Fieldpiece Instruments SC680 OPERATOR'S MANUAL

Fieldpiece

+

INRUSH

Job Link® System
Power
Clamp Meter

OPERATOR'S
MANUAL

Model SC680

11

Safety Information

Understand and follow operating instructions

carefully.

A Warning identifies conditions and procedures
that are dangerous to the user. A Caution identifies
conditions and procedures that can cause damage to
the Product or the equipment under test.

! WARNING

To avoid possible electric shock, personal injury or
death, follow these guidelines:

• Use the meter only as specified in this manual;
otherwise, the protection provided by the meter
may be impaired.

• Do not use if meter appears damaged. Visually
inspect the meter to ensure case is not cracked
and back case is securely in place.

• Inspect and replace leads if insulation is damaged,
metal is exposed, or probes are cracked. Pay
particular attention to the insulation surrounding
the connectors.

• Do not use meter if it operates abnormally as
protection maybe impaired.

• Use only correct measurement category (CAT),
voltage, and amperage rated probes, test leads,
and adapters for the measurement.

• Do not use this meter to verify the presence of
hazardous voltages on circuits that may have
voltages generated from frequencies above
1000Hz as the low pass filter limits voltage
measurements to below 1000Hz.

• Do not use during electrical storms or in wet
weather.

• Do not use around explosive gas, dust, or vapor.

• Do not apply more than the rated voltage to,
as marked on the meter, between terminals or
between any terminal and earth ground.

• Do not use without the battery and the back case
properly installed.

• Replace battery as soon as battery indicator
appears to avoid false readings.

• Remove the test leads from the circuit prior to
removing battery cover.

• Do not attempt to repair this unit as it has no
user-serviceable parts.

• Temperature switch prevents leaving
thermocouple plugged in while measuring
voltage.

• Do not measure current while the test leads are
in the input jacks.

• When measuring high frequency AC current,
do not exceed the rated 600AAC of the clamp.
Failure to adhere may cause the clamp to heat
up dangerously.

• Do not use the HOLD function to measure
unknown potentials. When HOLD is turned on,
the display does not change when a different
potential is measured.

• Do not use in CAT III or CAT IV environments with
the protective cap of test probe. The protective
cap decreases the exposed probe metal <4mm.
This decreases the possibility of arc flash from

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short circuits.

!

!

!

• Do not place magnet inside Category IV panel.
Place it outside the panel instead.

CAUTION

To protect yourself, think “Safety First”:

• Voltages exceeding 30VAC or 60VDC pose a shock
hazard so use caution.

• Use appropriate personal protective equipment
such as safety glasses, face shields, insulating
gloves, insulating boots, and/or insulating mats.

• Disconnect circuit power and discharge all high­voltage capacitors before testing resistance,
continuity, diodes, or capacitance.

Before each use:

• Perform a continuity test by touching the test
leads together to verify the functionality of the
battery and test leads.

• Use the 3 Point Safety Method. (1) Verify meter
operation by measuring a known voltage. (2)
Apply meter to circuit under test. (3) Return to
the known live voltage again to ensure proper
operation.

• Use the proper terminals, functions and range for
your measurements.

• Never ground yourself when taking electrical
measurements.

• Connect the black common lead to ground
or neutral before applying the red test lead to
potential voltage. Disconnect the red test lead
from the voltage first.

• Always work with a partner.

• Keep fingers behind the finger guards on the
probes.

All voltage tests: All voltage ranges will
withstand up to 1000VDC/750VAC rms. Do not
apply more than 1000VDC or 750VAC rms.

Symbols used:

Caution, risk of electric shock

Caution, refer to manual.

Ground

Double insulation

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/VDC 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.

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Description

Your SC680 is the top of the line clamp meter with
wireless functionality for the HVACR professional. Send
your electrical measurements directly to the Job Link®
System mobile app. Leave the meter behind a closed
blower door and view the current measurement on your
mobile device.

Help determine system efficiency by directly
measuring power consumption (W) of the system. Use
this value to inform your customer of energy saving
measures you can take to help them save money on
their energy bills.

The SC680 is the only meter you’ll need for
troubleshooting mini-split systems. Dual Type K
temperature ports to measure entering/exiting air
temperatures and measure frequency (Hz) directly with
clamp jaw. Reach those cramped mini-split connectors
with the included RCT2 probe tips for voltage and
resistance measurements.

Hang your SC680 clamp meter to any metallic surface
with the heavy-duty magnet. When the job is done, store
your test leads in the back case for tidy and convenient
storage. See both voltage and amperage readings at the
same time on the large dual display.

Easily see your amperage readings no matter how you
clamp around a wire with the swivel head AAC clamp.

Verify the order of 3-phase voltage lines with just two
leads. Capture L1-L2 and L1-L3 to check that motor lines
are correctly installed with Phase Rotation test.

Take more accurate VAC and AAC readings on variable

frequency drives with True RMS sensing technology.
Measure the starting amp draw of a compressor with
Inrush current mode.

Illuminate the way with a powerful LED built into the
clamp jaw. Easily see your measurements with the bright
blue backlight on the display. Safely change functions
with the backlit illuminated dial.

Take measurements more safely with one hand
using the single test lead holder. Test leads come with
removable gold plated tips to reliably connect Fieldpiece

accessory heads.

What’s Included

• SC680 Job Link® System Power Clamp Meter

• ADLS2 Deluxe Test Leads Kit

• ASA2 Alligator Clips

• RCT2 Molex Probe Tips

• 2 ATB1 Type K Thermocouples

• 2 Velcro Straps

• 9V Alkaline Battery (Not installed)

• ANC7 Protective Padded Case

• Operator’s manual

Quick Start

1. For electrical testing, connect test leads to black "COM"

and red "+" 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 thermocouples.

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Measurements Dial

ZERO A

DC

INRUSH

H/M/m

DC

INRUSH

OFF

Select

H/M/m

ZERO A

DC

°F °C

INRUSH

Sync

OFF

Range

Select

H/M/m

ZERO A

DC

°F °C

INRUSH

+

INRUSH

Buttons

Illuminate backlight. Press for 1 second to

zero Amps DC

INRUSH

Activate Inrush AAC capture mode

The SC680 is loaded with the measurement
parameters essential for HVACR professionals.
Select the parameter on the dial you want to
measure with the rotating selector switch.

Activate wireless to connect to Job Link®

System mobile app

Activate and cycle through Hold, Maximum,

minimum, and real-time measurements
(Press for 1 second to clear and exit)

Deactivate autoranging and select the

range manually

Cycle through displayed values on
applicable switch positions (Press for 1

second to toggle °F and °C)

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Display Icons

Battery Life Monitor
Auto Power Off Enabled
High Voltage Warning (>30VAC/VDC)
Manual Ranging
Data Hold
Maximum
Minimum
Inrush AAC
Wireless ON to Job Link® mobile app
Watts (Active Power)
Power Factor
Reactive Power
Apparent Power
Temperature Inputs
Delta T
Fahrenheit / Celsius
Continuity Test
Diode Test
Frequency (Hertz)
Duty Cycle (percentage)
Resistance Test (Ohms)
Capacitance Test (farads)
Microamps DC
Nano Unit (10−9, one billionth)
Micro Unit (10−6, one millionth)
Milli Unit (10−3, one thousandth)
Kilo Unit (103, one thousand)
Mega Unit (106, one million)
Alternating Current
Direct Current

Easy to Read Display

Easily see your measurements on the large dual
display. You’ll never miss a reading no matter the
lighting with the bright blue backlight to illuminate
the way.

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