カイセ株式会社｜自動車整備用計測器・テスター｜ネット通販
Instruction Manual for Kaise models including: SK-7660, SK-7661, SK-7660 ACDC Digital Mini Clamp Meter, SK-7660, ACDC Digital Mini Clamp Meter, Digital Mini Clamp Meter, Mini Clamp Meter, Clamp Meter
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DocumentDocumentAC/DC DIGITAL MINI-CLAMP METER INSTRUCTION MANUAL
SK-7660/7661
FOR SAFETY MEASUREMENTS!!
To prevent an electrical shock hazard to the operator and/or damage to the
instruments, read this instruction manual carefully before using the Clamp
Meter. WARNINGS with the symbol
on the Clamp Meter and this
instruction manual are highly important.
Important Symbols
The symbol listed in IEC 61010-1 and ISO 3864 means "Caution (refer to instruction manual)".
WARNING : The symbol in this manual advises the user of an electrical shock hazard that could result in serious injury or even death.
CAUTION : The symbol in this manual advises the user of an electrical shock hazard that could cause injury or material damages.
WARNING
Measurement on High Power Line is very dangerous. It sometimes includes High Surge Voltage that could cause dangerous arcs of explosive short in the instrument and could result in serious injury to the operator. For dangerous voltage measurement on High Power Line or High Voltage Circuit, always keep the instrument away from your body without holding it in your hands. Do not touch the Clamp Meter, its Test Leads, and any part of the circuit.
INTRODUCTION
Thank you for purchasing KAISE "MODEL SK-7660/7661 AC/DC DIGITAL MINICLAMP METER". To obtain the maximum performance of this instrument, read this Instruction Manual carefully, and take safe measurement.
1. UNPACKING AND INSPECTIONS
Inspect the instrument and acessories for transport damage. If any damage or missing items are found, ask your local dealer for replacement. Confirm that the following items are contained in the package.
1. Digital Clamp Meter 2. 1 set of Test Lead (100-63) 3. Instruction Manual
2. SPECIFICATIONS
2-1. GENERAL SPECIFICATIONS
1. DISPLAY (LCD) a. Numerical Display : 4000 count, Maximum reading 4050, 12mm high. b. Units and Symbols : , , , A, mV, V, , k , M , Hz, kHz, %, nF, F, , , DH, DIFF, PH(SK-7660), MAX MIN(SK7661), APO, BAT, AUTO and decimal point.
2. OPERATING PRINCIPLE : conversion 3. AC MEASUREMENT : SK-7660 : True RMS
SK-7661 : Average Rectification 4. SAMPLING RATE : 3 times / second 5. RANGE SELECTION : Auto-Ranging 6. POLARITY : Auto-Polarity (" "symbol appears in minus) 7. OVERLOAD INDICATION : "OL" symbol appears. 8. BATTERY WARNING : "BAT" symbol appears when battery voltage goes
down to approx. 2.4V or less. 9. DISPLAY HOLD : Enables to hold indicating values by DH Key 10. PEAK HOLD (SK-7660 only) : Peak value is measurable by
pressing PH key for one second or more. 11. MAX/MIN MEASUREMENT (SK-7661 only) : MAX/MIN values are
measurable by pressing MAX/MIN key for one second or more.
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12. DIFFERENCE MEASUREMENT : Difference value is measurable by pressing DIFF key for one second or more.
13. CONTINUITY TEST : Buzzer sounds and symbol appears on LCD. a. Buzzer Sounds : at approx. 50 or less b. Open Circuit Voltage : approx. 0.44V
14. OVERLOAD PROTECTION : a. Current : 600A rms for 1 minute (600V line) b. Voltage : 1000V rms for 1 minute. c. Resistance : 300V rms for 1 minute
15. DIELECTRIC STRENGTH : 3.52kV AC (50Hz) for 1 minute (between input terminal and case)
16. OPERATABLE TEMPERATURE & HUMIDITY : 0 to 40 , 80%RH or lower in non-condensing.
17. STORAGE TEMPERATURE & HUMIDITY : -20 to 60 , 70%RH or lower in non-condensing.
18. TEMPERATURE COEFFICIENT : Accuracy in 23 5 0.1 / 19. SAFETY LEVEL : CE Marking approved (IEC-61010-1, CAT 300V,
CAT 600V and EMC Test passed.) 20. POWER SUPPLY : 1.5V R03 (AAA) batteries 2 (not attached) 21. POWER CONSUMPTION : SK-7660 : Approx. 15mA, SK-7661 : Approx. 13mA 22. CONTINUOUS OPERATING TIME : SK-7660 : Approx. 25 hours (Manganese
cell), Approx. 50 hours (Alkaline cell) / SK-7661 : Approx. 30 hours (Manganese cell), Approx. 60 hours (Alkaline cell) (in DC Current range, 0A input) 23. AUTO POWER OFF : Power turns off automaticaly after 12 minutes of any
switch operation. (releasable) 24. CONDUCTOR DIAMETER : 27mm 25. DIMENSIONS & WEIGHT : 170(H) 58(W) 27(D)mm, 160g (Battery Included) 26. ACCESSORIES : 100-63 Test Lead 1 set, Instruction Manual 27. OPTIONAL ACCESSORIES : 1015 Carrying Case, 880 Line Separator,
940 Alligator Clips
2-2. MEASUREMENT SPECIFICATIONS
(23 5
80 RH in non-condensing)
1. CURRENT MEASUREMENTS ( A / A / Hz)
1-1. DC CURRENT ( A)
Range 40.00A
400.0A
Accuracy 1.5 rdg 3dgt 1.5 rdg 5dgt 40 200A 3.0 rdg 3dgt 201 300A 4.0 rdg 3dgt 301 400A
Resolution
Max.Input Current
10mA
100mA 400A DC
Overload Protection
600A rms (for 1 minute)
1-2. AC CURRENT ( A )
SK-7660 : True RMS / SK-7661 : Average Rectification
Range 40.00A
400.0A
Accuracy ( 0.5A)
Resolution
1.5 rdg 5dgt (50/60Hz)
10mA
40 200A / 2.0 rdg 3dgt (50/60Hz)
201 300A / 4.0 rdg 5dgt (50/60Hz) 100mA
301 400A / 5.0 rdg 5dgt (50/60Hz)
Max.Input Current 400A rms
Frequency Characteristic : 40A Range (0.5 9A) add 1.5% / (10 40A) : add 0.5%
(40 400Hz)
400A Range add 1.0%
Overload Protection : 600A rms (for 1 minute)
Crest Factor : 0.5 200A 3 or less / 300A : 2 or less / 400A : 1.5 or less
2 add 2% to Accuracy (SK-7660 only)
1-3. FREQUENCY ( Hz )
Range
5.00Hz 49.99Hz 50.0Hz 499.9Hz 0.500kHz 1.000kHz
Accuracy 0.2%rdg 2dgt
Resolution
0.01Hz 0.1Hz 1Hz
Input Sensitivity
5A (sine wave)
Max.Input Current
400A rms
1-4. PEAK CURRENT ( 400A )
Range
Accuracy Pulse Width 10ms
400A
5.0 rdg 5dgt
Resolution 100mA
SK-7660 only Max.Input Current
400A peak
2. VOLTAGE MEASUREMENTS ( V / V / Hz / % )
2-1. DC VOLTAGE ( V )
Range 400.0mV
4.000V 40.00V 400.0V
600V
Accuracy 1.0%rdg 3dgt
1.0%rdg 2dgt
Resolution 0.1mV 1mV 10mV 100mV 1V
Input Resistance 100M 11M
10M
Max.Input Voltage
600V DC
Overload Protection
1000V rms (for 1 minute)
2-2. AC VOLTAGE ( V )
SK-7660 : True RMS / SK-7661 : Average Rectification
Range 4.000V 40.00V 400.0V
Accuracy Resolution
1mV 1.5%rdg 5dgt 10mV (40Hz 400Hz) 100mV
Input Resistance
11M
10M
Max.Input Voltage
Overload Protection
600V rms
1000V rms (for 1 minute)
600V
1V
Crest Factor : 400V : 3 or less / 401 600V : 2 or less (SK-7660 only)
2-3. FREQUENCY ( Hz )
Range
Accuracy
5.00Hz 49.99Hz 50.0Hz 499.9Hz 0.500kHz 4.999kHz 5.00kHz 49.99kHz
0.2%rdg 2dgt
Resolution 0.01Hz 0.1Hz 1Hz 10Hz
Input Sensitivity
5V (sine wave)
Max.Input Voltage
600V rms
2-4. DUTY CYCLE ( % )
Range
Accuracy Resolution Input Sensitivity
5.0 95.0
1.0 rdg 3dgt 0.1
5V (square wave)
Frequency Range : 40 400Hz
2
Max.Input Voltage 600V rms
3. RESISTANCE ( )
Range 400.0
Accuracy 1.5 rdg 5dgt
Resolution 0.1
4.000k
1
40.00k
0.7 rdg 3dgt
10
400.0k 4.000M 40.00M
100
1.2 rdg 5dgt
1k
3.0 rdg 5dgt
10k
Overload Protection 300V rms (for 1 minute)
Test Current
0.4mA
50 A 5A
0.5 A 50nA
Open Circuit Voltage 0.44V
4. CONTINUITY TEST ( )
Range 400.0
Accuracy
Resolution
1.5 rdg 5dgt
0.1
Overload Protection : 300V rms (for 1 minute) Buzzer Sound : Approx.50 or less
Test Current 0.4mA
Open Circuit Voltage 0.44V
5. DIODE TEST
Range
Accuracy
0 1.5V 5.0 rdg 5dgt
Resolution 1mV
Open Circuit Voltage
1.7V
Overload Protection 300V rms (for 1minute)
6. CAPACITANCE
Range 50.00 nF
Accuracy
500.0 nF 5.000 F
5.0 rdg 10dgt
50.00 F
100.0 F
Resolution Open Circuit Voltage Overload Protection
10pF
1.25V
100pF 1nF
10nF
0.44V
300V rms (for 1 minute)
100nF
3. SAFETY PRECAUTIONS
Correct knowledge of electric measurements is essential to avoid unexpected danger such as operator's injury or damage to the instrument. Read carefully and observe the following precautions for safety measurements.
3-1. WARNINGS
WARNING 1. Checks of Body and Test Lead Before measurement, confirm the body of this instrument and handle insulators of the Test Leads have no cracks or any other damages. Dust, grease and moisture must be removed.
WARNING 2. Warning for High Power Line Measurements High Power Line (High Energy Circuits) such as Distribution Transformers, Bus Bars and Large Motors are very dangerous. High Power Line sometimes includes High Surge Voltage that could cause explosive short in the instrument and could result in shock hazard. For voltage measurement of High Power Line, do not touch Clamp Meter, its Test Leads, and any part of the circuit.
WARNING 3. Warning for High Voltage Measurements Even for Low Energy Circuits of electric/electronic appliances, such as heating elements, small motors, line cords and plugs, High Voltage Measurements are very dangerous. Do not touch Clamp Meter, Test Leads, and any part of the circuit. Generally, shock hazard could occur when the current between the circuit, that involves more than 33V rms or 46.7V DC or peak, and ground goes up to 0.5mA or more.
WARNING 4. Dangerous Voltage Measurement Procedure For dangerous voltage measurement, strictly observe the following procedure.
1. Before measurement, turn off the power of the circuit to be measured. 2. Plug test lead connector into input terminals matching " " and " ". 3. Attach Black and Red Alligator Clips (optional) to Test Lead pins. 4. Set FUNCTION Switch to " V / Hz / % ". 5. Select " (DC)" or " (AC)" by SHIFT key. 6. Confirm the power of the circuit to be measured is turned off. Connect Black
Alligator Clip to (earth) side and Red Alligator Clip to + (positive) side. 7. Place the Clamp Meter away from your body not holding it in your hands. Take
safety distance from power source or circuit to measured not to touch the dangerous voltage. 8. Turn on the power of the circuit to be measured. Read the measurement value on LCD.
Alligator Clips
V APO
Test Leads
fig. 1
9. After measurement, turn off the power of the measuring circuit and discharge the all capacitors.
10. Disconnect Alligator Clips (with Test Leads) from the circuit.
In case of live-line measurement, observe the following procedure.
1. Place the Clamp Meter away from your body not holding it in your hands. 2. Set FUNCTION Switch to " V / Hz / % ". 3. Select " (DC)" or " (AC)" by SHIFT key.
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4. Attach Black Alligator Clip to Black Test Lead pin. Connect it to (earth) side of the circuit to be measured.
5. Take safety distance from power source or circuit to be measured not to touch the dangerous voltage.
6. Hold Red Test Lead with one hand and connect it to + (positive) side of the circuit to be measured.
7. Read the measurement value on LCD. 8. After measurement, disconnect Red Test Lead and Black Alligator Clip from
the circuit.
Red Test Lead
Allligator Clip
APO
V
fig. 2
WARNING 5. Correct Selection of FUNCTION Switch
Always confirm that FUNCTION Switch is set to the correct position. Do not
measure voltage at
position.
WARNING 6. Maximum Input Observance Do not measure voltage or current that might exceed the specified maximum
input values.
WARNING 7. Test Lead Disconnection Disconnect Test Leads from the measuring circuit before changing the measurement functions or removing Battery Cover for battery replacement.
WARNING 8. Safety Line Do not put your fingers over the Safety Line while current measurement.
3-2. GENERAL WARNINGS AND CAUTIONS
WARNING 1. Children and the persons who do not have enough knowledge about electric measurements must not use this instrument. WARNING 2. Do not measure the electricity naked or barefooted to protect yourself from electrical shock hazard. WARNING 3. Be careful not to get hurt with the sharp Test Lead pins. CAUTION 1. Do not polish the case or attempt to clean it with any cleaning fluid like gasoline or benzine. If necessary, use silicon oil or antistatic fluid. CAUTION 2. Avoid the clamp meter from hard mechanical shock or vibration, high temperature and strong magnetic field. CAUTION 3. Remove the batteries when the clamp meter is out of use for a long time. The exhausted batteries might leak electrolyte and corrode the inside.
4. NAME ILLUSTRATION
Test Lead Holder
PH (1sec<)
CAT 600V
SHIFT Key PH Key SK-7660 MAX/MIN Key SK-7661
LCD
SK-7660
Input Terminals
Clamp Head
Safety Line
FUNCTION Switch
DH Key DIFF Key
Test Lead
4-1. LCD
AUTO DH PH DIFF MAX MIN BAT
kM
Hz
APO
mVA
AUTO : Auto-Ranging BAT : Battery Warning
: Direct Current (DC)
: Minus Symbol
APO : Alternating Current (AC) DH : Auto Power Off PH : Display Hold DIFF : Peak Hold (SK-7660) MAX MIN : Difference Measurement
: Max/Min Measurement
MAX MIN
mV V Mk
A Hz, kHz
% nF F
(SK-7661)
4
: Maximum Value (SK-7661) : Minimum Value (SK-7661) : Continuity Test : Diode Test : Units of Voltage : Units of Resistance : Unit of Current : Unit of Frequency : Unit of Duty Cycle : Units of Capacitance
4-2. Clamp Head
Clamp on a single conductor to measure AC/DC current. NOTE : Measurement is unable if several conductors are clamped.
4-3. Safety Line
The line to protect yourself against electrical shock hazard. Do not put your fingers over this line while current measurement.
4-4. FUNCTION Switch
Enables to select main-measurement functions. After measurement, turn it to
"OFF".
4-5. SHIFT Key : Enables to select sub-measurement functions.
Current Measurement : A
A Hz
Voltage Measurement : V V Hz
Resistance Measurement :
4-6. PH Key : Peak Hold (SK-7660 only)
Press this key for one second or more without any input. "PH" symbol appears on LCD and starts Peak Measurement. To release it : Press PH key again for one second or more. NOTE : If display could not be "0" by effect of temperature, the displayed value should be added to the measurement. NOTE : The maximum peak value is displayed on LCD.
4-7. MAX/MIN Key : MAX/MIN Measurement (SK-7661 only)
Press this key for one second or more while regular measurement. "MAX MIN" symbol appears on LCD and starts MAX/MIN Measurement. Enables to confirm MAX (maximum) and MIN (minimum) values by pressing this key during MAX/MIN measurement. To release it : Press MAX/MIN Key again for one second or more. NOTE : If display could not be "0" by effect of temperature, the displayed value should be added to the measurement.
4-8. DH Key : Display Hold
Enables to hold indicating values on LCD. "DH" symbol appears on LCD. To release it : Press DH Key again.
4-9. DIFF Key : Difference Measurement
Enables to start Difference Measurement. Press this key for one second or more while regular measurement. "DIFF" symbol appears on LCD, and reset indicating value into 0 1 digit. Difference Measurement : Convert a certain measurement value into zero and indicate the relative values. Also usable to make zero adjustment. To release it : Press DIFF Key again for one second or more.
4-10. Input Terminals Test Leads
Use for V, , , , measurements. Plug test lead connector into input terminals matching " " and " ".
WARNING : Unplug the Test Leads from input terminals while current measurement.
4-11. Test Lead Holder
Fixable Test Lead on the side of Clamp Meter by inserting its hook into the holder socket.
WARNING : Remove the Test Lead from the holder while current measurement.
5. MEASUREMENT PROCEDURES
5-1. PREPARATION FOR USE
1. INSTRUCTION MANUAL Read INSTRUCTION MANUAL carefully to understand the specification and functions correctly. 3. SAFETY PRECAUTIONS is higly important for safety measurement.
2. BATTERY No battery is attached to this Clamp Meter. Please purchase 2 of 1.5V R03 (AAA) separately. How to install the batteries, refer to 6-1. BATTERY REPLACEMENT
3. OVERLOAD INDICATION "OL" symbol appears on LCD if input value exceeds 4000 counts that should be the maximum input value of the measuring range. 600V AC/DC range is excepted.
4. AUTO POWER OFF Power turns off automatically after 12 minutes of last operation of FUNCTION Switch to conserve battery life (10 A consumption is remained). To disable it : Turn the power on pressing SHIFT Key. "APO" symbol disappears from LCD.
5. POWER-ON INITIALIZE (effective for DC current measurement) Initialize the internal circuit automatically and reset LCD indications into 0 1 digit when turning on the power without any input. If it does not work correctly, turn the power on again or use DIFF Key. To avoid incorrect measurement, do not presss SHIFT key before finishing Power-on Initialize and LCD indicates 0 1 digit. NOTE : This function does not work correctly if some inputs are applied. NOTE : This function sometimes does not work correctly due to unexpected CPU error. Use DIFF Key if 3 digits or more remain indicated.
5
6. V / A MEASUREMENT Digits on LCD come down to 0 1 digit gradually in V/ A measurements, but specified measurements are made if the measurement is started before it becomes into 0 1 digit. NOTE : For the measurement near the noisy environment or current conductor,
LCD does not indicate 0 1 digit.
7. Hz / Duty MEASUREMENT ON V/A FUNCTIONS (Duty measurement is effective in Voltage measurement only)
0-basis High or low level pulse wave measurement is unable in this measurement function.
8. SYMBOL MARK The following symbol marks shown on the instrument and instruction manual are listed in IEC 61010-1 and ISO 3864.
Caution (refer to instruction manual.)
Alternating Current (AC)
Direct Current (DC)
DC and AC
Earth (Ground)
Double Insulation
5-2. CURRENT MEASUREMENTS ( A / A / Hz)
WARNINGS
Maximum input current 400A AC/DC (600V line). Do not measure any current that might exceed 400A. Read 3. SAFETY PRECAUTIONS carefully to avoid electric shock hazard to the operator or serious damage to the instrument. Unplug the Test Leads from input terminals while current measurement. Do not touch any part of the power line or the circuit to be measured.
1. Set FUNCTION Switch to " A / Hz ". NOTE : To avoid incorrect measurement, do not press SHIFT key before finishing Power-on Initialize and LCD indicates 0 1 digit.
2. Select " (DC)" or " (AC)" by SHIFT key. 3. Open Clamp Head, and clamp-on a single conductor.
For A measurement and A Peak Hold measurement : Align the polarity with " " mark on the Clamp Head (from to ) NOTE : Measurement is unable if several conductors are clamped. 4. Read the measurement value on LCD. 5. After measurement, unclamp from the conductor and set FUNCTION Switch to "OFF". Frequency Measurement (Hz) : Press SHIFT key twice.
Supporting Functions : Peak Hold (SK-7660 only), MAX/MIN Measurement (SK-7661 only), Difference Measurement, Display Hold (Refer to 4-6 to 4-9).
CAT 600V
SK-7660
A
AUTO D H
APO
PH (1sec<)
Charging Current measurement of car alternator
fig. 3
5-3. VOLTAGE MEASUREMENTS ( V / V / Hz / % )
WARNINGS
Maximum input voltage is 600V AC/DC. Do not measure any voltage that might exceed 600V. Read 3. SAFETY PRECAUTIONS carefully to avoid electric shock hazard to the operator or serious damage to the instrument. For dangerous voltage measurement more than 220V AC/DC, turn off the power of the circuit to be measured and use Alligator Clips (optional). Refer to " WARNING 4. Dangerous Voltage Measurement Procedure" for details. Do not touch any part of the power line or the circuit to be measured.
1. Plug test lead connector into input terminals matching " " and " ". 2. Set FUNCTION Switch to " V / Hz / %". 3. Select " (DC)" or " (AC)" by SHIFT key.
NOTE : LCD indicates random digits, but does not affect the specified accuracy.
4. Connect Black Test Lead to (earth) side and Red Test Lead to (high potential) side of the circuit to be measured. NOTE : For Voltage Measurements, connect Clamp Meter IN PARALLEL to the measuring circuit.
5. Read the measurement value on LCD. 6. After measurement, set FUNCTION Switch to "OFF". Frequency Measurement (Hz) : Press SHIFT key twice. Duty Cycle (%) : Press SHIFT key three times. Supporting Functions :
MAX/MIN Measurement (SK-7661 only), Difference Measurement, Display Hold (Refer to 4-6 to 4-9)
6
APO
PH (1sec<)
AUTO
SK-7660 V
600V CAT
Battery
fig. 4
5-4. RESISTANCE MEASUREMENTS ( )
WARNINGS
Do not measure Voltage at "
" position to avoid electric shock
hazard to the operator or serious damage to the instrument.
When measuring in-circuit resistance, turn off the power of the circuit to be
measured and discharge the all capacitors.
Before measurements, read 3. SAFETY PRECAUTIONS carefully.
1. Plug test lead connector into input terminals matching " " and " ".
2. Set FUNCTION Switch to "
".
3. If the resistor to be measured is connected in a circuit, turn the circuit power off
and discharge the all capacitors. Disconnect one side of the resistor.
4. Connect Test Leads to the resistor (or circuit) to be measured.
5. Read the measurement value on LCD.
6. After measurement, set FUNCTION Switch to "OFF".
Supporting Functions : Difference Measurement, Display Hold (Refer to 4-8 to 4-9)
5-5. CONTINUITY TESTS ( )
WARNINGS
Do not measure Voltage at "
" position to avoid electric shock
hazard to the operator or serious damage to the instrument.
When testing in-circuit continuity, turn off the power of the circuit to be
measured and discharge the all capacitors.
Before measurements, read 3. SAFETY PRECAUTIONS carefully.
1. Plug test lead connector into input terminals matching " " and " ".
2. Set FUNCTION Switch to "
".
3. Press SHIFT Key once. " " symbol appears on LCD.
4. When testing in-circuit continuity, turn the circuit power off and discharge the
all capacitors.
5. Connect Test Leads to the circuit to be tested. Buzzer sounds when the
resistance value that is displayed on LCD is approx.50 or less.
6. After measurements, set FUNCTION Switch to "OFF".
5-6. DIODE TEST ( )
WARNINGS
Do not measure Voltage at "
" position to avoid electric shock
hazard to the operator or serious damage to the instrument.
When testing in-circuit diode, turn off the power of the circuit to be
measured and discharge the all capacitors.
Before measurements, read 3. SAFETY PRECAUTIONS carefully.
1. Plug test lead connector into input terminals matching " " and " ".
2. Set FUNCTION Switch to "
".
3. Press SHIFT Key twice. " " symbol appears on LCD.
4. If the diode to be tested is connected in a circuit, turn the circuit power off and
discharge the all capacitors. Disconnect one side of the diode.
5. Connect Black Test Lead to Anode side and Red Test Lead to Cathode side
(Reverse Connection). Confirm "OL" is indicated o LCD.
6. Connect Test Leads to the opposite sides of 5.(Foward Connection). Test
results are good if the following voltage values are indicated on LCD.
Silicon diodes
0.4V 0.7V
Germanium diodes
0.1V 0.4V
7. After measurement, set FUNCTION Switch to "OFF".
NOTE : Light-emitting diode is not testable.
5-7. CAPACITANCE MEASUREMENTS ( )
WARNINGS
Do not measure Voltage at "
" position to avoid electric shock
hazard to the operator or serious damage to the instrument.
When testing in-circuit capacitors, turn off the power of the circuit to be
measured and discharge the all capacitors.
Before measurements, read 3. SAFETY PRECAUTIONS carefully.
1. Plug test lead connector into input terminals matching " " and " ".
2. Set FUNCTION Switch to "
".
3. Press SHIFT Key three times. " nF " is indicated on LCD.
4. Press DIFF key to reset LCD into 0 3 digit or less.
5. If the capacitor to be measured is connected in a circuit, turn the circuit power
off and discharge the all capacitors. Disconnect one side of the capacitor.
6. Connect Test Leads to the circuit to be tested.
7. Read the measurement value on LCD.
8. After measurement, set FUNCTION Switch to "OFF".
7
NOTE : Measurement time takes longer to measure higher capacitance. (Example : approx. 4 sec. at 10 F, approx. 14 sec. at 90 F.
6 MAINTENANCE
6-1. BATTERY REPLACEMENT
WARNING
To prevent electrical shock hazard, turn the power off and disconnect Test Leads from the circuit before opening Battery Cover.
Replace the battery when "BAT" symbol appears on LCD.
1. Turn the power off and disconnect Test Leads from the circuit. 2. Unscrew the Baterry Cover and remove the exhausted batteries. 3. Insert 2 pcs of new 1.5V R03 (AAA) batteries in correct polarity. 4. Fix the Baterry Cover and tighten the screw.
screw
Battery Cover
2 pcs of new 1.5V R03 (AAA) Battery
1.5V R03 UM-4 2
1.5V
fig. 5
6-2. PERIODICAL CHECK AND CALIBRATION
Periodical check and calibration is necessary to make safety measurements and to maintain the specified accuracy. The recommended check and calibration term is once a year and after the repair service. This service is available at KAISE AUTHORIZED SERVICE AGENCY through your local dealer.
6-3. REPAIR
Repair service is available at KAISE AUTHORIZED SERVICE AGENCY through your local dealer. Pack the instrument securely with your name, address, telephone number and problem details, and ship prepaid to your local dealer.
Check the following items before asking repair service.
1. Check the battery connection, polarity, and the rest capacity (exhausted or not).
2. Confirm that FUNCTION Switch is set to the correct position. 3. Confirm that the body of this instrument and handle insulators of the Test
Leads have no cracks or any other damages. 4. Check if any noise affects the instrument. This instrument is fully shielded
against noise, but possibly to be affected by very strong noise.
WARRANTY
SK-7660/7661 is warranted in its entirety against any defects of material or workmanship under normal use and service within a period of one year from the date of purchase of the original purchaser. Warranty service is available at KAISE AUTHORIZED SERVICE AGENCY through your local dealer. Their obligation under this warranty is limited to repairing or replacing SK-7660/7661 returned intact or in warrantable defect with proof of purchase and transport charges prepaid. KAISE AUTHORIZED DEALER and the manufacturer, KAISE CORPORATION, shall not be liable for any consequential damages, loss or otherwise. The foregoing warranty is exclusive and in lieu of all other warranties including any warranty of merchantability, whether expressed or implied. This warranty shall not apply to any instrument or other article of equipment which shall have been repaired or altered outside of KAISE AUTHORIZED SERVICE AGENCY, nor which have been subject to misuse, negligence, accident, incorrect repair by users, or any installation or use not in accordance with instructions provided by the manufacturer.
KAISE AUTHORIZED DEALER
422 Hayashinogo, Ueda City, Nagano Pref., 386-0156 Japan TEL : +81-268-35-1600 (REP.) / FAX : +81-268-35-1603 E-mail : sales@kaise.com http://www.kaise.com
Product specifications and appearance are subject to change without notice due to continual improvements.
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70-1201-7660-5 0807