Greenlee CM-400 Manuale utente

COM V-

Ω

600V

RANGE

HOLD

AUTO OFF

OFF

Ω

V•V

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 estas

herramientas o darles 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.

INSTRUCTION MANUAL

MANUAL DE INSTRUCCIONES

MANUEL D’INSTRUCTIONS

CM-400

2-in-1 PEN-TYPE

MULTIMETER

MULTÍMETRO

2 en 1 CON ESTILETE

MULTIMETRE

DE TYPE STYLO 2 en 1

Description

The Greenlee CM-400 2-in-1 Pen-type Multimeter is intended to measure AC current,

resistance, AC/DC voltage, and to check diodes and verify continuity. The 3-3/4 digit LCD

display has a maximum reading of 3200, while the graph display has 65 segments.

The CM-400 jaw unit takes a current input and produces a voltage output. The ratio is 100:1.

Every amp of input will produce 10 millivolts of output.

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

This instruction manual is intended to familiarize all personnel with the safe operation and

maintenance procedures for the Greenlee CM-400 2-in-1 Pen-type Multimeter.

Keep this manual available to all personnel.

Replacement manuals are available upon request at no charge.

and are registered trademarks of Greenlee Textron.

KEEP THIS MANUAL

CM-400

Important Safety Information

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.

Read and understand this material before operating or servicing

this equipment. Failure to understand how to safely operate this

tool can result in an accident causing serious injury or death.

Important Safety Information

Electric shock hazard:

Contact with live circuits can result in severe injury or death.

Electric shock hazard:

• Do not use the unit if it is wet or damaged.

• Use test leads or accessories that are appropriate for the application. See the

category and voltage rating of the test lead or accessory.

• Inspect the test leads or accessory before use. The item(s) must be clean and dry,

and the insulation must be in good condition.

Failure to observe these warnings can result in severe injury or death.

Electric shock hazard:

• Do not apply more than the rated voltage between any two input terminals, or

between any input terminal and earth ground.

• Do not contact the test lead tips or any uninsulated portion of the accessory.

Failure to observe these warnings can result in severe injury or death.

• Do not operate with the case open.

• Before opening the case, remove the test leads or jaw from the circuit and shut off

the unit.

Failure to observe these warnings can result in severe injury or death.

CM-400

Do not change the measurement function while the test leads are connected to a

component or circuit.

Failure to observe this precaution can result in injury and can damage the instrument.

• Do not attempt to repair this unit. It contains no user-serviceable parts.

• Do not expose unit to extremes in temperature or high humidity. See Specifications.

Failure to observe these precautions can result in injury and can damage the instrument.

Unless measuring voltage or current, shut off and lock out power. Make sure that all

capacitors are discharged. Voltage must not be present.

Set the selector and connect the test leads so that they correspond to the intended

measurement. Incorrect settings or connections can result in a blown fuse.

Using this unit near equipment that generates electromagnetic interference can result

in unstable or inaccurate readings.

Identification

1. Input Terminal (VΩ)

2. Input Terminal (COM)

3. Display

4. Lever

5. Jaw

6. Selector

7. Hold Button

8. Function Button

9. Range Button

COM V-

Ω

600V

RANGE

HOLD

AUTO OFF

OFF

Ω

•

CM-400

Display Icons

10. Low Battery

11. M Mega (106)

12. K Kilo (103)

13. ΩOhms

14. m Milli (10-3)

15. V Volts

16. Diode

17. Continuity

18. OL or -OL Overload (Numeric Display) - Not Shown

19. Overload (Graph Display)

20. Graph Element

21. – Negative (Polarity for Numeric Display)

22. – Negative (Polarity for Graph Display)

23. DC DC measurement is selected

24. AC AC measurement is selected

25. Automatic Ranging is enabled

26. Hold Function is enabled

Symbols on the Unit

Read the instruction manual.

Double Insulation

Using the Features

RANGE

Press to enable manual ranging. The icon will appear on the display.

Press the

RANGE

button repeatedly to select the proper measurement range.

Press and hold to return to the autoranging mode. The icon will

disappear from the display.

HOLD

Press momentarily to hold the present value on the display. The icon will

appear. Press again to return to normal mode.

26 23 24 16 17 25

182022

11,12,13

14,15

ΩMK

RANGE

Operation

1. Set the selector and connect the leads according to the Settings Table. If using the manual

ranging mode, start with the highest measurement range.

Settings Table

Electric shock hazard:

Contact with live circuits can result in severe injury or death.

* Tone indicates a circuit resistance of 20Ωor less.

** The jaw unit takes an AC current input and produces an AC voltage output. The ratio is

100:1. Every amp of input will produce 10 millivolts of output.

2. See Typical Measurements for illustrations of typical uses.

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.

4. Take the reading from the circuit to be tested. If using the manual ranging mode and the

resolution is not satisfactory, remove the meter from the circuit and change to the next

lower range.

To measure set the and press the connect the and the

this value … selector to function button red lead black lead

this symbol … until this icon to … to …

appears …

Continuity* ΩVΩCOM

Current (AC)** V .V AC N/A N/A

Diode ΩVΩCOM

Resistance ΩΩVΩCOM

Voltage (AC) V .V AC VΩCOM

Voltage (DC) V .V DC VΩCOM

CM-400

Typical Measurements

Clamp Around Line Splitter

Current Measurement

Clamp Around Wire

Notes:

• Clamp the jaw

around one

conductor only.

• Close the jaw

completely.

• Center the wire

in the jaw for

highest

accuracy.

Notes:

• The Greenlee 93-30

Line Splitter is divided.

One section renders

amps; the other renders

amps multiplied by 10.

• Close the jaw

completely.

• Center the line splitter

in the jaw for highest

accuracy.

RANGE

HOLD

AUTO OFF

OFF

Ω

•

RANGE

HOLD

AUTO OFF

OFF

Ω

•

COM V-

Ω

600V

RANGE

HOLD

AUTO OFF

OFF

Ω

V•V

Voltage Measurement

Typical Measurements (cont’d)

Resistance Measurement

Continuity Check

COM V-

Ω

600V

RANGE

HOLD

AUTO OFF

OFF

Ω

V•V

COM V-

Ω

600V

RANGE

HOLD

AUTO OFF

OFF

Ω

V•V

Indice

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