ZOYI ZT-922S Manuale utente

User Manual

Specifications are subject to change without notice.

User Manual

Specifications are subject to change without notice.

LIMITED WARRANTY

AND LIMITATION OF LIABILITY

Customers enjoy one-year warranty

from the date of purchase.

This warranty does not cover fuses,

disposable batteries, damage from

misuse accident, neglect, alteration,

contamination, or abnormal conditions

of operation or handling, including

failures caused by use outside of the

product's specifications, or normal wear

and tear of mechanical components.

Contents

Instruction.................................................................1

Safety Information....................................................1

Instrument Overview................................................3

LCD Display.............................................................3

Function Buttons......................................................5

Measurement Instruction.........................................7

Measure AC/DC Voltage..........................................7

Measure Resistance.................................................7

Test Continuity..........................................................8

Test Diodes...............................................................8

Measure Capacitance...............................................9

Measure Frequency/Duty Cycle................................10

NCV Test…………………………………………………10

Voice Recognition …………………………………...….10

Title Page

Maintenance.............................................................12

Clean the Product.....................................................12

Replace the Batteries................................................12

Specifications............................................................14

General Specifications..............................................14

Mechanical Specifications.........................................14

Environmental Specifications....................................15

Electrical Specifications.............................................16

Introduction

This product is a battery-powered, true RMS,

auto-range multi-function digital multimeter with

6000 counts LCD display and adjustable backlight

brightness.

Safety Information

To avoid possible electrical shock, fire, or

personal injury, please read all safety information

before you use the product. Please use the

product only as specified, or the protection

supplied by the product can be compromised.

•Examine the case before you use the product.

Look for cracks or missing plastic. Carefully look

at the insulation around the terminals.

•The measurement must be made with correct

input terminals and functions and within the

allowable measuring range.

•Do not use the product around explosive gas,

vapor, or in damp or wet environments.

•Keep fingers behind the finger guards on the

probes.

•When the product has already been connected

to the line being measured, do NOT touch the

input terminal that is not in service.

•Disconnect the test leads from the circuit before

changing the mode.

•When the voltage to be measured exceeds 36V

DC or 25V AC, the operator shall be careful

enough to avoid electric shock.

•Misuse of mode or range can lead to hazards,

be cautious. “ ” will be shown on the display

when the input is out of range.

•Low level of a battery will result in incorrect

readings. Change the batteries when battery

level is low.Do not make measurements when

the battery door is not properly placed.

LCD Display

Instrument Overview

①

Auto range

②

Voice recognition

③

voltage

④

AC voltage

⑤

Negative display

⑥

Low battery. Replace batteries.

⑦

Temperature test.

(Fahrenheit or Celsius)

①

②

③

④

⑤

⑥

⑦

⑧

⑨

⑩

⑪

⑬

⑭

⑯

⑰

⑱

⑲

⑫

⑮

㉑

⑧

True RMS

⑨

Duty cycle

⑩

Frequency test. (Hertz)

⑪

Capacitance

test.(Farad)

⑫

Voltage

test.（volt）

⑬

Resistance test.(ohm)

⑭

Current test. (Ampere)

⑮

Display freezes present reading.

⑯

Display shows maximum reading.

⑰

Display shows minimum reading.

⑱

Continuity test.

⑲

Diode test.

⑳REL

The product measures both

sinusoidal and non sinusoidal

ac waveforms accurately.

㉑

MANU

Manual

range

Test unit

①

②

③

④

⑤

⑥

Function Buttons

①

Long

press to turn on/off the product.

•

The product automatically powers off

after

15 minutes of inactivity.

•

The built-in beeper beeps 5 times 1

minute

before auto power off.

•

To restart the product from auto power

off,

press the SELECT button or turn the

rotary

switch back to the OFF position and then to

needed position.

•

To disable the Auto Power Off function,

hold

down the SELECT button when turning

the product, you will hear five beeps if

you

have successfully disabled the function.

②

Press

this button, the main display will

show

current

frequency and the vice display will

show

the

duty cycle. Press it again to quit.

capacitance,

long press to clear the readings.

③

Push

once to hold the current reading on

the

display

; push again to continue

normal

operation

. Long press more than 2s to turn

backlight,

long press again to turn off it.

④

Press

this button to enter in DC

voltage

function,

press it to switch in DC and

voltage

. When test AC voltage, vice

display

will

show frequency. When test DC

voltage,

vice

display will show regular temperature

Long

press temperature button to switch

Celsius

and Fahrenheit.

⑤

Push

this button to toggle between

testing

modes

of Resistance, Diode/Continuity,

and

Capacitance

. Vice display will show

regular

temperature

, now long press

temperature

button

to switch in Celsius and Fahrenheit .

⑥

Short

press to enter in voice

recognition

function,

then short press again to turn it off

Long

press more than 2s to enter in NCV

test

function,

then long press more than 2s to turn

off

. ( it will automatically turn off the

voice

recognition

function if no any operation in

minutes)

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