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06
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07
03
08
04
09
05
10
Quick Start
1. For electrical testing, connect test leads to
"COM" and "+" jacks.
2. Rotate the dial to your desired measurement.
3. Connect to test points and read measurement.
4. For temperature testing, remove test leads,
slide TEMP switch to the right and connect
Type K thermocouple (SC240/SC260 only).
Certifications
UL 61010-1, Third Edition
EN61010-1
EN61010-2-032
EN61010-2-033
EMC EN61326-1
C-Tick (N22675)
WEEE
CATIII 600V, class II and pollution degree 2
indoor use comply with CE, RoHS compliant.
CATIII is for measurements performed in the
building installation.
Description
The new SC200 series compact clamp meters
are designed for everyday HVACR service. Their
compant pocketable design makes them easy
to take on any job.
Hang the SC260 to any metallic surface with
its newly designed swivel magnet to keep your
hands free to do more. Test variable frequency
drives more accurately with True RMS and easily
see your measurements in low lighting with the
bright blue blacklight (SC260 only).
Save time with the new Auto Select mode.
Simply set the dial to (
O
F
F
M
FD
NCV
VAC
VDC
AAC
Hz
Hz
%
°C
°F
SC56
AUTO OFFTRUE RMS
CAT III
600V
TEMP
K-TYPE
30V
MAX
SEL
HOLD
INRUSH
/
O
F
F
M
FD
NCV
VAC
VDC
AAC
Hz
Hz
%
°C
°F
SC56
AUTO OFFTRUE RMS
CAT III
600V
TEMP
K-TYPE
30V
MAX
SEL
HOLD
INRUSH
/
O
F
F
M
FD
NCV
VAC
VDC
AAC
Hz
Hz
%
°C
°F
SC56
AUTO OFFTRUE RMS
CAT III
600V
TEMP
K-TYPE
30V
MAX
SEL
HOLD
INRUSH
/MFD) and
connect your leads. Your meter will automatically
select the appropriate measurement depending
on what it detects. Move from a cold freezer to
a hot rooftop and get accurate temperature
measurements that lesser thermometers cannot
measure properly (SC240/SC260 only).
Test for proper ame rectication micro amp
DC current on heating systems (SC220 only).
All SC200 compact clamp meters are built to
withstand the rigors of HVACR service with high
impact plastic and a display you can read in very
hot or very cold environments.
Controls
Rotate dial to the function you want to use.
Select a parameter. Ohms/Continuity/
Diode/MFD. °F/°C (SC240/260 only).
Toggle backlight (SC260 only).
Freeze maximum and minimum read-
ing. Hold for 1 second to clear .
(SC240/SC260 only)
Manually select a range (SC220/240).
Freeze the display.
Fieldpiece
Compact
Clamp
Meters
OPERATOR'S
MANUAL
Models SC260
SC240 SC220
Display
Battery Life (replace 9V if blinking)
O
F
F
M
FD
NCV
VAC
VDC
AAC
Hz
Hz
%
°C
°F
SC56
AUTO OFFTRUE RMS
CAT III
600V
TEMP
K-TYPE
30V
MAX
SEL
HOLD
INRUSH
Auto Power O Enabled
O
F
F
M
FD
NCV
VAC
VDC
AAC
Hz
Hz
%
°C
°F
SC56
AUTO OFFTRUE RMS
CAT III
600V
TEMP
K-TYPE
30V
MAX
SEL
HOLD
INRUSH
High Voltage Warning (>16VAC/35VDC)
O
F
F
M
FD
NCV
VAC
VDC
AAC
Hz
Hz
%
°C
°F
SC56
AUTO OFFTRUE RMS
CAT III
600V
TEMP
K-TYPE
30V
MAX
SEL
HOLD
INRUSH
Manual Range (Range) Mode
Maximum Reading
Minimum Reading
Data Hold Mode
Auto Select Mode (
O
F
F
M
FD
NCV
VAC
VDC
AAC
Hz
Hz
%
°C
°F
SC56
AUTO OFFTRUE RMS
CAT III
600V
TEMP
K-TYPE
30V
MAX
SEL
HOLD
INRUSH
/
O
F
F
M
FD
NCV
VAC
VDC
AAC
Hz
Hz
%
°C
°F
SC56
AUTO OFFTRUE RMS
CAT III
600V
TEMP
K-TYPE
30V
MAX
SEL
HOLD
INRUSH
/
O
F
F
M
FD
NCV
VAC
VDC
AAC
Hz
Hz
%
°C
°F
SC56
AUTO OFFTRUE RMS
CAT III
600V
TEMP
K-TYPE
30V
MAX
SEL
HOLD
INRUSH
/MFD)
O
F
F
M
FD
NCV
VAC
VDC
AAC
Hz
Hz
%
°C
°F
SC56
AUTO OFFTRUE RMS
CAT III
600V
TEMP
K-TYPE
30V
MAX
SEL
HOLD
INRUSH
Continuity Test
O
F
F
M
FD
NCV
VAC
VDC
AAC
Hz
Hz
%
°C
°F
SC56
AUTO OFFTRUE RMS
CAT III
600V
TEMP
K-TYPE
30V
MAX
SEL
HOLD
INRUSH
Diode Test
O
F
F
M
FD
NCV
VAC
VDC
AAC
Hz
Hz
%
°C
°F
SC56
AUTO OFFTRUE RMS
CAT III
600V
TEMP
K-TYPE
30V
MAX
SEL
HOLD
INRUSH
Resistance Test (ohms)
O
F
F
M
FD
NCV
VAC
VDC
AAC
Hz
Hz
%
°C
°F
SC56
AUTO OFFTRUE RMS
CAT III
600V
TEMP
K-TYPE
30V
MAX
SEL
HOLD
INRUSH
Capacitance Test (farads)
Nano Unit (10
-9
, one billionth)
O
F
F
M
FD
NCV
VAC
VDC
AAC
Hz
Hz
%
°C
°F
SC56
AUTO OFFTRUE RMS
CAT III
600V
TEMP
K-TYPE
30V
MAX
SEL
HOLD
INRUSH
Micro Unit (10
−6
, one millionth)
O
F
F
M
FD
NCV
VAC
VDC
AAC
Hz
Hz
%
°C
°F
SC56
AUTO OFFTRUE RMS
CAT III
600V
TEMP
K-TYPE
30V
MAX
SEL
HOLD
INRUSH
Milli Unit (10
−3
, one thousandth)
O
F
F
M
FD
NCV
VAC
VDC
AAC
Hz
Hz
%
°C
°F
SC56
AUTO OFFTRUE RMS
CAT III
600V
TEMP
K-TYPE
30V
MAX
SEL
HOLD
INRUSH
Kilo Unit (10
3
, one thousand)
O
F
F
M
FD
NCV
VAC
VDC
AAC
Hz
Hz
%
°C
°F
SC56
AUTO OFFTRUE RMS
CAT III
600V
TEMP
K-TYPE
30V
MAX
SEL
HOLD
INRUSH
Mega Unit (10
6
, one million)
Safety Information
Never ground yourself when taking electrical
measurements. Do not touch exposed metal
pipes, outlets, xtures, etc., which might be
at ground potential, while taking measure-
ments. Keep your body isolated from ground
by using dry clothing, rubber shoes, rubber
mats, or any approved insulating material.
Disconnect the test leads before opening the
case. Inspect the test leads for damage to the
insulation or exposed wire. Replace if suspect.
Keep your ngers behind the nger guards on
the probes while taking measurements.
When disconnecting from a circuit, disconnect
the “RED” lead rst, then the common “BLACK”
lead. Use one handed testing when possible.
Work with others.
Turn o power to the circuit under test before
cutting, unsoldering, or breaking the circuit.
Do not measure resistance (ohms) when circuit
is powered. Isolate load by disconnecting
from circuit.
Disconnect the meter from circuit before turning
any inductor o, including motors, transform-
ers, and solenoids. High voltage transients
can damage the meter beyond repair.
Do not use during electrical storms.
Do not apply more than rated voltages between
input and ground.
Isolate capacitors from system and discharge
them safely before testing.
Temperature switch prevents leaving thermo-
couple plugged in while measuring voltage.
When measuring high frequency AC current, do
not exceed the rated 400AAC of the clamp.
Failure to adhere may cause the clamp to heat
up dangerously.
All voltage tests: All voltage ranges will
withstand up to 600V. Do not apply more than
600VDC or AC rms.
Symbols used:
Caution, risk of electric shock
Caution, refer to manual.
Ground
Double insulation
Specifications
Display: 4000 count
Backlight: 5 minute duration with auto-o. Blue color. SC260 only
Overrange: (OL) or (-OL) is displayed
Measurement rate: 3 times per second, nominal
Zero: Automatic
Operating environment: 32°F to 122°F (0°C to 50°C) at <70%
relative humidity
Storage temperature: -4°F to 140°F (-20°C to 60°C), 0 to 80% RH
(with battery removed)
Accuracy: Stated accuracy @ 73°F±9°F (23°C±5°C), <75%RH
Temperature coecient: 0.1 x (specied accuracy) per °C [0°C to
19°C (32°F to 66°F), 28°C to 50° C(82°F to 122°F)]
APO (Auto Power O): Approx. 30 minutes
Power: 9V, NEDA 1604A, IEC 6LR61 9V alkaline battery
Battery life: 200 hours typical alkaline (SC220/SC240); 150 hours
typical alkaline (SC260)
Low battery indication: Battery icon blinks and "LO.bt" is displayed
when the battery voltage drops below the operating level
Dimensions: 205.5mm(H) x 67.4mm(W) x 45.1mm(D)
Weight: Approx. 265g including battery
Altitude: Up to 6562 ft (2000m)
Overload protection: 600 VDC or 600VAC rms unless otherwise
stated
Test leads: Use UL listed test leads that comply to UL61010-031
rated CATIII 600V or above. Included test leads are gold-plated
and have removeable safety caps.
Please operate the instrument following all instructions
of the operator's manual to avoid impairing the safety
of the product.
Functions
Temperature (°F/°C) SC240 and SC260 only
Plug any Type K thermocouple directly into the meter to measure
temperature. Cold junction is located inside the meter and allows for
extremely accurate measurements even in rapidly changing ambient
temperatures (going from rooftop to freezer). No adapter is required.
See Temp Calibration section for calibration instructions.
Range: -30°F to 752°F, (-35°C to 400°C) Resolution: 0.1°
Accuracy: ±(1°F)* 32°F to 120°F, ±(1°C) 0°C to 49°C
±(1%+2°F) 32°F to 392°F, ±(1%+1°C) 0°C to 200°C
±(2%+6°F) -30°F to 32°F, ±(2%+3°C) -35°C to 0°C
±(2%+6°F) 392°F to 752°F, ±(2%+3°C) 200°C to 400°C
Sensor type: Type K thermocouple *After eld calibration
Overload protection: 30 VDC or 30VAC rms
Voltage DC (VDC)
Select VDC and measure DC voltages on circuit boards on more
advanced HVACR systems.
Ranges: 4V, 40V, 400V, 600V Resolution: 0.001V
Accuracy: ±(0.5% + 2)
Input impedance: 10MΩ (4V), 9.1MΩ (40V-600V)
Voltage AC (VAC) (50Hz-500Hz)
Test power lines (120, 220, 480), test 24V going to controls, and
test for transformer failure.
Ranges: 4V, 40V, 400V, 600V Resolution: 0.001V
Accuracy: ±(1.2% + 8)
±(1.5% + 8) on 600V range
True RMS: model SC260 only Crest factor: ≤ 3
Audio/Visual Hi-V indicator: >16VAC/35VDC
Input impedance: 10MΩ (4V), 9.1MΩ (40V-600V)
WARNINGS
DISCONNECT AND UNPLUG TEST LEADS before opening case.
TEST NCV FUNCTION ON KNOWN LIVE WIRE before using.
DO NOT APPLY VOLTAGE greater than 30VAC or 60VDC to the
thermocouple or the jacks when the rotary dial is on °F°C. (Use
only Type K thermocouples)
DO NOT APPLY VOLTAGE TO THE JACKS when the rotary dial is on
microamps. Even low voltages can cause a current overload and
potentially harm the meter.
COM
CAT III
600V
Fieldpiece
Select
M/m
SC260
TRUE RMS
V
AC
NCV
A
AC
°F°C
V
DC
MFD
TEMP
AUTO OFF
TYPE K
30V
MAX
VAC
NCV
A
AC
°F°C
V
DC
MFD
AUTO OFF
TYPE K
30V
MAX
COM
Unplug Leads and Slide
TEMP Switch to the Right
VAC
NCV
A
AC
°F°C
V
DC
MFD
VAC
NCV
A
AC
°F°C
V
DC
MFD
Select
M/m
SC260
TRUE RMS
VAC
NCV
A
AC
°F°C
V
DC
MFD
TEMP
AUTO OFF
TYPE K
30V
MAX
COM
CAT III
600V
Fieldpiece
Select
M/m
SC260
TRUE RMS
VAC
NCV
A
AC
°F°C
V
DC
MFD
TEMP
AUTO OFF
TYPE K
30V
MAX
COM
CAT III
600V
Fieldpiece
Select
M/m
SC260
TRUE RMS
VAC
NCV
A
AC
°F°C
V
DC
MFD
TEMP
AUTO OFF
TYPE K
30V
MAX
HOLD
COM
CAT III
600V
Fieldpiece
Select
Range
M/m
SC240
VAC
NCV
A
AC
°F°C
V
DC
MFD
TEMP
AUTO OFF
TYPE K
30V
MAX
HOLD
COM
CAT III
600V
Fi eldpiece
Select
Range
M/m
SC240
VAC
NCV
A
AC
°F°C
V
DC
MFD
TEMP
AUTO OFF
TYPE K
30V
MAX
VAC
NCV
A
AC
°F°C
V
DC
MFD
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