Power Meter

iWSN Environmental Sensing Module with 1-ch CT Input and 1 Expansion Interface. (Asia Only).

iWSN Environmental Sensing Module with 1-ch CT Input, 1-ch Thermistor Input and 1 Expansion Interface. (Asia Only).

iWSN Current Sensing Module with 2-ch CT Input, 1-ch Thermistor Input and 1-ch DI. (Asia Only) (Included 100A CT x2).

iWSN Current Sensing Module with 2-ch CT Input, 1-ch Thermistor Input and 1-ch DI. (Asia Only) (Included 200A CT x2).

iWSN Current Sensing Module with 2-ch CT Input, 1-ch Thermistor Input and 1-ch DI. (Asia Only) (Included 400A CT x2).

iWSN Current Sensing Module with 3-ch CT Input and 1-ch Thermistor Input. (Included 100A CT x3) (Asia Only).

iWSN Current Sensing Module with 3-ch CT Input and 1-ch Thermistor Input. (Asia Only) (Included 200A CT x3).

iWSN Current Sensing Module with 3-ch CT Input and 1-ch Thermistor Input. (Asia Only) (Included 400A CT x3).

iWSN Current Sensing Module with 3-ch 4 ~ 20 mA Input and 1-ch Thermistor Input. (Asia Only).

iWSN Current Sensing Module with 3-ch CT Input and 1-ch Thermistor Input. (Optional 100A/200A/400A CT) (Asia Only).

PM-2133D-100P CR is a three-phase power meter for engineers who need real-time electrical readings and energy data over Modbus RTU. It measures true RMS voltage and current, active, apparent and reactive power and energy, power factor and frequency, with bi-directional energy metering and total harmonic distortion (THD) readings shown on an 8-digit LED display.This variant ships with three 60 A clip-on current transformers, each with a 10 mm aperture and a 4 m wire lead, so the meter can be fitted to existing conductors without disconnecting them. It supports 3P4W, 3P3W, 1P3W and 1P2W wiring arrangements and accepts an input voltage range of 10 ~ 500 V.The meter provides a single RS-485 port with a 3000 VDC isolation rating and communicates using Modbus RTU at 9600, 19200 (default), 38400 or 115200 baud. Its plastic casing is designed for panel mounting, with an operating range of -20 ~ +70 °C.ApplicationsGenerator monitoringSwitchgear distribution systemsEnergy management

PM-2133D-160P CR is a three-phase power meter for real-time energy monitoring, with readings reported over a Modbus RTU RS-485 link. It suits engineers who need accurate active, apparent and reactive energy data from equipment in operation, whether measuring on the low-voltage side or on medium and high-voltage secondaries via external transformers.This ordering code ships with three 100 A clip-on current transformers, each with a 16 mm aperture, giving a 0.1 A to 100 A measuring range per CT. The clip-on design avoids disconnecting conductors during installation. The meter supports 3P4W, 3P3W, 1P3W and 1P2W energy analysis, measures voltage up to 500 V, and provides total harmonic distortion (THD) readings on a built-in 8-digit LED display.Power is supplied from +85 ~ +264 VAC (277 VAC available), and the unit is panel mounted in a plastic housing rated for -20 ~ +70 °C operation. Data is refreshed every second, with a 3000 VDC isolation rating on the RS-485 port.ApplicationsGenerator monitoringSwitchgear distribution systemsEnergy management

The PM-2133D-240P CR is a three-phase power meter for measuring true RMS voltage, current, power and energy in real time. It is supplied with three 200 A clip-on current transformers with a 24 mm inside diameter, so it can be fitted to existing conductors without disconnecting the circuit. Readings are available over a single RS-485 port using Modbus RTU, which suits integration into a monitoring or energy management system.The meter supports several wiring arrangements, including 3P4W, 3P3W, 1P3W and 1P2W, and it measures bi-directional energy with a stated W accuracy better than 0.5% at PF=1. Voltage input spans 10 ~ 500 V, and the 8-digit LED display shows readings locally on the panel.Typical use is in generator monitoring, switchgear and distribution systems, and general energy management where engineers need accurate consumption data from equipment under operation.ApplicationsGenerator monitoringSwitchgear distribution systemsEnergy management

PM-2133D-360P CR is a panel-mounted three-phase power meter for monitoring real-time electrical consumption on generators, switchgear and distribution systems. It is supplied with three clip-on CTs rated for 0.3 A to 300 A with a 36 mm aperture, so the meter can be fitted to existing cables without disconnecting the circuit.The meter measures true RMS voltage and current, active, reactive and apparent power and energy, power factor and frequency, and it supports bi-directional energy readings. Wiring modes covered are 3P4W, 3P3W, 1P3W and 1P2W. Active power accuracy is better than 0.5% at PF=1, and the unit accepts an input voltage range of 10 ~ 500 V.Data is available over a single RS-485 port using Modbus RTU, with selectable baud rates from 9600 to 115200 and several data formats. An 8-digit LED display shows readings locally, and the meter also measures total harmonic distortion (THD).ApplicationsGenerator monitoringSwitchgear distribution systemsEnergy management

PM-2133D-400P CR is a three-phase power meter for monitoring energy use in real time. It measures true RMS voltage and current, active, reactive and apparent power and energy, power factor and frequency, and reports the results over an RS-485 Modbus RTU link. Each reading is shown on an 8-digit LED display, so the meter can also be checked locally on the panel.This variant includes three 400 A clip-on current transformers with a 36 mm inside diameter and 4 m wire leads. The clip-on design avoids wiring interruptions during installation. Input current spans 0.3 A to 400 A, and the meter supports bi-directional energy measurement and several wiring configurations, including 3P4W, 3P3W, 1P3W and 1P2W.The meter accepts input voltages from 10 to 500 VAC and a control supply of +85 to +264 VAC (277 VAC available). Its plastic panel-mount housing measures 110 x 115 x 50 mm and is rated for -20 to +70 °C operation. Suitable applications include generator monitoring, switchgear distribution systems and energy management.ApplicationsGenerator monitoringSwitchgear distribution systemsEnergy management

The PM-2133D-RCT1000P CR is a three-phase power meter that pairs an 8-digit LED display with a flexible Rogowski coil current transformer rated up to 1000 A. The 80 mm inside diameter and 4 m wire lead make it practical for larger conductors and tight installation spaces, where a conventional split-core CT would be awkward to fit.The meter reports true RMS voltage and current, active, reactive and apparent power and energy, power factor, frequency and total harmonic distortion. Energy analysis covers 3P4W, 3P3W, 1P3W and 1P2W wiring, with bi-directional energy measurement. Voltage input runs from 10 to 500 V and data is refreshed every second.Communication is through a single RS-485 port using Modbus RTU, with selectable baud rates of 9600, 19200 (default), 38400 and 115200 and the standard N, E and O data formats. The port is isolated to 3000 VDC. The plastic panel-mount housing measures 110 x 115 x 50 mm (W x L x H) and is rated for -20 ~ +70 °C operation.ApplicationsGenerator monitoringSwitchgear distribution systemsEnergy management

PM-2133D-RCT2000P CR is a three-phase power meter for measuring bi-directional energy on feeders carrying up to 2000 A. Its flexible Rogowski Coil current sensor, with a 105 mm inside diameter and a 4 m wire lead, suits large conductors and installations where space around the busbar or cable is limited.The meter provides true RMS voltage, current, active, reactive and apparent power and energy, power factor, frequency and total harmonic distortion. It supports 3P4W, 3P3W, 1P3W and 1P2W energy analysis, with a voltage input range of 10 ~ 500 V. Readings are shown on an 8-digit LED display and made available over a single RS-485 port using Modbus RTU.Current measurement covers 5 A ~ 2000 A. Per the source, active power accuracy is better than 2% at PF=1 when the input current exceeds 200 A. The unit has 3000 VDC isolation on the serial port, a +85 ~ +264 VAC power input, and a panel-mount plastic housing measuring 110 x 115 x 50 mm.ApplicationsGenerator monitoringSwitchgear distribution systemsEnergy management

The PM-2133D-RCT4000P CR is a three-phase power meter with an 8-digit LED display, designed to show real-time electrical usage on low voltage primary and medium or high voltage secondary circuits. It records true RMS voltage, current and power values, together with active, apparent and reactive energy, and reports them over RS-485 using Modbus RTU.This variant is supplied with three Rogowski coil CTs rated up to 4000 A, each with a 185 mm inside diameter and a 4 m wire lead. The flexible coil suits large conductors such as busway and installations where space is tight. The -4000P variant is rated for a W accuracy better than 2% (PF=1) at input currents above 200 A.Energy analysis covers 3P4W, 3P3W, 1P3W and 1P2W wiring, with bi-directional energy measurement and total harmonic distortion (THD) reporting. The meter accepts a 10 ~ 500 V input range and has a 3000 VDC isolated RS-485 port.ApplicationsGenerator monitoringSwitchgear distribution systemsEnergy management

PM-2133D-RCT500P CR is a panel-mounted three-phase power meter that reports true RMS voltage, current, power and energy over Modbus RTU. Its flexible Rogowski Coil current transformers are fitted without cutting the conductor, which suits compact switchgear and large-diameter conductors such as busway.The meter covers 3P4W, 3P3W, 1P3W and 1P2W energy analysis and measures bi-directional energy. Each 4 m Rogowski Coil spans 5 A to 500 A through a 55 mm inside diameter, and the 8-digit LED display shows readings locally.Suitable for generator monitoring, switchgear distribution and energy managementApplicationsGenerator monitoringSwitchgear distribution systemsEnergy management

The PM-2133DP CR is a 3-phase power meter with an RS-485 Modbus RTU interface, suited to energy management and power monitoring on low-voltage primary-side and medium/high-voltage secondary-side circuits. It accepts an input voltage range of 10 to 500 VAC and provides true RMS readings of voltage, current, active, reactive and apparent power, energy, power factor and frequency.An 8-digit LED display allows key parameters to be read locally at the panel, which is useful for engineers commissioning or checking a distribution board without a supervisory system. The meter is designed for panel mounting and supports several wiring arrangements, including 3P4W, 3P3W, 1P3W and 1P2W.Current transformers are not included by default. Select CTs with a 333 mV voltage output to match the application; the CT ratio must be set correctly for accurate readings. Rogowski coils are not supported.ApplicationsGenerator monitoringSwitchgear distribution systemsEnergy management

PM-3033 CR is a three-phase power meter with an RS-485 port running Modbus RTU. It reports true RMS voltage and current, active, reactive and apparent power and energy, power factor and frequency, with data refreshed once per second, so engineers can track consumption on running equipment.Current inputs accept 1A or 5A secondary-side CTs directly, so dedicated metering CTs are not needed, which keeps installation costs down. The meter supports 3P4W, 3P3W, 1P3W and 1P2W arrangements, accepts voltage inputs from 10 to 500 V, and can be used on both low-voltage primary-side and secondary-side circuits.The baud rate is selectable by DIP switch (9600, 19200 default, 38400 or 115200), and data formats run from N,8,1 (default) to O,8,2. The plastic DIN-rail housing provides 3000 VDC isolation on the serial port and operates from -20 to +70 °C.ApplicationsGenerator monitoringSwitchgear distribution systemsEnergy management

PM-3033-CPS CR is a CANopen three-phase power meter for engineers who need real-time energy readings from low-voltage primary circuits or medium/high-voltage secondary circuits. It accepts secondary-side 1A/5A current transformers directly, so dedicated metering CTs are not required, which keeps installation costs down.The meter reports true RMS voltage and current, active, reactive and apparent power and energy, power factor, frequency and total harmonic distortion. Energy analysis covers 3P4W, 3P3W, 1P3W and 1P2W wiring, and the data update rate is one second. The 10 ~ 500 VAC input range and 50/60 Hz frequency support is suited to a wide range of installations.The CANopen interface is set up with DIP switches, with baud rates from 125 k (default) to 1 M. The DIN-rail mounted plastic housing, 3000 VDC isolation and +12 ~ 48 VDC power input make it straightforward to fit into generator monitoring and switchgear distribution panels.ApplicationsGenerator monitoringSwitchgear distribution systemsEnergy management

The PM-3033-MTCP is a DIN-rail three-phase power meter that reports true RMS voltage, current and power values over Modbus TCP through a single RJ45 port. It accepts secondary 1A or 5A current transformer inputs directly, so dedicated CTs are not needed when metering existing installations.It supports energy analysis for 3P4W, 3P3W, 1P3W and 1P2W wiring, with voltage inputs from 10 to 500 V at 50/60 Hz. Active, reactive and apparent power and energy are available, together with power factor, frequency and total harmonic distortion (THD). Power accuracy is better than 0.5% at PF=1 with input current above 0.5 A, and data is updated every second.The meter operates from a +12 ~ 48 VDC supply over a -20 ~ +70 °C range and is listed for CE, UKCA, FCC, RoHS and WEEE, with IEC 61010-1 and EN 61010-1 safety standards cited in the source data. Its plastic casing and DIN-rail mounting suit switchgear and generator monitoring panels.ApplicationsGenerator monitoringSwitchgear distribution systemsEnergy management

PM-3112-100 CR is a compact single-phase power meter that measures true RMS voltage, current and power on two independent loops. It suits engineers who need real-time electrical usage data from a monitored circuit without rewiring it, as the clip-on CT fits around the conductor.This ordering code includes two 60 A clip-on CTs with a 10 mm inside diameter and 1.8 m wire leads, matching the 1P2W, single-CT loop configuration. Current range is 0.05 A to 60 A per CT, and the input voltage range is 10 to 300 VAC, so the meter can be applied on both low-voltage and higher-voltage secondary circuits.Readings are published over a single RS-485 port using Modbus RTU, with selectable baud rates and data formats. Two Form A power relay outputs can drive sirens or lights for alarm signalling, and the DIN-rail housing supports panel installation.ApplicationsGenerator monitoringSwitchgear distribution systemsEnergy management