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Part Number -
UX90-004
HOBO Motor On/Off Data Logger
$155.00 USD
Records motor on/off conditions within an AC magnetic field with its internal sensor, or mechanical dry contact closures from external sensing devices.
Important Information
Requires HOBOware software and a USB cable. (Note: A USB-A to USB-B mini cable is included w/HOBOware Pro USB Drive software purchase). See compatible items below.
Compatible with
Overview
Records motor on/off conditions within an AC magnetic field with its internal sensor, or mechanical dry contact closures from external sensing devices. This logger is ideal for tracking the usage and runtimes of motors, pumps, compressors, and other equipment.
Item number UX90-004M has been discontinued.
Features
- Dual internal motor sensors gives better sensitivity for well-shielded motors
- External input for measuring mechanical contact closures when signal strength is low
- Auto-calibration of ON and OFF thresholds ensures reliable readings
- Compatible with HOBOware and HOBOware Pro software for logger setup and graphing & analysis
Specifications
Internal Motor Sensor
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>40 mGauss at 60 Hz
AC Magnetic Field Threshold
External Input
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Electronic solid state switch closure or logic driven voltage output
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0 to 3 V DC (USB powered), 0 to 2.5 V DC (battery powered)
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1 Hz
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Input Low: < 10 KΩ; Input High: > 500 KΩ
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100 KΩ
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Solid state switch closure: 100 KΩ pull up
External Contact Input
Range
Maximum State and Runtime Frequency
Solid State Switch Closure
Internal Weak Pull-Up
Input Impedance
Logger
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Pulse: 1 pulse, Runtime: 1 second, State and Event: 1 State or Event
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Wrap when full or stop when full
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Immediate, push button, date & time, or next interval
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When memory full, push button, or date & time
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±1 minute per month at 25°C (77°F) (see Plot A)
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One 3V CR2032 lithium battery and USB cable
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1 year, typical with logging intervals greater than 1 minute and normally open contacts
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UX90-004: 128 KB (84,650 measurements, maximum)UX90-004M: 512 KB (346,795 measurements, maximum)
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USB 2.0 interface
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10 seconds for 128 KB; 30 seconds for 512 KB
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Logging: -20° to 70°C (-4° to 158°F); 0 to 95% RH (non-condensing)Launch/Readout: 0° to 50°C (32° to 122°F) per USB specification
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LCD is visible from: 0° to 50°C (32° to 122°F); the LCD may react slowly or go blank in temperatures outside this range
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3.66 x 8.48 x 1.52 cm1.44 x 3.34 x 0.6 in.
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30 g1.06 oz
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IP50
Resolution
Memory Modes
Start Modes
Stop Modes
Time Accuracy
Power Source
Battery Life
Memory
Download Type
Full Memory Download Time
Logger Operating Range
LCD
Size
Weight
Environmental Rating
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Compatible items
Compliance Certificates
Accessories
Communication Cables
Batteries
Replacement Parts
Graphing & Analysis
Motor On/Off
AC Current Switch Sensor
- Requires item CABLE-2.5-STEREO from the DC VOLT Cables product Page
$129.00 USD
State Input
What's in the box
- HOBO UX90-004 Motor On/Off Data Logger
- Command™ strip
- Double-sided tape
- Hook & loop strap
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