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8. MAINTENANCE AND MISCELANEOUS . . . . . . . . . . . . . . . . . . . . . .

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8.1 Periodical Checking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

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8.2 Storage, Transportation and Abandon . . . . . . . . . . . . . . . . . . . . 

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9. EXTERNAL APPEARANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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Содержание SM-8216

Страница 1: ...SUPER MEGOHMMETER Instruction Manual SM 8216 November 2010 Revised edition 2 SM8216A981 02 10 11H...

Страница 2: ......

Страница 3: ...r megohmmeter and samples 1 Safety Precautions Operators of the SM 8216 super megohmmeter are requested to read this operation manual thoroughly before operation for safety and to obtain best performa...

Страница 4: ...istance in a wide range The MS 8216 meter outputs a high test voltage 1000 V maximum to apply across the sample circuit Operators are requested to read this operation manual thoroughly before trying t...

Страница 5: ...eference to the operation manual DANGER HIGH VOLTAGE HAZARD This symbol is shown at the Rx Measuring terminals which carry a high voltage to be applied across the circuit to be measured WARNING DANGER...

Страница 6: ...h a dangerous residual voltage may be present for several minutes after the power is turned off If repair or internal readjustment is needed contact your local HIOKI Electronics distributor CAUTION Be...

Страница 7: ...rate the instrument with a wet hand This may cause electrical shock CAUTION When moving or transporting the super megohmmeter avoid shockand vibration as much as possible For long distance transportat...

Страница 8: ...ain specifications for the SM 8216 For detailed specifications see 2 SPECIFICATIONS For optional accessories see 7 OPTIONAL ACCESSORIES Main Specifications For detailed specifications see 2 SPECIFICAT...

Страница 9: ...ibes the functions of the controls and parts on the front and rear panels 5 PREPARATION FOR MEASUREMENT This section describes the measuring mode and setting mode before operation 6 MEASUREMENT This s...

Страница 10: ...viii...

Страница 11: ...nal Functions and Accessories 3 OPERATING PRINCIPLE 4 FAMILIARIZATION WITH CONTROLS AND PARTS 4 1 Front Panel 4 2 Rear Panel 5 PREPARATION FOR A MEASUREMENT 6 MEASUREMENT 6 1 Measuring Method 6 2 Usag...

Страница 12: ...b 8 MAINTENANCE AND MISCELANEOUS 8 1 Periodical Checking 8 2 Storage Transportation and Abandon 9 EXTERNAL APPEARANCE...

Страница 13: ...klet Power cord 1 Power cord with 3 prong plug with third for grounding Measuring rod Red 0GE00002 1 A measuring rod with a 1 meter cord to be connected to the Rx measuring terminal Measuring rod Blac...

Страница 14: ...position of the switch insert the tip of a flat blade screwdriver into the slot of the switch lever and slide the leverupward or downward CAUTION Before connecting the power cord to the AC outlet sock...

Страница 15: ...98 V to 242 V 220 V 10 240 V 216 V to 250 V 240 V 10V 10 1 4 Checking the Fuse Amperage The fuse holder of the instrument contains a time lag fuse of the following amperage CAUTION When the LINE SELEC...

Страница 16: ...system The round prong of the 3 prong plug of the power cord is the ground prong It is recommended to use an AC line socket with its third contact grounded for connection of the accessory 3 prong pow...

Страница 17: ...5 1 6 Warm up Period To obtain the performance of published specifications allow the SM 8200 Series super megohmmeter to warm for a minimum of 30 minutes...

Страница 18: ...s the sample to be measured by applying the selected measuring voltage when the MEASURE CHARGE DIS CHARGE function switch is set to the CHARGE position 2 DISCHARGE Function This function discharges a...

Страница 19: ...Remarks DC signal output resistance value Proportional or linear signal RP 80001 2 Factory installed DC signal output 1 R signal RI 80001 2 Factory installed 1 Either one of the RP 8000 or RI 8000 opt...

Страница 20: ...ce measurement Electrodes for liquid sample Measurement SME 8330 Capacity approx 25 mL Electrode constant Approx 500 cm Electrodes for continuous Liquid sample Measurement SME 8335 Capacity approx 30...

Страница 21: ...esistor And low drift voltage amplifier A measured resistance value is on a large analog meter Fig 3 1 1 shows a circuit composition of the SM 8216 Fig 3 1 1 SM 8216 Circuit Block Diagram Meter Indica...

Страница 22: ...selector POWER switch This is a power switch to turn on or off the instruments A press of this switch in the released position turns ON the unit When On the incorporated green indicator lights A press...

Страница 23: ...lects the function of the unit Before turning the power on be sureto set this switch to the DISCHARGE position After turning the power on and connecting the Rx measuring terminals to thesample to be m...

Страница 24: ...ATION FOR A MEASUREMENT ALARM Level Setting Knob This knob is provided only when the optional AL 8000 alarm device is installed The trigger level for the alarm can be adjusted with this knob ALARM Ind...

Страница 25: ...tches are to be set in accordancewith the local AC line voltage 50 or 60 Hz for the instrument For a proper setting see 1 3 Setting LINE SELECTOR Switches For line voltage change between 100 V 120 V a...

Страница 26: ...tch selects the mode of alarm output to the buzzer or relay contacts when the AL 8000 optional alarm device is installed OUTPUT Connector This connector is provided when the optional alarm device AL 8...

Страница 27: ...gh Voltage Enable connector Notes 1 The shorting plug is plugged to the HV EN connector when shipping from factory 2 When plugging the shorting plug make sure that the power is turned off otherwise th...

Страница 28: ...Turn the unit on by pushing the POWER switch The green indicator incorporated in the switch lights to show that the unit is being powered Allow the unit to warm for a minimum of 30 minutes to obtain t...

Страница 29: ...tch to the position in accordance with your measurement program 22 If there is no idea about the measuring voltage to use set the VOLTAGE selector to the lowest voltage available 10 V to try the first...

Страница 30: ...ge the charge For detailed discharge function see 6 2 Using the MEASURE CHARGE DISCHARGE Function Selector Notes 1 When the red measuring rod connected to the Rx terminal is connected to the ground en...

Страница 31: ...ging the RANGE selector setting 1 Set the RANGE and VOLTAGE selectors according to your measurement program Set the MEASURE CHARGE DISCHARGE function selector to the DIS CHARGE position Connect the me...

Страница 32: ...ring voltage charging timeconstant Most widely used measuring voltage charging times are 1 minute rating and 3 minute rating 6 2 Usage of the MEASURE CHARGE DISCHARGE Function Selector The MEASSURE CH...

Страница 33: ...onnected to the terminals and measured insulation resistance value is indicated on the analog meter 6 3 Interlocking Function Using the HV EN Connector The super megohmmeter generates a high voltage t...

Страница 34: ...ection of a customer designed measuring jig to the HV EN connector use an optional HV EN plug 6 4 Calibration Function This function is intended to check the accuracy of the measuring voltage and the...

Страница 35: ...or is considered as shown in Fig 6 5 1 Fig 6 5 1 Equivalent Circuit of an Insulator When a voltage is applied to the circuit a charging current flows through a bank of capacitors C0 C1 C2 Cn Firstly C...

Страница 36: ...esistance value of an insulator and is widely employed among a variety of electrical standards In the 1 minute rate insulation resistance measurement the measured values may vary when a measurement is...

Страница 37: ...insulation resistance can be obtained when the measuring voltage is divided by the current flowing through the circuit When the measuring voltage is constant if the insulation resistance is doubled t...

Страница 38: ...f a variety of recording charts and technical service 3 Output voltage These tables show the relations between displayed value of SM 8216 super megohmmeter and output voltage of RP 8000 Target voltage...

Страница 39: ...DC signal output 1 Specifications Output Range Full range of the measuring range of the SM 8216 super megohmmeter Output Voltage 10V minimum value of each range of super megohmmeter 1 V 10 times mini...

Страница 40: ...value 0 25 0 5 2 5 Output voltage 10V 5V 1V Target voltage 100V Displayed value 0 5 1 5 Output voltage 10V 5V 1V Target voltage 250V Displayed value 1 25 2 5 12 5 Output voltage 10V 5V 1V Target volta...

Страница 41: ...Rx measuring terminals and input output terminal board with soft cloth 3 Visually check the LCD display for brightness and clearness 4 Check the action of the switches and pushbutton switches for smoo...

Страница 42: ...30 9 EXTERNAL APPEARANCE Unit mm 222 D 190 H 280 W...

Страница 43: ......

Страница 44: ...ts of product development the contents of this manual are subject to revision without prior notice The content of this manual is protected by copyright No reproduction duplication or modification of t...

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