Hioki SM-8213, SM-8215, SM-8220 Instruction Manual

SM-8213 SM-8215
Instruction Manual
SM-8220
SUPER MEGOHMMETER
Oct. 2019 Revised edition 7 SM8213A981-07 19-10H
EN
The super megohmmeter is a unique resistance meter designed to measure highresistance in a wide range.
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.
Keep this manual where all staff can access it any time.
i
destroy the super megohmmeter and samples.
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.
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 your super megohmmeter and samples from possible damage and destruction.
DANGER
A “DANGER” CALLS ATTENTION TO A CONDITION OR POSSIBLE
SITUATION THAT CAN CAUSE DEATH OR INJURY TO THE
OPERATOR OR NEAR PESONS.
A “WARNING” CALLS ATTENTION TO A CONDITION OR POSSIBLE
SITUATION THAT COULD CAUSE DEATH OR INJURY TO THE
OPERATOR OR NEAR PESONS.
CAUTION
could cause injury to the operator or persons nearby and damage and
WARNING
A “CAUTION” calls attention to a condition or possible situation that
ii
背面パネル
警告、危険シール
DANGER
端子より高電圧発生の為、
感電の恐れあり。
HIGH VOLTAGE
危 険
高電圧危険
Electric shock hazard!
Terminals carry high voltage.
正面パネル
HAZARD
This symbol is shown at the GND
cannot be grounded, this terminal must be connected to the ground.
2) DANGER and WARNING Labels on the Rear Panel
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 – HIGH VOLTAGE
This symbol is shown at the Rx “-“/”+” Measuring terminals which carry a high voltage to be applied across the circuit to be measured.
terminal on the rear of the unit. If the ground prong of the power cord plug
Safety Warning Labels on the Super Megohmmeter
1) DANGER and WARNING Labels on the Housing and Front Panel
iii
(SM-8213) for measurement.
2. Operating Environmental Precautions
D
Do not operate the super megohmmeters in the presence of flammable gas. There is
possibility of an explosion and/or fire.
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
DANGER
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. When the power cord plug is connected to the AC line socket via an
accessory 3-prong to 2-prong adapter, the green ground tab of the adapter to the
ground.
Do not remove the housing cover of the instrument. Even 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 dealer or
Hioki representative.
To avoid electric shock, do not exceed the lower of the ratings shown on the instrument and test
leads.
iv
age supply) or will not function
CAUTION
Before turning on the power switch for the instrument, check that the VOLTAGE
SELECTOR switches are set for your local AC line voltage. If the wrong AC line voltage is
applied to the unit, it will be damaged (higher volt
properly (lower voltage supply).
See 1.3 Setting VOLTAGE SELECTOR Switches for setting.
Use the right size and amperage power fuse. If a fuse of incorrect amperage is inserted
into the fuse holder, the unit will be damaged.
See 1.4 Checking the Fuse Amperage for a correct fuse amperage.
■Do not install or operate the super meghommeter on a surface which is not level or
not stable.
Do not operate the instrument in any of the following locations: exposed to high concentrations
of dust particles, susceptible to vibration, exposed to direct sunlight, exposed to vapor, near
heating systems, or exposed to cold air. Failure to observe this could cause damage to the
instrument.
3. Installation Precaution
CAUTION
Do not install or place the super megohmmeter in a location which is not level, not
stable or not sturdy enough to hold the instrument and other related items.
4. Instrument Handling Precautions
WARNING
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.
v
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-absorbing
carton or use the original shipping carton.
■When not using the super megohmmeter for an extended period of time, unplug the power
cord from the AC line socket. Put a dust cover on the instrument. Store it in a place free of
corrosive gas and vibration, with a surrounding temperature within the range from –5 to
45℃, and humidity 80% RH or less(non-condensating).
■Do not place anything on the instrument.
■Insert and remove any leads and plugs straight. Turning them, or inserting or removing
them at an angle could cause damage to the instrument as well as the leads and
plugs.
vi
About the SM-8200 Series Super Megohmmeters
BRIEF DESCRIPTION
The SM-8200 Series super megohmmeters are insulation resistance meters consisting of a constant voltage
power supply and a high sensitive current measuring section. The super megohmmeters are designed to
measure the electrical resistance of insulating materials with high insulation properties.
The resistance measuring ranges of the SM-8200 Series are as follows:
SM-8213: 2.5×104 to 2×1012Ω
SM-8215: 2.5×105 to 2×1013Ω
SM-8220: 5.0×104 to 2×1016Ω
Each model of the super megohmmeters is provided with an LCD 320×240 dot display for easy
observation of necessary information, including measuring voltage, measured resistance in both
digital and analog, timer, and resultant GO/NO judgment.
The following shows the main specifications for the super megohmmeters.
Main Specifications –
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:
For detailed specifications, see 2. SPECIFICATIONS.
Timer Function: Provided
Comparison and Judgment Function: Provided
HV-EN (High Voltage Enable) Interlocking Function: Provided
Voltage Charging Function: Provided
Voltage Discharging Function: Provided
RS-232C Interface Connector: Provided
Remote Measurement Function: Provided
SM-8213: 2.5×104 to 2×1012Ω
SM-8215: 2.5×105 to 2×1013Ω
SM-8220: 5.0×104 to 2×1016Ω
vii
Organization of This Operation Manual
This operation manual contains the following 11 sections.
1. PREPARATION BEFORE
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.
3. OPERATING PRINCIPLE
This section describes the operating principle with a block diagram of the SM-8200 Series.
4. FAMILIARIZATION WITH CONTROLS AND PARTS
This section describes the functions of the controls and parts on the front and rear panels.
5. PREPARATION FOR MEASUREMENT
This section describes the LCD display in detail for the measuring mode, setting mode and
operations. A variety of measured value display methods are also given.
OPERATION
6. MEASUREMENT
This section provides details for function setting, connection to the work to be measured, and
usage of a variety of optional measuring jigs and electrodes.
7. RS-232C INTERFACE
This section describes the application of the serial port interface.
8. REMOTELY CONTROLLED MEASUREMENT
This section describes the remote measuring function.
9. INTRODUCTION OF OPTIONALS
This section describes the optional accessories, including guard chips, DC signal outputs, and
others.
10. MAINTENANCE AND MISCELANEOUS
This section describes maintenance and calibration.
EXTERNAL APPEARANCE
11.
This section includes front, rear and side view illustrations of the instrument with dimensions.
viii
CONTENTS
1 1 2
2 3 4
10
13
15 15 17 19 20 21
23 23 24 2 4
25
26
27 27
28 28 29 30
1. PREPARATION BEFORE OPERATION . . . . . . . . . . . . . . . . . . . . . . .
1.1 Unpacking and Checking of the Contents . . . . . . . . . . . . . . . . . . .
1.2 Operating AC Line Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3 Setting the VOLTAGE SELECTOR Switches . . . . . . . . . . . . . . . . . .
1.4 Checking the Fuse Amperage. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.5 Grounding the Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.6 Warm-up Period . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2. SPECIFICATIONS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1 Measuring Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2 Function Specifications
2.3 Other Electrical and Physical Data
2.4 Optional Functions and Accessories
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
. . . . . . . . . . . . . . . . . . . . 9
. . . . . . . . . . . . . . . . . . . 9
2.5 List of Measurement Ranges and Guaranteed Accuracy
Ranges by Model. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3. OPERATING PRINCIPLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4. FAMILIARIZATION WITH CONTROLS 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 Preparation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.2 Self-calibration 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.3 Self-calibration 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.4 Check the Measuring Rods
. . . . . . . . . . . . . . . . . . . . . . . . . .
5.5 Basic Procedures for a Measurement. . . . . . . . . . . . . . . . . . .
6. MEASUREMENT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.1 Measuring Method. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.2 Discharging Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.3 Charging Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.4 Interlocking Function – Using the HV-EN Connector . . . . . . . .
6.5 Comparison and Judgment Function . . . . . . . . . . . . . . . . . . .
a
6.6 Setting a Variety of Functions . . . . . . . . . . . . . . . . . . . . . . .
31 31 32 3 2
33 34 36 36
36
39
39 40
40 41
43
47
47
47
49
53
53
53
55
6.6.1 Setting the Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.6.2 Setting the Comparison GO/NO Judgment Level . . . . . . . . .
6.6.3 Setting Buzzer Sound ON/OFF . . . . . . . . . . . . . . . . . . . . . .
6.6.4 Setting the Charging Time, Measuring Time, Comparison
GO/NO Judging Level and Buzzer Sound ON/OFF. . . . . . . . .
6.7 Changes in the Current Flowing through Insulators. . . . . . . . .
6.8 Connectivity Precautions. . . . . . . . . . . . . . . . . . . . . . .
6.8.1 When the Screen Shows LOCK and Measurement Cannot Be Started . . .
6.8.2 When Using an Optional Electrode for Plate Samples or Shield Box . .
7. RS-232C INTERFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.1 RS-232C Communication Commands . . . . . . . . . . . . . . . . . . .
7.2 Applications of Commands . . . . . . . . . . . . . . . . . . . . . . . . . .
7.3 Connector Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . .
7.4 Printer Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8. REMOTELY CONTROLLED MEASUREMENT . . . . . . . . . . . . . . . . .
9. INTRODUCTION OF OPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.1 DC Signal Outputs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.1.1 DC Output, RP-8000
9.1.2
– Directly proportional or linear to resistance . . . . . . . . . .
DC Output, RI-8000
– Inversely proportional or 1/R to resistance . . . . . . . . . .
10. MAINTENANCE AND MISCELANEOUS . . . . . . . . . . . . . . . . . . . .
10.1 Periodical Checking . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10.2 Storage, Transportation and Abandon . . . . . . . . . . . . . . . . .
11. EXTERNAL APPEARANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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1. PREPARATION BEFORE OPERATION

Item
Model No.
Q’ty
Remarks
Operation manual
1
This item means this booklet.
Power cord with 3-prong plug with third for grounding
A measuring rod with a 1-
socket.
A measuring rod with a 1-
socket.
A plug to be plugged to the
shipping from factory.

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.
Keep the shipping carton for reuse at a later stage.
1) Visually check the external view of the instrument and its accessories.
2) Check the quantities of the list in accordance with the following list:
Power cord 1
Measuring rod (Red)
Measuring rod (Black)
Shorting plug 0GZ00003 1
Important!
When the accessory shorting plug is not plugged to the HV-EN socket on the rear of the
Table 1.1 List of Standard Accessories
0GE00002 1
0GE00001 1
meter cord to be connected to the Rx ‘-’
meter cord to be connected to the Rx ‘+’
HV-EN socket of the rear of the instrument. It is plugged to the HV-EN socket when
instrument, the measuring high voltage is not output.
Note: The shorting plug is plugged to the HV-EN socket when shipping from factory.
When plugging the shorting plug, make sure that the power is turned off, otherwise,
there is an electric shock hazard.
Upon checking the instrument and accessories, if any damage is found, immediately contact
your dealer or Hioki representative.
CAUTION
1

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.
AC Line Voltage Frequency
100 V ±10% 50/60 Hz
120 V ±10% 50/60 Hz
220 V ±10% 50/60 Hz
240 V +10V, -10% 50/60 Hz
CAUTION
Before connecting the power cord to the AC outlet socket, confirm that the VOLTAGE
SELECTOR switches on the rear panel are set to the positions, accordingly (See 1.3
Setting the VOLTAGE SELECTOR Switches.).
If the switches are set to wrong positions, a fire or burn may occur.

1.3 Setting VOLTAGE SELECTOR Switches

The super megohmmeter can be operated from one of the AC line voltages of 100 V, 120 V, 220 V
and 240 V by setting the VOLTAGE SELECTOR switches to the specific positions, respectively.
Confirm the switch setting to the specific positions 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 the
switch lever, and slide the lever upward or downward.
CAUTION
To change the VOLTASGE SELECTOR switch positions, be sure to
Unplug the power cord plug from the AC line socket to prevent a
possible damage.
When the switch position is changed while the voltage is on, the
Switch contacts will be damaged.
2
V
O
L
T
A
G
E
S
E
L
E
C
T
O
R
100V
120V
220V
240V
Fig. 1.1 VOLTAGE SELECTOR Switch Setting
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.
CAUTION
When the VOLTAGE SELECTOR switch position is changed, fuse amperage must be
changed to meet the requirements of the new AC line voltage. Incorrect fuse amperage will cause a failure of the instrument.

1.4 Checking the Fuse Amperage

The fuse holder of the instrument contains a time lag fuse of the following amperage:
Time Lag Fuse
AC Line Voltage Fuse Amperage
100 V/120 V 0.4 A
220 V/240 V 0.2 A
3
Fuse
Cap
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.
To set the cap in position, insert the cap, holding the fuse into the holder, and turn it with the
screwdriver.
Fig. 1.2 Fuse Holder and Fuse Replacement
WARNING
To replace or check the fuse, make sure to disconnect the power cord from the AC line
socket. If not, there is a fear of electrical shock.

1.5 Grounding the Chassis

To avoid an electrical shock accident, connect the GND terminal on the rear of the unit to the
ground prong of the power cord to the ground post of the AC line 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 power cord.
To use the accessory 3-prong to 2-prong adapter to connect the power cord to a 2-contact AC line
socket, make sure to ground the green tab of the adapter.
WARNING
To prevent an accident, connect the ground prong of the power cord
Plug to the ground post of the AC line system. If it is impossible to
ground the ground prong of the power cord plug, be sure to connect
the GND terminal on the rear of the unit.
4

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.
5
6
×
Measurement Range (MΩ) [RANGE=×10R]
Target Voltage
0.5 × 10R to 20 × 10R
100 V
0.25 × 10R to 10 × 10R
50 V
0.125 × 10R to 5 × 10R
25 V
0.075 × 10R to 3 × 10R
15 V
0.05 × 10R to 2 × 10R
10 V
0.025 × 10R to 1 × 10R
5 V
×
Measurement Range (MΩ) [RANGE=×10R]
Target Voltage
5 × 10R to 200 × 10R
1000 V
2.5 × 10R to 100 × 10R
500 V
1.25 × 10R to 50 × 10R
250 V
0.5 × 10R to 20 × 10R
100 V
0.25 × 10R to 10 × 10R
50 V
×
Measurement Range (MΩ) [RANGE=×10R]
Target Voltage
5 × 10R to 200 × 10R
1000 V
2.5 × 10R to 100 × 10R
500 V
1.25 × 10R to 50 × 10R
250 V
0.5 × 10R to 20 × 10R
100 V
0.25 × 10R to 10 × 10R
50 V
0.125 × 10R to 5 × 10R
25 V
0.05 × 10R to 2 × 10R
10 V

2. SPECIFICATIONS

2.1 Measuring Performance

1) Electrical Resistance Measurement
SM-8213(RANGE :
1 , ×10 , ×102 , ×103 , ×104 , or ×105)
Accuracy of target voltage: ±3% of set value
Measuring output current: 50 mA maximum (Note: 1)
Accuracy of measurement: ±10% (A range of 10 times of the minimum
value of each range) (Note: 2)
SM-8215(RANGE :
1 , ×10 , ×102 , ×103 , ×104 , or ×105)
Accuracy of target voltage: ±3% of set value
Measuring output current: 2 mA maximum (Note: 1)
Accuracy of measurement: ±10% (A range of 10 times of the minimum
value of each range) (Note: 2)
SM-8220(RANGE :
1 , ×10 , ×102 , ×103 , ×104 , ×105 , ×106 , ×107 , or ×108)
Accuracy of target voltage: ±3% of set value
Measuring output current: 2 mA maximum (Note: 1)
Accuracy of measurement: ±10% (A range of 10 times of the minimum
value of each range) except for×10
±20% for×10
8
range
8
range. (Note: 2)
7
Note 1: The measurement output current may reach as high as approximately 1.4 times the
maximum value. When a current in excess of the measurement output current’s
maximum value is output, the set measurement voltage may drop.
Note 2: The measurement accuracy is defined as ±10% of the indicated measured value
displayed on the screen.
2) Measuring Time (Sampling Cycle)
Approx. 200 ms

2.2 Function Specifications

1) CHARGE Function
This function charges the sample to be measured by applying the Selected measuring
voltage when the CHARGE switch is pushed.
Internal Resistance
SM-8213: Approx. 0Ω
SM-8215: Approx. 30kΩ
SM-8220: Approx. 30kΩ
2) DISCHARGE Function
This function discharges a residual voltage on the sample after measurement when the
DISCHARGE switch is pushed.
Internal Resistance
All models: Approx. 100kΩ
3) HV-EN (High Voltage Enable) – Interlocking Function
This function externally controls to make the output of measuring voltage on or off.
This function is used in combination with an interlock switch on the measuring jig so as to
prevent an electrical shock during measurement.
4) TIMER Function
This function determines the 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 function makes a comparison of the measured value with the preset judgment value,
and if the measured value is less than the judgment level, it makes the alert buzzer sound,
closing the incorporated relay contacts.
6) RS-232C Interface Function
This function allows a control of an optional printer via RS-232C interface.
The optional printer prints measured data.
7) REMOTE MEASUREMENT Function
This function allows a remotely controlled measurement by means of a remote switch.
8

2.3 Other Electrical and Physical Data

Name
Model
Printer
9442
Name
Model
Description
Electrode for plate samples
SME-8310
With surface/volumetric selector, interlock function
Electrode for plate samples
SME-8311
Weight electrode
SME-8320
With surface/volumetric Selector. Needs shield box.
Shield box
SME-8350
Electromagnetic shielding
Electrode for surface resistance measurement
SME-8301
Simplified electrode for surface resistance measurement
Electrode for surface resistance measurement
SME-8302
Simplified electrode for curved surface resistance measurement
Electrodes for liquid sample measurement
SME-8330
Capacity, approx. 25 mL Electrode constant: Approx. 500 cm
Electrodes for chip capacitors
SME-8360
Chip capacitor measurement
Surface/Volume Resistance Measurement Electrode
SM9001
Surface/volume resistance measurement of antistatic flooring, etc.
Calibration resistance box
SR-2
Calibration resistance box for the super
1) Environmental temperature and Humidity
Operation: 0℃ to 40℃ (SM-8213/8215), 80% RH or less (non-condensating)
Storage: -5℃ to 45℃, 80% RH or less(non-condensating)
5℃ to 35 (SM-8220), 80% RH or less (non-condensating)
2) Power Requirements
AC 100 V, 120 V, 220 V, ±10%, 240 V +10 V, -10% 50 Hz /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. 4.3 kg
6) Product warranty period
1 year

2.4 Optional Functions and Accessories

In addition to the standard accessories shown in 1.1 Unpacking and Checking of the Contents
and Table 1.1 List of Standard Accessories, the following two groups of optional accessories are
available to expand the applications of the SM-8200 Series super megohmmeters.
Contact your
authorized Hioki distributor or reseller when ordering. The options are subject to change. Visit
our website for updated information.
1) Options Designed Exclusively for This Model
Options designed exclusively for this model are as follows:
2) Options Common to the Megohmmeters
Options common to the meghommeters are as follows:
megohmmeters
9

2.5 List of Measurement Ranges and Guaranteed Accuracy Ranges by Model

Range/measurement range (with guaranteed accuracy range in parentheses)[MΩ]
1 ×10 ×102 ×103 ×104 ×105
5V
0.025×100
(0.250×100)
0.025×101
(0.250×101)
0.025×102
(0.250×102)
0.025×103
(0.250×103)
0.025×104
(0.250×104)
0.025×105
(0.250×105)
10V
0.050×100
(0.500×100)
0.050×101
(0.500×101)
0.050×102
(0.500×102)
0.050×103
(0.500×103)
0.050×104
(0.500×104)
0.050×105
(0.500×105)
15V
0.075×100
(0.750×100)
0.075×101
(0.750×101)
0.075×102
(0.750×102)
0.075×103
(0.750×103)
0.075×104
(0.750×104)
0.075×105
(0.750×105)
25V
0.125×100
(1.25×100)
0.125×101
(1.25×101)
0.125×102
(1.25×102)
0.125×103
(1.25×103)
0.125×104
(1.25×104)
0.125×105
(1.25×105)
50V
0.250×100
(2.50×100)
0.250×101
(2.50×101)
0.250×102
(2.50×102)
0.250×103
(2.50×103)
0.250×104
(2.50×104)
0.250×105
(2.50×105)
100V
0.500×100
(5.00×100)
0.500×101
(5.00×101)
0.500×102
(5.00×102)
0.500×103
(5.00×103)
0.500×104
(5.00×104)
0.500×105
(5.00×105)
SM-8213
Voltage
×
1.00×10
2.00×10
3.00×10
5.00×10
10.0×10
20.0×10
1.00×10
2.00×10
3.00×10
5.00×10
10.0×10
20.0×10
1.00×10
2.00×10
3.00×10
5.00×10
10.0×10
20.0×10
1.00×10
2.00×10
3.00×10
5.00×10
10.0×10
20.0×10
1.00×10
2.00×10
3.00×10
5.00×10
10.0×10
20.0×10
1.00×10
2.00×10
3.00×10
5.00×10
10.0×10
20.0×10
*All resistance values are expressed in MΩ.
10
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