kW & kWh Data Loggers & Sensors

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Onset’s kW and kWh data loggers can be used to collect accurate, actionable power consumption and energy performance data for analysis of energy use patterns and building performance optimization. You can use these tools to track the efficiency of building systems, manage peak energy demand, submetering, and more.

Results: 1 to 28 of 28

Veris 480 V, 100 Amp Kilowatt Transducer Sensor - T-VER-8044-100

Supported Measurements:
Kilowatts (kW)
Range: Temp: 0 to 60°C (32° to 140°F)
Accuracy: ±1% per ANSI (C12.1) (from 10 to 100% of CT rating)

Compatible Data Loggers:

U12-006, U12-012, U12-013, U12-008, H22-001, U30-NRC See more

$815

HOBO U12 4-Channel External Data Logger - U12-006

Supported Measurements (some sensors sold separately):
Temperature, 4-20mA, AC Current, AC Voltage, Air Velocity, Carbon Dioxide See more, Compressed Air Flow, DC Current, DC Voltage, Gauge Pressure, Kilowatts (kW), Volatile Organic Compound See less
Range: 0 to 2.5 VDC
Accuracy: ± 2 mV ± 2.5% of absolute reading

$113

HOBO U12 Temperature/Relative Humidity/Light/External Data Logger - U12-012

Supported Measurements (some sensors sold separately):
Temperature, Relative Humidity, 4-20mA, AC Current, AC Voltage, Air Velocity See more, Carbon Dioxide, Compressed Air Flow, DC Current, DC Voltage, Gauge Pressure, Kilowatts (kW), Light Intensity, Volatile Organic Compound See less
Range: Temp: -20° to 70°C (-4° to 158°F) - RH: 5% to 95% Light intensity: 1 to 3000 foot candles (lumens/ft2)
External input: 0 to 2.5 VDC
Accuracy: Temp: ± 0.4°C @ 25°C (± 0.7°F @ 77°F) - RH: ± 2.5% from 10% to 90% - External Input: ± 2 mV ± 2.5% of absolute reading
Replacement for: H08-004-02, H08-006-04

$133

HOBO U12 Temperature/Relative Humidity/2 External Channel Data Logger - U12-013

Supported Measurements (some sensors sold separately):
Temperature, Relative Humidity, 4-20mA, AC Current, AC Voltage, Air Velocity See more, Carbon Dioxide, Compressed Air Flow, DC Current, DC Voltage, Gauge Pressure, Kilowatts (kW), Volatile Organic Compound See less
Range: Temp: -20° to 70°C (-4° to 158°F) - RH: 5% to 95% - External input channels: 0 to 2.5 VDC
Accuracy: Temp: ± 0.35°C from 0° to 50°C (± 0.63°F from 32° to 122°F) - RH: ± 2.5% from 10% to 90% - External Input: ± 2 mV ± 2.5% of absolute reading

$133

HOBO ZW-007 Two External Channel Data Node
External Temp/RH and 2 Analog

Supported Measurements (some sensors sold separately):
Temperature, Relative Humidity, 4-20mA, AC Current, AC Voltage, Air Velocity See more, Carbon Dioxide, Compressed Air Flow, DC Current, DC Voltage, Differential Pressure, Gauge Pressure, Kilowatts (kW), Volatile Organic Compound See less
Range:
Temp: -40° to 70° C (-40° to 158° F)
RH: 0% to 100% RH
Analog channels: 0 to 2.5 Vdc; 0 to 5 Vdc (w/ CABLEADAP5); 0 to 10 Vdc (w/ CABLEADAP10); 4-20 mA (w/CABLE-4-20mA).
Accuracy:
Temp: ± 0.21° C over 0° to 50° C (0.38° F over 32° to 122° F) - RH: ± 2.5% from 10 to 90% typical, max. ± 3.5%
Analog: ±1.544 mV plus 2 % of reading (typical)

$299

HOBO ZW-006 Four Analog Port Data Node

Supported Measurements (some sensors sold separately):
Temperature, 4-20mA, AC Current, AC Voltage, Air Velocity, Carbon Dioxide See more, Compressed Air Flow, DC Current, DC Voltage, Differential Pressure, Gauge Pressure, Kilowatts (kW) See less
Range: Analog channels: 0 to 2.5 Vdc;0 to 5 Vdc (w/CABLE-ADAP5); 0 to 10 Vdc (w/ CABLE-ADAP10);4-20 mA (w/CABLE-4-20mA)
Accuracy: Analog: ± 1.544 mV plus 2 % (typical)

$219

HOBO U12 4-Channel External Data Logger - U12-008

Supported Measurements (sensors sold separately):
Temperature, 4-20mA, AC Current, AC Voltage, Air Velocity, Carbon Dioxide See more, Compressed Air Flow, DC Current, DC Voltage, Gauge Pressure, Kilowatts (kW), Volatile Organic Compound See less
Range: 0 to 2.5 VDC
Accuracy: ± 2 mV ± 2.5% of absolute reading

$226

E50B2 Power & Energy Meter - T-VER-E50B2

Supported Measurements:
Energy: AC Current, AC Voltage, Amp Hour (Ah), kW, kWh, Power Factor (PF) See more, Volt-Amp Reactive (VAR), Volt-Amp Reactive Hour (VARh), Volt-Amps (VA), Volts (V), Watt Hours (Wh), Watts (W), Amps (A) See less

Compatible Data Loggers:

H21-002, H22-001, U30-GSM, U30-WIF, U30-ETH, ZW-005 See more

$599

WattNode 208/240 VAC 3-phase Delta/Wye kWh Transducer Sensor - T-WNB-3D-240

Supported Measurements:
Kilowatt Hours (kWh)
Range: 120V - 240V
Accuracy: ±0.45% of reading + 0.05% FS through 25th harmonic (dependent on CT used and line variation accuracy could be 1.5% to 4% of reading)

Compatible Data Loggers:

H21-002, H22-001, U30-NRC, U30-GSM, U30-WIF, U30-ETH See more

$269

WattNode 480 VAC 3-phase Delta/Wye kWh Transducer Sensor - T-WNB-3D-480

Supported Measurements:
Kilowatt Hours (kWh)
Range: 277V - 480V
Accuracy: ±0.45% of reading + 0.05% FS through 25th harmonic (dependent on CT used and line variation accuracy could be 1.5% to 4% of reading)

Compatible Data Loggers:

H21-002, H22-001, U30-NRC, U30-GSM, U30-WIF, U30-ETH See more

$269

WattNode 208/240 VAC 1,2, or 3-Phase Wye kWh Transducer Sensor - T-WNB-3Y-208

Supported Measurements:
Kilowatt Hours (kWh)
Range: 120V - 240V
Accuracy: ±0.45% of reading + 0.05% FS through 25th harmonic (dependent on CT used and line variation accuracy could be 1.5% to 4% of reading)

Compatible Data Loggers:

H21-002, H22-001, U30-NRC, U30-GSM, U30-WIF, U30-ETH See more

$229

WattNode 208-240VAC 2 or 3 Branch Circuit kWh Transducer Sensor - T-WNB-3Y-208-P

Supported Measurements:
Kilowatt Hours (kWh)
Range: 120V - 240V
Accuracy: ±0.45% of reading + 0.05% FS through 25th harmonic (dependent on CT used and line variation accuracy could be 1.5% to 4% of reading)

Compatible Data Loggers:

H21-002, H22-001, U30-NRC, U30-GSM, U30-WIF, U30-ETH See more

$249

Veris Kilowatt Hour Transducer 1-Phase, 300 Amp Sensor - T-VER-8051-300

Supported Measurements:
Kilowatt Hours (kWh)
Range: 0-300 Amp
Accuracy: ±1% (3-phase model per ANSI C12.1

Compatible Data Loggers:

H21-002, H22-001, U30-NRC, U30-GSM, U30-WIF, U30-ETH See more

$642

Veris Kilowatt Hour Transducer 3-Phase, 800 Amp Sensor - T-VER-8053-800

Supported Measurements:
Kilowatt Hours (kWh)
Range: 0-800 Amp
Accuracy: ±1% (3-phase model per ANSI C12.1

Compatible Data Loggers:

H21-002, H22-001, U30-NRC, U30-GSM, U30-WIF, U30-ETH See more

$849

HOBO 4-Channel Pulse Data Logger - UX120-017M

Supported Measurements (sensors sold separately):
Energy: AC Current, AC Voltage, Amp Hour (Ah), kW, kWh, Power Factor (PF) See more, Pulse Input, Volatile Organic Compound (VOC), Volt-Amp Reactive (VAR), Volt-Amp Reactive Hour (VARh), Volt-Amps (VA), Volts (V), Watt Hours (Wh), Watts (W), Amps (A) See less

$295

HOBO UX90 State Logger - UX90-001

Supported Measurements:
Event, Kilowatt Hours (kWh), Motor On/Off, Pulse Input, Runtime, State Open/Closed, Water Flow
Range: Internal: Magnetic Reed Switch
External Contact Input: Electronic solid state switch closure or logic driven voltage output
Replacement for: H06-001-02, U9-001

Compatible Sensors:

CSV-A8, T-MAG-0400-05, T-MAG-0400-10, T-MAG-0400-20, T-MAG-0400-50, T-MAG-0400-75 See more

$85

HOBO UX90 State Logger - UX90-001M
Extended Memory

Supported Measurements:
Event, Kilowatt Hours (kWh), Motor On/Off, Pulse Input, Runtime, State Open/Closed, Water Flow
Range: Internal: Magnetic Reed Switch
External Contact Input: Electronic solid state switch closure or logic driven voltage output
Replacement for: H06-001-02, U9-001

Compatible Sensors:

CSV-A8, T-MAG-0400-05, T-MAG-0400-10, T-MAG-0400-20, T-MAG-0400-50, T-MAG-0400-75 See more

$110

HOBO U30 Cellular Data Logger - U30-GSM
15 Channel Web-based Monitoring System

Supported Measurements (sensors sold separately):
Weather:Barometric Pressure, Leaf Wetness, Light Intensity, PAR, Pulse Input, Rainfall See more, Relative Humidity, Soil Moisture, Solar Radiation, Temperature, Wind Speed & Direction, 4-20mA, Voltage Input See less
Energy: AC Current, AC Voltage, Air Velocity, Amp Hour (Ah), Carbon Dioxide, Compressed Air Flow See more, DC Current, DC Voltage, Differential Pressure, Gauge Pressure, kW, kWh, Power Factor (PF), Pulse Input, Temperature, Volatile Organic Compound (VOC), Volt-Amp Reactive (VAR), Volt-Amp Reactive Hour (VARh), Volt-Amps (VA), Volts (V), Water Flow, Watt Hours (Wh), Watts (W), 4-20mA, Amps (A), Relative Humidity See less

Compatible Sensors:

S-BPB-CM50, S-CIA-CM14, S-FS-TRMSA-D, S-LIA-M003, S-LIB-M003, S-LWA-M003 See more

Starting at $850

Need Help?
Call 1-800-564-4377

HOBO U30 Wi-Fi Data Logger - U30-WIF
15 Channel Web-based Monitoring System

Supported Measurements (sensors sold separately):
Weather:Barometric Pressure, Leaf Wetness, Light Intensity, PAR, Pulse Input, Rainfall See more, Relative Humidity, Soil Moisture, Solar Radiation, Temperature, Wind Speed & Direction, 4-20mA, Voltage Input See less
Energy: AC Current, AC Voltage, Air Velocity, Amp Hour (Ah), Carbon Dioxide, Compressed Air Flow See more, DC Current, DC Voltage, Differential Pressure, Gauge Pressure, kW, kWh, Power Factor (PF), Pulse Input, Temperature, Volatile Organic Compound (VOC), Volt-Amp Reactive (VAR), Volt-Amp Reactive Hour (VARh), Volt-Amps (VA), Volts (V), Water Flow, Watt Hours (Wh), Watts (W), 4-20mA, Amps (A), Relative Humidity See less

Compatible Sensors:

S-BPB-CM50, S-CIA-CM14, S-FS-TRMSA-D, S-LIA-M003, S-LIB-M003, S-LWA-M003 See more

Starting at $789

Need Help?
Call 1-800-564-4377

HOBO® U30 Ethernet Data Logger - U30-ETH
15 Channel Web-based Monitoring System

Supported Measurements (sensors sold separately):
Weather:Barometric Pressure, Leaf Wetness, Light Intensity, PAR, Pulse Input, Rainfall See more, Relative Humidity, Soil Moisture, Solar Radiation, Temperature, Wind Speed & Direction, 4-20mA, Voltage Input See less
Energy: AC Current, AC Voltage, Air Velocity, Amp Hour (Ah), Carbon Dioxide, Compressed Air Flow See more, DC Current, DC Voltage, Differential Pressure, Gauge Pressure, kW, kWh, Power Factor (PF), Pulse Input, Temperature, Volatile Organic Compound (VOC), Volt-Amp Reactive (VAR), Volt-Amp Reactive Hour (VARh), Volt-Amps (VA), Volts (V), Water Flow, Watt Hours (Wh), Watts (W), 4-20mA, Amps (A), Relative Humidity See less

Compatible Sensors:

S-BPB-CM50, S-CIA-CM14, S-FS-TRMSA-D, S-LIA-M003, S-LIB-M003, S-LWA-M003 See more

Starting at $694

Need Help?
Call 1-800-564-4377

HOBO Micro Station Data Logger - H21-002
4 Smart Sensor Inputs

Supported Measurements (sensors sold separately):
Weather:Barometric Pressure, Leaf Wetness, Light Intensity, PAR, Pulse Input, Rainfall See more, Relative Humidity, Soil Moisture, Solar Radiation, Temperature, Wind Speed & Direction, 4-20mA, Voltage Input See less
Energy: DC Voltage, kWh, Pulse Input, Temperature, Water Flow, 4-20mA, Relative Humidity

$231

Measurement and Verification (power monitoring) System - Single Phase - KIT-MV-1P

Supported Measurements:
Kilowatt Hours (kWh), Kilowatts (kW)

$899

HOBO U30 USB Data Logger - U30-NRC
15 Channel Energy Monitoring and Weather Station

Supported Measurements (sensors sold separately):
Weather:Barometric Pressure, Leaf Wetness, Light Intensity, PAR, Pulse Input, Rainfall See more, Relative Humidity, Soil Moisture, Solar Radiation, Temperature, Wind Speed & Direction, 4-20mA, Voltage Input See less
Energy: AC Current, AC Voltage, Air Velocity, Amp Hour (Ah), Carbon Dioxide, Compressed Air Flow See more, DC Current, DC Voltage, Differential Pressure, Gauge Pressure, kW, kWh, Power Factor (PF), Pulse Input, Temperature, Volatile Organic Compound (VOC), Volt-Amp Reactive (VAR), Volt-Amp Reactive Hour (VARh), Volt-Amps (VA), Volts (V), Water Flow, Watt Hours (Wh), Watts (W), 4-20mA, Amps (A), Relative Humidity See less

Compatible Sensors:

S-BPB-CM50, S-CIA-CM14, S-FS-TRMSA-D, S-LIA-M003, S-LIB-M003, S-LWA-M003 See more

Starting at $418

Need Help?
Call 1-800-564-4377

Measurement and Verification (power monitoring) System - 3 Phase - KIT-MV-3P

Supported Measurements:
Kilowatt Hours (kWh), Kilowatts (kW)

$999

HOBO ZW-005 Four-Channel Data Node
1 Temp, 1 RH, 1 Analog and 1 Pulse

Supported Measurements (some sensors sold separately):
Temperature, Relative Humidity, 4-20mA, AC Current, AC Voltage, Air Velocity See more, Amp Hour (Ah), Amps (A), Carbon Dioxide, Compressed Air Flow, DC Current, DC Voltage, Differential Pressure, Gauge Pressure, Kilowatt Hours (kWh), Kilowatts (kW), Power Factor (PF), Pulse Input, Volatile Organic Compound, Volt-Amp Reactive (VAR), Volt-Amp Reactive Hour (VARh), Volt-Amps (VA), Volts (V), Water Flow, Watt Hours (Wh), Watts (W) See less
Range: Temperature: -40° to 70°C (-40 to 158°F) RH: 0 to 100% RH, -40° to 70°C (-40° to 158°F) Analog channel: 0 to 2.5 VDC, 0 to 5 VDC (with CABLE-ADAP5), 0 to 10 VDC (with CABLE-ADAP10), 4-20mA (with CABLE-4-20-mA)
Accuracy: Temperature: ±0.21°C from 0 to 50°C (±0.38°F from 32° to 122°F); see Plot A RH: ± 2.5% from 10 to 90% typical, max. ± 3.5% Analog channel: ± 1.544 mV plus 2% of reading typical

$299

HOBO Energy Logger - H22-001
multi-channel data logger

Supported Measurements (sensors sold separately):
Temperature, Relative Humidity, 4-20mA, AC Current, AC Voltage, Air Velocity See more, Amp Hour (Ah), Carbon Dioxide, Compressed Air Flow, DC Current, DC Voltage, Differential Pressure, Gauge Pressure, Kilowatt Hours (kWh), Kilowatts (kW), Power Factor (PF), Pulse Input, Volatile Organic Compound, Volt-Amp Reactive (VAR), Volt-Amp Reactive Hour (VARh), Volt-Amps (VA), Water Flow, Watt Hours (Wh), Watts (W), Wind See less
Range:
-20° to 50°C (-4° to 122°F) with alkaline batteries
-40° to 60°C (-40° to 140°F) with lithium batteries
Accuracy: 0 to 2 sec for the first data point and ±5 sec per week at 25°C (77°F)

Compatible Sensors:

S-BPA-CM10, S-BPB-CM50, S-CIA-CM14, S-FS-CVIA, S-FS-TRMSA, S-FS-TRMSA-D See more

$331

HOBO ZW-008 Four External Channel Data Node
External; 2 Analog and 2 Pulse

Supported Measurements (some sensors sold separately):
Temperature, 4-20mA, AC Current, AC Voltage, Air Velocity, Amp Hour (Ah) See more, Amps (A), Carbon Dioxide, Compressed Air Flow, DC Current, DC Voltage, Differential Pressure, Gauge Pressure, Kilowatt Hours (kWh), Kilowatts (kW), Power Factor (PF), Pulse Input, Volatile Organic Compound, Volt-Amp Reactive (VAR), Volt-Amp Reactive Hour (VARh), Volt-Amps (VA), Volts (V), Water Flow, Watt Hours (Wh), Watts (W) See less
Range: Analog channels: 0 to 2.5 Vdc; 0 to 5 Vdc (w/ CABLEADAP5); 0 to 10 Vdc (w/ CABLEADAP10); 4-20 mA (w/CABLE-2.5-STEREO)
Pulse channel: 0 to 65,535 pulses per logging interval
Accuracy: Analog: ± 1.544 mV plus 2% of reading (typical)

$219

HOBO 4-Channel Pulse Data Logger - UX120-017

Supported Measurements (sensors sold separately):
Energy: AC Current, AC Voltage, Amp Hour (Ah), kW, kWh, Power Factor (PF) See more, Pulse Input, Volatile Organic Compound (VOC), Volt-Amp Reactive (VAR), Volt-Amp Reactive Hour (VARh), Volt-Amps (VA), Volts (V), Watt Hours (Wh), Watts (W), Amps (A) See less

$195

kW & kWh Data Loggers & Sensors

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