digital multimeter user manual pdf

digital multimeter user manual pdf

Before returning to the store, call Home Depot Customer Senrice 8 a.m. - 7 p.m., EST, Monday - Friday, 9 a.m. - 6 p.m., EST, Saturday 1-877-527-0313 HOMEDEPOT.COM Thank you We strive to continually create quality products designed to enhance your home. Visit us online to see our full line of products available for your home improvement needs. Thank you for choosing Commercial Electric! Protection provided by the instrument will be impaired if used in a manner not specified by the manufacturer. Definition It Is recommended that you read and understand this Instruction manual thoroughly prior to using the meter.If the meter is working abnormally, stop using immediately. A protective device may be damaged. If there is any doubt, have the meter inspected by a qualified technician. When disconnecting, disconnect the live test lead before disconnecting the common test lead. Use of a TV filter will attenuate any such pulses. This warranty is void if this product is ever used while providing commercial services or if rented to another person. Description Specification Up to 2000 meters F1:FF 10AH 600V F2:FF 400mA H 600V Specification Approximately 220 g (battery included) Resolution. Accuracy Resolution. Accuracy Disconnect the current and wait 10 minutes before you take another measurement. If the batteries are low, the battery symbol appears on the LCD display. Replace the batteries If the low battery symbol appears on the LCD display. To enter and exit Data Hold mode: This fixes the LCD display (A) on the current value and an H Is displayed. Set the switch to a higher range. The polarity of the red test lead (G) connection will be indicated when making a DCV measurement. Select a higher range.Read the approximate forward voltage drops of the diode on the LCD display (A). This indicates the continuity between the two points. An overcurrent will blow the fuse. Discharge all the high-voltage capacitors. For a maximum of 10A, move the red test lead (G) to the 10A jack (E).

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Connect the black test lead (H) to the negative side of the break. Do not mix alkaline, standard (carbon-zinc), or rechargeable (nl-cad,nl-mh,etc) batteries. If you are replacing the fuse, unscrew the screws on the four corners of back of the meter. Replacement test leads must meet the manufacturer’s specifications (EN 61010-031 standard, 600V CAT III 10A, or better). Care and Cleaning. User's ManualUser's Manual. GENERAL INSTRUCTIONS This instr See Specifications. In the latter case, transient stresses Before use, check that they When in doubt, have the Meter serviced. Then select a dc Use of a TV filter will attenuate. Available 9:00 AM - 5:00 PM CET. User ManualIt also provides information about features and functions. By downloading manuals from Tektronix' website, you agree to the following terms and conditions: Manuals for currently supported products may not be reproduced for distribution to others unless specifically authorized in writing by Tektronix, Inc. Thus, different versions of a manual may exist for any given product. Care should be taken to ensure that one obtains the proper manual version for a specific product serial number. Tektronix hereby grants permission and license for others to reproduce and distribute copies of any Tektronix measurement product manual, including user manuals, operator's manuals, service manuals, and the like, that (a) have a Tektronix Part Number and (b) are for a measurement product that is no longer supported by Tektronix. Thus, different versions of a manual may exist for any given product. Care should be taken to ensure that one obtains the proper manual version for a specific product serial number. Before fully understanding and meeting the following warning, do not proceed to the next step. Safety ground. The safety ground must be firmly connected to the ground pin at the power outlet and insert the instrument plug into a grounded outlet. Use proper fuses.

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To provide continuous fire protection, use only the specified type and rating fuses. Proper use of lead set. Do not use damaged or worn test lead set. It may result in damage to the instrument or personal injury. When using probes, the finger should be kept behind the finger protector of the probe. When wiring, should connect the common line first and then connect the charged test lead. When disconnecting, disconnect the charged test lead first. If the product malfunctions, do not use. Its protection may be impaired, do not install substitute parts or perform any unauthorized modification to the product. Please return the product for repair or to be checked by a professional inspection to ensure product s safety features. Do not use this product at high temperature, or environment with explosives or strong electromagnetic field. Do not change the internal wiring inside of instrument, so as not to damage the instrument or cause other endanger the safety of things. When measuring, the correct measurement function and range must be selected. Before the function range is switched, to prevent damage to the instrument, the probe and the measured circuit should be disconnected to prevent damage to the instrument. Protection limits. The Digital Multimeter provides protection circuitry to prevent damage to the instrument and to protect against the danger of electric shock provided the Protection Limits are not exceeded. IEC Measurement Category II Overload Protection To protect against the danger of electric shock, this product provides overload protection for line-voltage mains connections meeting both of the following conditions: 1. The HI and LO input terminals are connected to the mains under the Measurement Category II (as described below) conditions. 2. The mains are limited to a maximum line voltage of 300 VAC. Warning: IEC Measurement Category II includes electrical devices connected to mains at outlet on a branch circuit.

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Such devices include most small appliances, test equipment, and other devices that plug into a branch outlet socket. This product can be used for such measurements: HI and LO inputs are connected to mains of such devices (up to 300 VAC), or to the branch outlet. However, this product may not used with its HI and LO inputs connected to the mains in permanently installed electrical devices, such as the main circuit-breaker panel, sub-panel disconnected boxes, or permanently wired motors. Such devices and circuits are subject to over voltages that may exceed the protection limits of this product. Notes: Voltages above 300 VAC can be measured only in circuits that are isolated from mains. However, transient over voltages are also present on circuits that are isolated from mains. This product is designed to safely withstand occasional transient can over voltages up to 2500Vpk. Do not use this equipment to measure circuits where transient overvoltages could exceed this level. This product may contain substances that might be harmful to the environment or human health; in order to avoid the release of hazardous substances into the environment or harm to human health, we recommend the use of appropriate methods to recycle this product in order to ensure that most of the materials are reused or recycled. For disposal or recycling related information, please contact the local authorities. The STM32 chip and external integration AD chip used by the meter offer strong overall functionality, excellent performance, and good experience for users; its 3.5-inch large-screen has clear displays of reading, rich content, and a good result of display. It is mains-powered driving which makes it highly reliable. Its comprehensive features, full-range overload protection and unique design make it the first choice for electricians and university laboratories.

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In addition, VICTOR 8155 are equipped with the calibration function which allows the user to calibrate according to actual needs and is simple and convenient. Dual parameter display: it can display two parameters of the same input signal (for example, with the AC voltage measurements, it can display simultaneously AC voltage and AC frequency value). Cycle and frequency measurement, frequency of up to 20MHz. Capacitance measurement. Provide automatic trigger, external trigger, and single trigger measurements. Measurement capabilities for current up to 10A and voltage up to 1000V DC. Keypad lock function and system setup; languages, buzzer, screen brightness and so on can be configured according to various needs. 6 8 Simple external calibration function Variety of mathematical functions: statistics (maximum, minimum), relative measurement, db, dbm. Press the Enter key to enter the frequency adjustment, control the arrow keys to adjust, and then press the Enter key after the adjustment is done. (five and a half digits standard, four and a half digits optional, and peripheral circuit is required) HI SAVE Press the key to enter the data storage mode, and press the key again to exit the data storage mode. When it is in data storage mode, every time the measurement is done, the measured data and the current measurement configuration will be written into the cache, and the storage number will be displayed. In the meantime, you can switch to a different measurement function (storage is not supported for some functions, such as diodes, duty cycle, on-off measurement, etc.); for each measurement function the measurement data will be saved. When the key is pressed to exit the storage mode, the system automatically writes the data in the cache into FLASH. There can be up to 600 storage data, when there are more than 600 data, it will save the 600 data from the latest one. However, the counting starts again from 1 because there are more than 600 data displayed.

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When entering the data reading mode, the first display is the last number of the last saved data. In addition to the data on the main display, the serial number of the last saved data and some measurement configuration (measurement function, range, measurement rate, trigger mode and additional functions) will be displayed on the secondary display. Press the arrow keys to browse the saved data. The latest saved is seen first in the reading mode; so there is no need to browse the following data. When the saved number exceeds 600, for example 65-, then the 650 th data is shown when entering the reading mode, and 50 is shown on the secondary display. The number decreases on the second display when browsing the previous data. When 1 is shown on the secondary display, then 12 14 browse the previous data and it will display 600. That is to say, saving and reading are conducted in circular manner. EXIT SYS System information checking setting key, press the key to view the current model, serial number, software version, and language, buzzer, screen brightness and so on can be set. Use the arrows keys to select and change. However, the calibration function is related to what the measurement function is when entering the calibration mode. For example, when the current measurement function is DCV, then press the key combination and it will enter the calibration mode of DCV. When it is switched to the AC and DC voltage measurement function, press the key combination to enter the upper limit comparison function and the default comparison value is 1V; press the Enter key to set the comparison value, press the arrow 13 15 keys to change the comparison value, and then press Enter to complete the setting. When the displayed value is larger than the comparison value, the buzzer will ring out; otherwise, it will not.

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In the AC and DC voltage measurement function, press the key combination to enter the lower limit comparison function and the default value is 1V; press Enter to set the comparison value, and press the arrow keys to change the comparison value, then press Enter to complete the setting. When the displayed value is larger than the comparison value, the buzzer will ring out; otherwise, it will not. Mathematical function key db Press the key and db value will be shown on the secondary display; it is only valid in case of the AC and DC voltage measurement function. Note 1 displays the function currently under operation 2 displays the mode of trigger: automatic trigger, single trigger, external trigger 3 only displays when it is in the automatic range and hint at the currently corresponding range 4 main display 5 secondary display 6 measurement configuration column Details of measurement configuration column The first pane displays the range: take the DC voltage for example, there are modes such as automatic (AUTO), 200mV, 2V, 20V, 200V, 1000V. When in automatic (AUTO) mode, the information represented by the number 3 appears. The second pane shows the measurement speed: There are three kinds of measurement speeds to choose from slow (SLOW), Medium (MIDDLE), fast (FAST). Then rotate the handle to the required position. To avoid damages to the multimeter, do not exceed the rating DC voltage measurement Range: 200mV, 2V, 20V, 200V, 1000V Input protection: the peak of 1000V for all ranges Measurement method: 1. Press DC V to select DC voltage measurement function; it automatically enters into DC voltage measurement function every time when the instrument is turned on. The DC voltage measurement interface is shown in Figure 2.1.

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1: 18 20 DCV AUTO TRI AUTO 2V AUTO Slow 100 V Local Figure DC Voltage Measurement Notes: the measured voltage value is shown on the main display, and the value on the secondary screen represents the ratio of the current measured value and the full scale. 2. According to Figure 2.1.2, connect the red and black test leads respectively to the proper input terminalss. 3. Probe the test points and read the display. Figure DCV terminal connection AC voltage measurement Note: To ensure accuracy, the input value should be greater than 10 of the range. Range: 200mV, 2V, 20V, 200V, 750V AC technology: True RMS measurement Input protection: RMS of 750V for all ranges. Measurement method: 1. Press AC V to select AC voltage measurement function. The AC voltage 19 21 measurement interface is shown in Figure 2.1.3: ACV AUTO TRI AUTO 2V AUTO Slow V H z Local Figure AC Voltage Measurement Note: the measured voltage value is shown on the main display, and the value on the secondary screen represents the measured frequency of the current input signal. 2. According to Figure 2.1.4, connect the red and black test leads respectively to the proper input terminals. 3. Probe the test points and read the display. Figure ACV terminal connection 5.2 Current measurement DC current measurement Current measurement is designed for low and high current respectively with different methods of connection. Range for low current: 200uA, 2mA, 20mA, 200mA Range for high current: 2A, 10A. 20 22 Measurement method: 1. Press DC I to select DC current measurement function. The DC current measurement interface is shown in Figure 2.2.1: DCI AUTO TRI AUTO 2A AUTO Slow A Local Figure DC Current Measurement Notes: the measured voltage value is shown on the main display, and the value on the secondary screen represents the ratio of the measured value and the full range 2. Choose different test terminal according to the measurement level.

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See Fig for current of 200mA and below, and connect the red and black test leads respectively to the proper input terminals. See Fig for current from 200mA to 10A, and connect the red and black test leads respectively to the proper input terminals. 3. Probe the test points and read the display. Figure Method of connecting test terminals for low current 21 23 Figure Method of connecting test terminals for high current AC current measurement Current measurement is designed for low and high current respectively with different methods of connection. Range for low current: 200uA, 2mA, 20mA, 200mA Range for high current: 2A, 10A. Measurement method: 1. Press AC I to select AC current measurement function. The AC current measurement interface is shown in Figure 2.2.4: ACI AUTO TRI AUTO 2A A Hz AUTO Slow Local Figure AC Current Measurement Notes: the measured current value is shown on the main display, and the value on the secondary screen represents the measured frequency of the current input signal 2. Choose different test terminals according to the measurement level. See Fig for current of 200mA and below, and connect the red and black test leads respectively to the proper input terminals. See Fig for current from 200mA to 10A, and connect the red and black test leads respectively to the proper input terminals. 22 24 3. Probe the test points and read the display. Figure Method of connecting test terminals for low current Figure Method of connecting test terminals for high current 5.3 Resistance measurement Note: Before measuring the resistance, disconnect the circuit power and discharge all high-voltage capacitors to avoid damages to the multimeter or the multimeter tested. Figure W resistance measurement terminal connection 5.4 Capacitance measurement Range: 20nF, 200nF, 2uF, 20uF, 200uF, 2mF, 10mF Measurement method: 1. Press - (- to select the frequency measurement function. The capacitance measurement interface is shown in Figure 2.4.

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1: 25 27 CAP AUTO 200uF AUTO Slow AUTO TRI uf Local Figure Capacitance measurement interface Note: the measured capacitance value is shown on the main display, and the value on the secondary screen represents the ratio of the current measured value and the full range. 2. According to Figure 2.4.2, connect the red and black test leads respectively to the proper input terminals. 3. Probe the test points and read the display. Figure Capacitance measurement terminal connection 5.5 Frequency measurement Range: 20Hz, 200Hz, 2kHz, 20kHz, 200kHz, 2MHz, 20MHz Input sensitivity: 1.5V RMS Measurement method: 1. Press Freq Period to select the frequency measurement function or cycle measurement. When the voltage 27 29 is higher than the measurement threshold, it displays OPEN, otherwise it displays the measured voltage value. The measurement threshold for diode is 3V. The diode measurement interface is shown in figure 2.6.1: DIODE AUTO TRI V Local Figure Diode measurement interface 2. According to Figure 2.6.2, connect the red and black test leads respectively to the proper input terminals. 3. According to Figure 2.6.2, connect the test leads to the terminals of the diode and read the display On-off Test Figure Diode measurement terminal connection Cont 1. When in the diode test mode, press to select the on-off measurement. When the measured resistance value is greater than the threshold of the buzzer, it displays OPEN, and when the measured resistance value is smaller than the threshold of the buzzer, the resistance will be displayed. When it is turned on, the square wave is output directly. For example, after the DC voltage is measured shown in figure Press the square wave enter key to enter into the interface in figure to change the output frequency of the square wave again or turn off the square wave output. If the calibration does not end and stops, the calibration data for completed range will be invalid after the power is off. 1.

DC voltage calibration (the following steps serve only as reference; the value entered should be in accordance with the prompt on the screen) Enter the calibration interface of DCV, the default range for calibration is 200mV 200mV: short circuit for the input terminals; after the measured value is stable press Enter to confirm. Then according to the prompt, enter 200mV, then set the true value, after the measured value is stable press Enter to confirm. Then the calibration for 200mV range is completed, and the program will automatically switch to the 2V level, and change the prompt. 2V: short circuit for the input terminals, after the measured value is stable press Enter to confirm. Then according to the prompt, enter 2V, then set the true value, after the measured value is stable press Enter to confirm. Then the calibration for 2V range is 36 38 completed, and the program will automatically switch to the 20V level, and change the prompt. 20V: short circuit for the input terminals, after the measured value is stable press Enter to confirm. Then according to the prompt, enter 20V, then set the true value, after the measured value is stable press Enter to confirm. Then the calibration for 20V range is completed, and the program will automatically switch to the 200V level, and change the prompt. 200V: short circuit for the input terminals, after the measured value is stable press Enter to confirm. Then according to the prompt, enter 200V, then set the true value, after the measured value is stable press Enter to confirm. Then the calibration for 200V range is completed, and the program will automatically switch to the 1000V level, and change the prompt. 1000V: short circuit for the input terminals, after the measured value is stable press Enter to confirm. Then according to the prompt, enter 1000V, then set the true value, after the measured value is stable press Enter to confirm, and the secondary display shows OK.

Then the calibration of DCV is complete, and the program will write the above calibration data into FLASH. 2. AC voltage calibration (the following steps serve only as reference; the value entered should be in accordance with the prompt on the screen) Enter the calibration interface of ACV, the default range for calibration is 200mV 200mV: According to the prompt, enter the right value, then set the true value, after the measured value is stable press Enter to confirm. Then the calibration for 200mV range is completed, and the program will automatically switch to the 2V level, and change the prompt. 2V: According to the prompt, enter the right value, then set the true value, after the measured value is stable press Enter to confirm. Then the calibration for 200mV range is completed, and the program will automatically switch to the 2V level, and change the prompt. 20V: According to the prompt, enter the right value, then set the true value, after the measured value is stable press Enter to confirm. Then the calibration for 20V range is 37 39 completed, and the program will automatically switch to the 200V level, and change the prompt. 200V: According to the prompt, enter the right value, then set the true value, after the measured value is stable press Enter to confirm. Then the calibration for 200V range is completed, and the program will automatically switch to the 750V level, and change the prompt. 750V: According to the prompt, enter the right value, then set the true value, after the measured value is stable press Enter to confirm. Then the calibration for 750V range is completed, and the secondary display shows OK. Then the calibration of ACV is complete, and the program will write the above calibration data into FLASH. 3.

DC current calibration (the following steps serve only as reference; the value entered should be in accordance with the prompt on the screen) Enter the calibration interface of DCI, the default range for calibration is 200uA 200uA: open circuit for the input terminals, after the measured value is stable press Enter to confirm. Then according to the prompt, enter 200uA, then set the true value, after the measured value is stable press Enter to confirm. Then the calibration for 200uA range is completed, and the program will automatically switch to the 2mA level, and change the prompt. 2mA: open circuit for the input terminals, after the measured value is stable press Enter to confirm. Then according to the prompt, enter 2mA, then set the true value, after the measured value is stable press Enter to confirm. Then the calibration for 2mA range is completed, and the program will automatically switch to the 20mA level, and change the prompt. 20mA: open circuit for the input terminals, after the measured value is stable press Enter to confirm. Then according to the prompt, enter 20mA, then set the true value, after the measured value is stable press Enter to confirm. Then the calibration for 20mA range is completed, and the program will automatically switch to the 200mA level, and change the prompt. 200mA: open circuit for the input terminals, after the measured value is stable press Enter to confirm. Then according to the prompt, enter 200mA, then set the true value, 38 40 after the measured value is stable press Enter to confirm. Then the calibration for 200mA range is completed, and the program will automatically switch to the 2A level, and change the prompt. 2A: open circuit for the input terminals, after the measured value is stable press Enter to confirm. Then according to the prompt, enter 2A, then set the true value, after the measured value is stable press Enter to confirm.

Then the calibration for 2A range is completed, and the program will automatically switch to the 10A level, and change the prompt. 10A: open circuit for the input terminals, after the measured value is stable press Enter to confirm. Then according to the prompt, enter 2A, then set the true value, after the measured value is stable press Enter to confirm, and the secondary display shows OK. Then the calibration of DCI is complete, and the program will write the above calibration data into FLASH. 4. AC current calibration (the following steps serve only as reference; the value entered should be in accordance with the prompt on the screen) Enter the calibration interface of ACI, the default range for calibration is 200uA (with the frequency of 1kHz) 200uA: Input 20uA, after the measured value is stable press Enter to confirm. Then according to the prompt, enter 200uA, then set the true value, after the measured value is stable press Enter to confirm. Then the calibration for 200uA range is completed, and the program will automatically switch to the 2mA level, and change the prompt. 2mA: Input 200uA, after the measured value is stable press Enter to confirm. Then according to the prompt, enter 2mA, then set the true value, after the measured value is stable press Enter to confirm. Then the calibration for 2mA range is completed, and the program will automatically switch to the 20mA level, and change the prompt. 20mA: Input 2mA, after the measured value is stable press Enter to confirm. Then according to the prompt, enter 20mA, then set the true value, after the measured value is stable press Enter to confirm. Then the calibration for 20mA range is completed, and the program will automatically switch to the 200mA level, and change 39 41 the prompt. 200mA: Input 20mA, after the measured value is stable press Enter to confirm. Then according to the prompt, enter 200mA, then set the true value, after the measured value is stable press Enter to confirm.

Then the calibration for 200mA range is completed, and the program will automatically switch to the 2A level, and change the prompt. 2A: according to the prompt, enter the proper value, then set the true value, after the measured value is stable press Enter to confirm. Then the calibration for 2A range is completed, and the program will automatically switch to the 10A level, and change the prompt. 10A: Input 200mA, after the measured value is stable press Enter to confirm. Then according to the prompt, enter 2A, then set the true value, after the measured value is stable press Enter to confirm, and the secondary display shows OK. Then the resistance calibration is complete, and the program will write the above calibration data into FLASH. 6. Capacitance calibration (the following steps serve only as reference; the value entered should be in accordance with the prompt on the screen) Enter the resistance calibration interface, the default range for calibration is 2nF 2nF: open circuit for the input terminals, after the measured value is stable press Enter to confirm. Then according to the prompt, enter 2nF, then set the true value, after the measured value is stable press Enter to confirm. Then the calibration for 2nF range is completed, and the program will automatically switch to the 20nF level, and change the prompt. 20nF: open circuit for the input terminals, after the measured value is stable press Enter to confirm. Then according to the prompt, enter 20nF, then set the true value, after the measured value is stable press Enter to confirm. Then the calibration for 41 43 20nF range is completed, and the program will automatically switch to the 200nF level, and change the prompt. 200nF: open circuit for the input terminals, after the measured value is stable press Enter to confirm. Then according to the prompt, enter 200nF, then set the true value, after the measured value is stable press Enter to confirm.