FIREDRAGON Victor 88E Manuale utente

User’s Manual for Victor 88E Digital Multimeter

Distributed by www.FiredragonEnt.com

OVERVIEW

The Victor 88E digital multimeter is a battery-driven 3-3/4”digital multimeter. It uses an LCD with a 1" display

for easy reading. The 15 second backlight and overload protection make all types of operation more convenient.

The digital multimeter has the function of measuring DCV,ACV, DCA,ACA, resistance, capacitance, frequency,

temperature, duty cycle and diode and a continuity performance test .The meter can provide functions including

analog bar and unit symbol display, data holding (HOLD), relative value measuring (REL), maximal/minimal

value measuring (MAX/MIN), auto/manual range switching (RANGE), auto power off and warning functions. It

adopts double integralA/D converter as its core. It is an ideal tool for labs, factories, radio-technology and HVAC

field use.

SAFETY NOTES:

The instrument is designed according to IEC1010 standard (safety standard issued by International Electro

Technical Committee). Please read the following before operation.

1. Voltage less than 36V is a control and safety voltage. When measuring voltage higher than DC 36V, AC

25V, check the connection and insulation of test leads to avoid electric shock.

2. Do not input a limited voltage higher than DC 1000V or AC 750V when measuring.

3. When measuring voltage higher than DC 60V, AC 40V, please be careful.

4. Select correct function and range to avoid fault operation.

5. Move the test leads away from test points when switching the function.

6. Never input voltage when measuring current.

7. Never modify the meter‟s internal circuits.

8. Introduction for safety symbol:

= high voltage present; = GND; = dual insulation; = refer to manual; = Low battery

SPECIFICATION

1. General features

1-1. Display: LCD;

1-2. Max display: 3999 (3-3/4") digits automatic polarity and unit symbol display;

1-3. Measurement method: double integral A/D conversion;

1-4. Sampling rate: approximately 3 times/sec.

1-5. Over-range display: „OL‟displayed in the highest digit.

1-6. Low battery display

1-7. Working environment: (0-40), relative humidity: less than 80%;

1-8. Power supply 2 pieces 1.5V battery „AAA‟ 7# battery

1-9. Dimension: 7.4" x 3.8" x 1.3" (length x width x height);

1-10. Weight: approximately 14 ounces (including battery)

1-11. The Victor 88E Standard Package comes complete with U36 Deluxe Test leads, #C1 Clip Set, TP3

Temperature Probe, Duracell®batteries and P25 hard case.

1-12. The Victor 88E-C comes with Standard Package, L36 Test Leads, FSG1 Flame Safeguard Adapter,

GA1 and GA2 Gas Burner Thermocouple Adapters, PT1 Probe Pins and one pair of J1 Jumpers.

1-13. 1-12. The Victor 88E-C/A comes with 88E-C Package and 88CP9 AmpKlamp. (see Appendix A).

TECHNICAL FEATURES

2-1. Accuracy: ± (a% × reading data + digits), environment temperature at (23°C±5), relative humidity less

than 75%,

2-2. DC Voltage DCV

Range

Accuracy

Resolution

400mV

±(1.5%+6)

0.1mV

±(0.5%+6)

1mV

40V

10mV

400V

100mV

1000V

±(1.0%+4)

Input impedance 400mV Range 10MΩ, other range is 40MΩ.

Overload protection 1000V DC or 750VAC.

2-3. AC Voltage ACV

Range

Accuracy

Resolution

400mV

±(1.5%+6)

0.1mV

±(0.8%+6)

1mV

40V

10mV

400V

100mV

750V

±(1.0%+6)

Input impedance 400mV Range 10MΩ, other range is 40MΩ.

Overload protection 1000V DC or 750VAC.

Frequency response: mV and 750V range: 40 to 100Hz, other range: 40 to 400 Hz. Display: Sine wave RMS

(Average value response).

2-4. DC Current DCA

Range

Accuracy

Resolution

400uA

±(1.0%+5)

0.1μA

4000uA

1μA

40mA

10μA

400mA

100μA

20A

±(1.2%+10)

10mA

MAX measurement voltage drop: full range mA: 1.2VA:100mV Max input current: 20A (within 15 seconds)

Overload protection: 400mA/ 250V and 20A/250V fast acting fuse.

2-5. AC Current ACA

Range

Accuracy

Resolution

400uA

±(1.5%+5)

0.1μA

4000uA

1μA

40mA

10μA

400mA

100μA

20A

±(2.0%+15d)

10mA

MAX measurement voltage drop: full range mA: 1.2V A: 100mV Max input current: 20A (within 15 seconds)

Overload protection: 400mA/ 250V and 20A/250V fast acting fuse.

Frequency response 20A range: 40 100Hz,other range: 40 to 400Hz

2-6. Resistance Ω

Range

Accuracy

Resolution

400Ω

±(0.8%+5d)

0.1Ω

4kΩ

±(0.8%+4d)

1Ω

40kΩ

10Ω

400kΩ

100Ω

4MΩ

1kΩ

40MΩ

±(1.2%+5d)

10kΩ

Open circuit voltage: 400mV Overload protection: 250V DC or AC peak value;

NOTE: At a range of less than 400 Ω, short-circuit the test leads to measure the wire resistance, and then

subtract it from the real measurement.

2-7. Capacitance C

Range

Accuracy

Resolution

40nF

±(2.5%+6d)

1pF

10pF

400nF

±(3.5%+8d)

100pF

4μF

1nF

40μF

10nF

400μF

±(5.0%+8d)

100nF

Overload protection: 250V DC or AC peak value;

2-8. Frequency F

Range

Accuracy

Resolution

100Hz

±(0.5%+4d)

0.1Hz

1000Hz

1Hz

10kHz

10Hz

100kHz

100Hz

1MHz

1kHz

30MHz

10kHz

Input sensitivity: 1.0V. Overload protection: 250V DC or AC peak value;

2-9. Diode and continuity performance test

Range

Value displayed

Testing condition

Forward voltage drop of diode

Forward DCA is approx. 0.5mA, the backward

voltage is approx 1.5V

Buzzer makes a long sound while resistance is

less than (30±20)Ω

Open circuit voltage is approx. 0.5V

Over load protection: 250V DC or AC peak value;

CAUTION: DO NOT INPUT VOLTAGE IN THIS RANGE!

2-10. Temperature

Range

Accuracy

Resolution

-40°C-1000°C

-0°C ±(1.0%+4)

0°C - 400°C ±(1.0%+4)

+400C ±(1.5%+15)

1°C

0°F-1832°F

-750°F ±(0.8%+5)

+750°F ±(1.5%+15)

1°F

Sensor: TP01 (K type thermocouple)

CAUTION: DO NOT INPUT VOLTAGE IN THIS RANGE!

OPERATION

4-1. Panel description

1. LCD: display the measuring value and unit.

2. Function key:

2-1. SELECT key: DC /AC mode, temperature C/F, Diode / Continuity performance switch.

2-2. RANGE key: select auto range or manual range mode. Auto range is the normal mode, it will display

AUTO symbol. Press it to change to manual range. Press it more than 2 seconds, it will return to auto range

mode.

2-3. HOLD key: press it, the presently measured value is held on LCD and HOLD symbol displays. Press it

again, HOLD symbol disappears, and the meter is exited the holding mode.

2-4. REL key: press it, reading clears and goes to relative value measurement mode. REL symbol displays,

press it again, REL symbol disappears, and the meter exits the relative mode.

2-5. MAX/MIN key: press it, meter goes to MAX mode, it

will hold the max value of measured reading. Press it again,

goes to MIN mode, it will hold the minimum value of

measurement. No auto power off and analog bar display in this

mode. Press it more than 2 seconds, it exits MAX/MIN mode.

2-6. Hz/DUTY key: When measuring AC Voltage (Current),

press it, meter switches to Frequency/duty cycle/Voltage

(Current). When measuring the Frequency, it will switch

frequency/duty cycle 1~99%.

3. Selector Knob: Selects measuring function and range

4. Temperature (positive) and VΩHz terminal

5. Voltage, resistance, frequency, capacitor and temperature

terminal

6. COM terminal

7. Less than 400mA current testing terminal and temperature

(negative) terminal

8. 20A current terminal

4-2. DCV measurement

1. Insert the black test lead to “COM” terminal and the red one

to “V/Ω/Hz” terminal.

2. Turn the selector knob to range;

3. Auto range is the normal mode, it will displayAUTO symbol. Press the RANGE key to change to the

manual range mode, 400mV, 4V, 40V, 400V, 1000V range is selective;

4. Connect the leads in parallel across the electric circuit under test; LCD displays polarity and voltage under

test connected by the red test lead.

Note

1. Users should first set the select knob to the highest range, if users have no idea about the range of voltage

under test, and then select the proper range based on the displaying value. If LCD displays OL, it means

meter is over the maximum value of this range, select a higher range.

2. Never input a voltage over DC 1000V.

3. Be careful while measuring a high voltage. DO NOT touch the high voltage circuit.

4-3. ACV measurement

1. .Insert the black test lead into the COM terminal and the red one to the V/Ω/Hz terminal.

2. Turn the selector knob to range.

3. Auto range is the original mode, it will display AUTO symbol. Press the RANGE key to change to the

manual range mode, 400mV, 4V, 40V, 400V, 750V range is selective.

Note: When measuring ACV under auto range mode, pressing the RANGE key will displayAC mV range.

4. Connect the leads in parallel across the electric circuit under test, LCD displays voltage by the test lead.

Note:

1. Users should first set the selector knob to the highest range, if users have no idea about the range of

voltage under test, and then select the proper range based on displaying value. If LCD displays OL, it means

meter is over the maximum value of this range, select a higher range.

2.Never input a voltage over AC 750V.

3. Be carefully while measuring a high voltage. DO NOT touch the high voltage circuit.

4-4. DCA measurement

1. Insert the black test lead into the COM terminal and the red one into the mA terminal (the Max. 400mA)

or into the 20A terminal (the Max.20A). When measuring μA DC use the FSG1 adapter between the meter

leads and the control.

2. Use the selector knob and set to the proper DCA range, press the DC/AC key to select the measurement

mode, and then connect the leads in series into the electric circuit under test. LCD displays current under

test.

Note:

1. Users should first set the selector knob to the highest range, if users have no idea about the range of

current under test, and then select the proper range based on displaying value.

2. If the LCD displays OL, it means the current is over range. Now you need to select the knob to the higher

range.

3. Maximum input current is 400mA or 20A subject to the terminal the red test lead is inserted into, too

large a current will damage the fuse and meter.

4-5. ACA measurement

1. Insert the black test lead into the COM terminal and the red one into the mA terminal (maximum 400mA)

or to the 20A terminal (maximum 20A)

2. Use the selector knob to set the proper ACA range, press the DC/AC key to select the measurement mode,

and then connect the leads in series to the electric circuit under test. LCD displays current under test.

Note:

1. Users should first set the selector knob to the highest range, if users have no idea about the range of

current under test, and then select the proper range based on displaying value.

2. If the LCD displays OL, it means the current is over range. Now you need to select the knob to the higher

range.

3. Maximum input current is 400mA or 20A subject to the terminal the red test lead is inserted into, too large

a current will damage the fuse and meter.

4-6. Resistance measurement

1. Insert the black lest lead into the COM terminal and the red lead into the V/Ω/Hz terminal.

2. Turn the selector knob to Ω range.

3. Connect the leads in parallel with the resistance being measured.

3. Auto range is the original mode; press the RANGE key change to the manual range mode.

4. When measuring the actual minimum resistance, short-circuit the test leads first, press the REL button and

then test the resistance, it will now display the actual resistance.

Note:

1. The LCD displays OL when the resistance is over the selected range. When measuring a value over 1MΩ,

the reading will take a few seconds to become stable. This is normal for high resistance measuring.

2. When the input lead is in an open circuit, overload displays OL.

3. When measuring in line resistors, be sure that the power is off and all capacitors are completely

discharged.

4. Never input any voltage while the meter is set for resistance range!

4-7. Capacitance measurement

1. Discharge any capacitor to be tested by shorting the terminals of the capacitor with an insulated device.

2. Turn the selector knob to “ ”range.

3. Insert the black lest lead into the COM terminal and the red lead into the V/Ω/Hz terminal.

4. If the LCD doesn‟t display 0, press the REL button to clear the reading;

5. Place the test leads in parallel with the capacitor being tested. The red test lead is for the positive pole.

LCD displays capacitance value.

Note:

1. Never input voltage or current to the VΩHz terminal when measuring capacitance.

2. In order to assure an accurate reading, press the REL button to clear the reading before testing.

3. There is only the auto range mode for testing capacitors.

4. The capacitance must be complete discharged before testing to protect the meter.

5. A reading over the 400uF range will delay 15 seconds.

4-8. Frequency measurement

1. Insert the black lest lead into the COM terminal and the red one into the V/Ω/Hz terminal.

2. Turn the selector knob to the Hz range.

3. Place the test leads to the signal source or the load which is to be tested.

4. Press the Hz/DUTY key to switch frequency/duty cycle; it will display the frequency or duty cycle of the

signal source which is tested.

Note:

1. There is only the auto range mode under the frequency mode.

2. The meter can still work if the input is higher than 10Vrms, but the accuracy is not guaranteed.

3. In noise environment, you should use shielded cable to measure a low signal.

4. When measuring high voltage circuits, no part of your body should touch the high voltage circuit.

5. Never input a voltage higher than 250V DC or AC peak value, or it may damage the meter.

4-9. Diode performance test:

1. Insert the black test lead into the COM terminal and the red one into the V/Ω/Hz terminal (the polarity of

the red lead is “+”).

2. Turn the selector knob to range, press the SELECT key to select the measurement mode. Connect

the test leads to the diode being tested, the red test lead connects to the diode positive polarity, the black test

lead to the diode cathode polarity, the reading is the approx. value of the diode forward volt drop.

3. With the red test connected to the diode cathode polarity and the black test lead to the diode positive

polarity, the LCD will display OL.

4. This will complete diode testing including forward and backward measurement, if the desired result isn‟t

met by performing the above tests; it means the diode is bad.

4-10. Continuity performance test:

1. Insert the black test lead into the COM terminal and the red one into the V/Ω/Hz terminal.

2. Turn the selector knob to range, press the SELECT key to select the Continuity measurement mode.

3. Insert the test leads onto two points of the tested circuit, if the inner buzzer sounds, the resistance is less

than 50Ω.

Note: Never input voltage at “ ” range.

4-11. Temperature measurement

1. Turn the selector knob to the °C/°F range.

2. Using the TP3 temperature probe insert the cathode (black pin) of the cold end (free end) of the probe into

the mA terminal jack and the anode (red pin) into the VΩHz terminal. Put the working end (temperature

measurement end) of he thermocouple on the surface or inside the object to be tested. Read the temperature

from the screen, and the data is in Centigrade.

3. Press the SELECT key to select Fahrenheit, the data is in degrees Fahrenheit.

Note:

1. When the input terminal is in ambient air, it will display the temperature.

2. Only use the TP01 probe or the value accuracy isn‟t guaranteed.

3. Never input voltage at temperature range.

4-12. Flame measurement

Testing of flame signals will either be in DC microamps (DCμA) or DC Volts depending on the

manufacturer of the control device.

For DC microamps (DCμA) refer to Section 4-4.

For DC volts refer to Section 4-2.

4-13.Data holding

1. The presently measured value is held on the LCD and the HOLD symbol displays. Press the HOLD

button again, the HOLD function is cancelled.

4-14. Auto power off

1. When the meter has not been used for about 15 minutes, the built-in buzzer will sound 5 times and the

meter goes into sleeping mode, 1 minute later, the buzzer sounds a long tone 1 time and the meter powers

off. Press any key to restart the power.

4-15. Meter maintenance

The 88E is a high accuracy precision instrument; please do not attempt to modify any of the internal circuits.

1. Keep the meter away from water, dust and shock.

2. Do not store and operate the meter under extremes of high temperature, high humidity, combustibles,

explosives and strong magnetic areas.

3. Wipe the case with a damp cloth and a mild detergent; do not use abrasives and alcohol.

4. If do not operate the meter for a long time, you should take out the battery to avoid leakage and corrosion.

5. When the symbol displays, you should replace the battery following the steps:

5-1. Unlock the button and remove the battery case;

5-2. Take out the old battery and replace with new ones. Alkaline batteries are better and have a longer

service life.

5-3. Fit on the battery case and lock the button;

6. Fuse change: When replacing the fuse, use a fuse of the same type and specification.

Note:

1. Never input a voltage value higher than DC 1000V orAC 750V

2. Never measure a voltage with the meter selector knob in the current, resistance, temperature, capacitance

or diode and continuity range.

3. Never use the meter without a battery installed and the back case closed securely.

4. When replacing the fuse, remove the test leads from the measuring terminals and power off the meter first.

4-16. Troubleshooting

If the meter does not work properly, check the meter as following:

Fault

Solution

No reading on LCD

Turn on the power

Set the HOLD key to a correct mode

Replace battery

signal appears

Replace battery

No current or temperature input

Replace fuse

Big Error Value

Replace battery

These specifications are subject to change without notice.

We hereby will not be responsible for any accident and damage caused by improper operation .The

functions stated in this User Manual cannot be exceeded by special usage.

MB-088E-FD.08/10

APPENDIX A

OPERATING INSTRUCTIONS FOR 88CP9 AMP KLAMP

Thank you for purchasing the 88CP9, a smaller sized, convenient to use AC Current Clamp-On Adapter for the Victor 88E

Multimeter. The 88CP9 is a 200Amp AC Clamp-on Adapter using the voltage output of the adapter and the standard meter

inputs of a multimeter. It can also be used with power harmonics, oscilloscopes, or other voltage measurement devices.

Using theAmp Klamp Safely

Warning

To prevent electric shock, fire and personal injury, carefully read all safety information before attempting to operate the

current Clamp and follow these procedures.

Do not use the clamp on circuits rated higher than 600V in Installation Category II. Use caution when

clamping around un-insulated conductors or bus bars.

Do not use a Klamp that is cracked, damaged, or has a defective cable. Such Klamps should be made

inoperative by taping the Klamp shut to prevent operation and disposed of.

Check the magnetic mating surfaces of the Klamp jaws; these should be free of dust, dirt, rust, and other

foreign matter.

Keep your fingers off the Klamp jaws.

Keep your fingers behind the safety barrier as shown in Figure 1.

General Specifications:

Output Impedance <1kΩ

AC Bandwidth 40 to 400Hz

Jaw opening ½ inch or 16 mm

Operating conditions 32ºF to 86ºF (0ºC to 30ºC) 90%RH; 86ºF to 104ºF (30ºC to 40ºC) 75% RH; 104ºF to 122ºF (40ºC

to 50ºC) 45% RH

Storage conditions -22ºF to 140ºF (-30ºC to 60ºC); <90% Relative Humidity

Altitude Operate at less than 9800 feet or 3000 meters

Weight 4.5 ounces

Dimensions 4.25” x 1.9" x 1.25” (H x W x D)

Standards lEC1010-1 (1995); EN61010-1 (1995) Category ll 600V, Category lll 300V.

Range Specifications

Function

Range

Output

Sensitivity

Accuracy (of

reading)

AC Current

(50/60Hz)

0 to 200A

1mV/A

1A/mVAC

±2.0%±0.5A

Using theAmp Klamp

To use the Amp Klamp, follow these instructions:

1. Connect the test leads of the Klamp probe to the terminals of the 88E Multimeter.

Insert the black test lead to “COM” terminal and the red test lead to “V/Ω/Hz” terminal.

2. Turn the selector knob on the 88E multimeter to the mV (millivolt) range.

3. Hit to select AC push SELECT button on 88E.

4. Position the Klamp jaw perpendicular to and centered around the conductor to be measured.

5. Read the measured value from the 88E LCD display.

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