07
COM
30V
MAX
05
Functions
AUTO OFF
OFF
MFD
HZ
MFD
°F
°C
Voltage AC (VAC) (50Hz-500Hz)
09
VDC
HZ
Use NCV to check 24VAC from a thermostat or live voltage up to
600VAC. Always test a known live source before using. A segment graph
and RED LED will display the presence of voltage. Audible beep increases
from intermittent to continuous as intensity of field (EF) increases.
AC Voltage Detection Range: 24VAC to 600VAC (50-60Hz)
Test power lines (120, 220, 480), test 24V going to controls, and
test for transformer failure.
Ranges: 500mV, 5V, 50V, 500V, 600V Resolution: 0.1mV
Accuracy: ±(1.2% + 8) 500mV range (50-60Hz)
±(1.2%+8), 5V, 50V, 500V; ±(1.5% + 8) 600V range
True RMS: model SC640 only Crest factor: ≤ 3
Audio/Visual Hi-V indicator: >30VAC/VDC
Input impedance: >100MΩ (500mV), 10MΩ (5V),
9.1MΩ (50V-600V)
10
µADC
%
V
30 X
MA
OFF
M
CO
E
YP
K-T
TO
AU
ld
Ho
0
64
S
RM
SC
UE
TR
DC
µA
e
ng
Ra
SH
RU
IN
t
Selec
HZ
50AAC
VAC HZ
400 AAC
VAC
HZ %
NCV
Unplug Leads and Slide
TEMP Switch to the Right
VDC
OFF
%
µADC
°F
°C
°F
°C
Non Contact Voltage (NCV)
COM
VDC
V
COM
30V
MAX
TYPE K
0
40
AC
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.
Range: -30°F to 932°F, (-35°C to 500°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 572°F, ±(1%+1°C) 0°C to 300°C
±(2%+6°F) -30°F to 32°F, ±(2%+3°C) -35°C to 0°C
±(2%+6°F) 572°F to 932°F, ±(2%+3°C) 300°C to 500°C
Sensor type: Type K thermocouple *After field calibration
Overload protection: 30 VDC or 30VAC rms
TYPE K
HZ
400 AAC
VAC
VAC
NCV
30V
MAX
VAC
Temperature (°F/°C)
AUTO OFF
AUTO OFF
HZ
50AAC
HZAC HZ
A
AAC
30V
MAX
COM
50
TYPE K
Please operate the instrument following all instructions
of the operator's manual to avoid impairing the safety
of the product.
08
Press to freeze the display.
Hold
30V
MAX
04
TRUE RMS
SC640
TRUE RMS
AUTO OFF
Press to manually select a range.
AUTO OFF
COM
30V
MAX Hold
Hold
TYPE K
Range
SC640
CAT III
600VIII
CAT
600V
AUTO OFF
OFF
Backlight: 60 second duration with auto-off. Blue color. SC640 only.
Overrange: (OL) or (-OL) is displayed
Measurement rate: 3.3 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 coefficient: 0.1 x (specified 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 Off): Approx. 30 minutes
Power: Single standard 9-volt battery, NEDA 1604, JIS 006P, IEC 6F22
Battery life: 200 hours typical alkaline (SC620); 100 hours typical
alkaline (SC640)
Low battery indication: Battery icon blinks and "LO.bt" is displayed
when the battery voltage drops below the operating level
Dimensions: 287.5mm(H) x 79.5mm(W) x 50.0mm(D)
Weight: Approx. 450g 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.
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.
µADC elect
FD
M
Never ground yourself when taking electrical
measurements. Do not touch exposed metal
pipes, outlets, fixtures, etc., which might be
at ground potential, while taking measurements. 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 fingers behind the finger guards
on the probes while taking measurements.
When disconnecting from a circuit, disconnect
the“RED”lead first, then the common“BLACK”
lead. Use one handed testing when possible.
Work with others.
Turn off 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 off, including motors, transformers, and solenoids. High voltage transients
can damage the meter beyond repair.
Z
°F
°C
Specifications
Display: 5000 count dual display
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 thermocouple 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
DC
DC
INRUSH
TYPE KTRUE RMS
03
DC
Z
NCV
Safety Information
TRUE RMS
Z
400 AC
Hold
AC
COM
02
K-TYPE
MAX
TYPE K
01
AC
SC640
COM
30V
MAX
SC640
Z
50 AC
Range
CATIII 600V, class II and pollution degree 2
indoor use comply with CE, RoHS compliant.
CATIII: Is for measurements performed in the
building installation.
AUTO OFF
TYPE K
Se
lec
t
WEEE
Hold
HZ
400 AAC
VAC
VAC
30V RMS AUTO
TRUE
OFF
TEMP
K-TYPE
MAX
OFF H MFD Press Vto illuminate backlight (SC640).
TRUE
RMS
AUTO
OFF
A
TEMP
30V
H
K-TYPE
V
H
TRUE
RMSMAXAUTO OFFCAT
III
A
%
30V
V
TEMP
K-TYPE600V
°F µA
MAX
30V
CAT
III
SC640
V
Press
to activate inrush MAX
current
°C
K-TYPE
TEMP 600V
H
TEMP CAT III
%
capture
mode
(SC640).
S
600V
NCV
TRUE RMS
Range
C-Tick (N22675)
Range
Se
lec
t
Hold
TRUE RMS
SC640
Z
50 AC
µADC
°F
°C
%
Range
VDC
Se
le
HZ ct
INRUSH
Se
lec
t
MFD
µADC
µADC
%
°F
°C
INRUSH
µADC
VDC
°F
°C
VDC
HZ
°F
°C
NCV
HZ
VDC
MFD
MFD
HZ
50AAC
VAC HZ
400 AAC
VAC
HZ
HZ
50AAC
VAC HZ
400AAC
VAC
EN61010-1
EN61010-2-032
EN61010-2-033
EMC EN61326-1
HZ
50AAC
VAC HZ
400 AAC
VAC
NCV
HZ
50AAC
VAC HZ
400 AAC
VAC
INRUSH
OFF
NCV
INRUSH
Models SC640 SC620
UL 61010-1, Third Edition
Auto Power Off Enabled
High Voltage Warning (>30VAC/VDC)
Manual Range (RNG) Mode
SEL
NCV
Data
Hold Mode
SEL
Inrush
Amps Mode (SC640)
MFD
VDC
SEL
Continuity Test
SEL
HZ
%
SEL
Diode
TestOFF
TRUE
RMS
AUTO
TRUE
RMS
AUTO
OFFOFF
TRUE
AUTO
°F µADC
30V RMS
Frequency
Test (hertz)
30VMAX
°C
K-TYPE
30V
K-TYPE
MAX
K-TYPE
MAXOFF
Resistance
Test (ohms)
OFF
TEMP
TRUE RMS
AUTO
TRUE
RMSOFF
AUTO
TEMP
TEMP
Capacitance
Test (farads)
30V RMS
TRUE
RMS30VAUTO
AUTO
OFFK-TYPE
TRUE
OFF
K-TYPE
MAX
CAT
IIICycle Test (percentage)
MAX
Rotate dial to the function you want
to
use.
Duty
CAT
III
30VTEMP
CAT III
TRUE
AUTO
OFF
30V
TRUE RMS
AUTORMS
OFF
600V
TEMP
600V
K-TYPE
K-TYPE
MAX
600V Unit (10−6, one millionth)
MAX
%
Micro
OFF
TEMP
30V
TEMP
30V
K-TYPE
K-TYPE
MAX
CAT IIIMAX CAT III Milli Unit (10−3, one thousandth)
TEMP
TEMP
600V
600V
CAT
III
CAT
III
KiloOFF
Unit (103, one thousand)
Press to cycle Amps AC and frequency600V
600V
TRUE RMS AUTO
%
CAT III
CAT III
H
OFF
Mega Unit (106, one million)
within
VAC/AAC/Hz switch position.
A
TRUE
RMS 30V
AUTO
600VOFF
600V
OFF
MFD
Display
Controls
INRUSH
Certifications
OPERATOR'S
MANUAL
The SC600 series are the new loaded clamp
meters for the HVACR professional. Hang your
SC600 series clamp meter to any metallic surface
with the redesigned heavy-duty magnet and
conveniently store your test leads when the
job is done. See both voltage and amperage
readings at the same time on the big dual LCD
display, even in low light conditions using the
bright blue backlight (backlight SC640 only).
Easily see your amperage readings no matter
how you clamp around a wire with the swivel
head AAC clamp.
Take more accurate VAC and AAC readings on
variable frequency drives with True RMS sensing
technology (SC640 only). Measure the starting
amp draw of a compressor with Inrush current
feature (SC640 only). Use the clamp jaw light to
easily light up the test area. (SC640 only).
Take measurements with one hand using theNCV
single test lead holder for added safety. TestMFD
leads come with removable gold plated tips to
connect with Fieldpiece accessory heads.
The SC600 series clamp meters are built toS
el
withstand the rigors of HVACR with high impact ect
Range
plastic and a display you can read in very hot or
very cold environments.
HZ
50AAC
VAC HZ
400 AAC
VAC
Loaded
Clamp
Meters
06
Description
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.
OFF
Quick Start
NCV
Fieldpiece
O
F Hz
AAC
SEL
SEL
SEL
INRUSH
F VAC
AAC
VDC NCV
MFD
°F°C% Hz
%MFD°C F VAC V
DC
INRUSH
NCV
% Hz °F
SEL
NCV
SEL
°CHz
INRUSH
°F°C
SEL
SEL
°F
INRUSH
Battery
Life
(replace 9V if blinking)
INRUSH
SEL
SEL
OFF
HZ
400 AAC
VAC
MFD
Duty Cycle (%)
VDC
HZ
Duty cycle shows the % On Time of a 5V logic signal square wave.
Ranges: 5%-95% (40Hz to 10kHz), 10%-90% (10kHz to 20kHz)
Accuracy (5V logic): ±(2% + 10) Resolution: 0.1% PW: >10µs
Overload Protection: 600VDC or 600VAC rms
°F
°C
Capacitance (MFD)
OFF
Set to MFD to test motor start and run capacitors. Capacitors
are one of the most failure prone components in a HVACR system.
Disconnect from power and resistors between terminals. Discharge
capacitor before testing. If dIS.C is displayed, capacitor is not
discharged completely.
Ranges: 5µF, 50µF, 500µF, 5mF Resolution: 1nF
Accuracy: ±(3% + 15) 5µF, ±(3% + 5) 50µF to 500µF, ±(5% + 20) 5mF
Overload Protection: 600VDC or 600VAC rms
11
NCV
°F
°C
%
µADC
Discharge Cap First!
HZ
%
°F
°C
µADC
OFF
NCV
HZ
50AAC
HZ
VAC
400 AAC
VAC
Metric
Ft/min
MPH
ºF
M/s
KM/hr
ºC
Metric
Real
time
OFF
VDC
MFD
HZ
%
AUTOOFF
µADC
°F
°C
AAV3
Select
Range
English
Hold
TRUE RMS
SC640
AUTO OFF
K-TYPE
OFF
NCV
30V
MAX
COM
Visit www.fieldpiece.com to see all of the
different accessory heads that Fieldpiece offers.
17
HZ
50AAC
VAC HZ
400 AAC
VAC
HZ
°F
°C
%
µADC
OFF
HZ
50AAC
VAC HZ
400 AAC
VAC
Auto Hold
NCV
Se
lec
t
MFD
VDC
Hold
°F
°C
TRUE RMS
TYPE K
Select
M/m
%
COM
TEMP
30V
MAX
CAT III
600V
Se
lec
t
Range CAT III
600V
TRUE RMS
Hold
SC640
Battery Replacement
AUTO OFF
When your meter’s battery is low, the battery
icon will appear empty and blink for 30 seconds.
“LO.bt” will displayAUTOand
meter will power off.
OFF
Turn dial to OFF position, disconnect test
leads and remove the battery cover with magnet
strap on the back of your meter. Remove old
battery and replace with a standard 9V battery
only. Be sure to re-insert the magnet strip before
re-installing the battery cover.
30V
MAX
TYPE K
COM
C
T1 TEMP
CAL
TYPE K
B
30V
MAX
COM
18
19
30V
MAX
OFF
K
AUTO
COM
Hold
TYPE
RMS
DC
VDC
40
SC6
HZ %
Inrush feature captures starting current of a compressor motor.
Starting current can assist in diagnosing a motor before it fails.
To activate Inrush feature
1. Turn selector switch to VAC/50AAC/Hz or VAC/400AAC/Hz
2. Press SELECT to show AAC on upper display. Press INRUSH, on right
side of the meter, to activate.
3. Clamp meter around compressor start wire. Turn motor on. The
starting current will hold on the upper display.
4. Hold INRUSH for 2 seconds to exit Inrush feature or press and
release INRUSH to measure starting current again.
Inrush measurement period: 100-milliseconds
Minimum input: >2A on 50A range; >20A on 400A range
! Note: AAC through the clamp and voltage through the test
leads can be measured simultaneously. However, if only AAC,
Frequency (Hz), or Inrush is measured through the clamp, test
leads and thermcouple must be unplugged from the meter.
Call Fieldpiece Instruments for one-pricefix-all out-of-warranty service pricing. Send
check or money order for the amount quoted.
Send the meter freight prepaid to Fieldpiece
Instruments. Send proof of date and location
of purchase for in-warranty service. The meter
will be repaired or replaced, at the option
of Fieldpiece, and returned via least cost
transportation.
For international customers, warranty for
products purchased outside of the U.S. should
be handled through local distributors.
This meter is warranted against defects in
material or workmanship for one year from
date of purchase. Fieldpiece will replace or
repair the defective unit, at its option, subject
to verification of the defect.
This warranty does not apply to defects
resulting from abuse, neglect, accident,
unauthorized repair, alteration, or unreasonable
use of the instrument.
Any implied warranties arising from the sale of
a Fieldpiece product, including but not limited
to implied warranties of merchantability and
fitness for a particular purpose, are limited to
the above. Fieldpiece shall not be liable for loss
of use of the instrument or other incidental or
consequential damages, expenses, or economic
loss, or for any claim of such damage, expenses,
or economic loss.
State laws vary. The above limitations or
exclusions may not apply to you.
30V
MAX
%
µADC
Obtaining Service
Limited Warranty
e
Rang
AUTO OFF
TYPE K
15
Clean the exterior with a dry cloth. Do not
use liquid.
µADC
TEMP
COM
%
µADC
Maintenance
AAC
VAC
VDC
NCV
°F°C
Press and hold
for two seconds. Meter
AUTO OFF
will beep andSC640
HOLD will blink on LCD. After 6
seconds the measurement on screen will freeze
automatically. Press
to exit this mode.
HZ
Range
VDC
°F
°C
ge
M/m VDCRan
Select
HZ
50AAC
VAC HZ
400 AAC
VAC
HZ
AAC
VAC
VDC
NCV
°F°C
DO NOT SWITCH
FROM J2
%
µADC
MFD
HOLD
VDC
READ
OFF
INRUSH
MFD
LCD X
100
Air Velocity
& Temperature Average
English (16 sec)
Head
INRUSH
NCV
ON
LO BATT
MFD
A
HZ
50AAC
VAC HZ
400 AAC
VAC
VDC
NCV
VDC
HZ
°F
°C
HZ
°F
°C
SH
INRU
Inrush Current (SC640 only)
MFD
Auto power off or APO will automatcially turn
off your meter after 30 minutes of inactivty. By
default it is activated and APO will show on the
display. To disable, turn meter off. Hold
and
SC240
power on the meter by turning the selector
dial
to any range. Release
after the beep. APO will
no longer displaySC240
over the battery icon.
INRUSH
HZ
400 AAC
VAC
VAC
MFD
Fieldpiece
HOLD
HZ
50AAC
Fieldpiece
MFD
1. Select the °F °C range.
2. Plug thermocouple to be
calibrated into the Type K
jack.
3. Unscrew A and B and
remove the battery cover.
4. Stabilize a large cup of ice
water. Stir the ice with the
water until temperature
stays at a stable value.
5. Immerse the thermocouple
probe and let it stabilize.
Keep stirring water to
prevent thermocouple from
direct contact with ice.
6. Use a small screwdriver
to adjust calibration pot C
below the battery as close to
32°F(0°C) as you would like.
Note: J1-J2 switch is for autocalibration purposes only. Do
not switch from J2.
NCV
HZ
50AAC
HZ
VAC
400 AAC
VAC
MFD
%
µADC
14
Auto Power Off
For accuracies of ±1°F, calibrate thermocouple
to a known temperature. A glass of stabilized
ice water is very close to 32°F (0°C) and is usually
very convenient but any known temperature
can be used.
Your new Swivel Clamp Meter is compatible
with all Fieldpiece Accessory Heads. With
Fieldpiece Accessory Heads, you can measure
any available parameter, and read the
measurement on your new meter's display in
real-time.
Just set the range to VDC and press the
RANGE button until mV is displayed. Remove
the probe tips of your test leads, and connect
your accessory head (model AAV3 shown).
OFF
K-TYPE
CAT III
600V
Temp. Calibration
OFF
NCV
K-TYPE
TEMP
TEMP
Measure Hz on variable frequency drive motors. Turn dial to VAC/
AAC/Hz and press SELECT twice. Hz will show in upper display.
Range: 10Hz to 400Hz Accuracy: ±(0.1% + 5)
Minimum current range: > 5AAC Overload Protection: 400AAC
Resolution: 0.1Hz
HZ
50AAC
VAC HZ
400 AAC
VAC
HZ
Test diodes
forIIIproper forward and reversed-biased functions.
CAT
Test current:600V
0.8mA (Approx.) Accuracy: ±(1.5% + 5)
Open circuit volts: 3.2VDC typical Audible beep: <0.03V
Visual Indicator: Green LED
Overload
600VDC or 600VAC rms
TRUE
RMS Protection:
AUTO OFF
30V
13MAX
Frequency (Hz) Through Clamp
VDC
°F
°C
Diode Test ( )
VDC
12
OFF
30V
MAX
%
µADC
MFD
Use the continuity feature to test if a circuit is open or closed. Use
this feature to check fuses as well. A steady “beep” and green LED
indicate you have continuity.
Range: 500Ω Resolution: 0.1Ω Response time: 100ms
AudibleRMS
beep: <30Ω
Overload
TRUE
AUTO
OFF Protection: 600VDC or 600VAC rms
HZ
50AAC
VAC HZ
400 AAC
VAC
HZ
OFF
NCV
Continuity SEL
( )
%
µADC
MFD
Modular
Expandability
16
HZ
50AAC
VAC
NCV
°F
°C
Resistance (Ω)
Frequency (Hz) Through Leads
Check incoming voltages to ensure they are cycling at 60Hz. For
frequency measurements on VFD equipment, use the amp clamp.
Ranges: 500Hz, 5kHz, 50kHz, 500kHz, 1MHz Resolution: 0.1Hz
Accuracy: ±(0.1% + 5) Sensitivity: 10Hz to 1MHz: >3.5Vrms
PW: >1µs Duty Cycle Limits: >30% and <70%
HZ
TRUE
°F
°C
%
VDC
MFD
µA
HZ
µADC
Test any isolated power line. Press SELECT on VAC/AAC/Hz
position. Read AAC in upper display. True RMS on SC640 only.
Ranges: 50A, 400A Resolution: 0.01A Crest factor: ≤ 3
Accuracy: ±(2.0% + 10) 50-60Hz Jaw Opening: 1.2in (30 mm)
°F
°C
VDC
NCV
Amps AC (AAC) True RMS
HZ
50AAC
VAC HZ
400 AAC
VAC
e
Rang
MFD
OFF
HZ
AC HZ
50A
AC
VAC 400A
VAC
NCV
HZ
50AAC
VAC HZ
400 AAC
VAC
Select
OFF
OFF
Voltage DC (VDC)
Microamps for flame rectifier diode test on a heater control.
Connect leads between flame sensor probe and control module and
turn heating unit on to read µA measurement. When the flame is on,
there should be a measurable µADC signal, typically under 10µADC.
Compare measurement to manufacturer’s specification to determine
if replacement is necessary.
Ranges: 500µA Resolution: 0.1µA
Accuracy: ±(1.0% + 2) Volts burden: 1V
Overload Protection: 600VDC or 600VAC rms
MFD
MicroAmps DC (µADC)
NCV
F AAC
F VAC VDC
MFD
SC56
%
NCV
Hz
°F°C Select VDC and measure DC voltages on circuit boards on more
INRUSH
advanced HVACR systems.
Ranges: 500mV, 5V, 50V, 500V, 600V Resolution: 0.1mV
Accuracy: ±(0.5% + 2)
HOLD
Input impedance:
O Hz >100MΩ (500mV), 10MΩ (5V),
F
A
AC
9.1MΩ (50V-600V)
F VAC VDC
MFD
%
NCV
Hz
°C
°F
Used for “ohming out” aSEL
compressor motor. 0.1Ω resolution is
INRUSH
useful to test the resistance between the motor poles
because the
values are typically very low.
Ranges: 500Ω, 5kΩ, 50kΩ, 500kΩ, 5MΩ, 50MΩ
Resolution: 0.1Ω Overload Protection: 600VDC or 600VAC rms
Accuracy: ±(1.0% + 5) 500Ω to 500kΩ, ±(1.5% + 5) 5MΩ, ±(3.0%
+ 5) 50MΩ
www.fieldpiece.com
© Fieldpiece Instruments, Inc 2014; v28
20