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18

_____________________________________________________________________

Measurement Procedures

______________________________________________________________

Example 2

Recording voltage changes at a breaker.
Estimated test voltage: 200 V AC
Recording period: 24 hours

1.

The supplied connection cords

connect to the Test voltage input
terminals.

2.

Set the

FUNCTION

switch to

AC

.

3.

Set the Range selector to

200 V

,

corresponding to the input signal level.

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Содержание 8205-10

Страница 1: ...8205 10 MICRO HiCORDER July 2013 Revised edition 10 8205B981 10 13 07H Instruction Manual...

Страница 2: ......

Страница 3: ...r 2 Measurement Procedures 9 2 1 Preparations 9 2 2 DC Voltage Measurement 13 2 3 AC Voltage Measurement 17 2 4 AC Current Measurement 1 21 2 5 AC Current Measurement 2 25 2 5 1 When Measuring High Vo...

Страница 4: ...Input Specifications 41 4 3 Current Measurement Input Specifications 42 4 4 Display Specifications 43 4 5 Recorded Information 44 4 6 Recording Time 44 Chapter 5 Maintenance and Service 45 5 1 Storag...

Страница 5: ...ng shipping In particular check the accessories panel switches and connectors If damage is evident or if it fails to operate according to the specifications contact your dealer or Hioki representative...

Страница 6: ...y Symbols The symbol printed on the instrument indicates that the user should refer to a corresponding topic in the manual marked with the symbol before using the relevant function In the manual the s...

Страница 7: ...ility of injury to the user or damage to the instrument NOTE Advisory items related to performance or correct operation of the instrument f s maximum display or scale value or length of scale Signifie...

Страница 8: ...service entrance and to the power meter and primary overcurrent protection device distribution panel Measurement categories This instrument complies with CAT III safety requirements To ensure safe op...

Страница 9: ...of a breaker because unrestricted current flow could cause a serious accident if a short circuit occurs To avoid short circuits and potentially life threatening hazards never attach the clamp to a cir...

Страница 10: ...e Also before changing the power source unplug the power cord from the outlet to prevent hazards and remove the connection cord from any object under test Avoid stepping on or pinching the cable which...

Страница 11: ...radio transmitters This instrument may cause interference if used in residential areas Such use must be avoided unless the user takes special measures to reduce electromagnetic emissions to prevent i...

Страница 12: ...them all Next check Chapter 1 to 5 and the unit to confirm your understanding of the function Chapter 1 Product Overview Outlines the product and explains the names and functions of its parts Chapter...

Страница 13: ...1 _____________________________________________________________________ Product Overview ______________________________________________________________ Chapter 1 Product Overview...

Страница 14: ...ional recording Model 8205 10 MICRO HiCORDER is almost as easy to use as a simple DMM A broad range of applications from small signal electronic circuitry to commercial power circuits are supported by...

Страница 15: ...ecorded data and elapsed time are printed out with recorded measurements eliminating the need for complex multiple printouts for record storage and reporting 4 Wide measurement ranges The 0 1 to 500 V...

Страница 16: ...______________________ Printer Cover POSITION Control PAPER FEED Button ADJ Button CHART Button A CLAMP Selector SPEED Selector FUNCTION Switch RANGE Selector Test Voltage Input Terminals AC Connector...

Страница 17: ...ints appropriately on the recording paper Clamp Terminals Connect a clamp on sensor to these terminals to measure current Test Voltage Input Terminals Apply the test voltage across these terminals for...

Страница 18: ...indicated by the lit segment pointer in the graduated bar type scale Under range Indicator This arrow lights when the input is below the lower limit of the selected range the lowest level segment ligh...

Страница 19: ...ART button is pushed ON Elapsed Time Display Prints at 5 division intervals Setup Range Data 2 Prints at 10 division intervals and when the range setting or position control is changed Interval Printi...

Страница 20: ...________________________________________________ Product Overview ______________________________________________________________ NOTE When the printing speed is set to 20 cm min maximum the recording...

Страница 21: ...provided only to a 3 contact two conductor ground outlet To avoid electrical accidents turn the power switch off and unplug the power cords from the outlet after use Chapter 2 Measurement Procedures...

Страница 22: ...0 to 240 V AC the power cord should be selected to conform to the requirements of the mains voltage used To avoid electrical accidents unplug the power cord from the outlet after use and turn the powe...

Страница 23: ...Negative NOTE A proper ground connection is important for safety and to ensure stable operation The power wiring should be of sufficient current capability to handle the power consumption 30 VA maximu...

Страница 24: ...the POWER switch to the on position 2 The LCD should light Confirm that no error indicators appear 4 Make the appropriate settings for the intended type of measurement To measure DC voltage see Secti...

Страница 25: ...minals be very careful to avoid accidentally shorting conductors together and causing a serious accident Connection cords should be made only at the secondary side of a breaker so the breaker can prev...

Страница 26: ...___________________________ Example 1 Measuring the continuous operation of a device Battery used for test 6F22 9V Estimated recording period 90 hours Measure continuously until the battery replacemen...

Страница 27: ...V corresponding to the input signal level 4 Adjust the POSITION control to display 0 to 10V see Section 2 7 Item 3 regarding POSITION control adjustment 5 Set the SPEED selector to 2 cm hour according...

Страница 28: ...test period until the battery replacement warning is displayed 10 Press the CHART button again to stop recording 11 Disconnect the connection cords from the circuit under test 12 Press the PAPER FEED...

Страница 29: ...y careful to avoid accidentally shorting conductors together and causing a serious accident Connection cords should be made only at the secondary side of a breaker so the breaker can prevent an accide...

Страница 30: ...__________________________________ Example 2 Recording voltage changes at a breaker Estimated test voltage 200 V AC Recording period 24 hours 1 The supplied connection cords connect to the Test voltag...

Страница 31: ...the ADJ button to reset the zero position see Section 2 7 Item 9 regarding ADJ button 6 Connect the connection cords in parallel with the device under test 7 Press the CHART button to begin measuring...

Страница 32: ...___________________________ Measurement Procedures ______________________________________________________________ 13 Inspect the results In this example the voltage changes at the breaker over 24 hour...

Страница 33: ...ident if a short circuit occurs To avoid short circuits and potentially life threatening hazards never attach the clamp to a circuit that operates at more than the maximum rated voltage or over bare c...

Страница 34: ..._________________________________________________ Example 3 Recording current flow through a breaker Estimated test current 30 A Recording period 10 minutes 1 Connect the optional clamp on sensor to t...

Страница 35: ...ore as possible Non sinusoidal waveforms such as the secondary side of inverters may not be measurable Depending on the size and frequency of the measured current the core of the clamp may hum as a re...

Страница 36: ...begin measuring 8 Record for 10 minutes 9 Press the CHART button again to stop recording 10 Remove the clamp from the conductor being measured 11 Press the PAPER FEED button to feed out the recording...

Страница 37: ...ors If the input signal level is unknown begin measuring with the highest range to determine the approximate signal level then select the appropriate range for actual measurement Disconnect the clamp...

Страница 38: ...ck Engage the BNC connector grooves with the connector guide projections and turn the connector clockwise to lock the components To remove the BNC connector Turn the connector counterclockwise and pul...

Страница 39: ...nd high frequency signals see 2 5 1 When Measuring High Voltage and High Frequency Signals 3 Set the FUNCTION switch to AC 4 Set the Range selector to 0 5 V corresponding to the input signal level 5 S...

Страница 40: ...on sinusoidal waveforms such as the secondary side of inverters may not be measurable Do not attempt to measure current levels that are likely to exceed the specified maximum rating of the clamp on se...

Страница 41: ...X Scaling value Measurement value 250 mV X 10 A mV 2500 A 14 Press the PAPER FEED button to feed out the recording paper and cut it off 15 Turn the POWER switch off 16 Inspect the results In this exam...

Страница 42: ...en Measuring High Voltage and High Frequency Signals When measuring high voltage and high frequency signals using the 9667 the leak current increases due to the stray capacitance inside the unit To me...

Страница 43: ...rates at more than the maximum rated voltage or over bare conductors If the input signal level is unknown begin measuring with the highest range to determine the approximate signal level then select t...

Страница 44: ...put terminals Set the FUNCTION switch to AC Set the Range selector to 0 2 V Range of the clamp on probe Scaling value 10 A 0 05 A mV 20 A 0 1 A mV 50 A 0 25 A mV 100 A 0 5 A mV 200 A 1 A mV 500 A 2 5...

Страница 45: ...ck the elapsed time printed on the paper Centered POSITION State Normal State Maximum Offset State 2 7 Common Measurement Operations 1 Starting and ending recording Pressing the CHART button down star...

Страница 46: ...ct or alternating current respectively 6 Range selector Set according to the expected maximum amplitude of the measured signal 7 AC current measurement To measure AC current using an optional clamp on...

Страница 47: ...r 750 ms 10 cm hour 4 5 s 2 cm hour 22 5 s Standard Condition Hold the PAPER FEED button while turning the POWER switch on Average mode NOTE Continuing to hold the switch causes the paper to feed Aver...

Страница 48: ...put is 0 press the ADJ button To ensure zero input either short the tips of the connection cords or short the test voltage input terminals Measurement error will be larger in any input is present when...

Страница 49: ...ecording Paper 3 1 Opening and Closing the Printer Cover Opening the Printer Cover 1 Hook your fingertip under the projecting part of the printer cover and pull it up slightly to disengage the catch 2...

Страница 50: ...rding paper is loaded wrong side up The paper may jam if it is not aligned with the roller 3 2 Installing Recording Paper 1 Raise the print head Move the head up down lever up to raise the print head...

Страница 51: ...orage temp humidity 10 to 50o C 14 to 122 80 RH or less non condensating Operating temperature and humidity for guaranteed accuracy Period of guaranteed accuracy 23 5o C 73 41 35 to 80 RH non condensa...

Страница 52: ...1 L9257 CONNECTION CORD 1 9235 RECORDING PAPER 15 m 1 Roll Paper Spools 2 AC Power Cord 1 Instruction Manual 1 Options 9235 RECORDING PAPER 15 m 10 rolls 1 9236 01 RECORDING PAPER 15 m Climate resist...

Страница 53: ...tio Better than 50 dB 50 60 Hz less than 100 unbalance Frequency characteristics Within 3 3 dB for the range between 20 Hz to 30 kHz using 50 60 Hz as the standard reference point Effect of electromag...

Страница 54: ...hin 3 3 dB for the range between 20 Hz to 20 kHz using 50 60 Hz as the standard reference point independent of clamp on sensor characteristics Range information Sensitivity and display range are deter...

Страница 55: ...ating Signal input level DC 10 to 110 30 to 90 50 to 70 70 to 50 90 to 30 POSITION control selects the display range Minimum resolution 2 of range rating Low Supply Voltage when operating on DC Print...

Страница 56: ...Elapsed time from starting to record are printed at each 5 DIV Interval printing Measured values print along grid at each 2 DIV The average values of the waveform data are printed on the grid of prin...

Страница 57: ...e may result from condensation and corrosion During long term storage and during transportation the print head should be in the raised position Leaving the print head in the lowered position for an ex...

Страница 58: ...t no more than 40o C and 90 RH For permanent storage of important recorded data photocopy the recording paper If the thermal paper is exposed to an organic solvent such as alcohol or ketone it may no...

Страница 59: ...rding paper against the side of the printer head large amounts of paper dust will stick to the paper rolle 5 3 Cleaning the Printer Head To maintain print quality use the following method to clean the...

Страница 60: ...upside down Reinstall the paper Measured values unstable Ground not connected Connect the GND terminal to earth ground Input signals do not display A connection cord may be open Check and replace conn...

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