
1200
®
For Professionals...Since 1857
Visit us at www.TestEquipmentDepot.com
99 Washington Street
Melrose, MA 02176
Phone 781-665-1400
Toll Free 1-800-517-8431

ENGLISH
The Klein Tools CL1200 is an auto-ranging clamp meter. It measures
AC / DC voltage, AC current, resistance, capacitance, frequency and duty
cycle. It can also test non-contact voltage, diodes, and continuity.
0°C / 32°F to 45°C / 113°F
-20°C / -4°F to 60°C / 140°F
± (% of reading + # of least signifi cant digits)
To ensure safe operation and service of the tester, follow these instructions.
a known voltage or current.
category based rating of this meter.
the metal probe contacts when making measurements.
To avoid false readings that can lead to electrical shock,
Always adhere to local and national safety codes. Use individual
Operating Altitude:
Humidity:
Operating Temperature:
Storage Temperature:
Calibration:
CAT Rating:
Accuracy:
AC Alternating Current Warning or Caution
~
DC Direct Current Dangerous levels
DC/AC Voltage or Current Double Insulated Class II
Ground
AC Source
Safe for disconnect
from live conductors
Test Equipment Depot - 800.517.8431
99 Washington Street Melrose, MA 02176
TestEquipmentDepot.com

1
A. Use CAT IV rated leads or higher.
Turn the dial or press a button to wake.
is displayed on LCD only during auto ranging mode.
will be saved while in this mode.
8
1200
4
4

1
2. AC / DC Current (small):
indicator is displayed on the LCD, batteries must be
Attach instrument to metal for hands-free use.
The bar graph shows an approximate analog representation
The bar graph responds much faster than the digital display.
The scale of the bar graph is zero to the maximum reading of
Current above 2000µA will damage instrument.
2
5
7
6
3
MAX/MINRANGEHOLD
400V
CATIII
600V
MAX/MINRANGEHOLD
PRESS
MAX/MINRANGEHOLD
PRESS
Test Equipment Depot - 800.517.8431
99 Washington Street Melrose, MA 02176
TestEquipmentDepot.com
400V
CATIII
600V

4. Frequency (Hz) / Duty Cycle
HOLD
Safely discharge capacitor before measurement.
measure resistance on a live circuit.
HOLD
PRESS &
HOLD
SELECT
Hz/Duty
MAX/MINRANGEHOLD
HOLD MAX/MIN
HOLD MAX/MIN

ENGLISH
8. Non Contact Voltage (NCV): > 25V AC
PRESS
and
HOLD
1200
PRESS
and
HOLD
1200
AC Measurement DC Measurement
Negative DC Value
Overload: Range Exceeded
Low Battery
Minimum Reading
Auto Range Active
Auto Power-Off Active
HOLD
Hold Active
Maximum Reading
Duty Cycle Mode Frequency Mode
Voltage Measurement
Current in Amps
Resistance in Ohms Diode Test
Capacitance in Farads Continuity Test
-9
Nano 10
Milli 10
Mega 10
-3
6
Micro 10
Kilo 10
3
-6
Range Resolution Accuracy
Overload Protection:
Range Resolution Accuracy
Overload Protection:
Frequency Response:
Minimum Voltage for Frequency Measurement:
Response:
Range Resolution Accuracy
Overload Protection:
• Voltage:
• Current (leads):
Test Equipment Depot - 800.517.8431
99 Washington Street Melrose, MA 02176
TestEquipmentDepot.com

Range Resolution Accuracy
Overload Protection:
• Voltage:
• Current: (leads)
Frequency:
Minimum Current for Frequency Measurement:
Response:
(clamp)
Range Resolution Accuracy
Overload Protection:
Range Resolution Accuracy
Overload Protection:
Range Resolution Accuracy
Overload Protection:
Sensitivity:
Range Resolution Accuracy
Overload Protection:
Frequency Range:
Sensitivity:
Overload Protection Range Test Current Open Circuit Voltage
Overload Protection Open Circuit Voltage Threshold (Appx.)
On Voltage

This product is warranted to be free from defects in materials and workmanship
for a period of two years from the date of purchase. During this warranty period,
any unit which fails to conform to this warranty under normal use and service.
This warranty does not cover damage which occurs in shipment or failure which
covered by warranty. A purchase receipt or other proof of original purchase date
will be required before warranty repairs will be rendered.
Any implied warranties, including but not limited to implied warranties of
warranty. Klein Tools shall not be liable for loss of use of the instrument or other
claim or claims for such damage, expenses or economic loss.
warranty, please contact Klein Tools at 1-877-775-5346.
Turn instrument off and disconnect test leads. Clean the instrument by using
a damp cloth. Do not use abrasive cleaners or solvents.
time. Do not expose to high temperatures or humidity. After a period of storage
section, allow the instrument to return to normal operating conditions before
Caution:
This symbol indicates that equipment and its accessories
shall be subject to a separate collection and correct disposal.
Test Equipment Depot - 800.517.8431
99 Washington Street Melrose, MA 02176
TestEquipmentDepot.com