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HOBO 4-Channel Pulse Data Logger UX120-017M

The HOBO UX120M Pulse Logger is a highly versatile, 4-channel energy data logger that combines the functionality of four separate data loggers into one compact unit. It enables energy management professionals – from energy auditors to building commis

HOBO 4-Channel Pulse Data Logger UX120-017M

Contacts and Location

Description

The HOBO UX120M Pulse Logger is a highly versatile, 4-channel energy data logger that combines the functionality of four separate data loggers into one compact unit. It enables energy management professionals – from energy auditors to building commis

Specification

Key Advantages:

  • Simultaneously measures and records pulse signals, events, state changes, and runtimes
  • Stores over 4 million measurements, enabling longer deployments with fewer site visits
  • Streamlines deployment via range of start/stop options, logger status LEDs, and high-speed USB 2.0 data offload
  • Works with Onset’s E50B2 Power & Energy Meter to measure Power Factor, Reactive Power, Watt Hours, and more

Specification Inputs:

  • External Contact Input: Electronic solid state switch closure or logic driven digital signals to 24 V
  • Maximum Pulse Frequency: 120 Hz
  • Maximum State, Event, Runtime Frequency: 1 Hz
  • Bits: 4–32 bits depending on pulse rate and logging interval
  • Maximum Pulses Per Interval: 7,863,960 (using maximum logging rate)
  • Driven Logic Signal: Input Low: ≤ 0.4 V; Input High: 3 to 24 V
  • Absolute Maximum Rating: Maximum Voltage: 25 V DC
  • Absolute Maximum Rating: Minimum Voltage: -0.3 V DC
  • Solid State Switch Closure: Input Low: < 10 KΩ; Input High: > 500 KΩ
  • Internal Weak Pull-Up: 100 KΩ
  • Input Impedance: Solid state switch closure: 100 KΩ pull up; *Driven signal: 4.5 KΩ
  • Minimum Pulse Width: Contact closure duration: 500 uS; Driven logic signal: 100 uS
  • Lockout Time: 0 to 1 second in 100 ms steps
  • Edge Detection: Falling edge, Schmitt Trigger buffer
  • Preferred Switch State: Normally open or Logic "1" state

Logging:

  • Resolution: Pulse: 1 pulse, Runtime: 1 second, State and Event: 1 State or Event
  • Logging Rate: 1 second to 18 hours, 12 minutes, 15 seconds
  • Time Accuracy: ± 1 minute per month at 25°C (77°F) (see Plot A on next page)
  • Battery Type: Two AA alkaline or lithium batteries
  • Battery Life: 1 year, typical with logging intervals greater than 1 minute and normally open contacts

Memory:

  • Memory: UX120-017: 520,192 measurements (assumes 8-bit) UX120-017M: 4,124,672 measurements (assumes 8-bit)
  • Download Type: USB 2.0 interface
  • Download Time: 30 seconds for UX120-017, 1.5 minutes for UX120-017M

Physical:

  • Operating Range: Logging: -40° to 70°C (-40° to 158°F); 0 to 95% RH (non-condensing)
  • Launch/Readout: 0° to 50°C (32° to 122°F) per USB specification
  • Weight: 149 g (5.26 oz)
  • Size: 11.4 x 6.3 x 3.3 cm (4.5 x 2.5 x 1.3 inches)
  • Environmental Rating: IP50
  • CE: The CE Marking identifies this product as complying with all relevant directives in the European Union (EU).

Services

Supported Measurements: Pulse Signals, Event, Runtime, State, AC Current, AC Voltage, Amp Hour, Kilowatt Hours, Kilowatts, Motor On/Off, Power Factor, Volt-Amps, Watt Hours, Watts, Volt-Amp Reactive, Volt-Amp Reactive Hour

Status

free for rental

Funding Source

National Research Centers (VNPC) -
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