Metrix PX 110 Manuel utilisateur

PX 110 - PX 120

北京海洋兴业科技股份有限公司（证券代码：839145）

电话：010-62176775

4Puissancemètres

HOLD

SMOOTH

INRUSH

kVAR

kVA

PX 110

POWER METER

ON/OFF

DISPLAY

INRUSH

SMOOTH

HOLD

Se reporter au § 2. Description

See § 2. Description

Siehe § 2. Beschreibung

Vedi § 2. Descrizione

Remitirse al § 2. Descripción

➃➃

➃

➀➀

➀➁➁

➁➁

➁

➂➂

➂

北京海洋兴业科技股份有限公司（证券代码：839145）

电话：010-62176775

5Puissancemètres

Se reporter au § 2. Description

See § 2. Description

Siehe § 2. Beschreibung

Vedi § 2. Descrizione

Remitirse al § 2. Descripción

HOLD

T3FE

SMOOTH

INRUSH

kVAR

kVA

PX 120

POWER METER

T3FEON/OFF

DISPLAY

INRUSH

SMOOTH

HOLD

➃➃

➃

➀➀

➀➁➁

➁➁

➁

➂➂

➂

北京海洋兴业科技股份有限公司（证券代码：839145）

电话：010-62176775

21Wattmeters

ENGLISH

CONTENTS

1. GENERAL INSTRUCTIONS ................................................................................................... 22

1.1 Precautions and safety measures .................................................................................. 22

1.2 Protective systems .......................................................................................................... 23

1.3 Guarantee........................................................................................................................ 23

1.4 Repair and metrological verification ................................................................................ 24

1.5 Unpacking - Repacking ................................................................................................... 24

2. DESCRIPTION OF THE INSTRUMENT .................................................................................. 24

2.1 Casing (see the diagrams at the beginning of this operating manual) ........................... 25

2.2 Display............................................................................................................................. 25

2.3. INRUSH function ............................................................................................................. 26

3. IMPLEMENTATION - FUNCTIONAL CHARACTERISTICS .................................................... 26

3.1. Reference conditions ...................................................................................................... 26

3.2 Voltage measurements (V) ......................................................................................... 27

3.3 Current measurements (A) ......................................................................................... 27

3.4 Power measurements ................................................................................................. 28

3.5 Communication (option) .................................................................................................. 32

3.6 Mains power supply (option) ........................................................................................... 32

4. GENERAL SPECIFICATIONS .................................................................................................. 32

4.1 Dimensions and weight ................................................................................................... 32

4.2 Power supply ................................................................................................................... 32

4.3 Environmental parameters .............................................................................................. 33

4.4 Compliance with norms ................................................................................................... 33

4.5 Variations in operating range .......................................................................................... 34

5. ACCESSORIES ....................................................................................................................... 34

5.1 Delivered with the wattmeters PX 110 / PX 120............................................................. 34

5.2 Delivered as options........................................................................................................ 34

6. MAINTENANCE ....................................................................................................................... 35

6.1 Replacing the batteries ................................................................................................... 35

6.2 Replacing the fuse .......................................................................................................... 35

6.2 Storage ............................................................................................................................ 35

6.3 Cleaning .......................................................................................................................... 35

北京海洋兴业科技股份有限公司（证券代码：839145）

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22 Wattmeters

1. GENERAL INSTRUCTIONS

Thank you for purchasing this PX 110 or PX 120 wattmeter.

This instrument complies with the NF EN 61010 safety standard concerning electronic

measurement instruments.For your own safety and to prevent damage to the instrument, it

is essential to respect the instructions given in this manual.The contents of this manual must

not be reproduced in any form without our consent.

1.1 Precautions and safety measures

1.1.1 Before using

*This instrument can be used for testing category-III installations, with voltages which

never exceed 600 V (AC or DC) in relation to the earth.

*Definition of installation categories (see publication IEC 664-1):

CAT I:Category I circuits are circuits protected by low level transient over-voltage

limiters

Example: protected electronic circuits

CAT II : CAT II circuits are household appliance or similar power circuits, which may

carry medium-level transient over-voltages.

Example:household appliance and portable tool power supplies

CAT III : CAT III circuits are high-power appliance power circuits, which may carry

high-level transient over-voltages.

Example:industrial machinery or instrument power supplies

CAT IV : CAT IV circuits are circuits which can carry very substantial transient over-

voltages.

Example:power feeder

* To use this instrument, the user must comply with the usual safety rules in order to:

- ensure protection against electric currents,

- protect the instrument against incorrect operations.

* For your safety, only use the leads and the fuse delivered with the instrument: they

comply with the norm EN 61010-1. Before using, always check that they are in

perfect working order.

1.1.2 When using the instrument

*Never exceed the protection limit values indicated in the specifications for each type

of measurement.

*When the instrument is connected to the measurement circuits, do not touch any

unused terminals.

*When repairing TVs or measuring on power switching circuits, there may be high-

amplitude voltage surges on the measuring points which can damage the instrument.

These surges can be attenuated by using a filtering probe.

Chapter I

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23Wattmeters

1.1.3 Symbols

The following symbols are used:

ATTENTION:Consult the manual.

Incorrect use may damage the instrument and endanger the user.

This appliance is protected by dual insulation or reinforced insulation. It does not

have to be connected to an earth protection terminal for electrical safety.

1.1.4 Instructions

*Before opening the instrument, disconnect if from all sources of electrical current and

from the measuring circuits; make sure that you are not charged with static electricity,

which could irreparably damage the instrument’s internal elements.

*The fuses must be replaced by models identical to those fitted originally.

*Adjustments, maintenance or repair work on the instrument must only be carried out

by qualified personnel. A “qualified person” is someone who is familiar with the

installation, the construction, the application and the dangers at hand. This person is

authorized to power up and power down the installation and equipment, in compliance

with safety regulations.

*In the event of faults or abnormal constraints, cut off the power to the instrument and

do not allow anyone to use it until it has been checked.

*It is advisable to remove the batteries if the instrument is not going to be used for a

long time.

1.2 Protective systems

This instrument is equipped with systems to protect it:

*1 fuse protects the input for the current measurements,

*the external moulding of the casing ensures that it is dustproof and waterproof in the

operating position.

1.3 Guarantee

This equipment is guaranteed against any material or manufacturing defects, in accordance

with the general conditions of sale.

During the warranty period (1 year), the instrument can only be repaired by the manufacturer,

who reserves the right to repair the instrument or to exchange all or part of it. If the

equipment is returned to the manufacturer, the outgoing transport costs are borne by the

customer.

The warranty is not applicable in the following cases:

1. improper use of the equipment or use of it in conjunction with incompatible equipment;

2. modifications to the equipment without the explicit authorisation of the manufacturer’s

technical department;

3. work carried out on the instrument by a person not approved by the manufacturer;

4. adaptation for a specific application, not included in the definition of the equipment or the

user’s manual;

5. knocks, falls or flooding.

Chapter I

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电话：010-62176775

24 Wattmeters

1.4 Repair and metrological verification

Information and address details available on request:

Tel. (33) (0)2.31.64.51.55 - Fax (33) (0)2.31.64.51.72

1.5 Unpacking - Repacking

All the equipment was checked mechanically and electronically before shipment.

Every precaution was taken to ensure that you receive the instrument undamaged.

It is a good idea however to check quickly to detect any damage that may have occurred

during transport.

If there is any damage, immediately notify the transporter of the customary reservations.

Caution! If you ship this instrument on elsewhere,use preferably the original

packaging and indicate the reasons for reshipment as clearly as possible

in a note enclosed with the equipment.

Note: Our products are patented in FRANCE and ABROAD.Our logos are

registered trade marks.

We reserve the right to modify the characteristics and prices should

technological advances make it necessary.

2. DESCRIPTION OF THE INSTRUMENT

The PX 110 and PX 120 wattmeters can be used to measure AC and DC power levels,

voltages and currents.They have been designed specifically for general and technical colleges,

installers and maintenance departments.

The PX 110 is a single-phase only wattmeter, while the PX 120 provides the possibility of

measuring three-phase power levels, but only three-phase with 3 balanced wires (T3FE);

both models enable measurement in all four quadrants.

These wattmeters give priority to reliability, robustness, safety, simplicity of use and rapidity

of implementation (automatic range change).

The two models have a two-way communication interface (optical head).

The two models measure:

- AC voltages from 500 mV to 600 V rms,

-DC voltages from 500 mV to 600 V,

- AC currents from 10 mA to 10 A,

-DC currents from 10 mA to 10 A,

-DC power levels up to 6 kW,

- AC active power levels up to 6 kW,

- AC reactive power levels up to 6 kVAR,

- AC apparent power levels up to 6 kVA

-the power factor.

The measurement range concerning the fundamental frequency is 40 to 70 Hz.

The bandwidth is 1 kHz (harmonics).

The AC and DC components are not dissociable (RMS values).

Chapter II

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25Wattmeters

2.1 Casing (see the diagrams at the beginning of this operating manual)

➀➀

➀Safety sockets for input of the currents to be measured

➁➁

➁Safety sockets for input of the voltages to be measured

➂➂

➂Control keys (5 for the PX 110 and 6 for the PX120)

ON / OFF Activation / shutdown

DISPLAYGives access to the various screens by successive presses

T3FE Gives access to measurement of the power and PF (power factor) in three-

phase mode with balanced wires , only on the PX 120 (short press)

HOLD Used to freeze the display of the values (short press)

SMOOTH Enables filtering of the values measured (short press)

INRUSH If pressed briefly, enables acquisition of the peak startup current for a

motor.

The RMS current value measured is maintained until a higher value is

measured or until you exit from the function.

➃➃

➃Housing of the optical communication head

On the back of the instrument, there are:

- The access hatch for replacing the batteries (see § 7.1)

- The stand enabling the instrument to be set up in a tilted position.

- The mains power supply option which is connected in place of the battery hatch.

2.2 Display

The liquid crystal display allows the display of

numeric values and the symbol of the

corresponding unit, as well as the symbols of

the different functions.

2.2.1 Digital display

This is made up of 3 display blocks (4

digits, 9,999 counts, 3 decimals and 1 sign

“-”) each with a specific assignment

depending on the function and

measurement mode selected.

If the measurement capacity is exceeded,

it is indicated by OL in the centre of the corresponding numeric display.

Upper display:

First screen: Displays the value of the voltage in V

Second screen:Displays the value of the reactive power in VAR or kVAR

Middle display:

First screen: Displays the value of the current in A

Second screen:Displays the value of the apparent power in VA or kVA

Lower display:

First screen:Displays the value of the active power in W or kW

Second screen:Displays the value of the power factor

PF:Indicates that the numeric value displayed in the power factor

HOLD

T3FE

SMOOTH

INRUSH

kVAR

kVA

Chapter II

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26 Wattmeters

2.2.2 Display of the function symbols

HOLD Indicates use of the corresponding key (see § 2.1)

SMOOTH Indicates use of the corresponding key (see § 2.1)

Indicates that communication is activated (see § 3.6)

T3FE Indicates use of the corresponding key for three-phase/balanced wires

measurement (only on PX 120)

Indicates that the remaining battery charge life is < 4 hours

INRUSH Indicates use of the corresponding key for peak start-up current measurement

(see § 2.3)

2.3. INRUSH function

This function can be used to follow rapid, damped sinusoidal evolution of the current by

measuring the successive RMS values calculated over a half-period and updated over a

half-period.

The applications are:

- Measurement of motor start-up currents

- Correct definition of fuses and circuit breakers (signal amplitude-time relationship)

- Stress on components by current overload

The field of application is limited to industrial frequencies (40 Hz... 70 Hz).

3. IMPLEMENTATION - FUNCTIONAL CHARACTERISTICS

The instrument is activated and shut down by pressing the ON/OFF key (long press for

shutdown); it shuts down automatically if it is not used for 10 minutes.

Input and output in each of the functions is performed by successive brief presses in the

keys concerned.

When the instrument is switched on, all the segments are lit up for 1 second.

Do not connect any voltages exceeding 600 V in relation to the earth

3.1. Reference conditions

The functional characteristics are guaranteed in the following reference ranges:

- Temperature: +23°C ± 3°C

- Humidity: 45% to 80% RH

- Supply voltage: 9 V ±0.1V

- Frequency range: DC, 50 Hz ±3 Hz sinusoidal (THD < 0.1%)

- DC magnetic field: < 40 A/m (earth field)

- No external AC magnetic field

- No electrical field

Note: There are reference conditions specific to each function: these will be indicated in

the characteristics of each function.

Chapter III

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27Wattmeters

3.2 Voltage measurements (V)

1. Press the ON/OFF key: the first screen appears

2. Connect the measurement leads to the instrument’s voltage measurement terminals (on

the right), complying with the polarities indicated: red lead on the “+”terminal and black

lead on the “COM”terminal.

3. Connect the assembly to the voltage source to be measured, making sure if possible that

this voltage does not exceed the maximum acceptable limits (see table below).

The upper digital display indicates the value of the voltage and the corresponding unit (V).

3.2.1 Specific reference conditions

DC: AC component < 0.1% of the DC signal

AC: Sinusoidal signal (THD < 0.1%)

3.2.2 Characteristics

Display range 600 V (1)

Measuring range 0.5...600 V

Accuracy for AC0.5% of reading ±2 counts

Accuracy for DC 1% of reading ±3 counts

Resolution 0.1 V

Display stability 5 cts in normal mode - 2 cts in SMOOTH mode

Repeatability of the measurement 0.2% typical

Display response time 500 ms in normal mode - 3 s in SMOOTH mode

Input impedance 1 MΩ

(1) Above 600 V +3%, the display indicates “OL”.

3.3 Current measurements (A)

1. Press the ON/OFF key: the first screen appears

2. Connect the measurement leads to the instrument’s current measurement terminals (on

the left), complying with the polarities indicated: red lead on the “+”terminal and black

lead on the “COM”terminal.

If the “Voltage” terminals are not connected, current measurement is possible but the

frequency taken by default is 50 Hz

3. Set up as shown in the diagram below, making sure if possible that the maximum

acceptable limits are not exceeded (see table below).

U U

Fig 3.3.1 Single-phase connection diagram

Note: Range switching is automatic.

Chapter III

北京海洋兴业科技股份有限公司（证券代码：839145）

电话：010-62176775

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