Onset HOBO - Model UX120-017 - 4-Channel Pulse Data Logger
Measures: Event, Kilowatt Hours (kWh), Motor On/Off, Pulse Input, Runtime, State Open/Closed, Water Flow. The HOBO UX120 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 commissioners – to easily track building energy consumption, equipment runtimes, and water and gas flow rates. The HOBO UX120 Pulse Logger is available in a standard memory model (UX120-017) capable of 500,000 measurements and an expanded memory version (UX120-017M) capable of over 4,000,000 measurements.
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Simultaneously measures and records pulse signals,...
- Simultaneously measures and records pulse signals, events, state changes, and runtimes
- Stores up to over 4 million measurements, enabling longer deployments with fewer site visits
- Maximum pulse rate – 120 Hz
- Pulse input range – 0 to 24VDC
- Streamlines deployment via a range of start/stop options, logger status LEDs, and high-speed USB 2.0 data offload
- Works with Onset's Energy & Power Meter to measure Power Factor (PF), Reactive Power (VAR), Watt Hours (Wh) and more.
- The T-VER-E50B2 Energy and Power Meter outputs (3) sets of pulses which are logged by the UX120-017. These pulses represent Watt-hours, Amp-hours, and VAR-hours. HOBOware software uses these pulse values to calulate AC Current, AC Voltage, kW, Power Factor, VARs, and VA. The formulas used in these calculations can be found here: 14993-A-Derived-Channels.zip
- Compatible with HOBOware and HOBOware Pro software for logger setup, graphing and analysis
Environment:
The UX120-017 Data Logger is for use in Indoor environments
Measurements:
The UX120-017 Data Logger supports the following measurements (sensors sold separately):
State, Event, Runtime or Pulses from a variety of sensors including energy and flow meters.
Specifications
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
- 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
- The CE Marking identifies this product as complying with all relevant directives in the European Union (EU).
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