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Meatest M133C Operation Manual

Electric power/energy calibrator
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M133C/133Ci
Electric Power/Energy Calibrator
Operation manual

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Summary of Contents for Meatest M133C

  • Page 1 M133C/133Ci Electric Power/Energy Calibrator Operation manual...

  • Page 3: Table Of Contents

    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) ..........
  • Page 4 M133C Electric Power/Energy Calibrator MEATEST Calibrator Menu ....................... 45 Meter Menu ........................48 Calibration Menu......................48 Calibration mode ........................49 Calibration principles ....................... 49 Access to the calibration procedure ................50 Selection of calibration type ..................... 51 Full calibration procedure ....................56 Error messages .........................

  • Page 5: Basic Information

    MEATEST 1 Basic 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.

  • Page 6: Preparation For Operation

     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 232...

  • Page 7: Power-On

    M133C Electric Power/Energy Calibrator MEATEST 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.

  • Page 8: Warm-Up Time

    M133C Electric Power/Energy Calibrator MEATEST 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.

  • Page 9: Safety Precautions

    M133C Electric Power/Energy Calibrator MEATEST 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.

  • Page 10: Description Of Controls

    M133C Electric Power/Energy Calibrator MEATEST 3 Description of controls 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. 1 Display buttons There are five buttons below the display, whose meaning changes depending on the contents of the display.
  • Page 11 M133C Electric Power/Energy Calibrator MEATEST The central button is used to select value you want to change (TAB). 3 Rotary knob The rotary knob integrates several functions. By turning the knob to the left or right, the user can:  step through the options ...
  • Page 12 M133C Electric Power/Energy Calibrator MEATEST 7 Display The display is divided to three horizontal sections: A. Information line  Selected function (Pac Basic – Power AC basic mode)  Date and time  Remote control state (Local – keyboard, Remote – computer) B.
  • Page 13 M133C Electric Power/Energy Calibrator MEATEST 4. Outputs state Window displays which phase units are connected (one phase to three phase), which terminals are used for signal generation and also informs about output voltage higher than 50V. Symbols displayed in window: - warning, displayed if output voltage is higher or equal 50V.
  • Page 14 M133C Electric Power/Energy Calibrator MEATEST 10 Current output Current outputs HI and LO terminals (three phases L1, L2 and L3). 11 Voltage output Voltage outputs HI and LO terminals (three phases L1, L2 and L3). 12 Meter input Input terminals for internal multimeter. The COM terminal is common for all measuring. The V terminal is for DC voltage (10V) and frequency (10kHz) measuring.

  • Page 15: Rear Panel

    M133C Electric Power/Energy Calibrator MEATEST Rear panel Rear panel includes ventilation holes, power cord socket, power line fuse, power line voltage selector 115/230V, fuse for internal multimeter, interface connectors GPIB, RS232 and RJ45, BNC outputs connectors and metal central ground terminal.

  • Page 16: Control Of The Calibrator

    M133C Electric Power/Energy Calibrator MEATEST 4 Control of the calibrator Selection of function After the power is switched on and the initial checks complete, the calibrator resets to its reference state: Function: Pac Basic Voltage: Current: 0° Phase: Frequency: 50Hz...

  • Page 17: Setting The Value Of Output Signal

    M133C Electric Power/Energy Calibrator MEATEST Setting the value of output signal Edit mode Parameters of output signal can be changed in Edit mode. Only parameters displayed in blue color can be changed. Display can be switched to edit mode in different ways: Pressing numeric button Pressing „Sel“...

  • Page 18: Connection / Disconnection Of Output Terminals

    M133C Electric Power/Energy Calibrator MEATEST  To get to the default screen, press „Exit“ button. All values can be set using the buttons or the rotary knob. Entry of the value using the rotary knob  Press the rotary knob. The display now includes cursor marks which points to the active digit.
  • Page 19 M133C Electric Power/Energy Calibrator MEATEST are not grounded (GndI Off). Calibrator disconnects output terminals, grounds the current terminals and displays following message: Grounding state of current outputs will be recovered according to the Setup Menu automatically as soon as the voltage will drop below 280V.

  • Page 20: Generation Of Electric Power

    M133C Electric Power/Energy Calibrator MEATEST Generation of electric power The calibrator can generate exact value of electric power and energy. Power function modes provides output voltage at VOLTAGE OUTPUT HI – LO terminals and output current at CURRENT OUTPUT HI – LO terminals. Depending on the setting of the calibrator, voltage up to 600 Vef can be present at the terminals.
  • Page 21 M133C Electric Power/Energy Calibrator MEATEST Power factor polarity (Lead/Lag softkey) In case that phase shift between voltage and current is expressed as power factor you can change its polarity using „Lead/Lag“ softkey. The Lead polarity presents capacity load (current before voltage).
  • Page 22 Main menu (1, 2 or 3). High I Pac High I In this mode current outputs of all channels are connected in parallel (using the M133C-01 High Current Adapter). Current range is increased three times. Extended Parameters for all calibrators outputs (3x voltage, 3x current) Extended can be set quite independently in this mode.

  • Page 23: Setting The Power In Modes Pdc Basic And Pac Basic

    M133C Electric Power/Energy Calibrator MEATEST Use „Mode“ softkey to open the mode selection menu. Select the required mode using cursor buttons or the rotary knob. Confirm the selection by pressing the rotary knob or the “Select” softkey. Output terminals are disconnected if the new mode is selected.
  • Page 24 M133C Electric Power/Energy Calibrator MEATEST Setting the current  The main power value can be changed by changing the current.  Repeatedly press the “Sel” button (in the middle of cursor buttons) until the current value appears in edit mode (blue background).

  • Page 25: Setting The Power In Modes Pdc High I And Pac High I (Three Phase Version Only)

    M133C Electric Power/Energy Calibrator MEATEST Setting the power in modes Pdc High I and Pac High I (Three phase version only) In this mode current outputs of all channels are connected in parallel using optional adapter. Current range is increased three times.
  • Page 26 M133C Electric Power/Energy Calibrator MEATEST  The value can be set using numeric keyboard and confirmed by pressing V (mA, A) softkey. The value can be set using cursor buttons or rotary knob as well.  Main power value is recalculated using new amplitude.

  • Page 27: Setting The Power In P Harmonic Mode (Model M133C Only)

     The value can be set using numeric keyboard and confirmed by pressing Hz softkey. The value can be set using cursor buttons or rotary knob as well. Setting the power in P Harmonic mode (model M133C only) Mode is used for generation harmonic signal composed of up to 50 harmonic components. All components can be defined independently for all outputs (3x voltage, 3x current).
  • Page 28 M133C Electric Power/Energy Calibrator MEATEST Setting the phase  Repeatedly press the “Sel” button (in the middle of cursor buttons) until the phase value appears in edit mode (blue background).  The value can be set using numeric keyboard and confirmed by pressing ° softkey. The value can be set using cursor buttons or rotary knob as well.

  • Page 29: Setting The Power In P Interharmonic Mode (Model M133C Only)

     All harmonic components are modulated by modulation signal.  Frequency of modulation signal is determinated by parameter „Modulation“. Setting the power in P Interharmonic mode (model M133C only) Mode is used for generation signal composed of fundamental harmonic and one interharmonic component.
  • Page 30 M133C Electric Power/Energy Calibrator MEATEST Pressing „Info“ button displays informative window. There is displayed used range for every output. Value of used range is important for uncertainty calculation, because the uncertainty is not displayed in P Interharmonic mode. Internal multimeter is not available in P Interharmonic mode.

  • Page 31: Setting The Power In P Dip/Swell Mode (Model M133C Only)

    M133C Electric Power/Energy Calibrator MEATEST Setting the power in P Dip/Swell mode (model M133C only) Mode is used for generation dips or swells on the output signal. All parameters can be defined independently for all outputs (3x voltage, 3x current).
  • Page 32 M133C Electric Power/Energy Calibrator MEATEST Setting the amplitude (RMS value) of voltage (current)  Repeatedly press the “Sel” button (in the middle of cursor buttons) until the voltage (current) value appears in edit mode (blue background).  The value can be set using numeric keyboard and confirmed by pressing V (mA, A) softkey.

  • Page 33: Generation Of Electric Energy

    M133C Electric Power/Energy Calibrator MEATEST Generation of electric energy The calibrator can generate exact value of electric power and energy. Energy function modes provides output voltage at VOLTAGE OUTPUT HI – LO terminals and output current at CURRENT OUTPUT HI – LO terminals. Depending on the setting of the calibrator, voltage up to 600 Vef can be present at the terminals.
  • Page 34 M133C Electric Power/Energy Calibrator MEATEST * energy counting method (control mode) * uncertainty of energy and deviation  Set desired energy parameters using numeric keyboard, rotary knob or cursor buttons. Output power is not yet connected to the output terminals.
  • Page 35 M133C Electric Power/Energy Calibrator MEATEST There are different ways how to control the energy dose counting. Packet (Time counting) The simplest (but less accurate) way is to count the time. Counter / Timer (Pulse counting) The other way is to count pulses from energy meter. This method is called „rolling start“ method.
  • Page 36 Number of active channels can be defined in Main menu (1, 2 or 3). High I Eac High I In this mode current outputs of all channels are connected in parallel (using the M133C-01 High Current Adapter). Current range is increased three times. DC energy Mode...

  • Page 37: Setting The Energy In Modes Edc Basic And Eac Basic

    M133C Electric Power/Energy Calibrator MEATEST Setting the energy in modes Edc Basic and Eac Basic The calibrator allows several ways of setting the value of generated energy. Setting the voltage  The energy (power) value can be changed by changing the voltage.

  • Page 38: Setting The Power In Modes Edc High I And Eac High I (Three Phase Version Only)

    Setting the power in modes Edc High I and Eac High I (Three phase version only) In this mode current outputs of all channels are connected in parallel (using the M133C-01 High Current Adapter). Current range is increased three times.

  • Page 39: Setting The Voltage In Modes Udc Basic And Uac Basic

    M133C Electric Power/Energy Calibrator MEATEST  Set desired value of voltage using numeric keyboard, potentiometer or cursor buttons. Output voltage is not yet connected to the output terminals.  Connect the instrument to be calibrated to VOLTAGE OUTPUT HI-LO.  Press ON button.
  • Page 40 AC current basic mode. Only first channel 1 is controlled in this mode. High I Iac High I In this mode current outputs of all channels are connected in parallel (using the M133C-01 High Current Adapter). Current range is increased three times. Operation manual...

  • Page 41: Setting The Current In Modes Idc Basic And Iac Basic

    Setting the current in modes Idc High I and Iac High I (Three phase version only) In this mode current outputs of all channels are connected in parallel (using the M133C-01 High Current Adapter). Current range is increased three times.

  • Page 42: Multimeter

    M133C Electric Power/Energy Calibrator MEATEST 5 Multimeter The calibrator includes a built-in multimeter which can measure DC voltage, DC current and frequency. Measured signal must be connected to the “METER INPUT” terminals. Terminals mA, COM are for current measurements. Terminals V, COM are for voltage and frequency measurements.

  • Page 43: Calibrator Setup Menu (Main Menu)

    M133C Electric Power/Energy Calibrator MEATEST 6 Calibrator setup menu (Main menu) The calibrator allows many other, less frequently used parameters to be set. Setup menu is used to set these parameters. Setup menu is opened by pressing MENU button. If output terminals are connected, they will be disconnected and the following display appears: Use ...

  • Page 44: Interface Menu

    M133C Electric Power/Energy Calibrator MEATEST 3. Beeper This parameter enables / disables the signalization of pressed key. Possible states are „Beep On“ and „Beep Off“. Press the Select softkey or press in on the rotary knob to set the selected state.

  • Page 45: Calibrator Menu

    M133C Electric Power/Energy Calibrator MEATEST 4. Ethernet settings Unique fix IP address. * IP address * Local network mask * Local network gateway Calibrator Menu Submenu contains parameters that affect generated signal. 1. Voltage sources GND This parameter allows to connect Lo terminals of all voltage channels to GND. In practice this means that Lo voltage terminals are grounded.
  • Page 46 M133C Electric Power/Energy Calibrator MEATEST 5. 280V range lock OFF position (default state) 140V range is used for values between 70.001V and 140.000V 280V range is used for values between 140.001V and 280.000V ON position 280V range is used for values between 70.001V and 280.000V Feature is active for single harmonic modes only.
  • Page 47 M133C Electric Power/Energy Calibrator MEATEST 10. Energy Submenu contains parameters that affect Energy generation. 8.1. Energy units Sets the unit used for energy. By selecting an item from the list Ws and Wh unit can be selected. 8.2. Energy - output Contains parameters for setting the energy pulse output (BNC connector on the rear panel).

  • Page 48: Meter Menu

    M133C Electric Power/Energy Calibrator MEATEST 9.1. Dip-Swell repetition Sets the repetition of Dip/Swell shape in P Dip/Swell mode. By selecting an item from the list One Shot (without repetition) and Repeat can be repetiotion selected. If Repeat is selected, Dip/Swell shape is generated after trigger repeatedly until disconnecting output terminals.

  • Page 49: Calibration Mode

    DC current (Current DC#x) calibration is performed by setting 2 fixed points for all current ranges and for both polarities (+ and -). AC modulation voltage (Voltage MOD#x, model M133C only) calibration is performed by setting 2 fixed points for all voltage ranges. The frequency is 55 Hz. This calibration values are used in P Harmonic and P Interharmonic function modes.

  • Page 50: Access To The Calibration Procedure

    M133C Electric Power/Energy Calibrator MEATEST Access to the calibration procedure Calibration password is required to access the calibration procedure.  Press Menu to open the Main menu.  Select the Calibration submenu and press the „Select“ softkey.  Calibrator requests the entry of the calibration password.

  • Page 51: Selection Of Calibration Type

    M133C Electric Power/Energy Calibrator MEATEST Every item from the list above has following submenu:  Voltage AC# x - AC voltage calibration  Current AC# x - AC current calibration  Voltage DC# x - DC voltage calibration  Current DC# x - DC current calibration ...
  • Page 52 M133C Electric Power/Energy Calibrator MEATEST Softkeys have the following meaning: Write new calibration value is entered into the memory, old value is lost. The calibrator returns to the previous menu. Skip current calibration step is skipped, old value is retained in the memory. The calibrator returns to the previous menu.
  • Page 53 M133C Electric Power/Energy Calibrator MEATEST Voltage AC function (Voltage AC#x) Nominal value [V] Set limits [V] Range [V] 100 u 500 u 15 m 15 m 40 m 40 m Table AC voltage Current AC function (Current AC#x) Nominal value[A]...
  • Page 54 M133C Electric Power/Energy Calibrator MEATEST Current DC function (Current DC#x) Nominal value [A] Set limits [A] Range [A] 30 m 10 u 300 m 300 m 15 u 300 m -30 m 10 u -300 m -300 m 15 u...
  • Page 55 M133C Electric Power/Energy Calibrator MEATEST Current AC modulation function (Current MOD#x) Nominal value[A] Set limits[A] Range [A] 30 m 10 u 300 m 300 m 15 u 300 m 300 m 30 u 50 u 100 u 100 u 200 u...

  • Page 56: Full Calibration Procedure

     81/2 digit multimeter type HP3458A or Fluke 8508A, or other type with accuracy 0.001 % on DC voltage  Calibrator Meatest M142 or M140 with DC ranges 10V, 20mA a AC range 10V / 10kHz.  Resistance shunt 10 m, 100 m Burster 1280, or other type with accuracy 0.01% ...
  • Page 57 M133C Electric Power/Energy Calibrator MEATEST AC current ranges calibration Select Current AC#1 from the calibration menu and confirm by pressing Select softkey. Set the same function on external multimeter. Follow the instructions provided on the calibrator’s display and the ACI table to adjust the calibrator’s output in the calibration points.
  • Page 58 10 kHz frequency range. External calibrator of higher precision class should be used to calibrate the built-in multimeter (Meatest M142). If accurate external calibrator is not available an 81/2 digit multimeter is recommended for calibration. 10 V DC voltage range calibration ...
  • Page 59 M133C Electric Power/Energy Calibrator MEATEST  Connect external voltage 10 V to the calibrator input terminals METER INPUT V- COM. Exact value can be measured by paralel standard voltmeter.  Adjust main value on the display. It should be equal to the value measured by standard multimeter.

  • Page 60: Error Messages

    M133C Electric Power/Energy Calibrator MEATEST 8 Error messages If an error occurs during the calibrator’s operation or control, error message is displayed on the display. Errors can be caused by:  Incorrect control using the front panel, i.e. attempts to force a prohibited mode, e.g. setting an out-of-range value, overloading of output terminals etc.,...
  • Page 61 M133C Electric Power/Energy Calibrator MEATEST contains valid ASCII character. Remote interface error. Received command doesn’t -140 Character data contain valid character parameter. Remote interface error. Received command doesn’t -120 Numeric data contain valid numeric parameter. Remote interface error. Received command isn’t valid.

  • Page 62: Maintenance

    M133C Electric Power/Energy Calibrator MEATEST 9 Maintenance The multifunction calibrator is electronic instrument with microprocessor control. All blocks which are heavily loaded during the operation are cooled by a fan. Rules for correct operation Especially the following rules should be adhered to guarantee correct operation of the calibrator: ...
  • Page 63 M133C Electric Power/Energy Calibrator MEATEST What to do in case of failure If an obvious failure occurs during the operation (e.g. the display is not lit, the fan is not turning), the calibrator must be switched off immediately. First, check the fuse located in the power cord receptacle.

  • Page 64: Verification Test

     81/2 digit multimeter type HP3458A or Fluke 8508A, or other type with accuracy 0.01 % on AC voltage  Multifuntion calibrator MEATEST M142 or M140 with DCranges 10V, 20mA and AC range 10V / 15kHz.  resistance shunt 10 m, 100 m Burster 1280, or other type with accuracy 0.01% with known AC/DC difference to 1 kHz ...
  • Page 65 M133C Electric Power/Energy Calibrator MEATEST Performance verification may be performed after warm-up period i.e. 1 hour after switching on. Calibrator have to be in temperature stabilize condition at minimum 8 hours before performance verification test is started. Basic steps of the performance verification test Verification procedure consists of following steps: ...
  • Page 66 M133C Electric Power/Energy Calibrator MEATEST 7. Perform AC/DC power test according to the table VIII. Deviations should not exceed specified limits. 8. Connect output voltage terminals of the calibrator to the counter. Set output voltage 5 VAC, frequency 1 kHz.
  • Page 67 M133C Electric Power/Energy Calibrator MEATEST Tables of limits 30 V DC Basic range with linearity test Function Range Value (V) Frequency (Hz) Deviation allowed (mV) V-DC 30.0 12.0 V-DC 30.0 14.0 V-DC 30.0 16.0 V-DC 30.0 18.0 V-DC 30.0 20.0 V-DC 30.0...
  • Page 68 M133C Electric Power/Energy Calibrator MEATEST AC voltage test Function Range Value (V) Frequency (Hz) Deviation allowed (mV) V-AC 10 V 10.0 V-AC 30 V 30.0 V-AC 30 V 30.0 V-AC 30 V 30.0 V-AC 30 V 30.0 1000 V-AC 70 V 70.0...
  • Page 69 M133C Electric Power/Energy Calibrator MEATEST AC current test Function Range Value (A) Frequency (Hz) Deviation allowed (µA) A-AC 300.0 mA 105 μ A-AC 350 μ A-AC 500 μ A-AC 800 μ A-AC 1.75 m A-AC 10.0 10.0 4.5 m A-AC 30.0...

  • Page 70: System Control

    M133C Electric Power/Energy Calibrator MEATEST 11 System control The calibrator is equipped with RS232 serial line, IEEE488 bus and the TCP/IP Ethenet connection. System connectors are located at the rear panel. For the remote control to work properly, interface parameters must be set in the system menu. For RS232 line communication speed can be set (1200 to 115200 Bd).

  • Page 71: Command Syntax

    M133C Electric Power/Energy Calibrator MEATEST Cable between the calibrator and PC (configuration 1:1) D-Sub 1 D-Sub 2 Calibrator Receiver Transmitter Transmitter Receiver Ground Ground Note: It is not possible to send or receive data over RS232 or Ethernet when the calibrator is not in remote mode.
  • Page 72 M133C Electric Power/Energy Calibrator MEATEST <SPD> = String Program Data. String value consisting from more parts. It is used for date/time setting. A flag indicating a request for the value of the parameter specified by the command. No other parameter than the question mark can be used.
  • Page 73 M133C Electric Power/Energy Calibrator MEATEST INPut subsystem This subsystem enables to change parameters of calibrator inputs. Keyword Parameters INPut :FILTer (?) <CPD> { OFF | ON | 0 | 1 } :PULLup (?) <CPD> { OFF | 150 | 1K } INP:FILT (?) <CPD>...
  • Page 74 M133C Electric Power/Energy Calibrator MEATEST :MVOLtage(?) <CPD> { OFF | ON | 0 | 1 } :REFerence :UNIT(?) <CPD> { W | VA | VAR } :PULLup(?) <CPD> { 0 | 1 } :CONStant(?) <DNPD> :MHARmonics :UNIT(?) <CPD> { PRMS | PFUN } :CONFiguration(?) <CPD>...
  • Page 75 M133C Electric Power/Energy Calibrator MEATEST This command sets the method used to specify the phase shift between the output voltage and current.  DEG activates a mode where all entries are done using the angle, „“ in the range of 0.0 –...
  • Page 76 M133C Electric Power/Energy Calibrator MEATEST OUTP:ENER:UNIT(?) <CPD> { WS | WH } This command sets unit used for energy.  WS - energy is displayed in Ws, VAs, VArs  WH - energy is displayed in Wh, VAh, VArh Energy unit remains valid even after the calibrator is switched off and back on.
  • Page 77 M133C Electric Power/Energy Calibrator MEATEST OUTP:REF:UNIT(?) <CPD> { W | VA | VAR } This command defines unit of constant for pulses generated on Energy pulse output. <CPD> If query is sent, calibrator returns selected unit. Example: OUTP:REF:UNIT VAR <cr> - sets energy pulse output unit VAR OUTP: REF:UNIT? <cr>...
  • Page 78 M133C Electric Power/Energy Calibrator MEATEST MEASure a CONFigure subsystem This subsystem allows controling the internal multimeter. Keyword Parameters MEASure? CONFigure(?) <CPD> { VOLTage | CURRent | FREQuency } MEAS? This query returns value measured by the multimeter. calibrator returns the set value of power using standard exponential format. Example: 5.456 V is returned as 5.456000e+000.
  • Page 79 M133C Electric Power/Energy Calibrator MEATEST :VOLTage(?) <DNPD> :CURRent(?) <DNPD> :PACI :POWer(?) <DNPD> [:POWer] :UNIT(?) <CPD> { W | VA | VAR } :VOLTage(?) <DNPD> :CURRent(?) <DNPD> [:CURRent] :PHASe(?) <DNPD> :POLarity(?) <CPD> { LEAD | LAG } :FREQuency(?) <DNPD > :PDCI :POWer(?) <DNPD>...
  • Page 80 M133C Electric Power/Energy Calibrator MEATEST :PHASe(?) <DNPD> :MODulation(?) <DNPD> :SHAPe(?) <CPD> { SIN | RECT | OFF } :DUTY(?) <DNPD> :FREQuency(?) <DNPD > :MODulation(?) <DNPD > :PIH :VOLTage<n>(?) <DNPD> :PHASe(?) <DNPD> :ENABle(?) <CPD> { ON | OFF } :IHARmonic(?) <DNPD>...
  • Page 81 M133C Electric Power/Energy Calibrator MEATEST :CONTrol(?) <CPD> { PACK | CNT1 | CNT2 | TIM1 | TIM2 | FR1 | FR2 | FR3 } :TEST :TIME(?) <DNPD> :COUNt(?) <DNPD> :FREQ? <DNPD> :WUP :TIME(?) <DNPD> :COUNt(?) <DNPD> :EDC :ENERgy? :DEViation? :POWer? :VOLTage(?) <DNPD>...
  • Page 82 M133C Electric Power/Energy Calibrator MEATEST :DEViation? :POWer? :VOLTage(?) <DNPD> :CURRent(?) <DNPD> :CONStant(?) <DNPD> :TIME(?) <DNPD> :CONTrol(?) <CPD> { PACK | CNT1 | CNT2 | TIM1 | TIM2 | FR1 | FR2 | FR3 } :TEST :TIME(?) <DNPD> :COUNt(?) <DNPD> :FREQ? <DNPD>...
  • Page 83 M133C Electric Power/Energy Calibrator MEATEST [SOUR]:MODE? This command returns selected mode of the calibrator { PAC | PDC | PACI | PDCI | PACE | PDCE | PHAR | PIH | PDIP | EAC | EDC | EACI | EDCI | VAC | VDC | CAC | CDC | CACI | CDCI }.
  • Page 84 M133C Electric Power/Energy Calibrator MEATEST This command selects units for power in the Power AC mode. If query is sent, calibrator returns actual units in Power AC mode. Example: Select unit W for Power AC mode: PAC:UNIT W Note: Command switches the calibrator in Power AC mode.
  • Page 85 M133C Electric Power/Energy Calibrator MEATEST If query is sent, calibrator returns the set value of the phase shift between the output voltage and current using standard exponential format. Example: 156.3  is returned as 1.563000e+002. Example: PAC:PHAS 250.2 - sets 250.2 phase shift between the output voltage and current (PHAS:UNIT=DEG) PAC:PHAS? - the calibrator returns 2.502000e+002...
  • Page 86 M133C Electric Power/Energy Calibrator MEATEST <DNPD> Parameter represents the value of the power expressed in W. If query is sent, calibrator returns the set value of power using standard exponential format. Example: 100.60 W is returned as 1.006000e+002. Example: DC power 1000W:...
  • Page 87 M133C Electric Power/Energy Calibrator MEATEST <DNPD> Parameter represents the value of the power expressed in actual units (W, VA, VAr). If query is sent, calibrator returns the set value of power using standard exponential format. Example: 100.60 W is returned as 1.006000e+002.
  • Page 88 M133C Electric Power/Energy Calibrator MEATEST Example: Current 23.05A: PACI:CURR 23.05 Note: Command switches the calibrator in Power AC high current mode. [SOUR]:PACI[:CURR]:PHAS(?) <DNPD> This command sets the phase angle between voltage and current. <DNPD> Represents the phase angle between the output voltage and current in degrees (PHAS:UNIT=DEG), or specified as a value of the power factor (PHAS:UNIT=COS).
  • Page 89 M133C Electric Power/Energy Calibrator MEATEST If query is sent, calibrator returns the value of frequency using standard exponential format. Example: 50Hz is returned as 5.000000e+001. Example: Frequency 60Hz: PACI:FREQ 60 Notes: Command switches the calibrator in Power AC high current mode.
  • Page 90 M133C Electric Power/Energy Calibrator MEATEST If query is sent, calibrator returns the value of output current using standard exponential format. Example: 11.012 A is returned as 1.101200e+001. Example: Current 23.05A: PDCI:CURR 23.05 Note: Command switches the calibrator in Power DC high current mode.
  • Page 91 M133C Electric Power/Energy Calibrator MEATEST [SOUR]:PACE:VOLT<n>:PHAS(?) <DNPD> This command sets the phase angle between voltage output in channel <n> and internal reference phase. <DNPD> Represents the phase angle in degrees. If query is sent, calibrator returns the set value of the phase angle using standard exponential format.
  • Page 92 M133C Electric Power/Energy Calibrator MEATEST [SOUR]:PACE:CURR<n>:PHAS(?) <DNPD> This command sets the phase angle between current output in channel <n> and internal reference phase. <DNPD> Represents the phase angle in degrees. If query is sent, calibrator returns the set value of the phase angle using standard exponential format.
  • Page 93 M133C Electric Power/Energy Calibrator MEATEST [SOUR]:PDCE:POW? This command sets the power value in Power DC extended mode. This query returns the set value of power using standard exponential format. Example: 100.60 W is returned as 1.006000e+002. Note: Query switches the calibrator in Power DC extended mode.
  • Page 94 M133C Electric Power/Energy Calibrator MEATEST <DNPD> Parameter represents the value of the output current expressed in A. <n> Parameter represents the output channel (1, 2 or 3). If query is sent, calibrator returns the value of output current using standard exponential format.
  • Page 95 M133C Electric Power/Energy Calibrator MEATEST Example: Voltage 230.5V in channel 1: PHAR:VOLT1 230.5 Note: Command switches the calibrator in Power Harmonic mode. [SOUR]:PHAR:VOLT<n>:PHAS(?) <DNPD> This command sets the phase angle between voltage output in channel <n> and internal reference phase.
  • Page 96 M133C Electric Power/Energy Calibrator MEATEST <y> Parameter represents the harmonic order (1 to 50). Number 1 is for query only. If query is sent, calibrator returns the level of the harmonic order using standard exponential format. Example: 10% is returned as 1.000000e+001.
  • Page 97 M133C Electric Power/Energy Calibrator MEATEST [SOUR]:PHAR:VOLT<n>:MOD:SHAP(?) <CPD> { SIN | RECT | OFF } This command sets type of modulation for voltage output in channel <n>. <CPD>  SIN – modulation using sinusoidal wave shape  RECT – modulation using rectangular wave shape ...
  • Page 98 M133C Electric Power/Energy Calibrator MEATEST [SOUR]:PHAR:CURR<n>:PHAS(?) <DNPD> This command sets the phase angle between current output in channel <n> and internal reference phase. <DNPD> Represents the phase angle in degrees. If query is sent, calibrator returns the set value of the phase angle using standard exponential format.
  • Page 99 M133C Electric Power/Energy Calibrator MEATEST Example: Set harmonic order 2 to 5.3% in voltage channel 1: PHAR:CURR1:HARM2 5.3 Note: Command switches the calibrator in Power Harmonic mode. [SOUR]:PHAR:CURR<n>:HARM<y>:PHAS(?) <DNPD> This command sets the phase shift of <y> harmonic component in channel <n>...
  • Page 100 M133C Electric Power/Energy Calibrator MEATEST <CPD>  SIN – modulation using sinusoidal wave shape  RECT – modulation using rectangular wave shape  OFF - disables modulation If query is sent, calibrator returns SIN, RECT or OFF. Example: PHAR:CURR1:MOD:SHAP SIN Note: Command switches the calibrator in Power Harmonic mode.
  • Page 101 M133C Electric Power/Energy Calibrator MEATEST If query is sent, calibrator returns the value of modulation frequency using standard exponential format. Example: 5Hz is returned as 5.000000e+000. Example: Modulation frequency 5.3Hz: PHAR:FREQ:MOD 5.3 Notes: Command switches the calibrator in Power Harmonic mode.
  • Page 102 M133C Electric Power/Energy Calibrator MEATEST PIH:VOLT2:PHAS 120 PIH:VOLT3:PHAS 240 Note: Command switches the calibrator in Power Interharmonic mode. [SOUR]:PIH:VOLT<n>:ENAB(?) <CPD> { ON | OFF } This command enables (disables) the voltage output in channel <n>. Disabled outputs are OFF also during OUTP ON.
  • Page 103 M133C Electric Power/Energy Calibrator MEATEST Example: Voltage 23.05V in channel 1: PIH:CURR1 23.05 Note: Command switches the calibrator in Power Interharmonic mode. [SOUR]:PIH:CURR<n>:PHAS(?) <DNPD> This command sets the phase angle between current output in channel <n> and internal reference phase.
  • Page 104 M133C Electric Power/Energy Calibrator MEATEST Example: Interharmonic component 2.305A in channel 1: PIH:CURR1:IHAR 2.305 Note: Command switches the calibrator in Power Interharmonic mode. [SOUR]:PIH:FREQ(?) <DNPD> This command sets the frequency in Power Interharmonic mode. <DNPD> Parameter represents the value of frequency expressed in Hz.
  • Page 105 M133C Electric Power/Energy Calibrator MEATEST This command sets the output voltage value in channel <n> <DNPD> Parameter represents the value of the output voltage expressed in V. <n> Parameter represents the output channel (1, 2 or 3). If query is sent, calibrator returns the value of output voltage using standard exponential format.
  • Page 106 M133C Electric Power/Energy Calibrator MEATEST [SOUR]:PDIP:VOLT<n>:CHAN(?) <DNPD> This command sets the level of change (Dip/Swell - t3 period) for voltage output in channel <n>. <DNPD> Represents the voltage in V. If query is sent, calibrator returns the value of output voltage using standard exponential format.
  • Page 107 M133C Electric Power/Energy Calibrator MEATEST Note: Command switches the calibrator in Power Dip/Swell mode. [SOUR]:PDIP:CURR<n>:ENAB(?) <CPD> { ON | OFF } This command enables (disables) the current output in channel <n>. Disabled outputs are OFF also during OUTP ON. ...
  • Page 108 M133C Electric Power/Energy Calibrator MEATEST [SOUR]:PDIP:TIME(?) <DNPD>,<DNPD>,<DNPD>,<DNPD>,<DNPD> This command sets the time periods t1, t2, t3, t4 and t5 in Power Dip/Swell mode. <DNPD>,<DNPD>,<DNPD>,<DNPD>,<DNPD> Parameters represent the value of times (t1, t2, t3, t4 and t5) expressed in s. If query is sent, calibrator returns time values using standard exponential format. Example: 50s is returned as 5.000000e+001.
  • Page 109 M133C Electric Power/Energy Calibrator MEATEST [SOUR]:PDIP:TRIG:REP(?) <CPD> { ONE | REP } This sets automatic repetition of generated Dip/Swell shape.  ONE – trigger starts generation of one Dip/Swell shape  REP – trigger starts repeated generation of Dip/Swell shapes If query is sent, calibrator returns ONE if repetition is disabled or REP if it is enabled.
  • Page 110 M133C Electric Power/Energy Calibrator MEATEST [SOUR]:EAC[:POW]:UNIT(?) <CPD> { W | VA | VAR } This command selects units for power in the Energy AC mode. If query is sent, calibrator returns actual units in Energy AC mode. Example: Select unit W for Energy AC mode:...
  • Page 111 M133C Electric Power/Energy Calibrator MEATEST <DNPD> Represents the phase angle between the output voltage and current in degrees (PHAS:UNIT=DEG), or specified as a value of the power factor (PHAS:UNIT=COS). If query is sent, calibrator returns the set value of the phase shift between the output voltage and current using standard exponential format.
  • Page 112 M133C Electric Power/Energy Calibrator MEATEST [SOUR]:EAC:CONT(?) <CPD> { PACK | CNT1 | CNT2 | TIM1 | TIM2 | FR1 | FR2 | FR3} This command selects energy counting control mode. <CPD> represents the control mode of energy counting.  PACK – Packet mode energy counting is controlled by time to deliver specific “Packet” of energy ...
  • Page 113 M133C Electric Power/Energy Calibrator MEATEST Example: Number of pulses 1000 i/kVArh: EAC:CONS 1000.0 EAC:UNIT VAR Note: Command switches the calibrator in Energy AC mode. [SOUR]:EAC:TEST:TIME (?) <DNPD> This command sets test timer in Energy AC mode. <DNPD> Parameter represents test time when pulses are counted.
  • Page 114 M133C Electric Power/Energy Calibrator MEATEST Notes: Command switches the calibrator in Energy AC mode. [SOUR]:EAC:WUP:TIME (?) <DNPD> This command sets warm-up timer in Energy AC mode. <DNPD> Parameter represents warm-up time when pulses are counted. If query is sent, calibrator returns the value of time using standard exponential format. Example: 20 is returned as 2.000000e+001.
  • Page 115 M133C Electric Power/Energy Calibrator MEATEST Note: Query switches the calibrator in Energy DC mode. [SOUR]:EDC:POW? This query returns the set value of power using standard exponential format. Example: 100.60 W is returned as 1.006000e+002. Note: Query switches the calibrator in Energy DC mode.
  • Page 116 M133C Electric Power/Energy Calibrator MEATEST <CPD> represents the control mode of energy counting.  PACK – Packet mode energy counting is controlled by time to deliver specific “Packet” of energy  CNT1 – energy counting mode is controlled by pulses on input 1 ...
  • Page 117 M133C Electric Power/Energy Calibrator MEATEST Note: Command switches the calibrator in Energy DC mode. [SOUR]:EDC:TEST:TIME (?) <DNPD> This command sets test timer in Energy DC mode. <DNPD> Parameter represents test time when pulses are counted. If query is sent, calibrator returns the value of time using standard exponential format. Example: 20 is returned as 2.000000e+001.
  • Page 118 M133C Electric Power/Energy Calibrator MEATEST [SOUR]:EDC:WUP:TIME (?) <DNPD> This command sets warm-up timer in Energy DC mode. <DNPD> Parameter represents wrm-up time when pulses are counted. If query is sent, calibrator returns the value of time using standard exponential format. Example: 20 is returned as 2.000000e+001.
  • Page 119 M133C Electric Power/Energy Calibrator MEATEST This query returns the set value of power using standard exponential format. Example: 100.60 W is returned as 1.006000e+002. Note: Query switches the calibrator in Energy AC high current mode. [SOUR]:EACI[:POW]:UNIT(?) <CPD> { W | VA | VAR } This command selects units for power in the Energy AC high current mode.
  • Page 120 M133C Electric Power/Energy Calibrator MEATEST [SOUR]:EACI[:CURR]:PHAS(?) <DNPD> This command sets the phase angle between voltage and current. <DNPD> Represents the phase angle between the output voltage and current in degrees (PHAS:UNIT=DEG), or specified as a value of the power factor (PHAS:UNIT=COS).
  • Page 121 M133C Electric Power/Energy Calibrator MEATEST Notes: Command switches the calibrator in Energy AC high current mode. [SOUR]:EACI:CONT(?) <CPD> { PACK | CNT1 | CNT2 | TIM1 | TIM2 | FR1 | FR2 | FR3} This command selects energy counting control mode.
  • Page 122 M133C Electric Power/Energy Calibrator MEATEST <DNPD> Parameter represents the value number of pulses per selected unit. If query is sent, calibrator returns set value using standard exponential format. Example: 400.0 i/kWh is returned as 4.000000e+002. Example: Number of pulses 1000 i/kVArh: EACI:CONS 1000.0...
  • Page 123 M133C Electric Power/Energy Calibrator MEATEST Calibrator returns frequency using standard exponential format. Example: 20 is returned as 2.000000e+001. Example: EACI:TEST:FREQ? Notes: Command switches the calibrator in Energy AC high current mode. [SOUR]:EACI:WUP:TIME (?) <DNPD> This command sets warm-up timer in Energy AC high current mode.
  • Page 124 M133C Electric Power/Energy Calibrator MEATEST This query returns deviation between tested energy meter end the calibrator. Calculation of deviation is based on pulses generated by energy meter. Example: 0.612 % is returned as 6.120000e-001. Note: Query switches the calibrator in Energy DC high current mode.
  • Page 125 M133C Electric Power/Energy Calibrator MEATEST [SOUR]:EDCI:CONT(?) <CPD> { PACK | CNT1 | CNT2 | TIM1 | TIM2 | FR1 | FR2 | FR3} This command selects energy counting control mode. <CPD> represents the control mode of energy counting.  PACK – Packet mode energy counting is controlled by time to deliver specific “Packet” of energy ...
  • Page 126 M133C Electric Power/Energy Calibrator MEATEST Example: Number of pulses 1000 i/kWh: EDCI:CONS 1000.0 Note: Command switches the calibrator in Energy DC high current mode. [SOUR]:EDCI:TEST:TIME (?) <DNPD> This command sets test timer in Energy DC high current mode. <DNPD> Parameter represents test time when pulses are counted.
  • Page 127 M133C Electric Power/Energy Calibrator MEATEST Notes: Command switches the calibrator in Energy DC high current mode. [SOUR]:EDCI:WUP:TIME (?) <DNPD> This command sets warm-up timer in Energy DC high current mode. <DNPD> Parameter represents wrm-up time when pulses are counted. If query is sent, calibrator returns the value of time using standard exponential format. Example: 20 is returned as 2.000000e+001.
  • Page 128 M133C Electric Power/Energy Calibrator MEATEST [SOUR]:VAC:FREQ(?) <DNPD> This command sets the frequency in Voltage AC mode. <DNPD> Parameter represents the value of frequency expressed in Hz. If query is sent, calibrator returns the value of frequency using standard exponential format.
  • Page 129 M133C Electric Power/Energy Calibrator MEATEST [SOUR]:CAC:FREQ(?) <DNPD> This command sets the frequency in Current AC mode. <DNPD> Parameter represents the value of frequency expressed in Hz. If query is sent, calibrator returns the value of frequency using standard exponential format.
  • Page 130 M133C Electric Power/Energy Calibrator MEATEST This command sets the frequency in Current AC high current mode. <DNPD> Parameter represents the value of frequency expressed in Hz. If query is sent, calibrator returns the value of frequency using standard exponential format.
  • Page 131 M133C Electric Power/Energy Calibrator MEATEST SYSTem subsystem The subsystem enables to control various functions from the MENU. SYSTem :DATE(?) <DNPD>,<DNPD>,<DNPD> :TIME(?) <DNPD>,<DNPD>,<DNPD> :ERRor? :REMote :RWLock :LOCal SYST:DATE(?) <DNPD>,<DNPD>,<DNPD> This command sets system date of the calibrator. <DNPD>,<DNPD>,<DNPD> Represents date in format YYYY, MM, DD.
  • Page 132 M133C Electric Power/Energy Calibrator MEATEST Example: SYST:ERR? SYST:REM This command places the calibrator in the remote mode for RS232 or Ethernet operation. All keys on the front panel, except the LOCAL key, are disabled. Note: It is not possible to send or receive data over RS232 or Ethernet when the calibrator is not in remote mode.
  • Page 133 M133C Electric Power/Energy Calibrator MEATEST STATus subsystem This subsystem is used to enable bits in the Operation and Questionable Event registers. The Operation and Questionable: Event, Enable and Condition registers can be interrogated to determine their state. STATus :OPERational :EVENt? :ENABle(?) <DNPD>...
  • Page 134 M133C Electric Power/Energy Calibrator MEATEST Example: STAT:OPER:COND? STAT:QUES:EVEN? This query returns the content of Questionable Data Event register. It is a decimal value which corresponds to the binary-weighted sum of all bits set in the register. Register is cleared after this query.
  • Page 135 M133C Electric Power/Energy Calibrator MEATEST IEEE488.2 Common Commands I/D (instrument identification) *IDN? This command returns the identification of the manufacturer, model, serial number and firmware revision. The reply is formatted as follows: MEATEST,M133C,100002,1.22 Operation complete *OPC This command sets the OPC bit in the ESR (Event Status Register) when all pending operations are complete.
  • Page 136 M133C Electric Power/Energy Calibrator MEATEST Wait-to-Continue command *WAI Prevents the instrument from executing any further commands or queries until all previous remote commands have been executed. Reset *RST This command resets the calibrator to its initial status. Test operation *TST? This command launches an internal self-test.
  • Page 137 M133C Electric Power/Energy Calibrator MEATEST Event Status Enable setting *ESE <value> This command programs the Event Status Enable register bits. Parameter “value” is number in range 0 – 255. Event Status Enable reading *ESE? This query returns the Event Status Enable register.

  • Page 138: Standard Status Data Structures

    M133C Electric Power/Energy Calibrator MEATEST 11.4 Standard Status Data Structures Calibrator meets standard protocol according to the standard IEEE488.2. The protocol can be used for checking of error and status behavior of the calibrator. It enables single-wire transmitting of SRQ command. The conditions on which SRQ signal (local control request) is sent can be set with parameters *STB?, *SRE?, *SRE, *ESR?, *ESE?, *ESE a *CLS.
  • Page 139 M133C Electric Power/Energy Calibrator MEATEST STB Status Byte Register STB is main register where information from other status registers and from output queue is collected. Value of STB register is reset after switching on the calibrator or after sending command *CLS. This command reset the STB register except bit MAV, which remains set if the output queue is not empty.
  • Page 140 M133C Electric Power/Energy Calibrator MEATEST CME Command Error, bit 5. This event bit indicates that an incorrectly formed command or query has been detected by the instrument. EXE Execution Error, bit 4. This event bit indicates that the received command cannot be executed, owing to the device state or the command parameter being out of limits.
  • Page 141 M133C Electric Power/Energy Calibrator MEATEST Error Queue The Error Queue stores error messages. They are placed in a “first in, first out” queue. The queue is read destructively using the query command “SYSTem:ERRor?” to obtain a code number and errro message. The query “SYSTem:ERRor?” can be used to read errors in the queue until it is empty, when the message “0, No Error”...

  • Page 142: Specification

    M133C Electric Power/Energy Calibrator MEATEST 12 Specification Uncertainties include long-term stability, temperature coefficient, linearity, load and line regulation and the traceability of factory and National calibration standards. Specified accuracy is valid after one hour warm up in temperature range 23 ± 2 °C. Specified accuracy is one year accuracy.
  • Page 143 M133C Electric Power/Energy Calibrator MEATEST Phase and power factor (sine amplitude) 0.0° to 359.99° Phase range: Frequency range: 15 Hz to 1000 Hz 0.01° Phase resolution: Power factor range: -1 to +1 (Lead, Lag) Power factor resolultion: 0.001 dPF = (1 – cos (+d)/cos ) (-) Power factor accuracy: Phase accuracy ...
  • Page 144 M133C Electric Power/Energy Calibrator MEATEST AC power (sine amplitude) Summary range: 3x (0.005VA to 18 kVA (600 kVA with current coil option 140-50)) Frequency range: 15Hz to 1000 Hz f = 40 – 70 Hz AC real power accuracy (%) for PF = 1.0...
  • Page 145 = dP (%) Where: dP is accuracy of set power [%] dt is accuracy of selected time interval [%] Non harmonic signals (model M133C only) Harmonic and interharmonic distortion (H/I products) Fundamental harmonic frequency range: 15 Hz to 1 kHz Fundamental harmonic amplitude accuracy: 0.2 % of range...
  • Page 146 M133C Electric Power/Energy Calibrator MEATEST Modulation (Flicker) Fundamental harmonic frequency range: 15 Hz to 1 kHz Single harmonic (2-50) frequency range: 30 Hz to 5 kHz Modulation frequency range: 0.001 Hz to 50 Hz Modulation depth: 0 to 30% Modulation depth resolution: 0.001%...
  • Page 147 0.1x spec /°C outside reference temperatures Temperature coefficient: Dimensions: 500 x 520 x 430 mm Netto weight: 59 kg (M133C Three phase version) 37 kg (M133C Single phase version) 115/230V +/- 10%, 47…63 Hz Power supply: Power consumption: max. 1875 VA...

  • Page 148: Versions & Options

     Test cable banana-banana 1000V - 32 A, blue 3 (1) pcs  Test cable banana-banana 1000V - 32 A, yellow 3 (1) pcs  M133C-01 High Current Adapter 1 (0) pc  RS232 cable 1 pc  CD (Documentation, PowerAssistant SW..) 1 pc Values in brackets are for single phase version.

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