Hioki SM-8213 Instruction Manual
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Hioki SM-8213 Instruction Manual

Hioki SM-8213 Instruction Manual

Super megohmmeter
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INSTRUCTION MANUAL
SM-8213
SM-8215
SM-8220
SUPER MEGOHMMETER
GlobalTestSupply
www.
.com
Find Quality Products Online at:
sales@GlobalTestSupply.com

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Summary of Contents for Hioki SM-8213

  • Page 1 INSTRUCTION MANUAL SM-8213 SM-8215 SM-8220 SUPER MEGOHMMETER GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
  • Page 2 The meter outputs a high test voltage – 1000 V maximum for the SM-8220/8215, and 100 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 electrical shock and damage to the measured circuit.
  • Page 3 1. Safety Precautions Operators of the SM-8200 Series super megohmmeter are requested to read this operation manual thoroughly before operation for safety and to obtain best performance. Operators are also requested to strictly observe all the DANGER, WARNING, and CAUTION notices in this manual and on the instrument to prevent injury and damage.
  • Page 4 1.2 Symbols on the Super Megohmmeter Symbol Meaning Description WARNING This symbol is shown at pats whose usage needs reference to the operation manual. DANGER – This symbol is shown at the Rx “-“/”+” HIGH VOLTAGE Measuring terminals which carry a high voltage HAZARD to be applied across the circuit to be measured.
  • Page 5 ■Do not touch the Rx “–”/“+” measuring terminals on the front panel of the instrument during measurement. They output a maximum of 1000 V (SM-8220/8215) or 100 V (SM-8213) for measurement. WARNING ■ Ground the ground prong of the power cord plug to avoid electrical shock. If the ground prong cannot be grounded, connect the GND terminal on the rear of the instrument to a ground.
  • Page 6 ■ If the instrument generates smoke or smell, unplug the power cord. If such an instrument is kept powered on, it may cause a fire. Contact your dealer or Hioki representative for repair. ■Do not operate the instrument with a wet hand. This may cause electrical shock.
  • Page 7 For optional accessories, see 9. OPTIONAL ACCESSORIES. Measuring Voltage Ranges: SM-8213 – 5, 10, 15, 25, 50 and 100 V SM-8215 – 50, 100, 250, 500 and 1000 V SM-8220 – 10, 25, 50, 100, 250, 500 and 1000 V Measuring Resistance Range: SM-8213: 2.5×10...
  • Page 8 Organization of This Operation Manual This operation manual contains the following 10 sections. 1. PREPARATION BEFORE OPERATION This section describes precautions for unpacking and AC line voltage setting. 2. SPECIFICATIONS This section describes the specifications for the SM-8200 Series super megohmmeters and optional accessories.

  • Page 9: Table Of Contents

    Ｃ Ｏ Ｎ Ｔ Ｅ Ｎ Ｔ Ｓ 1. PREPARATION BEFORE OPERATION ..... . . １ 1.1 Unpacking and Checking of the Contents ....１ 1.2 Operating AC Line Voltage .
  • Page 10 6.6.3 Setting Buzzer Sound ON/OFF ..... . ２ ６ 6.6.4 Setting the Charging Time, Measuring Time, Comparison GO/NO Judging Level and Buzzer Sound ON/OFF..２ ６ 6.7 Changes in the Current Flowing through Insulators.

  • Page 11: Preparation Before Operation

    1. PREPARATION BEFORE OPERATION 1.1 Unpacking and Checking of the Contents When you have received the carton of the SM-8200 Series super megohmmeter, carefully unpack it, and take out every thing from the carton. Although the instrument and its accessories are severely inspected before shipment from factory, visually check the items and their quantities.

  • Page 12: Operating Ac Line Voltage

    Upon checking the instrument and accessories, if any damage is found, immediately contact your dealer or Hioki representative. 1.2 Operating AC Line Voltage The super megohmemeter can be operated from one of the following AC power source when the VOLTAGE SELECTOR switches are set accordingly.

  • Page 13: Checking The Fuse Amperage

    CAUTION The VOLTAGE SELECTOR switches have two positions – up and down. Slide the switch lever to either position until it stops. 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.

  • Page 14: Grounding The Chassis

    Fuse Replacement The fuse is inserted in the FUSE holder (Fig. 1.2) on the rear of the unit. Remove the cap, and replace the fuse with a new one with a correct amperage. To remove the cap of the fuse holder, use a 4 mm Phillips screwdriver, and turn the cap counterclockwise.

  • Page 15: Warm-Up Period

    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. GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...

  • Page 16: Specifications

    SPECIFICATIONS 2.1 Measuring Performance 1) Electrical Resistance Measurement SM-8213 Measuring Voltage Measuring Range (Ω) 100 V 5.0 × 10 to 2 × 10 50 V 2.5 × 10 to 1 × 10 25 V 1.25 × 10 to 5 × 10 15 V 7.5 ×...

  • Page 17: Function Specifications

    This function allows a remotely controlled measurement by means of a remote switch. 2.3 Other Electrical and Physical Data 1) Environmental temperature and Humidity Operation: 0 to 40℃ (SM-8213/8215), less than 85% RH 0 to 35℃ (SM-8220), less than 85% RH Storage: -5 to, less than 85% RH GlobalTestSupply www.

  • Page 18: Optional Functions And Accessories

    2) Power Requirements AC 100 V, 120 V, 220 V, ±10%, 240 V +10 V, -10% 50/60 Hz 3) Power Consumption Approx. 25 VA 4) Dimensions Approx. 284 (W) × 139 (H) × 215 (D) mm Also, see 11. EXTERNAL VIEW for external appearance. 5) Weight Approx.
  • Page 19 Electrode constant: Approx. measurement 75 cm Electrodes for chip SME-8360 Chip capacitor measurement capacitors Other types of optional electrodes and devices are available upon request. Contact your dealer or Hioki representative. GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
  • Page 20 3. OPEARATING PRINCIPLE The SM-8200 Series super megohmmeters consist of a constant voltage power supply and a high sensitive current measuring section to be combined to compose a resistance measuring circuit. The current measuring section is composed of a current detective resistor, low drift voltage amplifier and an integrator-type A/D converter.

  • Page 21: Familiarization With Controls And Parts

    4. FAMILIARIZATION WITH CONTROLS AND PARTS 4.1 Front Panel The figure below shows the front panel of the SM-8200 Series. However, note that the values for the two knobs on the right are represented by those of the SM-8213. ① ②...
  • Page 22 on the Rx -/+ measuring terminals OFF when it is pressed while the measuring voltage is being applied. ⑥ DOWN Switch: This switch decreases the value to set each time it is pressed. ⑦ UP Switch: This switch increases the value to set each time it is pressed. ⑧...

  • Page 23: Rear Panel

    4.2 Rear Panel The figure below shows the rear panel of the SM-8200 Series. However, note that the VOLTAGE SELECTOR switches are set for the operation from 100 V AC line. ⑱ ⑰ ⑯ ⑮ ⑫ ⑬ ⑭ Fig. 4.2 Rear Panel ⑫...
  • Page 24 ⑯ External Input/Output Terminal Block: This terminal block carries signals measured result judgment outputs, optional DC output, and remote signal input. For details, see the following sections; 6.5 Comparison and Judgment Function 8. MEMORY CONTROLLED MEASUREMENT 9.2 DC Signal Output ⑰...

  • Page 25: Measuring Display

    4.3 Measuring Display In the measuring mode, the LCD display shows the resultant measured resistance value and its NO/GO judgment, as well as the measuring voltage and time. ⑦ ⑥ ⑧ ０００ ｓ ．５ １ ２ ５ １０ ２０ ⑨ ⑤...

  • Page 26: Measuring Condition Setting Display

    4.4 Measuring Condition Setting Display The LCD display showing the measuring condition setting. ⑬ ０００ ｓ ．５ １ ２ ５ １０ ２０ ⑫ １００Ｖ ３ １０ ＬＯＣＫ ＭΩ Ｍ.ＳＥＴ ⑭ ⑩ ⑪ Fig. 4.4 ⑩ Status and Mode Notice: When the MEASURE/DISCHARGE selector switch is set to the DISCHARGE position, press the SELECT switch to enter the setting mode, and the selected mode is shown in this box.

  • Page 27: Meanings Of The Status And Mode Notices

    4.5 Meanings of the Status and Mode Notices This describes the meanings of the status and mode notice in the lower left corner of the LCD display. 1) LOCK (Interlocking): The test voltage applying circuit is interlocked, an measurement is not ready, yet. This notice is shown when the interlocking function is in use, but the HV-EN plug or measuring rod plug is not plugged into the connector.

  • Page 28: Preparation For A Measurement

    5. PREPARATION FOR A MEASUREMENT WARNING Make sure, before turning the instrument on, that the VOLTAGE SELECTOR switches on the rear of the unit are properly se t to the positions in agreement with the local AC line voltage. If the agree- ment is failed, the unit may break a fire or burning.
  • Page 29 4) Confirm that accessory shorting plug inserted into HV-EN connector on the rear the unit. 5) Leave the Rx -/+ measuring terminals free at this stage – do not connect the measuring rods and the sample to be measured to the terminals. 6) Set the RANGE selector switch to the ×1 position –...

  • Page 30: Preparation

    5.3 Basic Procedures for a Measurement <Preparation> VOLTAGE SELCTOR Switch Setting VOLTAGE SELCTOR switch setting HV-EN shorting plug insertion Power ON 30-minute warm-up Calibration <Measurement> Sample Connection VOLTAGE SELCTOR switch setting HV-EN shorting plug insertion Control Setting Measuring Voltage Setting Range Setting Timer Setting -- (See 6.6.1) Comparison and Judgment Value Setting...

  • Page 31: Measurement

    6. MEASUREMENT 6.1 Measuring Method 1) Plug the accessory measuring rods to the Rx +/- measuring terminals until they are stopped. ■ Red measuring rod to the Rx - measuring terminal ■ Black measuring rod to the Rx + measuring terminal Note that each terminal has an incomple te plugging detection switch.
  • Page 32 becomes a significant parame ter for the measuring conditions. In most cases, the value of 1 minute after voltage charging is read as a 1 minute rate value. The integrated timer can de termine the value at 1 minute after voltage charging. For details, see 6.6. Note 3: When a measuring jig is used, it is recommended to provide an interlocking switch with it for safety.

  • Page 33: Interlocking Function - Using The Hv-En Connector

    6.4 Interlocking Function – Using the HV-EN Connector The super megohmmeter generates a high voltage to be used as a testing power source. I t is dangerous if this measuring voltage is output to the sample not ready for measurement, yet. To protect the operator from a hazard of e lectrical shock, the HV-EN (high voltage enable ) connector is provided on the rear of the unit to provide an interlocking function in combination with a measuring jig.

  • Page 34: Comparison And Judgment Function

    6.5 Comparison and Judgment Function This function is provided to sound a built-in buzzer, and turn on the COMP OUT G/+ te rminals when the measured insulation resistance is lower than the preset judgment value and make the COMP OUT G/+ terminals are of open collector as shown as an equivalent circuit in Fig.

  • Page 35: Setting A Variety Of Functions

    6.6 Setting a Variety of Functions A variety of useful functions can be set when the RANGE selector switch is set to any position other than the CAL , and by using the SELECT, UP and DOWN switches. Each time the SELECT switch is pushed, the LCD display is changed in the order of the Measuring Display →...

  • Page 36: Setting Buzzer Sound On/Off

    1) Set the VOLTAGE selector switch to 100 V. 2) Set the RANGE selector switch to×10 3) Press the SELECT switch 3 times to show the COMP indication in the lower left area of the LCD for the comparison GO/NO judgment level. 4) Using the UP and DOWN switches, set the GO/NO judgment level to 100×10 MΩ...
  • Page 37 ＲＡＮＧＥ ×10 ０１０ ｓ ．５ １ ２ ５ １０ ２０ ＶＯＬＴＡＧＥ ２ １００Ｖ １０ ＭΩ Ｃ.ＳＥＴ Fig. 6.6.4 SELECT DOWN CHARGE MEASURE/DISCHARGE 1) Set the VOLTAGE selector switch to 100 V . 2) Set the RANGE selector switch to ×10 3) Press the SELECT switch to show the C.

  • Page 38: Changes In The Current Flowing Through Insulators

    6.7 Changes in the Current Flowing through an Insulator In insulation resistance measure ments, a large amount of current flows upon the application of the test voltage to the insulator. The current gradually reduces its value with time, but it takes a time until the value becomes stable and fixed.
  • Page 39 ,..R Have series resistors R . Therefore, a measurement of R only is very difficult. I t is said that, with some insulation resistance measurements, it takes several hours to a few days for the leakage curre nt to stabilize.
  • Page 40 7. RS-232C INTERFACE 7.1 RS-232C Communication Commands Mnemonic Contents Format Measuring Data Output Format: R Response: ****E*, Judgment [GO] 0 or [NO] 1 Example: 10.0E4, 0 Starting a Measure ment Format: M Response: 0 (valid) or 1 (invalid) Starting a Charging Format: C Response: 0 (valid) or 1 (invalid) Stopping Forcedly...

  • Page 41: Applications Of Commands

    7.2 Applications of Commands 1) After each command transmission, make sure to receive the response. 2) For R command, a state only response will be received, depending upon the conditions at such a time. Even during measurement, a state 7 only response will be received when the timer is functioning.

  • Page 42: Printer Output

    2) For connection with an NEC PC-9801 Series personal computer, use a straight 9-pin to 25-pin cable. 《 9-pin》 《 25-pin》 7.4 Printer Output Via the RS-232C interface, measured data can be output to an optional printer, 0KC00001. [Printer Output Procedures] 1) Connect the RS-232C interface connector on the rear of the unit, to the optional printer via the dedicated connection cord.

  • Page 43: Remotely Controlled Measurement

    8. REMOTELY CONTROLLED MEASUREMENT A measurement can be remotely controlled by shorting the “G” and “+” terminals of the REMOTE IN of the External Input/Output terminal 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.
  • Page 44 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
  • Page 45 Note 1: When the measuring time is set with the incorporated timer, the timer has a priority over a remotely controlled switch actuation. When the REMOTE IN “G” and “+” terminals are closed, a measurement will start. The measurement will automatically end when the time set with the timer is up.

  • Page 46: Introduction Of Options

    9. INTRODUNTION OF OPTIONS With the SM-8200 Series super megohmmeters, any of the following options can be provided as needed. However, note that some of them can be installed at factory. 9-1 Guard Tip 1) Applications 1)-1 In a measurement of the insulation resistance of a capacitive sample, the optional guard tip is used as a charging tip.
  • Page 47 Note 2: There is no technical standards available to specify the charging time for samples, but a constant time should be always applied to a specific type of samples, and such a time should be recorded for later reference. 2)-2 Leakage Guard (1) Before connecting the measuring rods to the Rx -/+ measuring terminals, mount the guard tip onto the red measuring rod as shown in Fig.

  • Page 48: Dc Signal Outputs

    6.1 Measuring Method. There is no limitation in the applications in re lation with the provision of the RP-8000 DC output. Fig. 9.2.1 on the next page illustrates an example connection with the HIOKI EPR-3000 Series chart recorder. GlobalTestSupply www.
  • Page 49 Fig. 9.2.3 shows the chart for the HIOKI EPR-3000 Se ries chart recorder (0 to 10 V full span) whose measuring range is set to ±5 V, and the –5 V point is set to the zero (left most) line of the chart.

  • Page 50: Dc Output, Ri-8000

    Fig. 9.2.3 shows the chart for the HIOKI EPR-3000 Series chart recorder (0 to 10 V full span) whose measuring range is set to ±5 V, and the –5 V point is set to the zero (left most) line of the chart.

  • Page 51: Maintenance And Miscelaneous

    Periodical maintenance, including checking and calibration is required for the MS-8200 super megohmmeter to pe rform reliable measurements and prevent a trouble and accident. If necessary, ask your dealer or Hioki representative to do such a service as periodical checking, calibration and routine maintenance. 10.1 Periodical Checking To keep your instrument its at best condition, the following checking is required at monthly periods.

  • Page 52: External Appearance

    11. EXTERNAL APPEARANCE Approx Unit: mm GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
  • Page 53 HIOKI SM-8213, 8215, 8220 SUPER MEGOHMMETER Instruction Manual Publication date: November 2006 Edition 1 Edited and published by HIOKI E.E. CORPORATION Technical Support Section Printed in Japan SM8213A981-00 • All reasonable care has been taken in the production of this...

This manual is also suitable for:

Sm-8215Sm-8220

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