Unit UTE9811+ Manuel utilisateur

User’s Manual

UTE9811+ Smart Digital Power Meter

User’s Manual UTE9811+ Smart Digital Power Meter

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Preface

Thank you for purchasing this brand new UNI-T product. In order to use this product safely and correctly,

please read this manual thoroughly, especially the safety notes.

After reading this manual, it is recommended to keep the manual at an easily accessible place, preferably

close to the device, for future reference.

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.

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

Warranty Service

UNI-T warrants that the product will be free from defects for one year. If the product is re-sold, the warranty

period will be from the date of the original purchase from an authorized UNI-T distributor. Probes, other

accessories, and fuses are not included in this warranty.

If the product is proved to be defective within the warranty period, UNI-T reserves the rights to either repair

the defective product without charging of parts and labor, or exchange the defected product to a working

equivalent product. Replacement parts and products may be brand new, or perform at the same

specifications as brand new products. All replacement parts, modules, and products become the property of

UNI-T.

The “customer” refers to the individual or entity that is declared in the guarantee. In order to obtain the

warranty service, "customer" must inform the defects within the applicable warranty period to UNI-T, and to

perform appropriate arrangements for the warranty service. The customer shall be responsible for packing

and shipping the defective products to the designated maintenance center of UNI-T, pay the shipping cost,

and provide a copy of the purchase receipt of the original purchaser. If the product is shipped domestically

to the location of the UNI-T service center, UNI-T shall pay the return shipping fee. If the product is sent to

any other location, the customer shall be responsible for all shipping, duties, taxes, and any other expenses.

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Guarantee Limit

This warranty shall not apply to any defects or damages caused by accidental, machine parts’ wear and tear,

improper use, and improper or lack of maintenance. UNI-T under the provisions of this warranty has no

obligation to provide the following services:

a) Any repair damage caused by the installation, repair, or maintenance of the product by non UNI-T service

representatives.

b) Any repair damage caused by improper use or connection to an incompatible device.

c) Any damage or malfunction caused by the use of a power source which does not conform to the

requirements of this manual.

d) Any maintenance on altered or integrated products (if such alteration or integration leads to an increase

in time or difficulty of product maintenance).

This warranty is written by UNI-T for this product, and it is used to substitute any other express or implied

warranties. UNI-T and its distributors do not offer any implied warranties for merchant ability or applicability

purposes.

For violation of this guarantee, regardless of whether UNI-T and its distributors are informed that any

indirect, special, incidental, or consequential damage may occur, UNI-T and its distributors shall not be

responsible for any of the damages.

Safety Instructions

To avoid possible electric shock and personal safety problem, please follow the instructions below. Uni-

Trend will not be responsible for the personal safety and property damage caused by the user's failure to

comply with the following terms.

1. Do not usethe damaged instrument. Before using, please checkthe outer shell whether has crack or plastic

lack. Do not use the instrument in flammable and explosive gas, steam or dusty environment.

2. Only trained personnel can execute maintain procedure to avoid fire and personal injury; there must be

personnel supervision in use, otherwise it should be turned off the instrument and its power supply.

3. Before connecting the instrument, observe all marks on the instrumentto learn more about the rated value,

warnings and Notes.

4. The power supply of the instrument is 100-240VAC, 50/60Hz.

5. The instrument is equipped with three core power cord, only use the power cord provided by the

manufacturer to avoid accidental injury; do not plug and unplug the power cord when the instrument is

energizing; do not put other objects on the power cable when using it, and ensure that the power cable is

away from heat source.

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6. Instrument grounding：To prevent the risk of electric shock, please connect the power ground wire.

7. Do not install substitutes or perform unauthorized changes; do not use the instrument whenthe outer shell

opened or looseness.

8. During the test, do not touch terminal blocks and test line to prevent from electric shock; do not plug the

communication port; do not put article on the instrument to protect the instrument, especially pay

attention not to let metal chips, water, oil and other liquids into the internal the interior of the instrument,

otherwise, it may cause unpredictable and serious consequences.

9. Avoid exposed circuits, do not touch exposed connectors and components after the power is turned on.

10. Use the appropriate fuse, only with the fuse type and rating indicator specified for this product.

11. Do not use the instrument that work abnormally; if you suspect that the product has malfunctioned, let

qualified maintenance personnel to check the instrument.

12. Unplug the power cord from the power outlet if the instrument is not to be used for a long time. Please do

not pull the power cord to unplug it; if the instrument need to move, please make sure the power line and

other connecting line is pulled outand use the carrying handle on the side of the instrument, be gentle with

it to prevent collision.

Environmental Condition

The instrument can only use indoors and non-condensing area, the general environmental requirements

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

Explanation：In order to ensure the measurement accuracy, it is recommended to start the operation after

half an hour to warm-up the machine.

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Chapter 1 Inspection and Installment

1.1 Check Packing List

Check with packing list to confirm that accessories has no loss or abnormal. If there have any problem, please

contact with UNI-T distributor or manufacture.

No.

Components

Quantity

Remark

Digital power meter

UTE9811+

Power cable

RS-232 communication

line

User’s manual

Please download from official website.

http://www.uni-trend.com

Explanation：After confirming that the contents of the package are consistent and there are no problems,

please keep the box and related contents properly, the instrument should meet the encasement

requirements if it return to the factory for service.

1.2 Hand Shank

The hand shank can be adjustment, hold the hand shank in both hands and then pull out two flanks to twist it,

it can be adjust to four positions shown as the following figure.

1. Original Position (Factory Setting)

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2. Testing Position

3. Remove Hand Shank

4. Lift Position

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Chapter 2 Product Introduction

2.1 Product Overview

UTE9811+ smart digital power meter is an economic and portable measuring instrument. It is a multi-

functional measuring instrument which integrating voltage, current, power, power factor and harmonic wave.

The products is widely used in production, testing, evaluation and scientific research and multi-field.

UTE9811+ smart digital power meter adopts high speed CPU for data processing, the sampling resistance of

voltage and current are all use low temperature drift resistor, therefore, the stability and accuracy of

measurement data are guaranteed.

The instrument can measure voltage, current, power, power factor, frequency, voltage crest ratio and

current crest ratio. It also has harmonic analysis and serial communication function.

The instrument has perfect functions, superior performance and simple operation. It meets the needs of

high-speed measurement in production sites, as well as laboratory and R&D measurements. It is widely used

in in the fields of lighting appliances, power tools, householdappliances, electric motors and electric heating

appliances of production lines, laboratories and quality inspection departments.

Characteristics

1. VA broken code screen display for intuitive reading.

2. Multi-window simultaneous display of voltage, current, power, power factor, frequency, voltage crest ratio,

current crest ratio and harmonic measurement data.

3. Harmonic measurement adopts phase-locked loop (PLL) synchronization method. The maximum of

harmonic analysis is 50 times.

4. Voltage and current range can switch automatically, It will help for improving the measurement accuracy.

5. Average function can make the reading more stable and it suitable for measuring the load or power with

large variations.

6. Data upgrade period can be set. User can select a faster upgrade period according to the test needs, so as

to improve the test efficiency.

7. Communication interface supports RS-232 and RS-485. Communication protocol supports SCPI and

Modbus for communicating with computer and PLC.

8. It can freely set the upper and lower limit of current and power, the digital power meter will automatic judge

whether the test value is exceed. Sound and light alarm indication, it is convenient for batch detection to

improve the measurement efficiency.

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2.2 Technical Index

Note: * f represent the frequency of input signal in the below table.

Model

UTE9811+

Display

VA broken code display, 5 digits，four windows

Display Update Rate

0.1S, 0.25S, 0.5S, 1S, 2S, 5S

Measuring Object

V,A,W,PF/HZ/THD/CF

Measuring Mode

Measuring Range of Voltage

3.0V-600V

Voltage Range

75V/150V/300V/600V

Accuracy of Voltage

40Hz≤f≤70Hz：±( 0.4% reading+ 0.1 range+1 character )

Voltage Resolution

0.01V/0.1V

Measuring Range of Current

5.0mA~20.0A

Current Range

200mA/1A/4A/20A

Accuracy of Current

40Hz≤f≤70Hz：±( 0.4% reading+ 0.1 range+1 character )

Current Resolution

0.001A

Switching Range

Auto

Power Range

1W~12kW

Accuracy of Power

40Hz≤f≤70Hz：±( 0.4% reading+ 0.1 range+1 character ）

Power Resolution

0.01W/0.1W/1W

Power Factor Range

-1.000~1.000

Accuracy of Power Factor

±( 0.004 + 0.001* reading +1 character )

Frequency Range

40Hz~70Hz

Accuracy of Frequency

±(0.1% reading +1 character)

Auto Range

Switching

Voltage Range

Increasing

Urms exceeds the measuring range about 110 %( CF < 2 )

Voltage Range

Decreasing

Urms is less than the lower part range about 80 %( CF < 2 )

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Current

Range

Increasing

Irms exceeds the measuring range about 110 %( CF < 2 )

Current

Range

Decreasing

Irms is less than the lower part range about 60 %( CF < 2 )

Harmonic Analysis Times

1~50

Accuracy of Harmonic

±( 0.3% range +5% reading+1 character ）

Pre-heating Time

>30 minutes

Current Peak

The maximum display 24A

Maximum of Allowed Input for

Continuous

Voltage 700V，Current 24A

Maximum of Allowed Input for Instant

1000V, 40A (1 min)

Input Impedance

Voltage about 2 MΩ，Current is less than 0.02Ω

Upper/Lower limit

Four settings for the upper/lower limit of power and current

P Hi (Power high),

P Lo (Power low),

A Hi (Current high),

A Lo (Current low)

Average Function

√

Interface

RS232（DB9 ; 2 pin: TX, 3-pin: RX, 5-pin: GND）

RS485 (DB9 ; 8-pin: A , 9-pin: B )

Baud Rate

4800，9600，19.2K，38.4K，57.6K，115.2K，default 9600.

It follows communication protocol of standard SCPI and Modbus-

RTU.

Display Hold

√

Mute

√

Lock Key

√

Power Source

Input power：AC 100V~240V Frequency 50/60Hz

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Precision Environment

18℃~28℃，30%~75%RH (28℃< operating temperature

<18℃(when in 18℃, it needs to add temperature coefficient)：

reading of 0.05%/℃）

Storage Temperature

-10℃~50℃，non-condensing below 80% RH

Operating Altitude

≤2000 meters

General Characteristic

Color

Gray

Weight

3.2kg

Size

214mm×88mm×340mm

Standard Accessories

Specialized power cable x1；RS232 serial port line X1

Optional Accessories

UTE-L10A 10A three-pronged plug convert banana head plug

connection cable x1

UTE-L16C 16A connection cable with alligator clip x1

UTE-L16A 16A three-pronged plug convert banana head plug

connection cable x1

Standard Packing Quantity

Standard Packing Size

400mm*300m*325mm

Gross Weight of Standard Packing

9kg

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