70-1201-KF20-1 0802
Do not measure high power line that might exceed 2kVA.
Do not exceed the maximum input value of each range.
Confirm that
RANGE
Switch is set to the correct position.
Read
「
3. SAFETY PRECAUTIONS
」
carefully for safety measurement.
KF-20 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 KF-20 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.
Check the battery connection, polarity, and capacity.
Confirm that RANGE Switch is set to the correct position.
Confirm that the body of this instrument and handle insulators of the Test
Leads have no cracks or any other damages.
Check if any noise affects the instrument. This instrument is fully shielded
against noise, but possibly to be affected by very strong noise.
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.
KAISE AUTHORIZED DEALER
Product specifications and appearance are subject to change without
notice due to continual improvements.
5-3. AC VOLTAGE MEASUREMENTS (AC-V)
WARNINGS
●
●
●
●
6-1. BATTERY REPLACEMENT
6-4. REPAIR
WARNINGS
WARRANTY
1.
2.
3.
4.
5.
1.
2.
3.
4.
Replace the batteries when it is exhausted and "0
Ω
Adjustment" does not work.
Check the following items before asking repair service.
To avoid electrical shock, detach test leads from circuit when when
opening rear case for battery or fuse replacement.
Be sure to tighten the screw of rear case after the battery replacement
Detach test leads from the circuit.
Unscrew rear case.
Remove rear case opening from meter side and slide to the upward.
Replace an exhausted battery into a new 1.5V R6P (AA) battery in correct
polarity.
Close rear case fitting from bottom to up, and tighten the screw.
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
5
6
7
8
fig. 10
6
．
MAINTENANCE
Do not measure over 300mA DC.
Do not exceed the maximum input value of each range.
Confirm that
RANGE
Switch is set to the correct position.
Read
「
3. SAFETY PRECAUTIONS
」
carefully for safety measurement.
5-4. DC CURRENT MEASUREMENTS (DC-mA)
WARNINGS
●
●
●
●
Do not measure high power line that might exceed 2kVA.
Do not exceed the maximum input value of each range.
Confirm that
RANGE
Switch is set to the correct position.
Read
「
3. SAFETY PRECAUTIONS
」
carefully for safety measurement.
WARNINGS
●
●
●
●
The internal protection circuit against over current for meter movement and the
internal circuit is installed. But, the instrument should be defective by such as over
input measurement, or applying voltage to resistance or current range.
9. Protection Circuit
5-2. DC VOLTAGE MEASUREMENTS (DC-V)
Plug Black Test Lead into "- (COM)" terminal and Red Test Lead into "+"
terminal.
Set
RANGE
Switch to a desired
DC-V
range.
NOTE :
Connect black test lead to
−
(earth) side and red test lead to
＋
(positive) side
of the measuring circuit.
NOTE :
Connect the multitester
IN PARALLEL
to the circuit.
NOTE :
Use alligator clips for dangerous voltage measurement.
Read the meter on
DC/AC
scale referring to
「
5-1. 7. Meter Scale Reading
」.
Detach test leads from the circuit.
To measure uncertain voltage, firstly measure the approximate value
at 1200V range, then change the switch into the suitable range.
Detach test leads from the circuit before rotating
RANGE
Switch.
1.
2.
3.
4.
5.
Plug Black Test Lead into "- (COM)" terminal and Red Test Lead into "+"
terminal.
Set
RANGE
Switch to a desired
AC-V
range.
NOTE :
Connect black test lead to
−
(earth) side and red test lead to
＋
(positive) side
of the measuring circuit.
NOTE :
Connect the multitester
IN PARALLEL
to the circuit.
NOTE :
Use alligator clips for dangerous voltage measurement.
Read the meter on
DC/AC
scale referring to
「
5-1. 7. Meter Scale Reading
」.
Detach test leads from the circuit.
To measure uncertain voltage, firstly measure the approximate value
at 1200V range, then change the switch into the suitable range.
Detach test leads from the circuit before rotating
RANGE
Switch.
Installed battery is for inspection purpose and might be exhausted
earlier than the new battery.
300mA range is protected by 0.3A/250V fuse, but 60uA, 3mA, and 30mA
ranges are not.
Do not measure voltage in
DC-mA
range.
Do not measure wall outlet or car battery by mistake.
1.
2.
3.
4.
5.
Do not measure voltage in
Ω
range.
When measuring in-circuit resistor, turn off the circuit to be measured and
discharge the capacitors.
5-5. RESISTANCE MEASUREMENTS (
Ω
)
WARNINGS
●
●
●
●
6-2. FUSE REPLACEMENT
6-3. PERIODICAL CHECK AND CALIBRATION
WARNINGS
Always use the specified fuse. Do not use the instrument shorting fuse
holder or without using the fuse.
Be sure to tighten the screw of rear case after the fuse replacement.
●
●
Plug Black Test Lead into "- (COM)" terminal and Red Test Lead into "+"
terminal.
Set
RANGE
Switch to a desired
Ω
range.
When measuring in-circuit resistor, turn off the circuit to be measured and
discharge the capacitors.
0
Ω
Adjustment
Short-circuit metal pins of the test leads. Turn
0
Ω
ADJ. Knob
until the meter
points to "0
Ω
".
NOTE :
0
Ω
Adjustment is necessary for each time when
Ω
range is selected.
NOTE :
0
Ω
Adjustment does not work if the battery is exhausted. Replace it
referring to
「
6-1. BATTERY REPLACEMENT
」
.
Connect test leads to resistor to be measured detaching its one side from the
circuit.
Read the meter on
OHMS
scale referring to
「
5-1. 7. Meter Scale Reading
」
.
NOTE :
Read the scale directly when measuring in "x 1" range. In "x 100"
range, multiply the scale by 100, and in "x 1k" range, multiply by 1,000.
NOTE :
For correct resistance measurement, select the range to point around
the center of
OHMS
scale.
Detach test leads from the resistor.
1.
2.
3.
4.
5.
6.
7.
Do not test non-specified batteries to avoid electric shock hazard and
serious damage to the instrument.
Do not test car battery.
Do not measure voltage or current in
BAT
range.
Battery exhausted level can be tested in Hi (1.5V 250mA), or Lo (1.5V 50mA)
ranges.
Testable batteries : 1.5V R20P (D), 1.5V R14P (C), 1.5V R6P (AA), 1.5V R03 (AAA)
5-6. 1.5V BATTERY TEST (BATT)
WARNINGS
●
●
●
Plug Black Test Lead into "- (COM)" terminal and Red Test Lead into "+"
terminal.
Set
RANGE
Switch to "Hi" or "Lo" of
BAT
range.
NOTE :
"Lo" range applies 50mA, and "Hi" range applies 250mA to the battery.
Confirm consumption current of the instruments that the battery will be used to
select the proper testing range.
Popular range selection : 1.5V R20P (D), 1.5V R14P (C) : "Hi" range
1.5V R6P (AA), 1.5V R03 (AAA) : "Lo" range
Connect black test lead to
−
(earth) side and red test lead to
＋
(positive) side.
Read the meter on
BATT
scale.
Meter points "
GOOD (blue)
" : The tested battery is good.
Meter points "
REPLACE (red)
" : The tested battery is exhausted and needs to
be replaced.
NOTE :
Even if meter points "REPLACE (red)" for 1.5V R6P (AA) battery tested
in "Lo" range, it may be used with low consumption current instruments.
1.
2.
3.
4.
810-02 temperature probe (option) is necessary. Measurement range is -50
℃
to
+250
℃
.
5-7. TEMPERATURE MEASUREMENTS (
℃
)
Plug Black Test Lead into "- (COM)" terminal and Red Test Lead into "+"
terminal.
Set
RANGE
Switch to
TEMP (x100)
range.
0
Ω
Adjustment
Short-circuit metal pins of the test leads. Turn
0
Ω
ADJ. Knob
until the meter
points to "
CAL
" line on
TEMP
scale.
Remove test leads from the terminals, and insert 810-02 temperature probe.
Connect temperature probe to the object to be measured.
Read the meter on
TEMP
scale.
1.
2.
3.
4.
5.
6.
Plug Black Test Lead into "- (COM)" terminal and Red Test Lead into "+"
terminal.
Set
RANGE
Switch to a desired
DC-mA
range.
WARNINGS
Turn off the circuit to be measured and discharge the capacitors.
Connect black test lead to
−
(earth) side and red test lead to
＋
(positive) side
of the measuring circuit.
NOTE :
Connect the multitester
IN SERIES
to the circuit.
NOTE :
Using alligator clips is recommended for safety measurement.
Turn on the circuit to be measured.
Read the meter on
DC/AC
scale referring to
「
5-1. 7. Meter Scale Reading
」
.
Turn off the measured circuit again and discharge the capacitors.
Detach test leads from the circuit.
1.
2.
3.
4.
5.
6.
7.
8.
●
●
●
NOTE :
1.
2.
3.
DC Current and Resistance measurement cannot be made if fuse blows out.
This instrument contains one spare fuse inside the rear case.
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.
Open rear case referring to
「
6-1. BATTERY REPLACEMENT
」
.
Replace a blowout fuse into a new one.
Fuse type :
Fast-acting 0.3A/250V (
φ
5x20mm)
Close rear case fitting from bottom to up, and tighten the screw.
1200
1200
300
120
30
12
300
120
30
12
3
3
60
30 300
0.3
Hi
Lo
BAT.
×
1
×
100
×
1k
AC-V
DC-V
μ
DC
TEMP
TEMP
DC
5k
2k
1k
AC
DC
AC
BATT
TEMP
TAUT BAND
1.5V VOLT
BATT
m
A
MADE IN JAPAN
NO.
DROP
PROOF
PROTECTION
10,000
／
V AC
20,000
／
V DC
20
10
5
30
15
6
3
50
10
4
2
100
200
5
2
1
50
0
0
0
0
20
8
4
25
10
5
30
12
6
250
200
100
50
0
-50
1.5
1.0
0.5
0
℃
CA
L
OHMS
C O M
Ω
R E
P L
A C E
G O O
D
UCHIDA
battery
KF-20
Red
Test Lead
Black
Test Lead
Red
Test Lead
Black
Test Lead
Red
Test Lead
Black
Test Lead
Red
Test Lead
Black Test Lead
fig. 6
fig. 7
fig. 9
fig. 8
1200
1200
300
120
30
12
300
120
30
12
3
3
60
30 300
0.3
Hi
Lo
BAT.
×
1
×
100
×
1k
AC-V
DC-V
μ
DC
TEMP
TEMP
DC
5k
2k
1k
AC
DC
AC
BATT
TEMP
TAUT BAND
1.5V VOLT
BATT
m
A
MADE IN JAPAN
NO.
DROP
PROOF
PROTECTION
10,000
／
V AC
20,000
／
V DC
20
10
5
30
15
6
3
50
10
4
2
100
200
5
2
1
50
0
0
0
0
20
8
4
25
10
5
30
12
6
25
0
200
100
50
0
-50
1.5
1.0
0.5
0
℃
CA
L
OHM
S
C O M
Ω
R E
P L
A C E
G O O
D
UCHIDA
outlet
KF-20
1200
1200
300
120
30
12
300
120
30
12
3
3
60
30 300
0.3
Hi
Lo
BAT.
×
1
×
100
×
1k
AC-V
DC-V
μ
DC
TEMP
TEMP
DC
5k
2k
1k
AC
DC
AC
BATT
TEMP
TAUT BAND
1.5V VOLT
BATT
m
A
MADE IN JAPAN
NO.
DROP
PROOF
PROTECTION
10,000
／
V AC
20,000
／
V DC
20
10
5
30
15
6
3
50
10
4
2
100
200
5
2
1
50
0
0
0
0
20
8
4
25
10
5
30
12
6
250
200
100
50
0
-50
1.5
1.0
0.5
0
℃
CA
L
OHMS
C O M
Ω
R E
P L
A C E
G O O
D
UCHIDA
＋
−
＋
−
Switch
KF-20
1200
1200
300
120
30
12
300
120
30
12
3
3
60
30 300
0.3
Hi
Lo
BAT.
×
1
×
100
×
1k
AC-V
DC-V
μ
DC
TEMP
TEMP
DC
5k
2k
1k
AC
DC
AC
BATT
TEMP
TAUT BAND
1.5V VOLT
BATT
m
A
MADE IN JAPAN
NO.
DROP
PROOF
PROTECTION
10,000
／
V AC
20,000
／
V DC
20
10
5
30
15
6
3
50
10
4
2
100
200
5
2
1
50
0
0
0
0
20
8
4
25
10
5
30
12
6
250
200
100
50
0
-50
1.5
1.0
0.5
0
℃
CA
L
OHM
S
C O M
Ω
R E
P L
A C E
G O O
D
Resistor
KF-20
Rear Case
1.5V R6P Battery
Screw
