the display. Measure Temperature 1. Connect the black thermocouple probe to the COM Terminal and the red probe to the VHz Terminal.ll 15 2. Turn the rotary switch to , press SELECT twice to toggle to the Temperature Mode and the display will show the room temperature, to toggle between /, press SELECT button. 3. Touch the probes to the desired test points. 4. Read the measured temperature on the display. *Do not input voltage at this setting. Test NCV 1. Turn the rotary switch to . 2. Hold the product and move it around, the built- in beeper will beep when the inner sensor detects AC voltage nearby. The stronger the voltage is, the quicker the beeper beeps. 16 Maintenance Beyond replacing batteries and fuses, do not attempt to repair or service the product unless you are qualified to do so and have the relevant calibration, performance test, and service instructions. Clean the Product Wipe the product with a damp cloth and mild detergent. Do not use abrasives or solvents. Dirt or moisture in the terminals can affect readings. *Remove the input signals before you clean the product. Replace the Batteries When " " is shown on the display, batteries shall be replaced as below: 1. Remove the test leads and turn off the product before replacing the batteries. 17 2. Loosen the screw on the battery door and remove the battery door. 3. Replace the used batteries with new batteries of the same type. 4. Place the battery door back and fasten the screw. Replace the Fuses When a fuse is blown or do not work properly, it shall be replaced as below: 1. Remove the test leads and turn off the product before replacing the fuse. 2. Loosen the four screws on the back cover and the screw on the battery door, then remove the battery door and the back cover. 3. Replace the fuse with a new fuse of the same type. 4. Place the back cover and the battery door back and fasten the screws. 18 Specifications General Specifications DisplayLCD 19999 Counts Ranging Auto/Manual Material ABS Update Rate 3 Times/Second Ture RMS Data Hold Backlight Low Battery Indication Auto Power Off Mechanical Specifications Dimension 180*90*45mm Weight 319g Battery Type 1.5V AA Battery * 2 Warranty One year Environmental Specifications Operating Temperature Humidity 0~40 75% Storage Temperature Humidity -20~60 80% 19 Electrical Specifications Function Range Resolution Accuracy 1.9999V 0.0001V DC Voltage 19.999V (V) 199.99V 1000.0V 0.001V 0.01V 0.1V ±(0.05%+3) DC Voltage 19.999mV 0.001mV (mV) 199.99mV 0.01mV 1.9999V 0.0001V AC Voltage 19.999V (V) 199.99V 750.0V 0.001V 0.01V 0.1V ±(0.3%+3) AC Voltage 19.999mV 0.001mV (mV) 199.99mV 0.01mV DC Current 1.9999A (A) 19.999A 0.0001A 0.001A ±(0.5%+3) 20 Function Range DC Current 19.999mA (mA) 199.99mA DC Current 199.99A (A) 1999.9A AC Current 1.9999A (A) 19.999A AC Current 19.999mA (mA) 199.99mA AC Current 199.99A (A) 1999.9A 199.99 1.9999k 19.999k Resistance 199.99k 1.9999M 19.999M 199.99M Resolution 0.001mA 0.01mA 0.01A 0.1A 0.0001A 0.001A 0.001mA 0.01mA 0.01A 0.1A 0.01 0.0001k 0.001k 0.01k 0.0001M 0.001M 0.01M Accuracy ±(0.5%+3) ±(0.8%+3) ±(0.5%+3) ±(0.2%+3) ±(1.0%+3) ±(5.0%+5) 21 Function Range Resolution Accuracy 9.999nF 0.001nF ±(5.0%+20) 99.99nF 0.01nF 999.9nF 0.1nF Capacitance 9.999F 0.001F ±(2.0%+5) 99.99F 0.01F 999.9F 0.1F 9.999mF 0.001mF ±(5.0%+5) 99.99Hz 0.01Hz 999.9Hz 0.1Hz 9.999kHz 0.001kHz Frequency 99.99kHz 0.01kHz ±(0.1%+2) 999.9kHz 0.1kHz 9.999MHz 0.001MHz Duty Cycle 1%~99% 0.1% ±(0.1%+2) 22 Function Range Resolution Accuracy (-20~1000) 1 Temperature (-4~1832) 1 ±(2.5%+5 Diode Continuity NCV 23Microsoft PowerPoint 2016 3-Heights(TM) PDF Optimization Shell 5.9.1.5 (http://www -tools.com)