Meatest M133C User manual
M133C/133Ci Electric Power/Energy Calibrator
Operation manual
M133C Electric Power/Energy Calibrator MEATEST
3 Version 30 Operation manual
Content
1Basic information.......................................................................................................................5
2Preparation for operation..........................................................................................................6
2.1 Inspecting package contents, selecting the installation location ....................................6
2.2 Power-on..............................................................................................................................7
2.3 Warm-up time.....................................................................................................................8
2.4 Replacement of fuse............................................................................................................8
2.5 Safety precautions ..............................................................................................................9
3Description of controls.............................................................................................................10
3.1 Front panel........................................................................................................................10
3.2 Rear panel.........................................................................................................................15
4Control of the calibrator ..........................................................................................................16
4.1 Selection of function.........................................................................................................16
4.2 Setting the value of output signal....................................................................................17
4.3 Connection / disconnection of output terminals............................................................18
4.4 Generation of electric power ...........................................................................................20
Setting the power in modes Pdc Basic and Pac Basic...............................................................23
Setting the power in modes Pdc High I and Pac High I (Three phase version only)................25
Setting the power in modes Pdc Extended and Pac Extended..................................................25
Setting the power in P Harmonic mode (model M133C only) .................................................27
Setting the power in P Interharmonic mode (model M133C only)...........................................29
Setting the power in P Dip/Swell mode (model M133C only).................................................31
4.5 Generation of electric energy ..........................................................................................33
Setting the energy in modes Edc Basic and Eac Basic..............................................................37
Setting the power in modes Edc High I and Eac High I (Three phase version only)................38
4.6 Generation of calibrated voltage.....................................................................................38
Setting the voltage in modes Udc Basic and Uac Basic............................................................39
4.7 Generation of calibrated current....................................................................................39
Setting the current in modes Idc Basic and Iac Basic ...............................................................41
Setting the current in modes Idc High I and Iac High I (Three phase version only).................41
5Multimeter................................................................................................................................42
5.1 Function selection.............................................................................................................42
6Calibrator setup menu (Main menu) ......................................................................................43
6.1 General Menu ...................................................................................................................43
6.2 Interface Menu .................................................................................................................44
MEATEST M133C Electric Power/Energy Calibrator
Operation manual 4
6.3 Calibrator Menu...............................................................................................................45
6.4 Meter Menu.......................................................................................................................48
6.5 Calibration Menu..............................................................................................................48
7Calibration mode......................................................................................................................49
7.1 Calibration principles.......................................................................................................49
7.2 Access to the calibration procedure................................................................................50
7.3 Selection of calibration type.............................................................................................51
7.4 Full calibration procedure...............................................................................................56
8Error messages .........................................................................................................................60
9Maintenance.............................................................................................................................62
10 Verification test .....................................................................................................................64
11 System control .......................................................................................................................70
11.1 IEEE488 bus properties................................................................................................70
11.2 RS232 serial line setting................................................................................................70
11.3 Command syntax...........................................................................................................71
11.4 Standard Status Data Structures...............................................................................138
12 Specification........................................................................................................................142
13 Versions & Options.............................................................................................................148
14 Accessories...........................................................................................................................148
M133C Electric Power/Energy Calibrator MEATEST
5 Operation manual
1Basic information
M133C Three (single) phase power calibrator is a multifunction calibrator, to be used primarily as
a standard for calibration laboratories. It can be used for calibration of any measuring instrument
which measures voltage, current, power, energy, phase and frequency. The calibrator is equipped
with a built-in multimeter, which can be used simultaneously with output functions. Transducers
of various types, regulators and sensing units can be therefore checked without the need for
additional measuring instruments.
M133C model is equipped with special functions for power line voltage analyzers testing. It can
generate calibrated harmonic and interharmonic distortion, fluctuation harmonics, flickers, ramp
signals and others.
M133Ci model is delivered without the option of harmonic/interharmonic functions.
Basic features of the calibrator include generation of calibrated AC voltage in the range of 1 V
to 600 V and DC voltage in the range of 1 V to 280 V, DC and AC current in the range of 5 mA to
30 A. Phase shift for all outputs (3x voltage and 3x current) can be set independent for each
output. The best accuracy of the calibrator is 0.025 % for voltage and 0.035 % for current. Internal
ranges (voltage 10, 30, 70, 140, 280 V and 600 Vac, current 0.3, 1, 2, 5, 10 and 30 A) are suitable
for accurate testing of power transducers. Maximum frequency range is 15 Hz to 1000 Hz.
Internal multimeter with 20 mA, 10 V and 10 kHz (0.02 % accuracy) can be used to measure
normalized signals coming from transducers.
The calibrator includes many other features which facilitate easy use. For example the possibility
to save the actual setting into the internal memory, currently displayed uncertainty of the output
signal, calibration and testing procedures etc. The concept of calibrator control and indication of
its status is based on flat luminiscent display, which provides all necessary information. The
calibrator is controlled by opening menus on the display and selection from menus. Frequently
used functions are assigned direct-control keys. The calibrator comes with standard IEEE488 bus,
RS-232 serial line and Ethernet connector, which allow the calibrator to be controlled from a PC.
The calibrator can easily fit within calibration systems featuring Power software support.
Calibrator is available in Three or Single phase version. Both versions look the same. The only
difference is that the Single phase version doesn’t contain channels 2 and 3. Single phase version
can be upgraded to Three phase version by the manufacturer.
MEATEST M133C Electric Power/Energy Calibrator
Operation manual 6
2Preparation for operation
2.1 Inspecting package contents, selecting the installation location
Basic package includes the following items:
M133C
Power/Energy calibrator
Power cord
Spare fuse
Operational manual
Test report
Test cable 1000V/32A –12 pcs (Three phase version), 4 pcs (Single phase version)
RS232 cable
M133C-01 High Current Adapter (Three phase version only)
The calibrator should be powered by 230/115 V –50/60 Hz mains. It is a laboratory instrument
whose parameters are guaranteed at 232 oC. Before powering on the instruments, place it on a
level surface. Do not cover the vents at the bottom side and the fan opening at the rear panel.
M133C-01 High Current Adapter (Three phase version only)
Standard part of delivery the three-
phase power calibrator is the option
M133C-01. Using this adapter all
currrent outpus are connected in
parallel and the configuration can
deliver up to 90 A in signle phase
mode.
M133C Electric Power/Energy Calibrator MEATEST
7 Operation manual
2.2 Power-on
Before connecting the calibrator to the mains, check the position of the mains voltage selector
located at the rear panel.
Plug one end of the power cord into the connector located at the rear panel and connect the
other end of the power cord into a wall outlet.
Switch on the mains switch located at the rear panel. Flat display is lit.
The calibrator performs internal hardware checks for 5 seconds. Configuration of the
instrument is displayed in the end of this test (connected phase channels).
- phase unit is connected and ready
N.A. - phase unit is not connected
- phase is connected, but failed
After the tests conclude, the calibrator resets to its reference state, i.e. the following parameters
are set:
Function AC power Pac Basic
Voltage range 10 V
Set value 10 V
Current range 1 A
Set value 1 A
Phase 0º
Frequency 50 Hz
Output terminals OFF
GPIB address of the calibrator is factory-preset to 2. This value is valid until the user changes
it.
MEATEST M133C Electric Power/Energy Calibrator
Operation manual 8
2.3 Warm-up time
The calibrator works after it is switched on and the initial checks complete. Specified parameters
are only guaranteed after the instrument warms up for 60 minutes. During this period, the
instrument cannot be calibrated. The display shows “cannot access the calibration” message if
calibration is attempted during this period.
2.4 Replacement of fuse
The calibrator includes a fuse located in the mains connector at the rear panel. Replace the fuse as
follows:
Switch off the calibrator
Remove the end of power cord from the mains connector at the rear panel.
Insert the blade of a flat screwdriver into the opening cut in the mains voltage selector and pull
out the fuse holder.
Remove the fuse and replace it with new fuse of the same rating.
M133C Electric Power/Energy Calibrator MEATEST
9 Operation manual
2.5 Safety precautions
The instrument has been designed in Safety Class I according to EN 61010-1. The design reflects
the requirements of A2 amendment of the standard.
Safety is ensured by the design and by the use of specific component types.
The manufacturer is not liable for the damage caused by modification of the construction or
replacement of parts with non-original ones.
Safety symbols used on the equipment
Warning, reference to the documentation
Warning - risk of electric shock
Danger - high voltage
MEATEST M133C Electric Power/Energy Calibrator
Operation manual 10
3Description of controls
3.1 Front panel
The front panel of the calibrator includes a TFT color display, control buttons and output
terminals. The following picture shows the control part of the front panel.
1Display buttons
There are five buttons below the display, whose meaning changes depending on the contents of the
display. These buttons usually call-up the “local Menu” (units, modes, etc.).
2Cursor buttons
Using these buttons, the cursor can be controlled within allowed limits on the display. The
keyboard includes two buttons (<, >) which allow the cursor to be set to the required position at
the display. The cursor can be moved to the left or right. These buttons are usually used to step
through the options and to move from one option to another or between the menu levels. Numeric
values can be set in some control modes as well. In these cases, the buttons marked (, ) allow
the user to increase or decrease the number at the cursor button.
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