Energy & Power Sensors

Onset offers a broad range of external data logging sensors for monitoring energy and power consumption. This includes plug-in sensors for measuring kilowatt hours, current, voltage, amp hours, and a variety of other parameters. With energy and power sensors, you can track building energy use to understand energy profiles, manage peak demand, verify energy cost savings to determine ROI of new equipment, and monitor equipment runtimes to ensure efficient operation.


Results: 1 to 16 of 43

  • The CABLE-ADAP24 is an external input cable providing analog sensor input of 0-24 Vdc max. for HOBO ZW Series data nodes, UX120, and U12 series data loggers with one or more analog inputs. The cable has 13mm (0.5") tinned braided wire leads and a total length 1.9m (6.3 ft.).

    $12

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    CABLE-ADAP24 Sensor

    The CABLE-ADAP24 is an external input cable providing analog sensor input of 0-24 Vdc max. for HOBO ZW Series data nodes, UX120, and U12 series data loggers with one or more analog inputs. The cable has 13mm (0.5") tinned braided wire leads and a total length 1.9m (6.3 ft.).


    $12


  • The Accu-CT split-core current transformer offers outstanding accuracy and one-handed operation.
    $45

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    T-ACT-0750-020 Sensor

    The Accu-CT split-core current transformer offers outstanding accuracy and one-handed operation.


    $45


  • The Accu-CT split-core current transformer offers outstanding accuracy and one-handed operation.

    $45

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    T-ACT-0750-100 Sensor

    The Accu-CT split-core current transformer offers outstanding accuracy and one-handed operation.


    $45


  • The Accu-CT split-core current transformer offers outstanding accuracy and one-handed operation.

    $45

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    T-ACT-0750-050 Sensor

    The Accu-CT split-core current transformer offers outstanding accuracy and one-handed operation.


    $45

  • T-ACT-0750-250

    The Accu-CT split-core current transformer offers outstanding accuracy and one-handed operation.

    $45

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    T-ACT-0750-250 Sensor

    The Accu-CT split-core current transformer offers outstanding accuracy and one-handed operation.


    $45

  • T-VER-E50B2

    Build better energy efficiency and power management with the E50B2 Power & Energy Meter. This cost-effective sensor is simple to deploy and can either be installed on standard DIN rail or be surface mounted. The E50B2 integrates with HOBO UX, U30, ZW, H22, and H21 data loggers.

    $599

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    T-VER-E50B2 Sensor

    Build better energy efficiency and power management with the E50B2 Power & Energy Meter. This cost-effective sensor is simple to deploy and can either be installed on standard DIN rail or be surface mounted. The E50B2 integrates with HOBO UX, U30, ZW, H22, and H21 data loggers.


    $599


  • The small size 75 AMP split-core AC Current Transformer (CT) is mounted around a current carrying wire to measure AC amperage. This CT provides a 0 to .333 Volt AC output proportional to current flow and is used with Onset data loggers via the FlexSmart TRMS module and with kWh transducers (WattNodes) for True RMS measurement of sinusoidal and non-sinusoidal waveforms. The result is an accurate current measurement for many types of electrical equipment.

    $35

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    T-MAG-0400-75 Sensor

    The small size 75 AMP split-core AC Current Transformer (CT) is mounted around a current carrying wire to measure AC amperage. This CT provides a 0 to .333 Volt AC output proportional to current flow and is used with Onset data loggers via the FlexSmart TRMS module and with kWh transducers (WattNodes) for True RMS measurement of sinusoidal and non-sinusoidal waveforms. The result is an accurate current measurement for many types of electrical equipment.


    $35


  • The small size 20 AMP split-core AC Current Transformer (CT) is mounted around a current carrying wire to measure AC amperage. This CT provides a 0 to .333 Volt AC output proportional to current flow and is used with Onset data loggers via the FlexSmart TRMS module and with kWh transducers (WattNodes) for True RMS measurement of sinusoidal and non-sinusoidal waveforms. The result is an accurate current measurement for many types of electrical equipment.

    $35

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    T-MAG-0400-20 Sensor

    The small size 20 AMP split-core AC Current Transformer (CT) is mounted around a current carrying wire to measure AC amperage. This CT provides a 0 to .333 Volt AC output proportional to current flow and is used with Onset data loggers via the FlexSmart TRMS module and with kWh transducers (WattNodes) for True RMS measurement of sinusoidal and non-sinusoidal waveforms. The result is an accurate current measurement for many types of electrical equipment.


    $35


  • The small size 10 AMP split-core AC Current Transformer (CT) is mounted around a current carrying wire to measure AC amperage. This CT provides a .333 Volt AC output proportional to current flow and is used with Onset data loggers via the FlexSmart TRMS module and with kWh transducers (WattNodes) for True RMS measurement of sinusoidal and non-sinusoidal waveforms. The result is an accurate current measurement for many types of electrical equipment.

    $35

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    T-MAG-0400-10 Sensor

    The small size 10 AMP split-core AC Current Transformer (CT) is mounted around a current carrying wire to measure AC amperage. This CT provides a .333 Volt AC output proportional to current flow and is used with Onset data loggers via the FlexSmart TRMS module and with kWh transducers (WattNodes) for True RMS measurement of sinusoidal and non-sinusoidal waveforms. The result is an accurate current measurement for many types of electrical equipment.


    $35


  • The small size 50 AMP split-core AC Current Transformer (CT) is mounted around a current carrying wire to measure AC amperage. This CT provides a 0 to .333 Volt AC output proportional to current flow and is used with Onset data loggers via the FlexSmart TRMS module and with kWh transducers (WattNodes) for True RMS measurement of sinusoidal and non-sinusoidal waveforms. The result is an accurate current measurement for many types of electrical equipment.

    $35

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    T-MAG-0400-50 Sensor

    The small size 50 AMP split-core AC Current Transformer (CT) is mounted around a current carrying wire to measure AC amperage. This CT provides a 0 to .333 Volt AC output proportional to current flow and is used with Onset data loggers via the FlexSmart TRMS module and with kWh transducers (WattNodes) for True RMS measurement of sinusoidal and non-sinusoidal waveforms. The result is an accurate current measurement for many types of electrical equipment.


    $35


  • The small size 5 AMP split-core AC Current Transformer (CT) is mounted around a current carrying wire to measure AC amperage. This CT provides a .333 Volt AC output proportional to current flow and is used with Onset data loggers via the FlexSmart TRMS module and with kWh transducers (WattNodes) for True RMS measurement of sinusoidal and non-sinusoidal waveforms. The result is an accurate current measurement for many types of electrical equipment.

    $35

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    T-MAG-0400-05 Sensor

    The small size 5 AMP split-core AC Current Transformer (CT) is mounted around a current carrying wire to measure AC amperage. This CT provides a .333 Volt AC output proportional to current flow and is used with Onset data loggers via the FlexSmart TRMS module and with kWh transducers (WattNodes) for True RMS measurement of sinusoidal and non-sinusoidal waveforms. The result is an accurate current measurement for many types of electrical equipment.


    $35


  • The WattNode sensor provides accurate kWh measurement at a low cost to meet your needs for sub-metering, net-metering, energy management, and performance contracting applications.

    This WattNode kWh Transducer works with Magnelab AC Current Transformers and a Pulse Input Adapter, or a HOBO® Data Node pulse input port to provide True RMS kilowatt hours of energy used, even for loads with non-sinusoidal waveforms. Because these sensors tie directly into the line, they should be used only by qualified personnel. This model supports up to 3 separate 120 VAC single-phase branch circuits or individual 120 VAC phases of a 3-phase wye-connection 208/240 VAC circuit.

    $249

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    T-WNB-3Y-208-P Sensor

    The WattNode sensor provides accurate kWh measurement at a low cost to meet your needs for sub-metering, net-metering, energy management, and performance contracting applications.

    This WattNode kWh Transducer works with Magnelab AC Current Transformers and a Pulse Input Adapter, or a HOBO® Data Node pulse input port to provide True RMS kilowatt hours of energy used, even for loads with non-sinusoidal waveforms. Because these sensors tie directly into the line, they should be used only by qualified personnel. This model supports up to 3 separate 120 VAC single-phase branch circuits or individual 120 VAC phases of a 3-phase wye-connection 208/240 VAC circuit.


    $249


  • The CABLE-ADAP10 is an external input cable providing analog sensor input of 0-10 Vdc max. for HOBO ZW Series data nodes, UX120, and U12 series data loggers with one or more analog inputs. The cable has 13mm (0.5") tinned braided wire leads and a total length 1.9m (6.3 ft.).

    $12

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    CABLE-ADAP10 Sensor

    The CABLE-ADAP10 is an external input cable providing analog sensor input of 0-10 Vdc max. for HOBO ZW Series data nodes, UX120, and U12 series data loggers with one or more analog inputs. The cable has 13mm (0.5") tinned braided wire leads and a total length 1.9m (6.3 ft.).


    $12


  • The CABLE-ADAP5 is an external input cable providing analog sensor input of 0-5 Vdc max. for HOBO ZW Series data nodes, UX120, and U12 series data loggers with one or more analog inputs. The cable has 13mm (0.5") tinned braided wire leads and a total length 1.9m (6.3 ft.).

    $12

    x
    Full Product Details
    CABLE-ADAP5 Sensor

    The CABLE-ADAP5 is an external input cable providing analog sensor input of 0-5 Vdc max. for HOBO ZW Series data nodes, UX120, and U12 series data loggers with one or more analog inputs. The cable has 13mm (0.5") tinned braided wire leads and a total length 1.9m (6.3 ft.).


    $12


  • The Electronic Switch Pulse Input Adapter connects sensors with pulse outputs to data loggers with smart-sensor inputs. This Smart Sensor is compatible with electronic switch closures such as FET or open-collector outputs, or CMOS-level logic signals with a maximum input frequency of 120 Hz (120 pulses per second). See how the pulse recorder works.

    Add Extended warranty for $7.40/unit?

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    (this choice will apply to all existing S-UCC-M001 in your cartquote request)
    $74

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    S-UCC-M001 Sensor

    The Electronic Switch Pulse Input Adapter connects sensors with pulse outputs to data loggers with smart-sensor inputs. This Smart Sensor is compatible with electronic switch closures such as FET or open-collector outputs, or CMOS-level logic signals with a maximum input frequency of 120 Hz (120 pulses per second). See how the pulse recorder works.


    $74
    Add Extended warranty for $7.40/unit?

    Yes No thanks

    (this choice will apply to all existing S-UCC-M001 in your cartquote request)
  • S-UCD-M001

    The Contact Closure Pulse Input Adapter connects sensors with pulse outputs to data loggers with smart-sensor inputs. This smart sensor is compatible with contact closures, such as tipping-bucket rain gauges or reed switches with a maximum input frequency of 2 Hz (2 pulses per second), and a preferred switch-type of normally-open. See how the pulse recorder works.

    Add Extended warranty for $7.40/unit?

    Yes No thanks

    (this choice will apply to all existing S-UCD-M001 in your cartquote request)
    $74

    x
    Full Product Details
    S-UCD-M001 Sensor

    The Contact Closure Pulse Input Adapter connects sensors with pulse outputs to data loggers with smart-sensor inputs. This smart sensor is compatible with contact closures, such as tipping-bucket rain gauges or reed switches with a maximum input frequency of 2 Hz (2 pulses per second), and a preferred switch-type of normally-open. See how the pulse recorder works.


    $74
    Add Extended warranty for $7.40/unit?

    Yes No thanks

    (this choice will apply to all existing S-UCD-M001 in your cartquote request)

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