Victor 8165 User Manual
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Victor 8165 User Manual

6 1/2 digital multimeter
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VICTOR 8165
6 1/2 Digital Multimeter
User's Manual
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Summary of Contents for Victor 8165

  • Page 1 VICTOR 8165 6 1/2 Digital Multimeter User's Manual...
  • Page 2 Safety Precautions Make sure that you use this product as specified to avoid personal injury and product damage, and do not go to the next step before fully understanding and meeting the following warnings.  Safety grounding. Please make sure that the power-line grounding terminal is reliably connected to the protective grounding terminal of the product.
  • Page 3 HI and LO input terminals are used in voltage, resistance, capacitance, continuity, frequency and diode test, and the protection limits of the two terminals are as follows: 1) Protection limit from HI to LO. Protection limit from HI to LO is 1000 VDC or 750 VAC, which is the maximum measurable voltage.
  • Page 4 The product can be used in such measurements: HI and LO input terminals connect to mains in these devices (maximum 300VAC) or to the branch outlets. However, the HI and LO input terminals of this product can not be connected to mains in permanently-installed electric devices, such as main circuit-breaker panel, sub-panel disconnect boxes, or permanently wired motors.
  • Page 5 Brief Introduction to VICTOR 8165A and VICTOR 8165 Digit Multimeter VICTOR 8165A or VICTOR 8165 multimeter provides 6 1/2digits, high-performance AC and DC measurements. The multimeter is equipped with a 3.5-inch color display with high resolution and built-in intelligent operation system, and is able to provide more information and functions, simpler operation, wider testing range and more flexible and convenient system building.

  • Page 6: Table Of Contents

    Contents 1. Quick Start ............................ 8 1.1 Inspect Product Accessories ....................8 1.2 Front Panel .......................... 8 1.3 Rear Panel ......................... 10 1.4 Adjust Handles ........................11 1.5 Start Multimeter ........................ 11 1.6 User Interface ........................12 1.7 Measurement Wiring ......................13 2.
  • Page 7 3.5.5 Calibration ......................37 3.5.6 System information inquiry and system updating ..........37 4. Conduct Remote Control......................37 4.1 GPIB Interface Configuration (Only Supported By VICTOR 8165A) ......37 4.2 RS232 Interface Configuration ..................38 4.3 USB Interface Configuration .................... 38 4.4 LAN Interface Configuration ....................

  • Page 8: Quick Start

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter 1. Quick Start 1.1 Inspect Product Accessories Confirm that multimeter is attached with the following subjects, among which the optional accessories can be attached to products only after purchasing. If any subject is missed, please contact the closest sale office.
  • Page 9 Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter F1-F5 softkeys. Softkeys are used to select different menu options in digit multimeter menu. Each softkey function is indicated by the label at screen bottom, and softkeys which are not indicated by labels on the screen are invalid.

  • Page 10: Rear Panel

    Current input fuse HI and LO main input terminal HI and LO sensor input terminal Current input terminal USB Device interface LAN interface RS232 interface GPIB interface Remark: Only terminals of No. 8, 9, 10 and 14 are used on “VICTOR 8165A”.

  • Page 11: Adjust Handles

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter 1.4 Adjust Handles To adjust handles of digit multimeter, please hold the handles on both sides of the meter, and then rotate the handles to the needed positions. Operating method is as shown in the following...

  • Page 12: User Interface

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter 1.6 User Interface User interface has three kinds of display modes, and can switch among different modes by pressing the softkey of Display ( Default user display interface: 主功能...

  • Page 13: Measurement Wiring

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter History curve display interface: 当前值 历史曲线 测量点数 History curve display Description: Under this display mode, the upper part of the screen displays current measurement values, and the lower part displays tendency chart of the recorded data, wherein the abscissa axis represents number of measurement points, the first record value is 0 and increases by 1 every time gain a new measurement value;...
  • Page 14 Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter 1A-12A measurement is as shown in the Press select current following figure measurement function DC current DC current DC current Note: 12A and 100mA input terminals are not allowed to be connected to the current measurement loops at the same time.

  • Page 15: Basic Operations Of Front Panel

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter Press to select period measurement Press to select frequency function measurement function AC signal AC signal Press to select capacitance measurement function. Capacitanc Capacitance Press select diode test Press...

  • Page 16: Dc Voltage Ratio Measurement

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter 1) Press to select DC voltage measurement function, and automatically enter DC voltage measurement function every time when the machine is started. Description: Major display value refers to measured voltage value, and auxiliary displayed value refers to the ratio between current measurement value and full measurement range.

  • Page 17: Ac Voltage Measurement

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter 1) Press to select DC voltage ratio measurement function. Description: Major display represents the voltage ratio value between main input terminal and sense terminal, the lower part (IN) represents voltage value measured at main input terminal, and (REF) represents reference voltage value measured at sense terminal.

  • Page 18: Dc Current Measurement

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter measurement range, which have same effect as keys of 4) Press the softkey of Relative ( ) to record the current value, after which display the difference between actual measurement value and current recorded value.

  • Page 19: Ac Current Measurement

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter interface for details. 6) If necessary, press to configure the following measurement parameters: integral time, input impedance and zero calibration method, and refer to the chapter of Measurement configuration for details.

  • Page 20: Resistance Measurement

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter 2.1.6 Resistance measurement Basic information  10Ω, 100Ω, 1kΩ, 10kΩ, 100kΩ, 1MΩ, 10MΩ, 100MΩ and 1GΩ.  Maximum resolution: 10uΩ. Operation description 1) Press to select 2-wire resistance measurement or 4-wire resistance measurement function.

  • Page 21: Frequency/Period Measurement

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter 7) If necessary, press to configure math operation function (limits and relative), and refer to description in the chapter of Math operation for details. Leads resistance eliminating method for two-wire resistance measurement: 1.

  • Page 22: Capacitance Measurement

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter difference between actual measurement value and current recorded value. 5) Press the softkey of Display ( ) to switch modes, and refer to the chapter of Users interface for details.

  • Page 23: Continuity Measurement

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter 3. Re-connect the probe end of positive lead to test circuit, and measure capacitance value. 2.1.9 Continuity measurement Basic information  Test power source: 1mA.  Beeper threshold: 1Ω-1000Ω is available, and 10Ω as a default.

  • Page 24: Usage Of Sensor

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter 2.2 Usage of Sensor 2.2.1 Thermal resistance sensor Thermal resistance sensor refers to sensor converting temperature into resistance, and currently scale dividing symbols of Pt100 and Pt1000 have been preset.

  • Page 25: Continuity Threshold Resistance

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter according to the input signal frequency. AC filter is limited to be used in AC voltage and AC current measurement. Input Frequency Selected AC filter Reading Stability Time 3Hz to 300kHz...

  • Page 26: Resolution

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter  Input resistance setting is stored in volatile memory, and after cutting off power or resetting remote interface, multimeter will reelect 10Ω (including all the DC voltage shifts). ...

  • Page 27: Integral Time

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter 3.1.5 Integral time Integral time refers to the period to input signals in sampling of simulation/digit converter (A/D Converter) on multimeter during measurement, which may influence measurement resolution (if it is expected to gain better, it may be set longer integral time) and measurement speed (if it is expected to gain faster measurement, it may be set shorter integral time).

  • Page 28: Select Measurement Range (Measurement Shift)

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter 3.1.8 Select measurement range (measurement shift) You may use auto measurement range function to make multimeter select measurement range by itself, or use manual measurement range function to select fixed measurement range. Auto measurement range function is quite convenient, for multimeter will automatically select measurement range proper for every measurement.

  • Page 29: Relative (Zero) Operation

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter 统计数据 直方图 Description:  Current value refers to measurement value under the current function  Samples refer to sum of measurement values collected till now after confirming that one certain measurement function collects the first number.

  • Page 30: Dbm Value Measurement

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter Preset value can be adjusted and set as any value from 0 to 120% of the highest measurement range in the current function, which is stored in volatile memory, and after cutting off power or resetting remote interface or changing measurement function, the zero-digit value will be cleared out.

  • Page 31: Limit Test

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter value which have been converted to dBm values. dB value measurement is only suitable for DC voltage measurement and AC voltage measurement. dB value = dBm value of readings-dBm value of relative values.

  • Page 32: Trigger

    ) to go back to the former-layer interface. 3.3 Trigger VICTOR 8165A and VICTOR 8165 provide many trigger methods, including auto, single and external. Multimeter can read one reading or readings in specified number (up to 50,000) every time it receives a trigger signal, and can set the delay time between trigger and readings.

  • Page 33: Reading Holding

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter Press the softkey of Remain ( ) to set sensitivity range of reading holding function. Press the softkey of Setup ( ) to set related trigger parameters, such as samples and trigger delay.

  • Page 34: Trigger Parameter Setting

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter The sensitivity range is one of the following values, including 0.01% and 0.1% (default value), 1.00% or 10.00% of the reading. For example, if you select 1.00% range, input signal of multimeter is 5.000V, and only if three continuous readings are all from 4.975 to 5.025, can...

  • Page 35: Data Record

    3.4 Data Record Data record function of VICTOR 8165A and 8165 provides a front-panel user interface to make it possible for you to check history data without connecting to a computer. When switching functions or power failing, data record will be cleared out, and if necessary, please save the record into USB drive.

  • Page 36: Command Set

    (Command set) to select all the command sets. 3.5.3 Topic Press (Topic) to modify system interface style. 3.5.4 Self-test VICTOR 8165A and 8165 can conduct self-test to hardware system, and output the test result on the screen. Press (Self-test---Start) for self-test.

  • Page 37: Calibration

    Refer to VICTOR 8165A and 8165 Calibration Manual for specific calibration details. 3.5.6 System information inquiry and system updating VICTOR 8165A and 8165 support users to update software systems, and in case of users finding system BUG or needing to add functions, contact after-sales service, and we will serve for system updating.

  • Page 38: Rs232 Interface Configuration

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter Equipment on GPIB (IEEE-488) interface has to be equipped with an exclusive address. You can set the multimeter address as any integral value from 0 to 30, with the factory-leaving address being 22.

  • Page 39: Measurement Guide

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter 5. Measurement Guide 5.1 DC Measurement Considerations 5.1.1 Thermoelectromotive force error Thermal voltage is the most common error source in low-level DC voltage measurement, which will be caused when you use heterogeneous metals to connect circuit under different temperatures.

  • Page 40: Dci Load Error

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter Error (%) = In order to reduce load error influence and the pickup noise to the minimum extent, it is needed to set the multimeter input resistance >10GΩ during the measurement of 100mV, 1V and 10V measurement range.
  • Page 41 Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter However, there is certain amount of resistance between multimeter LO input terminal and grounding terminal, as shown in the following figure, which will cause error to measure the floated low voltage relative to the grounding terminal.

  • Page 42: Resistance Measurement Considerations

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter 5.1.5 Resistance measurement considerations Multimeter provides two resistance measurement methods, that is, 2-wire and 4-wire resistance, where test current goes out from input HI terminal, and goes through resistor under test. In the 2-wire resistance measurement method, the voltage drop on resistor under test is internally sensed to multimeter, therefore, the measurement includes test lead resistance at the same time.

  • Page 43: Crest Factor Error (Non-Sine Wave Input)

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter The product adopts true virtual value to send measurement AC signals to measure potential calorific value in voltage. The average heating power consumed by resistor is in direct proportion to the square number of the voltage imposed to resistance, which has no relation with signal waveform.

  • Page 44: Acv Load Error

    C.F. refers to signal crest factor F refers to fundamental frequency for pulse BW refers to -3db bandwidth of multimeter, and VICTOR 8165A and 8165 are 1MHz Example: In calculation of approximate measurement error input in pulse sequence, the crest factor is 3, and fundamental frequency is 20 kHz.

  • Page 45: Dc Characteristics

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter Note: Test condition is under the condition of 4 1/2 digits, AZ off, display off; these rates are not lower than measurement rate under other conditions. Function Digit Setting...
  • Page 46 Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter error during two-wire resistance measurement (0.2Ω+test lead resistance) Measurement method: Standard constant flow source conversion, with current source relative to LO input. Maximum wire resistance (four-wire): for 100Ω and 1kΩ measurement ranges are 10% of measurement ranges;...

  • Page 47: Uncertainty Indicators

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter 6.2 Uncertainty Indicators Accuracy is expressed by ± (ppm measurement value + ppm measurement range) [1] Function Measurement Resolution Test current, load 24-hour [3] year Temperature range [2] voltage, etc.

  • Page 48: Additional Error

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter 6.2.1 Additional error Integral time Digit Additional error Power period number DC voltage (% of DC current (% of Resistance NPLC measurement range) measurement range) measurement range) 100 PLC 6½...

  • Page 49: Uncertainty Indicators

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter DC coupling to fuses and shunt (no blocking capacitor); AC filter bandwidth: Slow: 3Hz-10 kHz; Mid: 20Hz-10kHz; Fast: 200Hz-10kHz; Maximum crest factor (CF): 5:1, in case of full scale;...

  • Page 50: Additional Error

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter [1] Pre-heat for 60 minutes, slow AC filter and sine signal input. [2] Except for ACV 750V, ACI 12A measurement ranges, other measurement ranges can have 20% of over measurement range measurement.

  • Page 51: Low-Frequency Additional Error

    Users manual VICTOR 8165A and VICTOR 8165 6 1/2 Digit Multimeter 6.4.2 Low-frequency additional error Frequency Gate time (resolution) 1 second (6 1/2) 0.1 second (6 1/2) 0.01 second (6 1/2) 3Hz-5Hz 0.12 0.12 5Hz-10Hz 0.17 0.17 10Hz-40Hz 0.20 0.20 40Hz-100Hz 0.06...

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