SUPER MEGOHMMETER
INSTRUCTION MANUAL
SM-8213SM-8215SM-8220
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Page 1: ...SUPER MEGOHMMETER INSTRUCTION MANUAL SM 8213 SM 8215 SM 8220 www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...
Page 2: ...V maximum for the SM 8213 to apply across the sample circuit Operators are requested to read this operation manual thoroughly before trying to operate the instrument for safety and to prevent electri...
Page 3: ...1 1 Safety Warnings This operation manual includes some DANGER WARNING and CAUTION notice with a symbol These must be observed for safety of the operator and other persons as well as for protection of...
Page 4: ...HAZARD This symbol is shown at the Rx Measuring terminals which carry a high voltage to be applied across the circuit to be measured This symbol is shown at the GND terminal on the rear of the unit If...
Page 5: ...after turning off the instrument power switch 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 de...
Page 6: ...may cause electrical shock CAUTION When moving or transporting the super megohmmeter avoid shock and vibration as much as possible For long distance transportation put the instrument in a shock absor...
Page 7: ...hows the main specifications for the super megohmmeters For detailed specifications see 2 SPECIFICATIONS For optional accessories see 9 OPTIONAL ACCESSORIES Main Specifications For detailed specificat...
Page 8: ...the measuring mode setting mode and operations A variety of measured value display methods are also given 6 MEASUREMENT This section provides details for function setting connection to the work to be...
Page 9: ...NTROLS AND PARTS 4 1 Front Panel 4 2 Rear Panel 4 3 Measuring Display 4 4 Measuring Condition Setting Display 4 5 Meanings of the Status and Mode Notices 5 PREPARATION FOR A MEASUREMENT 5 1 Preparatio...
Page 10: ...onnector Specifications 7 4 Printer Output 8 REMOTELY CONTROLLED MEASUREMENT 9 INTRODUCTION OF OPTIONS 9 1 Guard Tip 9 2 DC Signal Outputs 9 2 1 DC Output RP 8000 Directly proportional or linear to re...
Page 11: ...g adapter 0AA00002 1 This adapter makes it possible to use the 3 prong plug power cord with 2 prong AC output Attached to the power cord 3 prong plug when shipping from factory Measuring rod Red 0GE00...
Page 12: ...ositions in accordance with Fig 1 1 If they are not set properly correct their positions accordingly To change the position of the switch insert the tip of a flat blade screwdriver into the slot of th...
Page 13: ...Do not leave the lever at a neutral position If the lever is set at a neutral position a normal function cannot be obtained and it will cause a failure CAUTION When the VOLTAGE SELECTOR switch positio...
Page 14: ...g 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 power cord To use the acc...
Page 15: ...d To obtain the performance of published specifications allow the SM 8200 Series super megohmmeter to warm for a minimum of 30 minutes www GlobalTestSupply com Find Quality Products Online at sales Gl...
Page 16: ...05 to 2 1012 100 V 2 5 105 to 1 1012 50 V Accuracy of measuring voltage 3 of set value Measuring output current 2 mA maximum Accuracy of measurement 10 A range of 10 times of the minimum value of each...
Page 17: ...he voltage charging time and the measuring time respectively within a range from 1 to 999 seconds After the set time is up the measured value is shown held 5 COMPARISON and JUDGMENT Function This func...
Page 18: ...001 See 9 1 Printer 0KC00001 Printer cable 0GC00004 Printer roll chart P000119 Printer ribbon cassette P000124 RS 232C cable DOS V 0GC00002 HV EN connection plug with cord 0GZ00002 Time lag fuse 0 4 A...
Page 19: ...uid sample measurement SME 8330 Capacity approx 25 mL Electrode constant Approx 500 cm Electrodes for continuous liquid sample measurement SME 8335 Capacity approx 30 mL Electrode constant Approx 75 c...
Page 20: ...A measured resistance value is computation processed by a CPU to display the result on a liquid crystal display LCD Fig 3 1 shows a circuit composition of the SM 8200 Series Fig 3 1 Circuit Compositio...
Page 21: ...e unit V OUT Indicator This indicator lights when the Rx measuring terminals carry a measuring voltage across them Rx Measuring Terminals These terminals carry a selected measuring voltage across them...
Page 22: ...the timer function is used to determine the charging period the measurement automatically starts when the set time is up MEASURE DISCHARGE Switch This switch starts a measurement of the sample in con...
Page 23: ...the power fuse amperage must be also changed accordingly AC LINE Receptacle This connects the accessory power cord TIME LAG FUSE Holder This holder contains a time lag fuse in a glass tube The amperag...
Page 24: ...s provided for connection of an external interlocking switch on the measuring jig designed to block the application of a high voltage across the Rx measuring terminals for safety of the operator when...
Page 25: ...cale This shows the scale for the analog indicator reading When the measuring voltage is changed the scale and values are changed accordingly NO GO Comparison Judgment Indication When the NO GO compar...
Page 26: ...status to CAL2 Highlighted Comparison and Judgment Value When the COMP comparison and judging level setting mode is selected the value is shown high lighted and the it can be changed with the UP and...
Page 27: ...the RANGE selector switch is set to the CAL position 3 CAL2 Calibration 2 This is shown when the SELECT switch is pushed while the CAL1 notice is shown 4 C SET Measuring voltage charging time setting...
Page 28: ...surement the shorting plug must be kept plugged in WARNING Before trying to plug the shorting plug into the HV EN connector be sure to turn the POWER switch OFF 5 1 Preparation Confirm the setting of...
Page 29: ...een When the unit is normal the measured value indication area should show a value within a range from 970 3 to 1 03 3 If the CAL2 calibration is not needed set the RANGE switch to a position other th...
Page 30: ...rison and Judgment Value Setting See 6 6 2 See 6 3 See 6 2 5 3 Basic Procedures for a Measurement Preparation Measurement End Power ON VOLTAGE SELCTOR Switch Setting 30 minute warm up Calibration Samp...
Page 31: ...GE selector switch to the range to be expected If there is no idea about the approximate insulation value of the sample set the selector to the 1 range Press the MEASURE switch to start a measurement...
Page 32: ...e known by the indicator Indicator ON MEASURE OFF DISCHARGE In the DISCHARGE status a resistor of approx 100 k is internally inserted to discharge the charge of the sample A time required to discharge...
Page 33: ...r for Interlocking Connect the HV EN connector to a switch to be actuated by the interlocking mechanism of a measuring jig via an optionally available HV EN plug connected with a cord Fig 6 4 1 shows...
Page 34: ...open collector as shown as an equivalent circuit in Fig 6 5 3 Use this circuit within the conditions shown below Voltage 50 V or less Current 50 mA or less Fig 6 5 1 shows a circuit diagram for conne...
Page 35: ...50 seconds Fig 6 6 1 1 Press the SELECT switch twice to show the M SET indication in the lower left area of the LCD for the measuring timer setting mode 2 Using the UP and DOWN switches set the time...
Page 36: ...d VOLTAGE values set desired RANGE and VOLTAGE first 6 6 3 Setting Buzzer Sound ON OFF Fig 6 6 3 1 Press the SELECT switch 4 times to show the BUZZ indication in the lower left area of the LCD for the...
Page 37: ...l is OK press the SELECT switch to enter it This action provides the buzzer sound on off setting mode showing the BUZZ indication 10 Using the UP and or DOWN switches set ON or OFF for the buzzer Fig...
Page 38: ...electric absorption phenomena The equivalent circuit of an insulator is considered as shown in Fig 6 7 1 Fig 6 7 1 When a voltage is applied to the circuit a charging current flows through a bank of c...
Page 39: ...ute rate value for the resistance 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 va...
Page 40: ...Response 0 valid or 1 in valid P Judgment Level Setting Format P 000 to 999 C R L F Example P 100 CR LF Response 0 valid or 1 in valid B Judgment Buzzer Setting Format B OFF 0 or ON 1 CR LF Example B...
Page 41: ...4 For a P command if a value out of the specified measuring range is received without an actual setting 7 3 Connector Specifications Type of Connector HDBE 9PF 05 Hirose Type of Lock Fitting HD LNA 4...
Page 42: ...r Output Procedures 1 Connect the RS 232C interface connector on the rear of the unit to the optional printer via the dedicated connection cord 2 Set the measuring intervals as needed See Fig 6 6 1 3...
Page 43: ...nal block on the rear of the unit When the terminals are shorted by a remote switch a measurement will start and when opened the measurement is ended Fig 8 1 1 shows an example wiring and the signal t...
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Page 45: ...ith the timer is up Note that when the closed G and terminals are opened before the time up of the timer the opening of the G and terminals has a priority over the time set with the timer Note 3 When...
Page 46: ...ed measuring rod to the Rx terminals mount the guard tip on the measuring plug as shown in Fig 9 1 1 Fig 9 1 1 2 After mounting the guard tip connect the measuring rod to the Rx measuring terminals 3...
Page 47: ...Connect the sample as shown in Fig 9 1 2 below Fig 9 1 2 4 Press the MEASURE switch to start the measurement DANGER Do not touch the Rx measuring terminals and the connected sample when the unit is i...
Page 48: ...is inversely proportional to the measured resistance RI 8000 9 2 1 DC Output RP 8000 Directly proportional or linear to resistance An insulation resistance can be obtained when the measuring voltage...
Page 49: ...recorder is recommended for better technical follow up including a supply of a variety of recording charts and technical service Fig 9 2 3 shows the chart for the HIOKI EPR 3000 Series chart recorder...
Page 50: ...thod designed in 6 1 Measuring Method There is no limitation in the applications in relation with the provision of the RP 8000 DC output Fig 9 2 1 on the previous page illustrates an example connectio...
Page 51: ...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 smooth and trouble free operation 5 Measure...
Page 52: ...42 11 EXTERNAL APPEARANCE Unit mm Approx Approx www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...
Page 53: ...roduction of this manual but if you find any points which are unclear or in error please contact your supplier or the International Sales and Mar keting Department at HIOKI headquarters In the interes...
