Extech Instruments MultiView Series Manuale utente

User’s Guide

MultiView™ Series

Digital MultiMeters

Models:

MV110

MV120

MV130



Tech Support

Hotlines

781-890-7440 ext. 200

[email protected]

www.extech.com

WARRANTY

EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and workmanship for one year from date of

shipment (a six month limited warranty applies on sensors and cables). If it should become necessary to return the instrument for service during or

beyond the warranty period, contact the Customer Service Department at (781) 890-7440 ext. 210 for authorization. A Return Authorization (RA)

number must be issued before any product is returned to Extech. The sender is responsible for shipping charges, freight, insurance and proper

packaging to prevent damage in transit. This warranty does not apply to defects resulting from action of the user such as misuse, improper wiring,

operation outside of specification, improper maintenance or repair, or unauthorized modification. Extech specifically disclaims any implied warranties

or merchantability or fitness for a specific purpose and will not be liable for any direct, indirect, incidental or consequential damages. Extech's total

liability is limited to repair or replacement of the product. The warranty set forth above is inclusive and no other warranty, whether written or oral, is

expressed or implied.

REPAIR AND CALIBRATION SERVICES

Extech offers complete repair and calibration services for all of the products we

sell. For periodic calibration, NIST certification or repair of any Extech product, call

customer service for details on services available. Extech recommends that calibration

be performed on an annual basis to ensure calibration integrity.

including the right of reproduction in whole or in part in any form.

V1.2 04/02

Introduction

Congratulations on your purchase of Extech model MV-110, MV-120, or MV-130 digital multimeter. Properly used, this

meter will provide many years of reliable service. The meters contains a large 3-1/2 or 4-1/2 digit LCD with adjustable

viewing angle and provides such measurement functions as: DC and AC voltage, DC and AC current, resistance,

temperature, frequency, capacitance, hFe, battery, square wave output, diode, and continuity check depending upon the

model.

Safety

International Safety Symbols

WARNING: This indicates that a potentially hazardous condition which, if not avoided, could result in death or serious

injury.

CAUTION: This indicates that a potentially hazardous condition which, if not avoided, could result in injury or damage to

the meter.

Refer to the manual Hazardous voltages Double insulation

for further information may be present.

Safety Precautions

1. WARNING: Improper use of this meter can cause damage, shock, injury or death. Read and understand this users

manual before operating the meter.

2. Make sure any covers or battery doors are properly closed and secured.

3. Always remove the test leads before replacing the battery or fuses.

4. Inspect the condition of the test leads and the meter itself for any damage before operating the meter. Repair or

replace any damage before use.

5. Do not exceed the maximum rated input limits.

6. Use great care when making measurements if the voltages are greater than 25VAC rms or 35VDC. These

voltages are considered a shock hazard.

7. Always discharge capacitors and remove power from the device under test before performing Capacitance, Diode,

Resistance or Continuity tests.

8. Remove the battery from the meter if the meter is to be stored for long periods.

Specifications

General Specifications

Display 1999 count 3 1/2 digit, adjustable angle (MV-110, MV-120)

19999 count 4 1/2 digit, adjustable display (MV-130)

Sample Rate Approximately 2 - 3 per second

Input warning Alarm sounds with test leads in the A or 10A socket and the wrong function is selected.

Fuse Protection 2A (A socket), 0.2A (mA socket), 10A or 20A range not fused

Power Supply 9V battery (NEDA 1604 or equivalent)

Range selection Manual

Over-range Indication "1"

Auto Off Unit switches off after 15 minutes of inactivity

Low Battery Indication battery symbol

Operating Temperature /

Humidity

320F to 1040F (00C to 400C) / < 75% RH

Storage Temperature 140F to 1220F (-100C to 500C)

Dimension / Weight 7.3 x 3.5 x 1.3" (185x89x32mm) LxWxH / approx. 9.7 oz. (300 grams)

Electrical Specifications

Function

(model)

Range Accuracy

% Rdg. + digits

Resolution Input

Protection

Comments

200mV 0.1mV 250V rms

2, 20, 200V

±(0.5% + 1 digit)\

0.001,0.01,0.1V

DCV

(MV-110, MV-120)

1000V ±(0.8% + 2 digit) 1V

1000VDC

750VAC

200mV 0.01mV 250V rms

2, 20, 200V

±(0.05% + 3digits)

0.0001,0.001,0.01V

DCV

(MV-130)

1000V ±(0.1%+ 5 digits) 0.1V

1000VDC

750VAC

Input impedance > 10MΩ

200mV ±(1.2% + 3 digits) 0.1V

2, 20, 200V ±(0.8% + 3 digits) 0.001,0.01,0.1V

ACV

(MV-110, MV-120)

750V ±(1.2% + 3 digits) 1V

1000VDC

750VAC

2, 20, 200V ±(0.8% + 10 digits) 0.0001,0.001,0.01VACV

(MV-130) 750V ±(1.0% + 15 digits) 0.1V

1000VDC

750VAC

Input impedance > 1MΩ

Frequency range:

<200V: 40 to 400Hz, < 750V: 40 to 200Hz

20µA ±(2.0% + 5 digits) 0.01µA

200µA, 2, 20 mA ±(0.8% + 1 digits) 0.1µA, 0.001,0.01mA

200mA, 2A ±(1.2% + 1 digits) 0.1mA, 0.001A

2A,250V fuse

DCA

(MV-110)

10A ±(2.0% + 5 digits) 0.01A not fused

20, 200 mA ±(0.8% + 1 digits) 0.01, 0.1mA 0.2A,250V fuseDCA

(MV-120) 20A ±(2.0% + 5 digits) 0.01A not fused

15 sec. max @ 20A

Function Range Accuracy % rdg. + digits Resolution Input Protection Comments

2, 20, 200mA ±(0.8% + 10 digits) 0.0001,0.001,0.01mA 0.2A,250V fuseDCA

(MV-130) 10A ±(2.0% + 10 digits) 0.001A not fused

20µA ±(3.0% + 7 digits) 0.01µA

200µA ±(1.8% + 3 digits) 0.1µA

2, 20mA ±(1.0% + 3 digits) 0.001, 0.01mA

200mA, 2A ±(1.8% + 3 digits) 0.1mA, 0.001A

2A,250V fuse

ACA

(MV-110)

10A ±(3.0% + 7 digits) 0.01A not fused

20, 200 mA ±(1.0% + 3 digits) 0.01,0.1mA 0.2A,250V fuseACA

(MV-120) 20A ±(3.0% + 7 digits) 0.01A not fused

2, 20 200mA ±(1.0% + 10 digits) 0.0001,0.001,0.01mA 0.2A,250V fuseACA 6

(MV-130) 10A ±(2.0% + 10 digits) 0.001A not fused

Frequency: 40 to 400Hz

Maximum input:

10A (MV-110, MV-130), 20A (MV-120)

Average responding

15 sec. max @ 20A

200Ω±(0.8% + 3 digits) 0.1Ω

2, 20, 200kΩ, 2MΩ±(0.8% + 1 digits) 1, 10, 100Ω,1kΩ

20MΩ±(1.0% + 2 digits) 10kΩ

Resistance

(MV-110, MV-120)

200MΩ± (5.0% rdg +10d) +10 dig 100kΩ

200Ω±(0.2% + 5 digits) 0.01Ω

2, 20, 200kΩ, 2MΩ±(0.2% + 1 digits) 0.1, 1, 10, 100Ω

Resistance

(MV-130)

20MΩ±(0.5% + 5 digits) 1kΩ

250V

DC or ACrms

Open circuit voltage <0.7V

RH 200MΩrange: <75%

RH other ranges: <90%

On the 200MΩrange a 1.0MΩoffset exists.

Subtract 1.0MΩfrom all readings.

Function Range Accuracy % rdg + digits Resolution Input Protection Comments

Capacitance

(MV-120)

2,20,200nF

2,20µF

±(2.5% + 3 digits) 1,10,100pF

1nF, 10nF

Capacitance

(MV-130)

2,20,200nF

2,20µF

±(2.5% + 10 digits) 0.1,1,10,100pF

1nF

Test Freq: 400Hz

Test V: 40mV

-18 to 4000C

0 to7520F

±(0.75% + 4 digits)

Temperature

(MV-120)

-40 to 10000C

-40 to 18320F

±(1.6% + 15 digits)

1oC/F Type K Thermocouple

Frequency

(MV-130)

20kHz ±(1.5% + 10 digits) 1Hz 250VAC/VDC Sensitivity: 100mV

Diode test Forward DC current approx. 1mA, Reverse DC voltage approx. 3V

Transistor hFE 0 to 1000 Base current approx. 10uA, Vce approx 2.8V

Continuity Buzzer sounds when R < 30Ω

1.5V 30ΩInternal resistance

Battery check

(MV-110) 9.0V 1.8kΩInternal resistance

Square Wave

(MV-110)

Approx. 50Hz, 4-6V

Note: Accuracy is specified for a period of one year after calibration and at 18 oC to 28 oC (64 oF to 82 oF) RH: 75% max.

Description (MV120 pictured)

1. Display release button

2. AC/DC selection on models MV110, MV120

3. Hold Button on model MV130.

4. Power ON/OFF button

5. LCD display

6. Transistor socket

7. Function rotary switch

8. Capacitance socket (MV120, MV130)

9. V/F/Ohms socket

10. COM socket

11. Low Amperage socket

12. 10/20 Amp socket

13. Type K thermocouple input socket (MV120 only).

Operation

General Procedures

1. Apply power via ON/OFF switch. If the low battery symbol appears, replace the battery.

2. Set the function switch to the correct position before taking measurements.

3. Press the Display Release Button and set the display to a convenient viewing angle.

AC/DC Voltage Measurements (DO NOT EXCEED MAX INPUT LIMIT OF 1000VDC)

1. Connect the black test lead to the meter's COM socket and the red lead to the meter's "VΩF" socket.

2. Set the rotary switch to a "V" position range higher than the expected voltage.

3. Press the "DC / AC" button to select AC or DC measurement (for models MV-110 and MV-120 only).

4. Connect the test leads to the unit under test (load, circuit, etc.)

5. The value of the measured voltage will appear in the LCD display.

Resistance Measurement

1. Connect the black test lead to the COM socket and the red lead to the V/Ωsocket.

2. Set the rotary switch to the "Ω" range required.

3. Connect the test leads to the unit under test.

4. The value of the measured resistance will appear in the LCD display.

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