Greenlee CSJ-100 User manual

INSTRUCTION MANUAL
MANUAL DE INSTRUCCIONES
MANUEL D’INSTRUCTIONS
CSJ-100
Digital
Open Jaw Meter
Medidor digital
de pinza abierta
Contrôleur
numérique à
pince ouverte
52024623 © 2006 Greenlee Textron Inc. 11/06
Read and understand all of the instructions and
safety information in this manual before
operating or servicing this tool.
Lea y entienda todas las instrucciones y la
información sobre seguridad que aparecen en
este manual, antes de manejar esta herramienta
o darle mantenimiento.
Lire attentivement et bien comprendre toutes les
instructions et les informations sur la sécurité de
ce manuel avant d‘utiliser ou de procéder à
l‘entretien de cet outil.

2
Description
The Greenlee CSJ-100 Digital Open Jaw Meter is a hand-held testing device
with the following measurement capabilities: AC current, AC or DC voltage,
and resistance. It also checks diodes, verifies continuity, and detects
electric fields (EF).
Safety
Safety is essential in the use and maintenance of Greenlee tools and
equipment. This instruction manual and any markings on the tool provide
information for avoiding hazards and unsafe practices related to the use of
this tool. Observe all of the safety information provided.
Purpose of This Manual
This instruction manual is intended to familiarize all personnel with the
safe operation and maintenance procedures for the Greenlee CSJ-100
Digital Open Jaw Meter.
Keep this manual available to all personnel.
Replacement manuals are available upon request at no charge:
www.greenlee.com.
KEEP THIS MANUAL
All specifications are nominal and may change as design improvements occur. Greenlee
Textron Inc. shall not be liable for damages resulting from misapplication or misuse of
its products.
® Registered: The color green for electrical test instruments is a registered trademark
of Greenlee Textron Inc.
Do not discard this product or throw away!
For recycling information, go to www.greenlee.com.

3
CSJ-100
Important Safety Information
Electric shock hazard:
Contact with live circuits could result in severe
injury or death.
Read and understand this material before
operating or servicing this equipment. Failure to
understand how to safely operate this tool could
result in an accident causing serious injury or
death.
This symbol is used to call your attention to hazards or unsafe
practices which could result in an injury or property damage. The
signal word, defined below, indicates the severity of the hazard. The
message after the signal word provides information for preventing or
avoiding the hazard.
SAFETY ALERT SYMBOL
Immediate hazards which, if not avoided, WILL result in severe injury
or death.
Hazards which, if not avoided, COULD result in severe injury or death.
Hazards or unsafe practices which, if not avoided, MAY result in injury
or property damage.

4
Important Safety Information
Electric shock and fire hazard:
• Do not expose this unit to rain or moisture.
• Do not use the unit if it is wet or damaged.
• Use this unit for the manufacturer’s intended purpose only, as
described in this manual. Any other use can impair the protection
provided by the unit.
Failure to observe these warnings could result in severe injury or death.
Electric shock hazard:
• Do not operate with the case or battery door open.
• Before opening the case or battery door, remove the test leads (or
jaw) from the circuit and shut off the unit.
Failure to observe these warnings could result in severe injury or death.
Electric shock hazard:
• Using this unit near equipment that generates electromagnetic
interference can result in unstable or inaccurate readings.
• Unless measuring voltage or current, shut off and lock out power.
Make sure that all capacitors are discharged. Voltage must not be
present.
Failure to observe these warnings could result in severe injury or death.

5
CSJ-100
Important Safety Information
Electric shock hazard:
• Do not attempt to repair this unit. It contains no user-serviceable
parts.
• Do not expose the unit to extremes in temperature or high humidity.
Refer to “Specifications.”
Failure to observe these precautions may result in injury and can
damage the unit.
Electric shock hazard:
Do not change the measurement function while the test leads are
connected to a component or circuit.
Failure to observe this precaution may result in injury and can damage
the unit.

6
Identification
1. Jaw
2. EF indicator
3. Display
4. Hold/toggle button
5. EF button
6. Selector switch
7. Negative, common (COM), or ground
input terminal
8. Volts or resistance (V-Ω) input terminal
Symbols on the Unit
Warning—Read the instruction manual
Risk of electric shock
Double insulation
Battery
Recycle product in accordance with manufacturer’s directions
Display Icons
9. Hold function is enabled.
10. A Amps
11. V Volts
12. ΩOhms
13. k kilo (103)
14. M Mega (106)
15. Continuity mode
16. Auto ranging is enabled.
17. Diode mode
18. AC measurement is selected.
19. –Negative polarity indicator
20. DC measurement is selected.
21. Low battery indicator
22. O.L Overload indicator
17
18
19
20
21
9101112131415
22
16
1
3
6
7
5
2
4
8

7
CSJ-100
Using the Features
• Selector Switch
Turn switch to desired mode of operation:
(AC voltage)
(DC voltage)
(resistance)
(diode/continuity)
(AC current)
Return switch to OFF position when not in use.
• Hold/Toggle Button
Momentarily press to select diode or continuity mode.
Press momentarily to hold the present value on the display. will
appear on the display. Press again to return to normal mode.
• EF Button
Press and hold to detect the electric field that surrounds current-
carrying conductors. Refer to the “Typical Measurements” section.
• Auto Power Off
The unit automatically shuts off after approximately 15 minutes of
inactivity.

8
Operation
1. Set the selector switch according to the Settings Table.
2. Refer to “Typical Measurements” for specific measurement
instructions.
3. Test the unit on a known functioning circuit or component.
• If the unit does not function as expected on a known functioning
circuit, replace the battery.
• If the unit still does not function as expected, send the unit to
Greenlee for repair. Refer to the instructions under the Warranty.
4. Take the reading from the circuit or component to be tested.
Settings Table
*AC current measurements are made using the jaw. Refer to “Typical
Measurements” for specific measurement instructions.
To measure
this value …
Connect
red
lead
to …
Connect
black
lead
to …
Momentarily press
the Hold/Toggle
Button until this
icon appears
on the display …
Set the
Selector
Switch
to this
symbol …
Diode V-Ω COM
Continuity V-Ω COM
To measure
this value …
Connect
red
lead
to …
Connect
black
lead
to …
This icon appears
on the display …
Set the
Selector
Switch
to this
symbol …
DC Voltage V-Ω COM
AC Voltage V-Ω COM
Resistance V-Ω COM
AC Current* N/A N/A
Electric shock hazard:
Contact with live circuits could result in severe
injury or death.

9
CSJ-100
Typical Measurements
Voltage
Measurement
Resistance
Measurement

10
Typical Measurements
AC Current
Measurement
Clamp Around Wire
Notes:
•Place the jaw around
one conductor only.
•Center the wire in the
jaw for highest
accuracy.
Diode Measurement
Forward Bias
Reverse Bias