
Model M-133C is compact one-housing three phase electric power/energy calibrator. It can supply unit under test with one phase accurate AC voltage and current with calibrated phase shift or DC voltage and current. Output voltage can be set in five ranges up to 600 V and output current in six ranges up to 30 A. Simulated electric power can be set independently in each phase. Frequency can be set in range from 15 Hz to 1 kHz with resolution 0.001 Hz to 0.01 Hz. Calibrator is equipped with 5 1/2 digital DC meter with DC ranges 20 mA or 10 V for direct calibrating of various types of power transducers.
M-133C calibrator offers two types of defined distortion of main sinusoidal output signal. The first distortion is based on adding defined amount of harmonic or interharmonic spectral components up to 5 kHz. The second type of distortion is based on amplitude modulation of output sinusoidal signal by sin or squarewave modulation signal in frequency range from 0.001 Hz to 50 Hz. Maximum depth of modulation is 30 %.
Using supplied cable adapter the current outputs can be joined together offering one phase current range to 90 A AC/DC.
M133 control panel facilitates setting of power energy calibrators series M133. It is possible to set all three phase channels and also waveforms of individual voltage (current) outputs. Setting of harmonic / interharmonic components, modulation and Dip/Swells is displayed in simple chart. Program can be downloaded free of charge here.
Brochure
Data sheet
Operation manual
| Voltage range (sin mode)/phase | 1V to 280 VDC 1V to 600 VAC |
| Current range (sin mode)/phase | 8 mA to 30 A AC or DC |
| Resolution | 51/2 digit |
| Frequency range | 15 Hz to 1000 Hz |
| Frequency accuracy | 0.005 % (for 50/60 Hz synchronization to mains frequency can be set) |
| Frequency resolution | 0.001 Hz bellow 40 Hz, 0.01 Hz above 40 Hz |
| Distortion of votage output | < 0.05 % |
| Distortion of current output | < 0.1 % |
| Phase shift range | 0.00o to 359.99o |
| Power factor range | -1.000 to +1.000 |
| Total electric power range | 0.03 VA to 8400 VA |
| Total electric energy range | 0.03 VAs to 2333 VAhr |
| Time interval range | 1 s to 10000 s |
| Time interval accuracy | 0.01% + 0.1 s |
Range |
% of value+ % of range |
Max.
|
% of value+ % of range |
Max.
|
% of value+ % of range |
Max.
|
|---|---|---|---|---|---|---|
| DC | DC | 15 - 40 Hz 70 - 1000 Hz |
15 - 40 Hz 400 - 1000 Hz |
40 - 70 Hz | 40 - 400 Hz | |
| 1 - 10 V | 0.015 + 0.010 | 100 | 0.02 + 0.01 | 100 | 0.015 + 0.010 | 100 |
| 10 - 30 V | 0.015 + 0.010 | 200 | 0.02 + 0.01 | 200 | 0.015 + 0.010 | 200 |
| 30 - 70 V | 0.015 + 0.010 | 200 | 0.02 + 0.01 | 200 | 0.015 + 0.010 | 300 |
| 70 - 140 V | 0.015 + 0.010 | 200 | 0.02 + 0.01 | 200 | 0.015 + 0.010 | 300 |
| 140 - 280 V | 0.015 + 0.010 | 150 | 0.02 + 0.01 | 150 | 0.015 + 0.010 | 200 |
| 280 - 600 V | -- | -- | 0.02 + 0.01 | 50 | 0.020 + 0.010 | 60 |
Range |
% of value+ % of range |
Max.
|
% of value+ % of range |
% of value+ % of range |
Max.
|
Max.
|
|---|---|---|---|---|---|---|
| DC | DC | 15 - 40 Hz 70 - 1000 Hz |
40 - 70 Hz | 15 - 400 Hz | 400 - 1000 Hz | |
| 8 - 300 mA | 0.025 + 0.010 | 8 | 0.03 + 0.02 | 0.025 + 0.010 | 5.5 | 3.5 |
| 0.3 - 1 A | 0.025 + 0.010 | 8 | 0.03 + 0.02 | 0.025 + 0.010 | 5.5 | 3.5 |
| 1 - 2 A | 0.025 + 0.010 | 8 | 0.03 + 0.02 | 0.025 + 0.010 | 5.5 | 3.5 |
| 2 - 5 A | 0.025 + 0.010 | 5 | 0.03 + 0.02 | 0.025 + 0.010 | 3.5 | 3.5 |
| 5 - 10 A | 0.030 + 0.015 |
5 |
0.04 + 0.02 | 0.030 + 0.015 | 3.5 | 3.5 |
| 10 - 30 A | 0.035 + 0.015 | 5 | 0.05 + 0.02 | 0.035 + 0.015 | 3.5 | 3.5 |
Frequency (Hz) |
Accuracy dφ (°) |
|---|---|
| 15 - 40 Hz | 0.02 to 0.05 |
| 40 - 70 Hz | 0.02 to 0.02 |
| 70 - 400 Hz | 0.10 |
| 400 - 1000 Hz | 0.40 |
Accuracy of power factor: dPF = (1-cos(φ+dφ)/cos(φ))
Accuracy of power is calculated from value of voltage, current and power factor.
Active power (W): dP = square root (dU2 + dI2 + dPF2 + 0.012) [%]
Reactive power (VAr): dP = square root (dU2 + dI2 + dPF*2 + 0.012) [%]
Apparent power (VA): dP = square root (dU2 + dI2 + 0.012) [%]
Where:
| Fundamental harmonic frequency range | 15 Hz to 1000 Hz |
| Fundamental harmonic amplitude accuracy | 0.2 % of range |
| Frequency range of harmonic products | 30 Hz to 5000 Hz (2nd to 50 th order) |
| Frequency range of interharmonic products | 15 Hz to 1000 Hz |
| Max. number of harmonic products | 50 |
| Number of interharmonic products | 1 |
| H/I products amplitude range | max. 30 % of RMS fundamental harmonic amplitude |
| Amplitude resolution of H/I products | 0.001 % |
| Noise & Distortion | -60 dB |
Range |
% of fundamental harmonic amplitude range |
% of fundamental harmonic amplitude range |
|---|---|---|
| 30 Hz to 3000 Hz | 3000 Hz to 5000 Hz | |
| 1.0000 V to 10.000 V | 0.1 | 0.2 |
| 10.0001 - 30.0000 V | 0.1 | 0.2 |
| 30.001 - 70.000 V | 0.1 | 0.2 |
| 70.001 - 140.000 V | 0.1 | 0.2 |
| 140.001 - 280.000 V | 0.1 |
0.2 |
| 0.008000 - 0.300000 A | 0.1 | 0.2 |
| 0.30001 - 1.00000 A | 0.1 | 0.2 |
| 1.00001 - 2.00000 A | 0.1 | 0.2 |
| 2.00001 - 5.00000 A | 0.2 | 0.4 |
| 5.0001 - 10.0000 A | 0.2 | 0.4 |
| 10.0001 - 30.0000 A | 0.4 | 0.8 |
| Fundamental harmonic frequency range | 15 Hz to 1000 Hz |
| Single harmonic (2-50) frequency range | 30 Hz to 5000 Hz |
| Modulation frequency range | 0.001 Hz to 50 Hz |
| Modulation depth | 0.000 to 30.000 % |
| Modulation depth resolution | 0.001 % |
| RMS amplitude accuracy | 0.2 % of range |
| Waveform of modulation signal | sin, rectrangular |
| Duty cycle ration of rectrangular modulation signal | 1 % to 99 % |
| Modulation depth accuracy | 0.2 % |
Function |
Range |
Accuracy |
Resolution |
|---|---|---|---|
| DC voltage | 0.0000 to +/-12.0000 V | 0.01% of value + 0.01% of range | 100 uV |
| DC current | 0.0000 to 25.0000 mA | 0.01% of value + 0.01% of range | 100 nA |
| Frequency | 1.00000 Hz to 15.0000 kHz | 0.005% | 10 uHz - 0.1 Hz |
| Power cable | 1 pc |
| Option 10 Test cable banana-banana 1m 1000V/32A black | 3 pcs |
| Option 11 Test cable banana-banana 1m 1000V/32A red | 3 pcs |
| Option 12 Test cable banana-banana 1m 1000V/32A blue | 3 pcs |
| Option 13 Test cable banana-banana 1m 1000V/32A yellow | 3 pcs |
| RS232 cable 1.5m | 1 pc |
| Spare fuse | 1 pc |
| Option 133-01 High current adapter | 1 pc |
| Operation manual, CD | 1 pc |
| Test report | 1 pc |
| Option 140-50 | Current coil x25, x50 |
| Option 10 | Test cable banana-banana 1000V/32A,1m,black |
| Option 11 | Test cable banana-banana 1000V/32A,1m,red |
| Option 12 | Test cable banana-banana 1000V/32A,1m,blue |
| Option 13 | Test cable banana-banana 1000V/32A,1m,yellow |
| GPIB cable 2m | Double shielded 2m IEEE488 cable |
| POWER | Application SW for electric power transducers calibration |