Hioki CM7290 Manual de usuario
CM7290
CM7291 Instruction Manual
DISPLAY UNIT
EN
Oct. 2018 Revised edition 2
CM7290A961-02 18-10H
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i
Contents
Introduction........................................................................................1
Verifying Package Contents.............................................................1
Measurement Flowchart ...................................................................3
When performing standalone measurement ..............................3
When measuring while connected to another device ................4
Safety Information.............................................................................6
Operating Precautions......................................................................8
1 Overview 11
1.1 Overview and Features.................................................11
1.2 Parts and Functions .....................................................12
Display .....................................................................................13
Warning and battery power displays ........................................14
1.3 Tables of Key Operations.............................................15
Measuring ................................................................................16
Display/output/communication .................................................17
System operation .....................................................................18
Maintenance operation.............................................................19
Handy functions .......................................................................20
.H\FRQ¿JXUDWLRQV....................................................................22
2 Pre-measurement Preparation 25
2.1 Installing the Z5004 Magnetic Strap............................25
2.2 Connecting the Sensor.................................................26
2.3 Supplying Power...........................................................27
Installing/replacing the batteries...............................................27
Connecting the AC adapter (optional) ......................................28
Connecting to an external DC power supply ............................29
2.4 Turning the Power On/Off ............................................30
When using battery power .......................................................30
When using the AC adapter or an external DC power supply: . 30
2.5 Connecting to an External Device...............................31
3 Measurement and Output 33
3.1 Inspection Prior to Use.................................................33
3.2 Taking Measurements ..................................................34
CM7290A961-02
5
4
3
2
1
Appx.
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ii
Contents
Types of output in the different measurement modes ..............35
Setting measurement range .....................................................36
3.3 Changing the Display/output update time (rate) (to
Faster or Slower)...........................................................37
3.4 Examples of Measurement Waveforms ......................38
3.5 Bluetooth® Communications (only for CM7291).........39
Installing the application software GENNECT Cross ...............39
Pairing the app with the CM7291 .............................................40
Making measurements with the Bluetooth
®
function ................ 40
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0HDVXUHPHQW6SHFL¿FDWLRQV .......................................43
)XQFWLRQDO6SHFL¿FDWLRQV ............................................49
&RQQHFWLRQ7HUPLQDO6SHFL¿FDWLRQV ...........................53
([WHUQDO,QWHUIDFH6SHFL¿FDWLRQVRQO\IRU&0 .53
5 Maintenance and Service 55
5.1 Troubleshooting............................................................56
5.2 Error Displays ...............................................................60
Appendix Appx.1
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Consumption Category with a Sensor
Connected......................................................Appx.1
Appx. 2 Calculating Accuracy When Used with a
Sensor ............................................................Appx.2
Appx. 3 Combined Accuracies (Representative
values)............................................................Appx.3
Appx. 4 Measurement Response Waveforms.........Appx.11
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1
Introduction
Thank you for purchasing the Hioki CM7290/CM7291 Display Unit. To obtain
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for future reference.
Verifying Package Contents
When you receive the unit, inspect it carefully to ensure that no damage occurred
during shipping. Pay particular attention to the accessories, panel switches,
and connectors. If damage is evident, or if it fails to operate according to the
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CM7290 or CM7291 Instruction manual
LR6 alkaline battery (AA) × 2
Protector (pre-installed)
Precautions Concerning Use of Equipment
that Emits Radio Waves (only for CM7291)
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Appx. Ind.
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Verifying Package Contents
Options
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distributor
Use an optional sensor equipped with a Hioki PL14 output connector.
9445-02 AC Adapter
L9094 Output Cord (for banana terminal, 1.5 m)
L9095 Output Cord (for BNC terminal, 1.5 m)
L9096 Output Cord (for lead terminal, 1.5 m)
C0220 Carrying Case (for sensor and display unit)
C0221 Carrying Case (for 30 m extension cable, sensor and display unit)
L0220-01 Extension Cable (2 m)
L0220-02 Extension Cable (5 m)
L0220-03 Extension Cable (10 m)
L0220-04 Extension Cable (20 m)
L0220-05 Extension Cable (30 m)
L0220-06 Extension Cable (50 m)
L0220-07 Extension Cable (100 m)
Z5004 Magnetic Strap
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3
Measurement Flowchart
Measurement Flowchart
When performing standalone measurement
Installation and connection
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&RQQHFWWKHVHQVRUWRWKHXQLWS You will need:
A sensor equipped with a Hioki PL14
connector (optional)
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You will need:
LR6 alkaline battery (AA) ×2
or an AC adapter
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If being driven by an AC adapter, the unit is automatically powered on.
Measuring
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Zero
adjustment
Measure-
ment modes
Zero adjustment is unavailable for
sensors dedicated for AC measurement.
Connect the sensor to the conductor to
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Check the measured values.
Ending
Disconnect the sensor from the
conductor measured, and turn off the
unit’s power supply.
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4
Measurement Flowchart
When measuring while connected to another device
Installation and connection
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&RQQHFWWKHVHQVRUWRWKHXQLWS You will need:
A sensor equipped with a Hioki PL14
connector (optional)
Connect the unit to the power supply
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If being driven by an AC adapter, the unit is automatically powered on.
Connect the output of the unit to an
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You will need:
Output cord
Extension cable (if the sensor’s output
cable is not long enough)
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Measuring
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Zero adjustment is unavailable for
sensors dedicated for AC measurement.
Connect the unit to the conductor to be
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1. 2XWSXWPRGHS
2. 5DQJHSSSS$SS[
Observe and record waveforms with the
external device.
Ending
Turn the power off to complete measurement.
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5
Measurement Flowchart
Example of connection to devices installed in a measuring system
With the settings below, the unit will start up in the previously selected output mode
and begin generating output whenever the power is supplied through the external
power supply jack. This is the recommended way if the unit is connected to devices
installed in a measuring system.
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Display unit
2
1
1
- 3
Conductor to
be measured
1
-
1
Sensor
Connectable connector
JEITA RC5320A
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(EIAJ RC5320A TYPE 3)
(Grip portion external
diameter not more than
I10 mm)
Measurement
circuitry
Measuring system
Power
supply
Output
1
- 2
1
Connections
Connect the devices as follows:
1. Sensor – to the conductor to be
measured
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3. Display unit – to the output destination
4. Display unit – to the (standalone DC
isolated) power supply
2
Setting
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order:
1. Set the appropriate measurement
mode, output mode, or range
2. Set "Enable" or "Disable"
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3. Save settings
(save the measurement mode settings
at power-up)
4. Set the keylock to "Enable"
(to avoid operational mistakes)
Measures against power outage
If batteries have been installed in the unit, it will switch to battery power if power
from the AC adapter or external power supply (connected via the external power
supply jack) is interrupted and then continue to generate output as long as the
battery lasts. Once the external power supply is restored, the unit will switch back
to that power source.
The displayed value or output may be affected by switching noise when the unit
switches from battery to AC adapter or vice-versa.
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6
Safety Information
Safety Information
This unit is designed to conform to IEC 61010 Safety Standards, and has been
thoroughly tested for safety prior to shipment. However, using the unit in a way not
described in this manual may negate the provided safety features.
Before using the unit, be certain to carefully read the following safety notes.
WARNING
Electricity poses risks of electric shock and arc discharge due to
short circuits. Individuals using an electrical measuring instrument
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experience in electrical measurement.
Protective gear
This unit measures live lines. To prevent electric shock accidents,
wear protective insulation in accordance with laws and regulations.
CAUTION
Mishandling during use could cause damage to the unit. Be certain that you
understand the instructions and precautions in the manual before use.
Notation
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DANGER
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WARNING
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CAUTION
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to result in equipment or other damage.
IMPORTANT Indicates information related to the operation of the unit or maintenance
tasks with which the operators must be fully familiar.
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The effects of the magnetic force can cause abnormal operation of heart
pacemakers and/or medical electronics.
Indicates the prohibited action.
Indicates the action which must be performed.
*Additional information is presented below.
Bold character Control operation keys are enclosed in blackets ([ ]).
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7
Safety Information
Symbols displayed on the unit
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corresponding topic in the instruction manual.
Indicates DC (Direct Current).
Indicates AC (Alternating Current).
Symbols for various standards
Indicates the Waste Electrical and Electronic Equipment Directive (WEEE
Directive) in EU member states.
This symbol indicates that the product conforms to regulations set out by the EU Directive.
Indicates that the product incorporates Bluetooth® wireless technology.
Characters in screen displays
The screen of this unit displays characters in the following manner.
1234567890
ABCDE FGH I J K LMNOPQRS T UVWXY Z
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