Uni-T UT801 Manual

Uni-T Multimeter UT801

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Side 1/2

LCD Display

1. Indicator of manual rangeManual Range

2. Warning ！ Indicator for Warning signal

3. The battery is low

4. Indicator for high voltage signal

5. Indicator for Negative reading

display

6. Indicator for AC voltage or currentAC

( DC indicator do not display)

7. Data hold is active

8. Test of diode

9. The continuity buzzer is on

10. Number Indicates testing reading

11. Units of measurement:

General Specications

1. Maximum Voltage between terminal input and

COM: 1000V( except 200mV, 230V)

2. μA mA terminal input protection: (CE)250mA 265V

auto recovery fuse

3. 10A terminal input protection: (CE)F1 (10A H

250V) Fast type melted fuse Φ5x20mm

4. Resistance input protection: PTC/250V

5. Capacitance input protection: (CE)F2, F3 (0.5A H

250V) Fast type melted fuse Φ5x20mm

6. Frequency input protection: PTC/250V

7. Temperature input protection: (CE)250mA 265V

fuse

8. terminal input protection: PTC/250V

9. hFE input protection: (CE)250mA 265V auto

recovery fuse, F3 (0.5A H 250V) Fast type melted

fuse Φ5x20mm

10. Dis pl ay: L CD full fu nc tio n signal display,

maximum reading is 1999(UT801) , 19999(UT802)

Updates 2-3 times / second

11. Range: Manual

12. Polarity Display: Auto

13. Overload indication: 1

14. Battery Deciency:

15. Operating Temperature: 0

～40℃(32℉～104℉)

16. Storing Temperature: -10

～50℃(14℉～122℉)

17. Relative Humidity: 0℃～30 ℃

below ≤75%

℃～40℃ ≤50%

18. Electromagnetic Field: Under 1V/m the inuence

of radiated radio-frequency electromagnetic field

phenomenon, Total accuracy= specific accuracy+

measurement 5%, Over 1V/m radiated radio-

frequency electromagnetic which do not have any

reference data on this topic.

19. Power: AC(external power adapter AC220V/

DC9V-200mA) or DC(internal battery type 2 R14/1.5V

6 pieces)

20. Product size: (300x245x105)mm

21. Product Net Weight : About1500g(without the

accessories)

22. Safety Compaliances : IEC 61010: CATⅡ

1000V

6. Do not overload voltage or current on EITHER

between terminal and terminal OR between terminal

and grounding which indicate on meter limitation.

7. The rotary switch should be placed in the right

position and no any changeover of range shall be

made during measurement is conducted to prevent

damage of the Meter.

8. Do not use or store the meter in an environment

of high temperature, humidity, flammable and

electromagnetic environment. The performance of

the meter may deteriorate after dampened.

9. The internal circuit of the meter shall not be

altered at will to avoid damage of the meter and any

accident

10. Replace the battery as soon as the battery

indicator “ ”Appears. With a low battery, the

meter might produce false readings that can lead to

electric shock and personal injury.

11. Turn the meter off when it is not is use and take

out the battery when not using for a long time.

UT801/802 Operating Manual

Bench Type Digital Multimeters

UT801/802

Operating Manual

Overview

Digital Bench-Type Multimeter Model UT801 is the

maximum reading 1999 and 3 1/2 digits and UT802

is the maximum reading 19999 and 4 1/2 digits,

both models are in manual range, DC / AC current

type digital multimeter, This is also the extra large

characters in LCD display backlight with full function,

full measurement and full overload protection as well

as a good product design outlook, In addition to all

the conventional features include DC/AC voltage,

DC/AC current, resistance, frequency, capacitance,

tem p e ratur e ℃ , Tra n sistor hF E、di ode an d

continuity buzzer.

This operating manual covers information on

safety and cautions. Please read the relevant

information carefully and observe all the Warnings

and Notes strictly.

Unpacking Inspection

Open the package case and take out the Meter.

Check the following items carefully to see any missing

or damaged part. If you nd any missing or damage,

please contact your dealer in your country.

● Operating Manual 1 piece

● Test Lead 1 pair

● Alligator Clip 1 pair

● K Type Temperature Probe 1 piece

( For the temperature under 230

℃testing)

● Multi-Purpose Socket 1 piece

● Power Cord 1 piece

(AC220V 50Hz DC9V/200mA)

Safety Information

Th is Me te r c omp li es wi th th e st and ard s

IEC61010-1 in pollution degree 2, overvoltage

category (CAT II 1000V) and double insulation. If you

can not follow up this operating instruction to use the

meter and it reduces the chance to have an using

protection.

1. Before using the Meter and Test Leads inspect

both items. Do not use the Meter and Test Leads

if it is damaged or the case (or part of the case) is

removed or no reaction on LCD display. Prohibited

to use the meter without housing or housing without

screw x up in order to avoid possible electric shock

or to avoid possible damage to the meter or to the

equipment under test.

2. If the damage of test leads, use only the same

model number or identical electrical specifications

replacement parts.

3. Do not use your finger to touch on any testing

cable, connector, unused terminal input or circuit

during the testing stage

4. When the meter working at an effective voltage

over 60V in DC or 30V rms in AC, special care should

be taken for there is danger of electric shock.

5. Selecting the correct terminal input and turn the

rotary switch to select the measuring function. In

case of no any idea on the value input of the current,

just simply test from the high value to low one.

Unit of Voltage: The millivolt, volt

Unit of current: Microampere, milliampere,

ampere

Unit of electrical resistance: Ohm, thousand

ohms, trillion ohm

Unit of electrical capacity: Accepts the farad,

the microfarad

Unit of Frequency: Kilohertz

Unit of Temperature: Degree Celsius Factor

Unit of Triode enlargement: Times

mV, V

μA, mA, A

Ω, kΩ, MΩ

nF/μF

kHz

℃

Operational Measurement Guide (see Diagram 1, 2,

Diagram 1

Diagram 2

Diagram 3

Functions

Symbol Terminal Input Explanation

V V ←→ COM DC Voltage Measurement

V V ←→ COM AC Voltage Measurement

Ω V ←→ COM Resistance Measurement

V ←→ COM Diode / Continuity Buzzer

Measurement

kHz V ←→ COM Frequency Measurement

A mA μA ←→ COM mA/μA DC Current Measurement

10A ←→ COM ADCCurrent Measurement

A mA μA ←→ COM mA/μA AC Current Measurement

10A ←→ COM A AC Current Measurement

F V←→ mA μA Capacitance Measurement

(Use Multi-Purpose Socket)

V ←→ mA μA Temperature Measurement

(Use Multi-Purpose Socket)

hFE V ←→mA μA Triode Enlargement Factor

(Use Multi-Purpose Socket)

Measurement

℃

Functional Buttons

Turn the power on and off Turn the display

backlight on and off(suitable for battery

supply, backlight turn on about 10 seconds

after auto shut down.)

Press Hold to enter and exit the hold mode

in any mode, the meter beeps.

LIGHT

HOLD

hFE

Warning:

1. Selecting the correct terminal input and turns the

rotary switch to select the measuring function. If fails

to do that, the buzzer beep and the warning signal

ash on.

Range Alarm Alert On False Terminal Input

V Hz Ω 10A mAμA

mAμA

℃ hFE F 10A

10A mAμA

2.DC or AC Voltage Measurement

● To avoid harms to you or damages to the Meter

from electric shock, please do not attempt to measure

voltages higher than 1000 V although reading may

be obtained.

● T h e M e t er h a s an i n pu t im pe d a n c e of

10MΩ(exceptUT802/ACV input impedance of 2MΩ)

This loading effect can cause measurement errors in

high impedance circuits and so you need to take a

note on it.

3.DC or AC Current Measurement

● Before connect the Meter in serial with the tested

return circuit, closed

the return circuit current to avoid the dangerous of

sparking.

● Do not use over >10A current measurement.

Although the meter can work on below 20A current

testing but for the avoiding any harms to you or

damages to the Meter.

4. Measu ring Re sistan ce, Dio des, Co ntinui ty or

Capacitance

● To maintain the measurement accuracy, discount

circui t power and disc harge all the high voltage

capacitors during the measuring resistance.

● When measuring high resistance on 1MΩ or

ab ove, it is no rma l t o ta ke se ve ral s eco nds to

obtain a stable reading. In order to obtain stable

reading, choose shorter test lead to carrying out

measurement.

● The test leads and the Meter inside wire will

bring around 0.1Ω

～0.2Ω of err or to re sistan ce

measurement when measuring low resistance. To

obtain accurate readings in low-resistance, short

–circuit the test leads beforehand and record the

reading obtained, call this reading as X. Then use

the equation: measured resistance value (Y) – (X) =

accurate readings of resistance.

● During measurement, Diodes is in a good silicon

junction drops between 500mV

～800 mV as t he

normal value. The continuity measurement, the poles

between resistance is >100Ω. it is a short circuit, but

on the poles between resistance is ≤10Ω, it is a good

connection, buzzer is continually beep on, and the

reading value is nearly to the circuit resistance value,

Unit is Ω.

Accuracy Specications

Accuracy: ±(% reading + digits), guarantee for 1 year

Operating temperature: 18℃～28℃

Environmental humidity: Less than 75%RH

1. DC Voltage

Range Resolution

UT801 UT802 UT801 UT802

200mV 0.1mV 0.01mV ±(0.1%+5)

2V 1mV 0.1mV

20V 10mV 1mV ±(0.5%+2) ±(0.1%+3)

200V 100mV 10mV

1000V 1V 0.1V ±(0.8%+3) ±(0.2%+5)

Input Impedance: is average on 10MΩ

Maxim um Volt age Input: 1000V (Exce pt 20 0mV,

250V)

2. AC Voltage

Range Resolution

UT801 UT802 UT801 UT802

2V 1mV 0.1mV ±(0.8%+3) ±(0.5%+20)

20V 10mV 1mV

200V 100mV 10mV ±(1.0%+4)

±(0.8%+40)

1000V 1V 0.1V

Input Imp edan ce: UT801 is aver age on 10 MΩ ,

UT802 is about 2MΩ .

Maximum Voltage Input: 750Vrms

Frequency: 45Hz～400Hz

Display: True RMS

3. DC Current

Range Resolution

UT801 UT802 UT801 UT802

200μA 0.1μA 0.01μA

2mA 1μA 0.1μA

20mA 10μA 1μA ±(0.8%+2) ±(0.5%+20)

200mA 0.1mA 0.01mA

10A 10mA 1mA ±(2.0%+4) ±(1.5%+40)

* When ≥5A, Continuous measurement less than 10

seconds at an interval more than 15 minutes.

4. AC Current

Range Resolution

UT801 UT802 UT801 UT802

2mA 1μA 0.1μA

20mA 10μA 1μA ±(1.0%+3) ±(0.8%+40)

200mA 0.1mA 0.01mA

10A 10mA 1mA ±(2.5%+5) ±(2.0%+40)

Frequency: 45Hz～400Hz

* When ≥5A, Continuous measurement less than 10

seconds at an interval more than 15 minutes.

5. Resistance

Range Resolution

UT801 UT802 UT801 UT802

200Ω 0.1Ω 0.01Ω

2kΩ 1Ω 0.1Ω

20kΩ 10Ω 1Ω ±(0.8%+3) ±(0.5%+10)

200kΩ 100Ω 10Ω

2MΩ 1kΩ 100Ω

20MΩ 10kΩ ±(1.2%+5)

200MΩ 10kΩ ±(5%+40)

When >100MΩ resistance measurement as reference

purpose.

6. Capacitance

Range Resolution

UT801 UT802 UT801 UT802

20nF 10pF 1pF

2μF 1nF 100pF

200μF* 100nF 10nF ±(5%+5) ±5%+10)

*>4 0μF cap acit ance me as urem ent as refer ence

purpose.

7. Frequency

Range Resolution

UT801 UT802 UT801 UT802

2kHz 1Hz 0.1Hz

200kHz 100Hz 10Hz

Input Amplitude a:

(2kHz range) 50mV≤a≤30Vrms

(200kHz range)150mV≤a≤30Vrms

8. Temperature

Range Resolution

UT801 UT802 UT801 UT802

-40～-20℃ -(8%+5) -(8%+40)

>-20℃0℃ ±(1.2%+4) ±(1.2%+30)

>0～100 ℃ ±(1.2%+3) ±(1.2%+25)

>100～1000℃

±(2.5%+2) ±(2.5%+20)

* Therm oc ou p le : I t i s su ita ble t o u se K type

therm ocoup le. Th is i ncl ude poin t conta ct K ty pe

thermocouple can only be used on less than 230

℃

temperature measurement.

9. Diode Test

Range Resolution Remarks

UT801 UT802

1mV 0.1mV

10. Continuity Test

Range Resolution Remarks

UT801 UT802

1Ω* 0.1Ω*

When cir cuit disc onne cted with re sist anc e valu e

>100Ω, buzzer does not beep.

When circuit is in good connection with resistance

value ≤10Ω, buzzer beeps continuously.

11. Transistor hFE

Range Resolution Remarks

UT801 UT802

1β* 0.1β*

Replacing the battery(see Diagram 4)

Accuracy Tolerance:±(% Reading+Digits)

Open circuit voltage is around 3

V, Silicon junction drops between

0.5～0.8V as the normal value.

O p e n c i r c u i t v o l t a g e i s

approximate 3V

Ib 0 is a bo ut 1 0μ A, V ce i s

about 2.5V

Diagram 4

R14 1.5V*6

Fuse

Power adapter

Specifications and other information shown on this

instruct ion manu al are subj ect to chang e withou t

notice

UT801/802 Operating Manual

Accuracy Tolerance:±(% Reading+Digits)

1℃ 0.1℃

Accuracy Tolerance:±(% Reading+Digits)

±(1.5%+5) ±(1.2%+10)

Accuracy Tolerance:±(% Reading+Digits)

±(4%+3) ±(4%+10)

P/N: 110401101618

Development District,Hu Men Town,Dong Guan City,

Guang Dong Province,China

Produkt Specifikationer

Mærke:	Uni-T
Kategori:	Multimeter
Model:	UT801

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