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8 Communication interface

VICTOR 8155

is equipped with communication interfaces: RS232 and USB.

1. Connection and setting of RS232 interface:

The meter is connected to the computer via a parallel one-male-and-one-female

serial port line.

RS232 interface: Baud rate is 115200bits / s, a frame of the information is 9 digits,

8-digit data, 1 stop bit, no parity check.

2. USB Device interface

The meter is connected to the computer through a USB port and then a square

line

The USB drive for STM32 USB should be installed on the computer to use the

USB.

9. Installation and use of relevant

software

(See the Operating Instructions in the software CD attached)

10. Maintenance and upkeep

1. General maintenance and repair

1) About one year after the instrument is used, re-calibrate the instrument to ensure that

the indicators meet the requirements.

2) When any abnormality is found to the instrument after measuring, conduct self-test

first. If the test fails or if the self-test passes but there is still abnormality, immediately stop

using and sent it for repair.

3) If the re-calibration or repair of the instrument is needed, send it back to the

manufacturer or dealer, and to have it repaired or calibrated by a qualified professional.

Содержание 8155

Страница 1: ...VICTOR 8155 Digital Multimeter User s Manual...

Страница 2: ...6 Adjustment of handle 16 4 7 Turn on the multimeter 17 5 Instruction on measurement 18 5 1 Voltage measurement 18 5 2 Current measurement 20 5 3 Resistance measurement 23 5 4 Capacitance measurement...

Страница 3: ...se 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 inspec...

Страница 4: ...Capacitance 250V DC and AC peak Diode and on off 250V DC and AC peak AC and DC current mA mA Overload protection 500mA 250V fuse 11A 250V fuse AC and DC current A 10A 4W resistance SENSE HI INPUT HI S...

Страница 5: ...ices connected to mains at outlet on a branch circuit Such devices include most small appliances test equipment and other devices that plug into a branch outlet socket This product can be used for suc...

Страница 6: ...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...

Страница 7: ...3 5 inch large screen display with rich content clear display of reading and a good result of display Dual parameter display it can display two parameters of the same input signal for example with the...

Страница 8: ...le external calibration function Variety of mathematical functions statistics maximum minimum relative measurement dB dBm On off diodes reading hold data hold reading key tone trigger measurement and...

Страница 9: ...sec slow 1 times sec 1 6 Power supply voltage AC 220V 10 50Hz 1 7 Working environment 0 40 relative humidity 80 1 8 Storage environment 10 50 relative humidity 80 1 9 Dimensions 265mm x 105mm x 330mm...

Страница 10: ...panel of the table type multimeter is shown in Figure 1 1 1 Figure 1 1 1 Sketch map of front panel Table 1 1 1 Description of each module of front panel No Description 1 measurement terminal of multim...

Страница 11: ...rface AC I Press the key to enter the AC current measurement interface 2W 4W Press the key to enter 2W resistance measurement interface and press this key again to enter 4W resistance measurement inte...

Страница 12: ...s need adjustment Enter Function 1 Enter key 2 Proceed to set the frequency of the square wave 3 Proceed to set the limits Additional function keys HOLD DUTY Press the key to start duty cycle measurem...

Страница 13: ...em 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...

Страница 14: ...surement mode when a low pulse flows through the external trigger terminal the system measures one time press the key combination again to exit the external trigger function ET3255 standard function E...

Страница 15: ...from all additional functions and return to DC voltage measurement interface in any state or in case of any function Mathematical function key dB Press the key and dB value will be shown on the second...

Страница 16: ...s 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...

Страница 17: ...1 Description of back panel No Description 1 supply hub AC 220V 50Hz power supply input socket 2 power fuse 0 5A 250V fuse 3 voltage selector 110V 50Hz VAC or 220V 50Hz VAC 4 RS232 interface 5 USB De...

Страница 18: ...he power supply 2 Use the power line provided to connect the multimeter to AC power 2 Start multimeter Turn on the power switch below the power socket 3 If the instrument does not start check accordin...

Страница 19: ...measurements disconnect the probe and the circuit under test and remove the probe from the input end of the instrument 4 When measuring the high voltage and high current pay special attention to safet...

Страница 20: ...ure 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 2 1 2 DCV terminal connection 5 1 2 AC voltage measuremen...

Страница 21: ...ed 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...

Страница 22: ...condary screen represents the ratio of the measured value and the full range 2 Choose different test terminal according to the measurement level See Fig 2 2 2 for current of 200mA and below and connec...

Страница 23: ...in Figure 2 2 4 ACI 1 99999 AUTO A 999 996Hz AUTO 2A AUTO TRI Slow Local Figure 2 2 4 AC Current Measurement Notes the measured current value is shown on the main display and the value on the seconda...

Страница 24: ...ment 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 Range 200 2k 20k 200k 2M 20...

Страница 25: ...lue and the full range 2 According to Figure 2 3 2 connect the red and black test leads respectively to the proper input terminals 3 Probe the test points and read the display Figure 2 3 2 2W resistan...

Страница 26: ...red value and the full range 2 According to Figure 2 3 4 connect the red and black test leads respectively to the proper input terminals 3 Probe the test points and read the display Figure 2 3 4 4W re...

Страница 27: ...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 2 4 2 Capacitance measurement terminal co...

Страница 28: ...the proper input terminals 3 Probe the test points and read the display Figure 2 5 2 Frequency cycle measurement terminal connection 5 6 Diode and on off test The measurement value is the forward vol...

Страница 29: ...per input terminals 3 According to Figure 2 6 2 connect the test leads to the terminals of the diode and read the display Figure 2 6 2 Diode measurement terminal connection 5 6 2 On off Test 1 When in...

Страница 30: ...nce is lower than the threshold of the buzzer the buzzer rings out Figure 2 6 4 On off measurement terminal connection 5 7 Duty cycle measurement 1 Press DUTY HOLD to enter the duty cycle measurement...

Страница 31: ...s output directly In this case the screen displays the square wave output frequency and the default frequency is 1kHz as shown in Figure 2 8 1 0 001 000 AUTO Hz Local OUTPUT Square Figure 2 8 1 Square...

Страница 32: ...has a crossbar below shown in figure 2 8 3 0 001 000 AUTO Hz Local OUTPUT Square Clear Figure 2 8 3 Interface to select the adjustment position Press and to adjust the square wave output frequency as...

Страница 33: ...ge the output frequency of the square wave again or turn off the square wave output Press SHIFT EXIT SYS to turn off the square wave output shown in figure 2 8 6 DCV 1 99999 AUTO V 100 AUTO 2V AUTO TR...

Страница 34: ...1000V 10mV 1000V 10mV 0 015 3 2 AC voltage measurement True RMS Range Resoluti on ratio Limits of error 40Hz 5kHz 5 30kHz 30 50kHz 50 100kHz 200mV 1uV 0 2 100 0 2 100 0 5 200 0 8 200 2V 10uV 0 2 100...

Страница 35: ...001 0 08 50 2k 0 01 2 20000k 0 01 0 02 6 20k 0 1 22 0000k 0 1 0 02 6 200k 1 220 000k 1 0 02 6 2M 10 2 20000M 10 0 04 8 20M 100 22 0000M 100 0 25 6 6 Capacitance measurement Range Range of measurement...

Страница 36: ...nd 0 75mA when the resistance is smaller than 30 the buzzer rings out 10 Square wave output Output Output frequency Output amplitude Square wave 1Hz 100kHz 3V 7 Calibration Note 1 Before calibration i...

Страница 37: ...C 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 c...

Страница 38: ...V 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 cali...

Страница 39: ...d 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...

Страница 40: ...erence 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...

Страница 41: ...will write the above calibration data into FLASH 5 Resistance calibration 2 wire 4 wire all need calibration the following steps serve only as reference the value entered should be in accordance with...

Страница 42: ...circuit for the input terminals after the measured value is stable press Enter to confirm Then according to the prompt enter 20M then set the true value after the measured value is stable press Enter...

Страница 43: ...ut terminals after the measured value is stable press Enter to confirm Then according to the prompt enter 20uF then set the true value after the measured value is stable press Enter to confirm Then th...

Страница 44: ...led on the computer to use the USB 9 Installation and use of relevant software See the Operating Instructions in the software CD attached 10 Maintenance and upkeep 1 General maintenance and repair 1 A...

Страница 45: ...is the power fuse and the other current fuse Specifications of fuse 0 5A L 250V fast blow fuse 5x20mm Steps 1 Turn off the power and unplug the power plug 2 Find the location of the fuse remove the bl...

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