VOLTCRAFT 121416 Bedienungsanleitung

Table of Contents

Title Page

Overview

Unpacking Inspection

Safety Information

Rules For Safe Operation

International Electrical Symbols

The Meter Structure

LCD Indicators

Rotary Switch

Functional Buttons

Measurement Operation

A. AC/DC Voltage Measurement

B. AC/DC Current Measurement

C. Resistance Measurement

D. Diodes Measurement

E. Continuity Measurement

F. Capacitance Measurement

G. Frequency Measurement

H. Built-in Power Deficiency Charge

General Specifications

Accuracy Specifications

A. DC Voltage

B. AC Voltage

C. DC Current

D. AC Current

E. Resistance

F. Capacitance Test

G. Frequency Test

H. Diodes Test

I. Continuity Test

Fuse Replacement

Maintenance

Model UT90C: OPERATING MANUAL

Overview

This Operating Manual covers information on

safety and cautions. Please read the relevant

information carefully and observe all the

Warnings and Notes strictly.

Warning

To avoid electric shock or personal

injury, read the “Safety Information” and

“Rules for Safety Operation” carefully before

using the Meter.

The Model (hereafter referred to as “the

Meter”) is a 4000 counts environment protected

auto ranging electrical tester with and stabilize

functions, safety operations, and reliable

performance.

In addition to the conventional measuring

function, such as DC/AC voltage, resistance,

capacitance, frequency, diode, relative

measurement, Data Hold and continuity, it is

equipped with advanced design of charge

through 220V AC or 9-12V AC or DC or solar

energy. With such design and its recycled

package, the Meter can obtain energy without

battery, won’t result chemical pollution. This is

also a highly applied digital electrical tester of

good performance with big size full functions

symbols indication, full overload protection and

special appearance.

Unpacking Inspection

Open the package case and take out the Meter.

Model UT90C: OPERATING MANUAL

Check the following items carefully to see any

missing or damaged part:

tem Description

Operating Manual

piece

Test Lead

pair

certificate

piece

In the event you find any missing or damage,

please contact your dealer immediately.

Safety Information

This Meter complies with GB4793 standard for

safety electrical measuring and test equipment,

and IEC61010-1: in pollution degree 2,

overvoltage category (CAT II 1000V, CAT III

600V) and double insulation.

Use the Meter only as specified in this operating

manual, otherwise the protection provided by the

Meter may be impaired.

In this manual, a Warning identifies conditions

and actions that pose hazards to the user, or

may damage the Meter or the equipment under

test.

A Note identifies the information that user should

pay attention on.

International electrical symbols used on the

Meter and in this Operating Manual are

explained on page XXX.

Model UT90C: OPERATING MANUAL

Rules For Safe Operation

Warning

To avoid possible electric shock or personal

injury, and to avoid possible damage to the

Meter or to the equipment under test, adhere

to the following rules:

zBefore using the Meter inspect the

case. Do not use the Meter if it is

damaged or the case (or part of the

case) is removed. Look for cracks or

missing plastic. Pay attention to the

insulation around the connectors.

zInspect the test leads for damaged

insulation or exposed metal. Check the

test leads for continuity. Replace

damaged test leads with identical

model number or electrical

specifications before using the Meter.

zWhen using the test leads, keep your

fingers behind the finger guards.

zDo not apply more than the rated

voltage, as marked on the Meter,

between the terminals or between any

terminal and grounding.

zWhen the Meter working at an effective

voltage over 60V in DC or 30V in AC,

special care should be taken from there

is danger of electric shock.

zUse the proper terminals, function, and

range for your measurements.

zThe rotary switch should be placed in

the right position and no any

changeover of range shall be made

during measurement is conducted to

Model UT90C: OPERATING MANUAL

prevent damage of the Meter.

zDisconnect circuit power and discharge

all high-voltage capacitors before

testing resistance, diodes or continuity.

zCharge as soon as the Meter indicator

appears to keep precision of the

readings.

zRemove test leads from the test circuit

before changeover of range. Turn the

Meter power off before connect the

Meter to circuit and check the fuse

before measuring current.

zWhen servicing the Meter, use only the

same model number or identical

electrical specifications replacement

parts.

zThe internal circuit of the Meter shall not

be altered will to avoid damage of the

Meter and any accident.

zSoft cloth and mild detergent should be

used to clean the surface of the Meter

when servicing. No abrasive and solvent

should be used to prevent the surface of

the Meter from corrosion, damage and

accident.

zTurn off the Meter when it is not in use

for a long time.

zDo not use or store the Meter in an

environment of high temperature,

humidity, explosive, inflammable and

strong magnetic field. The performance

of the Meter may deteriorate after

dampened.

Model UT90C: OPERATING MANUAL

International Electrical Symbols

AC (Alternating Current).

DC (Direct Current).

Grounding.

Double Insulated.

Deficiency of Built-In Battery.

Warning. Refer to the Operating

Manual.

China Technology Supervision

Bureau, license for measuring

instrument Manufacture

Conforms to Standards of European

Union.

The Meter Structure (see figure 1)

 LCD Display.

 solar receiver.

 SELECT Button.

 Rotary Switch.

 HOLD Button.

 Input Terminals.

 RESET Button

LCD indicators(see figure 2)

 AC Appear at AC measurement, disappear

at DC measurement.

 Display the minus readings.

CHARGE Charge indicator.

 AUTO Choose the best resolve power range

in the auto ranging mode.

 □H Data Hold mode.

Model UT90C: OPERATING MANUAL

 Relative Measurement mode

Battery Deficiency indicator.

 V Charge Voltage Unit: volt.

 & Continuity Measurement indicator.

Diodes Measurement indicator.



Ω,KΩ,MΩResistance unit

nF,µF Capacitance unit

Hz, kHz, MHz Frequency unit

MV, V Voltage unit

µA, mA, A Current unit

Rotary Switch

Below table indicated for information about the

rotary switch positions.

Rotar

Switch

Positio

Function

DC voltage measurement range

from 400.0mV to 1000V; AC

voltage measurement range from

4.000V to 750V.

ΩΩResistance measurement range

from 400.0Ωto 40.00MΩ.

Diode test.

Capacitance test.

&Continuity test.

Hz Frequency measurement range

from 10.00Hz to 10.00MHz.

Model UT90C: OPERATING MANUAL

AC/DC current measurement

range from 400.0µA to 20.00A.

CHARGE

Charge: 230V MAX: AC

220V input charge

9-12 : 9-12 input charge

OFF Turn off the Meter.

Functional Buttons

Below table indicated for information about the

functional button operations.

Button

Measur

ing

Functi

Operation Performed

Model UT90C: OPERATING MANUAL

Any

rotary

switch

position

except

at Hz,

CHAR

Relative Measurement:

Press Button, make

the Meter take the

present reading as the

basic value, and the

reading on the display

goes to “0”. Every

measured value

hereafter will subtract the

basic value.

Press the button again to

exit and back to the

former range position. To

enter Autorange, turn the

rotary switch from the

beginning to the end and

back to the beginning

one time.(only fit the

Autorange function)

RESET

BUTTON

CHAR

Reversion Button: When

the built-in power is

deficiency, the display

will shut off. At the first

time to start up the LCD

during charge, it is

necessary to use

button to make the Meter

display the exact present

char

e volta

SELEC

BUTTO

Any

rotary

switch

position

When there are two or

above two same color

measure functions at the

same rotary switch

position, press the

SELECT BUTTON to

choose the needed one

Model UT90C: OPERATING MANUAL

□H

DATA

HOLD

Any

rotary

switch

position

Press the button to hold

the present value, press

again to exit; Show the

value follow the

measurement.

BEEPS

Any

rotary

switch

position

When start up ,

SELECT,□H operations,

the buzzer beeps one

time; When the result of

continuity test is

connected, the buzzer

beeps

uous

AUTO

POWE

R-OFF

Any

rotary

switch

position

When there is not any

operation of the Meter, all

the indicators on the LCD

will disappear, the Meter

will enter sleep mode.

Any operation of rotary

changover or pressing

button will wake up the

Meter to work again.

When press SELECT

BUTTON to start up the

Meter, the function of

AUTO POWER-OFF will

be canceled.

Measurement Operation

A. AC/DC Voltage Measurement (see figure

Warning

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