Greenlee 93-105 Manual de usuario

INSTRUCTION MANUAL

DIGITAL/ANALOG

TRUE RMS MULTIMETER

93-105/00408

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.

AUTO

mVA

°CNµF

MkΩHz

MEM

REL MAX MIN

GREENLEE



Digital Multimeter

Cat./UPC No. 93-105/00408

Español; p. 25

Français; p. 49

A person who has not read and does not

understand all operating instructions is not

qualified to operate this tool.

Failure to read and understand safety instructions

can result in injury or death.

The symbol above is used to call your attention to instructions concern-

ing your personal safety. Watch for this symbol. It points out important

safety precautions. It means “ATTENTION! Become alert! Your personal

safety is involved!” Read the message that follows and be alert to the

possibility of personal injury or death.

Immediate hazards which, if not avoided, WILL result in severe personal

injury or death.

Hazards or unsafe practices which, if not avoided, COULD result in severe

personal injury or death.

Hazards or unsafe practices which, if not avoided, COULD result in minor

personal injury or property damage.

SAFETY

ALERT

SYMBOL

93-105 / 00408

SAFETY INFORMATION

• Electric shock hazard. Contact with live circuits

can result in severe injury or death.

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

Electric shock can result.

• Do not apply more than 1000 VDC or 750 VAC

between any terminal and earth ground. Electric

shock can result.

• Do not attempt to measure more than 1000 VDC

or 750 VAC. Electric shock can result.

• Do not attempt to measure more than 10 amps.

Electric shock can result.

• Do not open the case while the test leads are

connected to the circuit or while the meter is

ON. Electric shock or damage to the meter can

result.

Failure to observe these warnings can result in

severe injury or death.

• Do not connect the meter to a source of voltage or current when the

selector switch is in the position or the

position. Damage to the meter can result.

• Do not change the position of the selector switch when the test

leads are connected to a component or circuit. Damage to the meter

can result.

• Do not expose meter to extremes in temperature or high humidity.

Damage to the meter can result. See Specifications section of this

manual.

• Do not attempt to repair this test instrument. It contains no user-

serviceable parts.

Failure to observe these precautions can result in injury and can

damage the instrument.

IMPORTANT

• Using this meter near equipment that generates electro-magnetic

interference can result in unstable or inaccurate readings.

• Use only properly rated fuses when replacement is necessary.

• Replace weak or discharged batteries as soon as either of these

conditions is detected.

Description

The Greenlee 93-105 True RMS Multimeter is intended to measure current, resistance,

voltage, capacitance, and frequency, and to check diodes and continuity. The AC-coupled true

RMS responding function guarantees greater measurement accuracy than meters that use

AC-averaging RMS Responding. The large, easy-to-read 3-3/4 digital display is supplemented

by a 42-segment bar graph and function icons for optimum clarity. Automatic and manual

ranging options, minimum/maximum input recording mode, and store/recall functions provide

maximum measuring capability.

Purpose

This instruction manual is intended to familiarize operators with the safe operation of the

Greenlee 93-105 True RMS Multimeter. This manual should be kept available to all operating

personnel.

93-105 / 00408

FEATURES

Digital Display: 3-3/4 digit LCD display (maximum reading is 3999) and 42-segment analog

bar graph

Selector Switch: Measurement and range selector

1. AInput Terminal: For current measurements (400 mA. - 10 amps)

2. mA Input Terminal: For current measurements (400 mA. maximum)

3. COM Input Terminal: Negative, ground, or common terminal for all measurements

4. VΩInput Terminal: For any measurements except current

5. Function (unlabeled blue button): Select: AC or DC current, ohms or continuity, diode or

capacitance, frequency or adapter

6. MIN MAX: Monitors the input over a period of time; holds the minimum or maximum

value on the display

7. REL ∆(Relative Mode): Uses the present value as a reference to compare against a new

value

8. HOLD : Holds the present value on the display

9. PWR RST (Power Reset): Restores power after Auto Power Off

10. RANGE: Selects autoranging or manual ranging

11. STORE: Stores the present value in memory

12. RECALL: Restores the value in memory to the display

Fig. 1

Digital Display

Selector Switch

AUTO

mVA

°CNµF

MkΩHz

MEM

REL MAX MIN

GREENLEE

Digital Multimeter

Cat./UPC No. 93-105/00000

5678

9101112

1234

Using the Features

Basic Features

•Range: Press RANGE once to change to manual ranging; the AUTO icon will disappear.

In the manual ranging mode, press RANGE to select the appropriate range for the measure-

ment you want to make. Press and hold RANGE for two seconds to return to the autoranging

mode. The AUTO icon will appear.

•Store: Press STORE and the MEM icon will appear. The value on the display will be stored in

the memory. If the meter shuts off automatically, press PWR RST (Power Reset) to restore

power without clearing the memory.

The memory will be cleared when the meter is turned OFF.

•Recall: Use this function after using Store. Press RECALL to restore the value in memory.

The icon will appear and the MEM icon will appear and blink. The data stored in memory

will appear. The automatic POWER-OFF feature is disabled.

Press HOLD to exit the Recall mode.

•Hold: Press HOLD and the icon will appear. The beeper will emit a tone and the

display will be held constant until HOLD is pressed again.

AUTO

mVA

°CNµF

MkΩHz

MEM

REL MAX MIN

93-105 / 00408

Advanced Features

Relative Mode (REL ∆)

1. Measure a value according to the operating instructions.

2. Press REL ∆. The REL icon will appear. The present value will be used as a reference value

and the display will change to all zeros.

3. Measure a new value. The display will show the difference between the stored reference

value and the present value.

4. Press REL ∆for two seconds to exit Relative Mode.

When measuring resistance, use the relative mode to use the resistance of the leads as a

reference value. This is the same as “zeroing” an analog meter. Then use the meter

according to the instructions to find the actual resistance value of a resistor or circuit.

MIN MAX

1. Measure a value in autoranging mode according to the operating instructions.

2. Press MIN MAX once and the and MIN icons will appear; press MIN MAX again and

the MAX will appear (MIN will disappear). The meter will begin to record the input.

3. (Optional) Press HOLD to stop recording; the display will be held constant. Press

HOLD again to resume recording; the display will become active again and the

minimum or maximum value will be updated.

4. Press MIN MAX to exit the MIN MAX mode.

Note: The Auto Power Off feature will shut the meter off after approximately 30 minutes.

Using MIN MAX and Hold: While using the Hold feature, press MIN MAX to go directly into

MIN MAX recording mode.

Electric shock hazard.

Contact with live circuits can result in severe injury

or death.

Do not attempt to measure more than 1000 VDC or 750 VAC. Electric

shock can result.

Operation

Turn the unit on and allow at least 30 seconds for warm-up.

Self-Test

Before using the meter, test it on a functioning circuit or component. If the test instrument

fails to perform as expected, refer to the following list until the problem is solved:

1. Test leads are not fully plugged into terminal inputs.

2. The test lead tips or connectors are corroded.

3. The battery is discharged and should be replaced.

4. A test lead is damaged.

5. The test instrument needs service.

Voltage Measurement

1. Plug the black test lead into the COM terminal. Plug the red test lead into the V Ω

terminal.

2. Set the selector switch to V(for AC) or V(for DC).

3. Connect the test leads to the circuit or component and read the display.

93-105 / 00408

Electric shock hazard.

Contact with live circuits can result in severe injury

or death.

Current Measurement

1. Shut off and lock out the power.

2. Open the branch of the circuit where the current is to be measured.

3. Plug the black test lead into the COM terminal.

4. Plug the red test lead into the Aterminal (for current measurements up to 10 A) or the mA

terminal (for current measurements up to 400 mA).

5. Set the selector switch to the appropriate setting. Press the function (blue) button to select

AC or DC current (the AC icon or the DC icon will appear).

6. Connect the test leads to the circuit.

7. Apply power to the circuit and read the display.

Notes:

• If the resolution of the reading is not satisfactory, shut off power to the circuit and

switch to the next lower range. Turn on the power to the circuit and read the display.

Repeat this procedure until the resolution is satisfactory.

• For readings of less than 400 mA, plug the red test lead into the

terminal.

8. Shut off power and disconnect the meter from the circuit.

Do not attempt to measure more than 10 amps. Electric shock can

result.

Do not change the position of the selector switch when the test leads are

connected to a component or circuit. Damage to the meter can result.

Resistance Measurement

Do not connect the meter to a source of voltage or current when the

selector switch is in the position. Damage to the meter can

result.

1. Shut off and lock out power. Make sure all capacitors are fully discharged. Voltage must

not be present.

2. Plug the black test lead into the COM terminal. Plug the red test lead into the V Ω

terminal.

3. Set the selector switch to .

4. Press the function (blue) button to select resistance; the Ωwill appear.

5. Connect the test lead tips together. Press REL ∆to “zero” the meter.

6. Connect the test leads to the component or circuit and read the display.

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