MTE CheckMeter 2.1 User manual

CheckMeter 2.1 Operation Manual_R02 08.2014

CheckMeter 2.1

Single-phase Portable Working Standard

for Testing of Electricity Meters

Operation Manual

CheckMeter 2.1 Operation Manual_R02 Page 2 of 52

MTE Meter Test Equipment AG

Landis + Gyr-Strasse 1

CH-6304 Zug

Switzerland

Phone: +41-41-508 39 39

Email: [email protected]

EMH Energie-Messtechnik GmbH

Vor dem Hassel 2

D-21438 Brackel

Germany

Phone: +49-4185-5857-0

Fax: +49-4185-5857-68

Email: [email protected]

The contents of this manual are

subject to change without notice.

All efforts have been made to ensure

the accuracy of this publication but

MTE Meter Test Equipment AG can

assume no responsibility for any errors Customs tariff number:

or their consequences 9030.3100

 CheckMeter 2.1 Operation Manual_R02 Page 1 of 52 
Content 
Safety ..................................................................................................................................3 
General.......................................................................................................................................4 
Connections and control elements ..........................................................................................5 
Start-up of the instrument.........................................................................................................8 
Operation principles..................................................................................................................9 
1 Cursor keys and enter key....................................................................................................9 
2 Keypad...............................................................................................................................10 
3 Menu Card (MC).................................................................................................................10 
4 Functional Button (FB)........................................................................................................10 
5 Status indications ...............................................................................................................11 
6 Data input...........................................................................................................................11 
7 Load / Save / Delete settings .....................................................................11 
Installation of the instrument.............................................................................13 
1 Basic settings of the instrument .................................................................................13 
1.1 Beeper setup......................................................................................................14 
Operation of the working standard ..........................................................15 
1 Basic settings of working standard.............................................................................15 
1.1 Current range selection.......................................................................................17 
1.2 Load / save settings............................................................................................18 
2 Meter testing..............................................................................................................18 
2.1 Measuring set-up.........................................................................................................21 
2.2 Edit error parameters..........................................................................................21 
2.3 Load / save error parameters..............................................................................23 
3 Measurement of load values......................................................................................24 
3.1 Harmonic Analysis..............................................................................................24 
3.2 Waveform display...............................................................................................25 
4 Vector diagram ..........................................................................................................26 
5 Energy measurement.................................................................................................28 
5.1 Edit counter parameters......................................................................................29 
5.2 Load/save counter parameters ...........................................................................30 
Storage of results ...........................................................................................................31 
1 Definition of administrative dataset (ADS)...........................................................................33 
1.1 Edit administrative dataset..................................................................................33 
1.2 Load / save administrative data ..........................................................................35 
2 Save results...............................................................................................................36 
3 View results...............................................................................................................37 
3.1 Examples of results for different dataset types ............................................................38 
4 Print results................................................................................................................40 
4.1 Layout of printout (option)............................................................................................40 
4.2 Printout example of external printer (option)................................................................43 

CheckMeter 2.1 Operation Manual_R02 Page 2 of 52

8.5 Delete results.............................................................................................................44

8.6 Data transfer over serial interface.......................................................................................44

9. Connection examples..............................................................................................................45

9.1 Testing of a single phase direct connected meter up to 100 A............................................45

9.2 Testing of a transformer operated meter.............................................................................47

Testing of a single phase three wire meter (ANSI Form 2S or Form 2A) .......................................48

9.3 Verification of the accuracy of the CheckMeter 2.1.............................................................50

10. Technical data......................................................................................................................51

CheckMeter 2.1 Operation Manual_R02 Page 3 of 52

1. Safety

The following symbol appears on the product and in the operation manual with the meaning:

Caution! Please consult the operation manual before using the in-

strument.

Failure to follow or carry out instructions preceded by this symbol may re-

sult in personal injury or damage of the device and the installation.

General precautions for use

To prevent electric shock:



This product has to be only used by qualified personnel practicing

applicable safety precautions.



Use caution during installation and use of this product; high voltages

and currents may be present in circuit under test.



Local safety regulations must be observed.

CheckMeter 2.1 Operation Manual_R02 Page 4 of 52

2. General

The CheckMeter 2.1 Portable Working Standard is a single-phase portable electronic meter test unit

of accuracy class 0.2, used for testing single electricity meters on site.

The unit can be used with an active error compensated clamp-on CT100A (Measuring range:

10 mA … 100 A / cable : max. 10 mm).

Advantages

•Precision test equipment for AC values in the 45 Hz to 66 Hz frequency range

•LCD display ¼ VGA (320 x 240 Pixels) with graphical user interface

•Wide measuring range with auto ranging

•Display of vector diagram for analysis of mains conditions and meter connections

•Measurements of wave forms and harmonics with display

•Easy detection of circuit connection faults

•Data memory for test results and customer data

•Small dimensions and light in weight

•Serial interface (RS 232) for data transfer

Functions

•Active, reactive and apparent energy measurement with integrated error calculator

•Impulse output for energy (galvanic isolated)

•Registration of active, reactive and apparent energy for register testing

•Active, reactive and apparent power measurements

•Current and voltage measurements

•Phase angle measurement

•Power factor measurement

•Frequency measurement

Options

•Software CALSOFT for memory readout, online data logging, presentation and printout of results

and customer data.

•1 clamp-on CT1000A (Measuring range: 100 mA … 120 A, cable : max. 52 mm

CheckMeter 2.1 Operation Manual_R02 Page 5 of 52

3. Connections and control elements

The various connections are accessible on the top and the bottom of the instrument. Operation may

be carried out via the integrated keyboard or through the serial interface.

Top view

[1]

Phase Connections for voltages U1

Connection: 4 mm red insulated socket

[2]

Neutral Connection for voltage N

Connection: 4 mm black insulated socket

LINE / Inputs 46V … 300V

CAT III 300V 47Hz … 63Hz

Attention! The voltage between voltage termi-

nals ([1], [2]) and to protecting earth shall not ex-

ceed 300 V, if the instrument is applied in meas-

urement category CAT III environment.

[3]

Connection for clamp-on current transformers

•1 active 100A error compensated clamp-on CT (Standard accessory)

•1clamp-on CT1000A (Measuring range: 100 mA … 120 A, cable : max. 52 mm)

(OPTION)

Connector type: 9 pole dedicated Redel socket, suitable for special MTE clamp-on cur-

rent transformers.

[4]

Impulse input / output

This input can be used for scanning heads (such as the SH 2003) and can also be used

to connect to retransmitting contacts of the device being tested.

The connector can also be configured as output (Pin 3: fout, Pin 4: GND) in the installa-

tion menu to calibrate the instrument with a higher class reference standard.

Connector type: 5 pole Lemo socket,

Pin 1 +11 to 13V (I<60mA) (DC supply to scanning head)

Pin 2 fin max. 100 Hz (slow input, anti-bounce)

Pin 3 fin max. 200 kHz (fast input) or fout max. 10 kHz

Pin 4 GND

Pin 5 screen

CheckMeter 2.1 Operation Manual_R02 Page 6 of 52

Front view

[5]

LCD display with 320 x 240 dots (1/4 VGA)

[6]

Menu card keys to change between menu cards.

[7]

Cursor keys to navigate in menus and for data input

[8]

Enter key to activate and cancel functions and data input.

[9]

Impulse key to enter impulses manually

[10]

Alphanumeric keypad

CheckMeter 2.1 Operation Manual_R02 Page 7 of 52

Bottom view

[11]

Supply voltage connection

Connection: EURO connector

Supply voltage connection

46 … 300 VAC, 47 … 63 Hz

[12]

RS232 serial line interface

Connection: 9 pole SUB-D connector

Pin 2 TxD

Pin 3 RxD

Pin 5 GND

Pin 7 CTS

Pin 8 RTS

CheckMeter 2.1 Operation Manual_R02 Page 8 of 52

4. Start-up of the instrument

Before start-up of the instrument carefully read the safety precautions in chapter

Examples of connections using the CheckMeter 2.1 for measurements on different types of devices

under test and for various connection modes are given in chapter 9.

Attention! Disconnect or switch off dangerous voltages in the measuring set-up during

connecting or disconnecting the CheckMeter 2.1 whenever possible. Regard local

safety regulations for connection of measuring instruments to the installation.

Steps to connect and disconnect the CheckMeter 2.1

Connect

Connect clamp-on CT at the CheckMeter 2.1

Connect scanning head SH 2003 or hand switch at the CheckMeter 2.1, if used.

Connect the supply of the CheckMeter 2.1:

Supply from auxiliary voltage

Use the standard two pole supply cable. The instrument will immediately power-up.

Supply from measuring voltage

The instrument is automatically supplied from measuring voltage U1-N, if no auxiliary voltage

is connected.

The instrument will power-up as soon as the measuring voltage is present.

Attention! The supply voltage of auxiliary source or measuring voltage must al-

ways be in the range: 46 to 300 V, 47 to 63 Hz. Higher voltages may damage the

instrument.

Connect voltage cables first at CheckMeter 2.1 and then at measuring set-up.

Fix clamp-on CT on wire of measuring set-up.

Disconnect

Remove clamp-on CT from wire of measuring set-up.

Disconnect voltage cables first at measuring set-up and then at CheckMeter 2.1

Disconnect supply to CheckMeter 2.1:

a) Disconnect from auxiliary voltage supply

b) Remove connections for supply from measuring voltage

Disconnect scanning head SH 2003 or hand switch at CheckMeter 2.1, if used.

Disconnect clamp-on CT at CheckMeter 2.1.

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