The Hioki PW3360 is a compact, 3-channel clamp-on power logger designed for energy auditing, demand monitoring, and power analysis. Supporting various wiring configurations from single-phase to three-phase four-wire systems, it allows users to safely and easily measure power consumption, demand, and basic harmonics (model PW3360-21) with high accuracy and log data directly to SD cards.

Specifications

General

ParameterValue
InterfacesUSB 2.0 (Mini-B) for PC connection, SD Card Slot
Display3.5-inch color TFT LCD (320 × 240 dots)

Physical

ParameterValue
Power Supply100 V to 240 V AC (50/60 Hz) via Z1006 AC Adapter; optional PW9002 Battery Pack (7.2 V NiMH)
Operating Temperature0 to 50
Dimensions (W×H×D)180 mm W × 120 mm H × 48 mm D
Weight0.55

Measurement Lines & Configurations

ParameterValue
Wiring Configurations SupportedSingle-phase 2-wire (1P2W), Single-phase 3-wire (1P3W), Three-phase 3-wire (3P3W2M/3P3W3M), Three-phase 4-wire (3P4W)
Number of Voltage Channels3 channels (U1, U2, U3)
Number of Current Channels3 channels (I1, I2, I3)
Target Line Frequency50 Hz / 60 Hz

Measurement Parameters & Functions

ParameterValue
Measured ParametersVoltage RMS, Current RMS, Active power, Reactive power, Apparent power, Power factor, Displacement power factor, Active energy (consumption/regeneration), Reactive energy (lag/lead), Energy cost, Demand value, Harmonic parameters (PW3360-21 only)
Harmonic Analysis RangeUp to 40th order (PW3360-21 only)
Harmonic Measured ParametersHarmonic voltage, Harmonic current, Harmonic power, Phase angle, Total Harmonic Distortion (THD) (PW3360-21 only)

Voltage Input & Accuracy

ParameterValue
Voltage Measurement Range600 V AC
Voltage Crest Factor3.0 or less (at 600 V), 6.0 or less (at 300 V)
Voltage Input Impedance1.5 MΩ ±10%
Voltage Basic Accuracy±0.3% rdg. ±0.1% f.s. (at 50/60 Hz)
Maximum Input Voltage780 V AC (peak: 1103 V)
Maximum Rated Voltage to Earth600 V AC (CAT III), 300 V AC (CAT IV)

Current Input & Accuracy

ParameterValue
Compatible SensorsHioki AC Clamp-On Sensors (e.g., 9660, 9661, 9669, CT9667 series)
Current Measurement Ranges500.00 mA to 5.0000 kA AC (sensor dependent)
Current Crest Factor3.0 or less (at full scale of current range)
Current Basic Accuracy±0.3% rdg. ±0.1% f.s. + clamp sensor accuracy (at 50/60 Hz)
Phase Accuracy±0.3 deg (at 50/60 Hz, plus clamp sensor accuracy)

Power Measurement Accuracy

ParameterValue
Active Power Basic Accuracy±0.3% rdg. ±0.1% f.s. + clamp sensor accuracy (at 50/60 Hz, power factor = 1)
Effect of Power Factor±1.0% rdg. or less (at power factor = 0.5, lag/lead)
Temperature Coefficient±0.03% f.s. / °C or less
Effect of Common Mode VoltageWithin ±0.2% f.s. (600 V AC, 50/60 Hz, between voltage input terminal and case)

Data Logging & Recording

ParameterValue
Recording Interval1, 2, 5, 10, 15, 30 seconds; 1, 2, 5, 10, 15, 30, 60 minutes
Internal MemoryAvailable for saving setting configurations and system data
External Storage CompatibilitySD Card up to 2 GB, SDHC Card up to 32 GB
Maximum Recording Period1 year (based on interval and SD card capacity)
File FormatsCSV format (binary for internal processing)

Display & User Interface

ParameterValue
Display Type3.5-inch TFT color LCD
Display Resolution320 × 240 dots (QVGA)
Display Refresh RateApprox. 0.5 seconds (except when accessing SD card or USB)
Language SupportEnglish, Japanese, Chinese (Simplified)
Measurement Screen ViewsValue, Trend, Vector, Harmonic list/graph (PW3360-21 only)

Interfaces & Connectivity

ParameterValue
USB InterfaceUSB 2.0 High Speed, Mini-B connector (for PC communication, data download)
SD Card Slot1 × SD standard slot (SDHC compatible)
LAN Interface10BASE-T/100BASE-TX × 1 (RJ-45 connector)
LAN ProtocolsTCP/IP, HTTP server, FTP server, FTP client, Modbus TCP

Power Supply & Battery

ParameterValue
AC Adapter Supply Range100 V to 240 V AC (50/60 Hz)
Battery OptionPW9002 Battery Pack (NiMH, 7.2 V, 2700 mAh)
Battery Charging TimeApprox. 6 hours and 10 minutes (with power off)
Continuous Battery Operating TimeApprox. 8 hours (backlight off)
Power Consumption (Maximum)40 VA (including AC adapter), 3 VA (battery only)

Environmental & Safety

ParameterValue
Operating Humidity Range80% RH or less (non-condensing)
Storage Temperature Range-10 °C to 60 °C
Storage Humidity Range80% RH or less (non-condensing)
Maximum Operating Altitude2000 m (6562 ft) above sea level
Safety StandardsEN 61010
EMC StandardsEN 61326 Class A
Measurement CategoryCAT III 600 V (Anticipated transient overvoltage: 6000 V)

Physical Characteristics

ParameterValue
Weight with BatteryApprox. 830 g (including PW9002 Battery Pack)
Weight without BatteryApprox. 550 g

Pulse Input

ParameterValue
Pulse Input Channels1 channel
Pulse Input Signal TypeNo-voltage contact, open collector, or voltage pulse (High: 2.0 V to 45 V, Low: 0 V to 0.5 V)
Pulse Input Maximum Frequency5 kHz
Pulse Input Minimum Pulse Width100 µs (for both high and low levels)

Measurement Specifications

ParameterValue
Measurement MethodSimultaneous digital sampling, PLL synchronization or fixed clock (50 Hz / 60 Hz)
A/D Conversion Resolution16-bit
Sampling Frequency10.24 kHz
PLL Synchronization Frequency Range45 Hz to 66 Hz
Frequency Measurement Range45.0 Hz to 66.0 Hz
Frequency Measurement Accuracy±0.2% rdg. ±1 dgt.
Power Factor Measurement Range-1.000 (lead) to 0.000 to 1.000 (lag)

General & Clock

ParameterValue
Clock AccuracyWithin ±0.3 s/day (at 25°C, with power on)

Safety & Compliance

ParameterValue
Dielectric Strength4.29 kV AC (50/60 Hz, 1 min, between voltage input terminals and case/interfaces)
Insulation Resistance100 MΩ or more (500 V DC, between voltage input terminals and case/interfaces)
Pollution Degree2

General Specifications

ParameterValue
Clock Backup Battery LifeApprox. 10 years (at 23°C, reference value)
Display Power Saving Mode1 to 60 min (user-selectable, turns display off during inactivity)

Measurement Performance

ParameterValue
Leakage Current Measurement Ranges50.000 mA AC, 500.00 mA AC, 1.0000 A AC, 5.0000 A AC (with compatible leakage current clamp sensors)
Accuracy Guarantee Period1 year
Accuracy Guarantee Temperature and Humidity23°C ± 5°C, 80% RH or less

Technology

Clamp-on Power Logging / Electrical Power Analysis

Applications

Energy auditing, power consumption logging, demand monitoring, and basic harmonic analysis