Unit UTE310 Manual de usuario

Quick Guide

UTE310 Digital Power Meter

Quick Guide UTE310 Digital Power Meter

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Trademark

UNI-T is the registered trademark of Uni Trend Technology (China) Co., Ltd.

File Version

UTE31020230801-V1.00

Statements

UNI-T products are protected by patent rights in China and foreign countries, including issued and

pending patents.

UNI-T reserves the rights to any product specification and pricing changes.

UNI-T reserves all rights. Licensed software products are properties of Uni-Trend and its subsidiaries

or suppliers, which are protected by national copyright laws and international treaty provisions.

Information in this manual supersedes all previously published versions.

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1. Safety Instruction

This section contains information and warnings that must be followed to keep the instrument operating

under safety conditions. In addition, user should also follow the common safety procedures.

Safety Precautions

Warning

Please follow the following guidelines to avoid possible electric shock and risk to

personal safety.

Users must follow the following conventional safety precautions in operation,

service and maintenance of this device. UNI-T will not be liable for any personal

safety and property loss caused by the user’s failure to follow the following safety

precautions. This device is designed for professional users and responsible

organizations for measurement purposes.

Do not use this device in any way not specified by the manufacturer. This device is

only for indoor use unless otherwise specified in the product manual.

Safety Statement

Warning

“Warning” indicates the presence of a hazard. It reminds users to pay attention to a

certain operation process, operation method or similar. Personal injury or death may

occur if the rules in the “Warning” statement are not properly executed or observed.

Do not proceed to the next step until you fully understand and meet the conditions

stated in the “Warning” statement.

Caution

“Caution” indicates the presence of a hazard. It reminds users to pay attention to a

certain operation process, operation method or similar. Product damage or loss of

important data may occur if the rules in the “Caution” statement are not properly

executed or observed. Do not proceed to the next step until you fully understand and

meet the conditions stated in the “Caution” statement.

Note

“Note” indicates important information. It reminds users to pay attention to

procedures, methods and conditions, etc. The contents of the “Note” should be

highlighted if necessary.

Safety Sign

Danger

It indicates possible danger of electric shock, which may cause

personal injury or death.

Warning

It indicates that you should be careful to avoid personal injury or

product damage.

Caution

It indicates possible danger, which may cause damage to this

device or other equipment if you fail to follow a certain procedure

or condition. If the “Caution” sign is present, all conditions must

be met before you proceed to operation.

Note

It indicates potential problems, which may cause failure of this

device if you fail to follow a certain procedure or condition. If the

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“Note” sign is present, all conditions must be met before this

device will function properly.

Alternating current of device. Please check the region’s voltage

range.

Direct current device. Please check the region’s voltage range.

Grounding

Frame and chassis grounding terminal

Grounding

Protective grounding terminal

Grounding

Measurement grounding terminal

CAT 0

This instrument is suitable for measurements on circuits that are

not directly connected to the grid power supply and circuits that

are specially protected to be powered from the (internal) grid. In

the latter case, the transient stresses are different, and the

instrument should be used for this type of measurement to

ensure that the peak transient voltage is less than 3000 V.

CAT Ⅰ

Secondary electrical circuit connected to wall sockets through

transformers or similar equipment, such as electronic

instruments and electronic equipment; electronic equipment

with protective measures, and any high-voltage and low-voltage

circuits, such as the copier in the office.

CAT Ⅱ

Primary electrical circuit of the electrical equipment connected

to the indoor socket via the power cord, such as mobile tools,

home appliances, etc. Household appliances, portable tools (e.g.

electric drill), household sockets, sockets more than 10 meters

away from CAT III circuit or sockets more than 20 meters away

from CAT IV circuit.

CAT Ⅲ

Primary circuit of large equipment directly connected to the

distribution board and circuit between the distribution board and

the socket (three-phase distributor circuit includes a single

commercial lighting circuit). Fixed equipment, such as multi-

phase motor and multi-phase fuse box; lighting equipment and

lines inside large buildings; machine tools and power distribution

boards at industrial sites (workshops).

CAT Ⅳ

Three-phase public power unit and outdoor power supply line

equipment. Equipment designed to “initial connection”, such as

power distribution system of power station, power instrument,

front-end overload protection, and any outdoor transmission

line.

Certification

CE indicates a registered trademark of EU

Certification

UKCA indicates a registered trademark of UK

Waste

This product complies with the marking requirements of WEEE

Directive (2002/96/EC). This additional label indicates that this

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electrical / electronic product must not be discarded in

household waste.

EFUP

This environment-friendly use period (EFUP) mark indicates that

dangerous or toxic substances will not leak or cause damage

within this indicated time period. The environment-friendly use

period of this product is 40 years, during which it can be used

safely. Upon expiration of this period, it should enter the

recycling system.

Safety Requirements

Warning

Preparation

before use

Please connect this device to AC power supply with the power cable provided.

The AC input voltage of the line reaches the rated value of this device. See the

product manual for specific rated value.

The line voltage switch of this device matches the line voltage;

The line voltage of the line fuse of this device is correct.

Check all

terminal rated

values

Please check all rated values and marking instructions on the product to avoid fire

and impact of excessive current. Please consult the product manual for detailed

rated values before connection.

Use the power

cord properly

You can only use the special power cord for the instrument approved by the local

and state standards. Please check whether the insulation layer of the cord is

damaged or the cord is exposed, and test whether the cord is conductive. If the

cord is damaged, please replace it before using the instrument.

Instrument

Grounding

To avoid electric shock, the grounding conductor must be connected to the

ground. This product is grounded through the grounding conductor of the power

supply. Please be sure to ground this product before it is powered on.

AC power

supply

Please use the AC power supply specified for this device. Please use the power

cord approved by your country and confirm that the insulation layer is not

damaged.

Electrostatic

prevention

This device may be damaged by static electricity, so it should be tested in the anti-

static area if possible. Before the power cable is connected to this device, the

internal and external conductors should be grounded briefly to release static

electricity. The protection grade of this device is 4 kV for contact discharge and 8

kV for air discharge.

Measurement

accessories

Measurement accessories are of lower class, which are definitely not applicable to

main power supply measurement, CAT II, CAT III or CAT IV circuit measurement.

Use the input /

output port of

this device

properly

Please use the input / output ports provided by this device in a properly manner.

Do not load any input signal at the output port of this device. Do not load any signal

that does not reach the rated value at the input port of this device. The probe or

other connection accessories should be effectively grounded to avoid product

damage or abnormal function. Please refer to the product manual for the rated

value of the input / output port of this device.

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Power fuse

Please use power fuse of specified specification. If the fuse needs to be replaced,

it must be replaced with another one that meets the specified specifications by

the maintenance personnel authorized by UNI-T.

Disassembly

and cleaning

There are no components available to operators inside. Do not remove the

protective cover.

Maintenance must be carried out by qualified personnel.

Service

environment

This device should be used indoors in a clean and dry environment with ambient

temperature from 0℃to 40℃.

Do not use this device in explosive, dusty or humid air.

Do not operate

in humid

environment

Do not use this device in a humid environment to avoid the risk of internal short

circuit or electric shock.

Caution

Abnormality

If this device may be faulty, please contact the authorized maintenance personnel

of UNI-T for testing. Any maintenance, adjustment or parts replacement must be

done by the relevant personnel of UNI-T.

Cooling

Do not block the ventilation holes at the side and back of this device;

Do not allow any external objects to enter this device via ventilation holes;

Please ensure adequate ventilation, and leave a gap of at least 15 cm on both sides,

front and back of this device.

Safe

transportation

Please transport this device safely to prevent it from sliding, which may damage

the buttons, knobs or interfaces on the instrument panel.

Proper

ventilation

Poor ventilation will cause the device temperature to rise, thus causing damage to

this device. Please keep proper ventilation during use, and regularly check the

vents and fans.

Keep clean

and dry

Please take actions to avoid dust or moisture in the air affecting the performance

of this device. Please keep the product surface clean and dry.

Note

Calibration

The recommended calibration period is one year. Calibration should only be carried

out by qualified personnel.

Warning

The UTE310 Digital Power Meter only supports measurement of power supplies under CAT II (600V) type

overvoltage conditions, so please use the instrument strictly in accordance with this measurement

environment.

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2. Introduction

UTE310 is a high precision and high performance digital power meter. The current measurement range is

50uA～20A, which meets the requirement of production, test and R&D.

UTE310 digital power meter is suitable for the power measurement from production line to R&D field.

The measurement of DC and single phase two-wire system;

The measurement of the household appliances with high power, such as the air condition and

the induction stave;

The measurement of the office equipment, such as the display and the printer;

The measurement of the energy equipment, such as LED, the power supply and the battery;

The measurement of energy-saving performance of industrial equipment, such as the

frequency converter and the large air condition.

2.1 Features



Oscillography

Observe the change of the measured signal in peak-to peak and waveform.



Basic power parameter measurement

Measure the basic power parameters of voltage, current, power factor, and

support for measuring the AC and DC signals.



Harmonic measurement

Support the harmonic measurement of IEC61000-4-7, which can analysis the

harmonic component in signal, such as voltage, current, power and phase angle.

The maximum measured results of 50 harmonic can be displayed.



Mathematical operation

The measured parameters can be added, subtracted, multiplied, and divided.



Current integral and power integral

The integration of q, q+, q-, WP, WP+, WP-, which can be set to continuous

integral or normal integral mode.



Multiple interfaces

The user can remote control the instrument via USB, RS-232/GPIB and LAN

interfaces.



Automatic range

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This function can automatically select or change the range within the specified

range.



Load and access the external memorizer

The instrument can connect the external memorizer to save the data of voltage, current, power and harmonic. And it

can also export and import the configuration parameter of the instrument.



Built-in digital filter

The instrument has line filter and frequency filter function. The user can enable the line filter or frequency filter to

restrain unwanted noise and harmonic components during fundamental measurements.

PC analysis software

The software is used to remote control and set the UTE 310 digital power meter, for acquiring,

displaying, analyzing and saving the measured value, harmonic and waveform data.

Holding the maximum value

RMS/Peak of voltage and current, active power P, relative power Q and apparent power S.

Sampling frequency

The sampling frequency of the UTE310 is 1MHz.

Bandwidth

The bandwidth of the UTE310 is DC, 0.1Hz～300kHz.

25μA low current measurement

This function can accurately measure the stand-by power loss of the household appliance.

Input range of wide current sensor

50mV～10V, this sensor can be compatible with more sensors, and is very suitable for the power

consumption measurement of intermittent operation equipment.

Input range of wide current

25uA～20A

The data update interval can up to 0.1s

UTE310 digital power meter can freely set the data update interval: 0.1s, 0.25s, 0.5s, 1s, 2s, 5s, 10s,

20s, Auto, to meet the measurement needs of different frequency signals.

2.2 Technical Index

Model

UTE310

Bandwidth

DC, 0.1Hz～300kHz

Sampling Rate

1MHz

Voltage Range

CF=3

CF=6 or 6A

15V

7.5V

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30V

15V

60V

30V

150V

75V

300V

150V

600V

300V

Voltage Resolution

0.001V/0.01V

Current Range

CF=3

CF=6 or 6A

5mA

2.5mA

10mA

5mA

20mA

10mA

50mA

25mA

100mA

50mA

200mA

100mA

500mA

250mA

0.5A

2.5A

10A

20A

10A

Current Resolution

0.0001mA/0.001mA/0.01mA/0.1mA/1mA

Ext1 Sensor CH Range

CF=3

CF=6 or 6A

50mV

25mV

100mV

50mV

200mV

100mV

500mV

150mV

Ext1 Sensor CH Resolution

1uV/10uV/10uV

Ext2 Sensor CH Range

CF=3

CF=6 or 6A

0.5V

2.5V

1.25V

2.5V

10V

Ext2 Sensor CH Resolution

100uV/1mV

Frequency Measurement

Range

Data Update Interval

Frequency

0.1 S

20Hz≥f≤300kHz

0.25 S

10Hz≥f≤300kHz

0.5 S

5.0Hz≥f≤300kHz

1 S

2.0Hz≥f≤300kHz

2 S

1.0Hz≥f≤300kHz

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5 S

0.5Hz≥f≤300kHz

10 S

0.2Hz≥f≤300kHz

20 S

0.1Hz≥f≤300kHz

Auto

0.1Hz≥f≤300kHz

Power Range

75mW～12000W

Waveform Display

Display the waveform of U/I

Line Filter

√

Frequency Filter

√

Harmonic Measurement

1～50 times

Integrating Function

Average active power integral, current integral

Mathematical Operation

√

DA Output and Control

√

Communication Interface

RS-232/GPIB, LAN, USB

2.3 Application System

The application system chart of the UTE310 digital power meter is shown in the following figure.

2.4 Environmental Condition

UTE310 digital power meter can only use indoors and non-condensing area, the general environmental

requirements are shown as below table.

Environmental Condition

Operating Environment

5℃～40℃，20%～80%RH（non-condensing）

Accuracy guaranteed

temperature and humidity

temperature

23℃±5℃，30%～75% R.H.

Storage temperature

-10℃～50℃, non-condensing below 80% R.H.

Operating altitude

≤2000 meters

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