HIOKI PW4001 Power Analyzer

HIOKI PW4001 Power Analyzer
Portable 4-channel power analyzer with ±0.04% basic accuracy for vehicle power measurement
 

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OVERVIEW
     
Precision and Portability Perfectly Combined
The PW4001 is a high-precision, portable 4-channel power analyzer that offers Hioki’s highest-ever DC accuracy of ±0.04%. Additionally, its measurement bandwidth extends up to 600 kHz, with accuracy specifications maintained across this entire frequency range, ensuring reliable performance from DC to high-frequency applications. Despite its portability, it delivers the measurement accuracy required in research and development as well as in production environments, making it equally suitable for field testing, laboratory evaluation, and production line inspection.

Key Features

• Basic accuracy: ±0.04%
• Operatable temperature range: -20°C to 50°C
• Frequency bandwidth: DC, 0.1 Hz to 600 kHz
• CAN / CAN FD output and input
• Auto phase shift correction for Hioki current sensors

Model No. (Order Code)

PW4001-01	Power Analyzer
PW4001-02	Power Analyzer, D/A output
PW4001-03	Power Analyzer, Motor analysis
PW4001-04	Power Analyzer, External power source
PW4001-05	Power Analyzer, D/A output, Motor analysis, External power source

 

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FEATURES

Lab-grade precision, Field-ready

From xEV fuel and energy consumption testing to DC-DC converter and inverter efficiency evaluation, as well as motor efficiency analysis, the PW4001 provides exceptional reliability and versatility, making it a new-generation portable power analyzer designed for a wide range of measurement scenarios.



Engineered for the tasks you face, wherever you work

Capture transient power changes with high precision
Evaluate motor and inverter efficiency with 1 ms data updates and 600 kHz bandwidth. Even transient power losses are measured accurately.
0Capture motor power fluctuations with millisecond precision
0Evaluate efficiency for high-frequency inverters
0Automatically detect charge and regeneration to calculate efficiency



Reduce setup time in drive range testing
Ensure accurate measurements even at -7°C. With direct CAN voltage input and flexible, vehicle-side installation, test setup is faster and safer.
0Accuracy maintained at -7°C. Install directly in cold chambers
0Use a compact setup near the vehicle and expand channels with synced units
0Acquire battery voltage via CAN, safe and simple

Use it on the road Designed for real-world driving tests
Measure power without vehicle modification. OBD-II input and 10.5 V to 28 V DC power supply make in-vehicle use easy.
0Operates from −20°C to +50°C, ready for harsh environments
0Run on DC power for easy in-vehicle installation
0Use OBD-II CAN bus for safe, real-time vehicle data acquisition



Ensure production quality with waveforms and numbers
Combining waveforms and numerical values ensures reliable, quantifiable quality in mass production.
0Verify efficiency with ±0.04% accuracy at DC and 50 Hz/60 Hz
0Direct voltage input up to 1500 V DC
02.5 MHz sampling enables waveform evaluation of switching events

Half the Size, Maximum Precision
The slim design clamp current sensor ensures easy installation even in tight spaces.
Complex tasks in the engine room become simple and efficient, dramatically reducing preparation time for fuel efficiency and performance testing. Not only does it reduce setup time, but it also minimizes the risk of sensor damage from forced clamping between narrow spaces.
Fully compliant with the WLTP and SAE J1634 standards, it provides precise AC/DC current measurements up to 200 A with an impressive DC accuracy of 0.07%.

View Case Studies: Revolutionizing EV Power Testing: A Japanese Automaker's Success with Hioki's CT6833 and CT6834 Current Sensors
 

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SPECIFICATIONS

Basic specifications
Accuracy guaranteed for 6 months, multiply the 6-month accuracy by 1.5 to obtain the 1-year accuracy.
 

Measurement lines	Single-phase 2-wire, single-phase 3-wire, three-phase 3-wire, three-phase 4-wire
Number of channels	4 (4 voltage, 4 current, isolated between each channel)
Measurement frequency bandwidth	DC, 0.1 Hz to 600 kHz
Sampling	16 bit, 2.5 MHz
Data update rate	1 ms, 10 ms, 50 ms, 200 ms
Accuracy for power	DC, 50/60 Hz: ±0.03 % reading ± 0.01 % range / 50 kHz: ±0.40 % reading ± 0.10 % range
Voltage measurement range	6 V, 15 V, 30 V, 60 V, 150 V, 300 V, 600 V, 1500 V
Current measurement range	40 mA to 2000 A (depends on current sensor)
Measurement parameters	Voltage (U), current (I), active power (P), apparent power (S), reactive power (Q), power factor (λ), phase angle (φ), voltage frequency (fU), current frequency (fI), efficiency (η), loss (Loss), voltage ripple factor (Urf), current ripple factor (Irf), current integration (Ih), power integration (WP), voltage peak (Upk), current peak (Ipk)
Harmonic measurement	Wideband mode: max. analysis order of 500th
Waveform recording	Recording capacity: up to 5 mega-words for any waveform (current, voltage, motor)
Motor analysis (option)	Voltage, torque, RPM, frequency, slip, motor-power power spectrum analysis
Calculation function	Efficiency-loss calculations, user-defined formula, delta conversion, current sensor automatic phase shift compensation
External interface	USB flash drive, LAN, USB (function), external control, BNC sync., CAN or CAN FD
Power supplies	100 V to 240 V AC, 10.5 V to 28 V DC
Dimensions and weight	361 (W) × 176 (H) × 135 (D) mm (14.21 × 6.93 × 5.31 in), 4.6 kg (162.3 oz.)
Included accessories	Startup guide ×1, power cord ×1, USB cable ×1, D-sub connector ×1 (PW4001-02, PW4001-05), DC power supply connector (PW4001-04, -05)

 

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OPTIONS

Direct Current Input (1)
* To connect to the HIOKI ME15W (12 pin) terminal

AC/DC CURRENT BOX PW9100A
• Max. 50 A AC direct input to Hioki Power Analyzers
• Wide DC to 3.5 MHz, ±0.02% accuracy
• 3 ch/4ch

Up to 200 A (High precision) (10)
To connect to the Hioki ME15W (12 pin) terminal

AC/DC CURRENT PROBE CT6830
• Band: DC to 100 kHz
• Rated measurement current: 2 A AC/DC
• Measurable conductor: #5 mm
• For power analyzers and 3 ch current unit of Memory HiCORDER

AC/DC CURRENT PROBE CT6831
• Band: DC to 100 kHz
• Rated measurement current: 20 A AC/DC
• Measurable conductor: #5 mm
• For power analyzers and 3 ch current unit of Memory HiCORDER

AC/DC CURRENT PROBE CT6833, CT6833-01
• DC to 50 kHz
• Rated 200 A AC/DC
• For vehicle power testing, compliant with WLTP & SAE J1634 standards

AC/DC CURRENT PROBE CT6841A
• DC to 2 MHz
• Rated 20 A AC/DC
• Automatic phase correction function

AC/DC CURRENT PROBE CT6843A
• DC to 700 kHz
• Rated 200 A AC/DC
• Automatic phase correction function

AC/DC CURRENT SENSOR CT6862-05
• DC to 1MHz, ±0.05% accuracy
• Rated 50A AC/DC

AC/DC CURRENT SENSOR CT6863-05
• DC to 500kHz, ±0.05% accuracy
• Rated 200A AC/DC

AC/DC CURRENT SENSOR CT6872
• DC to 10 MHz
• Rated 50 A AC/DC

AC/DC CURRENT SENSOR CT6873
• DC to 10 MHz
• Rated 200 A AC/DC

CLAMP ON SENSOR 9272-05
• 1 Hz to 100 kHz, ±0.3% accuracy
• Rated 20 A/200 A AC

Up to 500 A (High precision) (5)
To connect to the Hioki ME15W (12 pin) terminal

AC/DC CURRENT PROBE CT6834, CT6834-01
• DC to 50 kHz
• Rated 500 A AC/DC
• For vehicle power testing, compliant with WLTP & SAE J1634 standards

AC/DC CURRENT PROBE CT6844A
• DC to 500 kHz
• Rated 500 A AC/DC
• Automatic phase correction function

AC/DC CURRENT PROBE CT6845A
• DC to 200 kHz
• Rated 500 A AC/DC
• Automatic Phase Correction function

AC/DC CURRENT SENSOR CT6875A
• DC to 2 MHz
• Rated 500 A AC/DC

AC/DC CURRENT SENSOR CT6904A, CT6904A-1
• DC to 4 MHz (CT6904A), DC to 2 MHz (CT6904A-1)
• Rated 500 A AC/DC

Up to 2000 A (High precision) (3)
To connect to the Hioki ME15W (12 pin) terminal

AC/DC CURRENT PROBE CT6846A
• DC to 100 kHz
• Rated 1000 A AC/DC
• Automatic phase correction function

AC/DC CURRENT SENSOR CT6876A
• DC to 1.5 MHz
• Rated 1000 A AC/DC

AC/DC CURRENT SENSOR CT6877A
• DC to 1 MHz
• Rated 2000 A AC/DC

Up to 8000 A (High precision) (2)
Aggregate and measure large currents in multi-cable circuits

Use multiple AC/DC Current Sensor CT6877A units with the Sensor Unit CT9557 to measure currents of up to 8000 A in multi-cable circuits. Requires 1 connection cable to connect the PW6001/PW4001 to the CT9557.

SENSOR UNIT CT9557
• 4 channels, ±0.06% DC accuracy
• Waveform, total waveform, and total RMS output

CONNECTION CABLE CT9904
ME15W (12 pin) terminal to ME15W (12 pin) terminal, 1 m (3.28 ft) length (for connecting CT9557 total output to PW6001 or PW3390 only)

PL23 (10 pin) - ME15W (12 pin) conversion (1)
When using a PL23 terminal sensor without “-05” in the model number, Conversion Cable CT9900 must be used to connect to ME15W terminal.

When using the CT6865 and CT6846 (without “-05”), connection via the CT9900 and manual settings are required on the main device.

CONVERSION CABLE CT9900
Convert PL23 (10-pin) terminal to ME15W (12-pin) terminal

Current Input 2000A AC/DC (3)
The CT9920 is necessary for connecting the current sensor with Hioki PL14 to the PW4001

AC/DC CURRENT SENSOR CT7642
• DC to 10kHz, ±1.5% accuracy
• Rated 2000 A AC/DC

AC/DC AUTO-ZERO CURRENT SENSOR CT7742
• DC to 5 kHz, ±1.5% accuracy
• Rated 2000A AC/DC

CONVERSION CABLE CT9920
Required to connect the PW3390 or other instrument’s ME15W terminal to a current sensor with a PL14 output connector.

Current Input 6000A (2)
The CT9920 is necessary for connecting the current sensor with Hioki PL14 to the PW4001

AC FLEXIBLE CURRENT SENSOR CT7040 series
• 10 Hz to 50 kHz, ±1.5% accuracy
• 600A or 6000A AC rated

CONVERSION CABLE CT9920
Required to connect the PW3390 or other instrument’s ME15W terminal to a current sensor with a PL14 output connector.

Voltage Input (8)
VOLTAGE CORD L1000
Red/ Yellow/ Blue/ Gray each 1, Black 4, 3m (9.84ft) length, Alligator clip ×8

PATCH CORD L1021-01
Banana branch-banana, Red: 1, 0.5 m (1.64 ft) length, for branching from the L9438s or L1000s, CAT IV 600 V, CAT III 1000 V

PATCH CORD L1021-02
Banana branch-banana, Black: 1, 0.5 m (1.64 ft) length, for branching from the L9438s or L1000s, CAT IV 600 V, CAT III 1000 V

VOLTAGE CORD L1025
1500 V DC CAT II, 1 A, 1000 V CAT III , 1 A, banana - banana (red, black each1), alligator clip, approx. 3 m (9.84 ft) length

VOLTAGE CORD L1050-03
3.0 m

GRABBER CLIP L9243
Attaches to the tip of the banana plug cable, Red/Black: 1 each, 185 mm (7.28 in.) length, CAT II 1000 V

VOLTAGE CORD L9438-50
1000 V specifications, Black/ Red, 3 m (9.84 ft) length, Alligator clip ×2

AC/DC HIGH VOLTAGE DIVIDER VT1005
• Safely measure high voltages up to 5000 V
• Detect efficiency improvement effects on the order of 0.1%

Connection Options (11)
EXTENSION CABLE CT9902
5 m (16.41 ft) length, ME15W (12 pin) - ME15W (12 pin) connector

D/A OUTPUT CABLE L3000
D-sub 25-pin/BNC (male) 20-channel conversion cable

ALLIGATOR CLIP SET L4935
Attaches to the tip of the L4930/4940, CAT IV 600 V, CAT III 1000 V

CONNECTION CABLE SET L4940
Banana plug - banana plug, 1.5 m (4.92 ft) length, red/black each 1

CONNECTION CORD L9217
Cord has insulated BNC connectors at both ends, 1.6 m (5.25 ft) length

CONNECTION CORD L9217-01
Cord has insulated BNC connectors at both ends, 3.0 m (9.84 ft) length

CONNECTION CORD L9217-02
Cord has insulated BNC connectors at both ends, 10 m (32.81 ft) length

CONNECTION CORD L9257
1.2 m (3.94 ft) length

BNC TERMINAL BOX Z5200
D-sub 25-pin/BNC (female) 20-channel conversion box

CONNECTION CORD 9165
Cord has metallic BNC connectors at both ends, use at metallic terminal, 1.5 m (4.92 ft) length

CAN CABLE 9713-01
Unprocessed on one end, 1.8 m (5.9 ft.)

Carrying case (1)
CARRYING CASE C4001
Hard trunk type

Other options (2)
RACKMOUNT FITTINGS Z5302
For EIA standard rack

RACKMOUNT FITTINGS Z5303
For JIS standard rack