The Yokogawa PZ4000 is a high-performance precision power analyzer designed for research and development. It features a wide measurement bandwidth of DC to 2 MHz and high-speed sampling up to 5 MS/s, enabling accurate capture of fluctuating voltage and current waveforms. With support for up to 4 input elements, advanced harmonic analysis up to the 500th order, and FFT capability, it provides comprehensive power calculations and spectral analysis for modern electrical and electronic systems.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB, RS-232, External Trigger, VGA Output, 3.5-inch FDD |
| Display | 10.4-inch color TFT LCD (640 x 480 pixels) |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 to 120 VAC / 200 to 240 VAC, 50/60 Hz, max. 300 VA |
| Operating Temperature | 5 to 40 °C |
| Dimensions (W×H×D) | 426 x 177 x 430 mm |
| Weight | Approx. 15 kg |
Input Module Specifications
| Parameter | Value |
|---|---|
| Maximum Number of Input Elements | 4 |
| A/D Converter Resolution | 12-bit |
| Maximum Sampling Rate | 5 MS/s |
| Measurement Frequency Bandwidth | DC, 0.1 Hz to 2 MHz |
| Voltage Input Impedance | Approx. 10 MOhm (parallel with approx. 35 pF) |
| Voltage Crest Factor | 3 (at rated input) |
| Current Crest Factor | 3 (at rated input) |
| Voltage Measurement Ranges (Direct) | 30 V, 60 V, 100 V, 150 V, 300 V, 600 V, 1000 V (RMS) |
| Current Measurement Ranges (Direct, 5A Module) | 100 mA, 200 mA, 500 mA, 1 A, 2 A, 5 A (RMS) |
| Current Measurement Ranges (Direct, 30A Module) | 1 A, 2 A, 5 A, 10 A, 20 A, 30 A (RMS) |
| External Current Sensor Input Ranges | 100 mV, 200 mV, 500 mV, 1 V, 2 V, 5 V, 10 V |
| Maximum Allowed Input Voltage (Direct) | 1000 Vrms or 1500 Vpeak |
| Standard Memory Depth | 100 kwords/channel |
| Optional Memory Depth (/M1) | 1 Mwords/channel |
| Optional Memory Depth (/M2) | 4 Mwords/channel |
Measurement Accuracy & Range
| Parameter | Value |
|---|---|
| Basic Voltage Accuracy | ±(0.1% of reading + 0.05% of range) at 50/60 Hz |
| Basic Current Accuracy | ±(0.1% of reading + 0.05% of range) at 50/60 Hz |
| Basic Active Power Accuracy | ±(0.1% of reading + 0.05% of range) at 50/60 Hz |
| Influence of Power Factor | ±0.15% of apparent power (at cos phi = 0, 50/60 Hz) |
| Temperature Coefficient | ±0.03% of range/°C |
| Frequency Measurement Range | 0.1 Hz to 2 MHz |
Measurement Parameters & Functions
| Parameter | Value |
|---|---|
| Measured Parameters | U, I, P, S, Q, lambda, phi, f, Up+, Up-, Ip+, Ip- |
| Integration Parameters | Ah (current integration), Wh (active power integration) |
| Integration Modes | Standard, Continuous, Real-time (with timer control) |
| Measurement Update Rate | Approx. 100 ms to 20 s |
| Line Filter Cutoff Frequencies | 500 Hz, 2 kHz, 20 kHz, 100 kHz, Off |
| Frequency Filter Cutoff Frequencies | 500 Hz, 2 kHz, Off |
Harmonic & Spectral Analysis
| Parameter | Value |
|---|---|
| Harmonic Measurement Method | PLL synchronization or External clock |
| Fundamental Frequency Range | 10 Hz to 1.2 kHz |
| Maximum Measured Harmonic Order | 500th order |
| FFT Points | Up to 100,000 points |
| FFT Window Functions | Rectangular, Hanning |
| Harmonic Analysis Parameters | Harmonic components of U, I, P, phi, and THD |
Motor Evaluation Functions (Optional)
| Parameter | Value |
|---|---|
| Torque Input Type | Analog (voltage) or Pulse (with /MTR option) |
| Speed Input Type | Analog (voltage), Pulse, or Phase A/B (with /MTR option) |
Display & User Interface
| Parameter | Value |
|---|---|
| Display Type | 10.4-inch Color TFT LCD |
| Display Resolution | 640 x 480 pixels |
| Waveform Display Formats | Voltage, current, and power waveforms with zoom and split screen |
| Vector Display Capabilities | Vectorial representation of voltage, current, and phase angle |
| Bar Graph Harmonic Display | Displays harmonic levels up to 500th order as a bar graph |
Interfaces & Connectivity
| Parameter | Value |
|---|---|
| GPIB Interface | IEEE-488 compliant, standard |
| VGA/Video Output Port | D-sub 15-pin, standard |
| External Trigger Input/Output | BNC connectors, standard (for Master-Slave synchronization) |
| Supported Storage Media Slot | 3.5-inch Floppy Disk Drive (FDD), PCMCIA (PC Card) slot (standard) |
| D/A Output Channels | 16 channels (with optional /DA) |
Power Supply & Environmental
| Parameter | Value |
|---|---|
| Rated Supply Voltage Range | 100 to 120 VAC / 200 to 240 VAC |
| Power Supply Frequency Range | 50/60 Hz |
| Power Consumption | Max. 300 VA (fully configured) |
| Operating Temperature Range | 5 to 40 °C |
| Operating Humidity Range | 20% to 80% RH (non-condensing) |
| Storage Temperature Range | -25 to 60 °C |
| Warm-up Time | 30 minutes |
Safety & Compliance
| Parameter | Value |
|---|---|
| Safety Standards | EN61010-1 compliant |
| EMC Standards | EN55011, EN50082-2 |
Physical Characteristics
| Parameter | Value |
|---|---|
| Dimensions (Width x Height x Depth) | 426 x 177 x 430 mm (excluding feet and projections) |
| Weight (Fully Populated Mainframe) | Approx. 15 kg (with 4 modules) |
| Weight (Empty Mainframe) | Approx. 11 kg |
Measurement Inputs
| Parameter | Value |
|---|---|
| Current Input Impedance (5A Module) | Approx. 100 mΩ in series with 0.07 µH |
| Current Input Impedance (30A Module) | Approx. 5 mΩ in series with 0.07 µH |
| Maximum Continuous Input Current (5A Module) | 7 Arms |
| Maximum Continuous Input Current (30A Module) | 40 Arms |
Options
| Parameter | Value |
|---|---|
| Built-in Printer Option (/B5) | Thermal line-dot system, 112 mm paper width |
| SCSI Interface Option (/C2) | SCSI-2 compliant, half-pitch 50-pin connector |
| Internal HDD Option (/C8) | 2.5-inch IDE hard disk drive |
| Ethernet Interface Option (/C10) | 10BASE-T, RJ-45 connector |
| User-Defined Computation Option (/G5) | Enables custom equations and math operators |
| Motor Evaluation Option (/H3) | Motor Evaluation Option (/MTR) = Calculates motor efficiency using analog/pulse torque and speed inputs |
| Analog Speed/Torque Input Range (Option /H3) | Analog Speed/Torque Input Range (Option /MTR) = ±1 V, ±2 V, ±5 V, ±10 V, ±20 V |
| Pulse Speed/Torque Input Frequency (Option /H3) | Pulse Speed/Torque Input Frequency (Option /MTR) = 2 Hz to 1 MHz |
Triggering
| Parameter | Value |
|---|---|
| Trigger Modes | Auto, Auto Level, Normal, Single |
| Trigger Sources | Voltage (U1-U4), Current (I1-I4), External (EXT) |
Physical / Mechanical
| Parameter | Value |
|---|---|
| Weight of 5A Input Element (Model 253710) | Approx. 0.9 kg |
| Weight of 30A Input Element (Model 253752) | Weight of 30A Input Element (Model 253750/253751) = Approx. 1.0 kg |
General Specifications
| Parameter | Value |
|---|---|
| Number of Input Element Slots | 4 |
Interfaces
| Parameter | Value |
|---|---|
| RS-232 Baud Rates | 1200, 2400, 4800, 9600, 19200, 38400 bps |
| RS-232 Connector Type | D-Sub 9-pin (male) |
| GP-IB Address Range | 0 to 30 |
PC Card Slot
| Parameter | Value |
|---|---|
| PC Card Slot Type | Type II (PCMCIA) |
| Number of PC Card Slots | 1 |
Floppy Disk Drive
| Parameter | Value |
|---|---|
| Floppy Disk Drive Media Support | 3.5-inch 2HD/2DD floppy disks |
Option /B5 (Built-in Printer)
| Parameter | Value |
|---|---|
| Printer Type | Thermal line dot printing |
| Printer Paper Width | 112 mm |
| Printer Effective Recording Width | 104 mm |
Option /C2 (SCSI Interface)
| Parameter | Value |
|---|---|
| SCSI Standard | SCSI-2 compliant |
| SCSI Connector | Amphenol half-pitch 50-pin (pin type) |
Option /C10 (Ethernet Interface)
| Parameter | Value |
|---|---|
| Ethernet Physical Layer | 10BASE-T |
| Ethernet Connector | RJ-45 |
D/A Output
| Parameter | Value |
|---|---|
| D/A Output Voltage Range | ±5 V FS |
| D/A Output Resolution | 12-bit |
Inputs & Outputs
| Parameter | Value |
|---|---|
| External Clock Input Level | TTL |
| External Start/Stop Input Level | TTL |
Environmental & Safety
| Parameter | Value |
|---|---|
| Overvoltage Category | CAT II |
| Pollution Degree | 2 |
| Maximum Operating Altitude | 2000 m |
Technology
Digital Sampling Power Analyzer
Applications
R&D power analysis, motor drive evaluation, inverter efficiency measurement, high-frequency power spectrum analysis