Data Logger

Motor On/Off Data Logger

Records motor on/off conditions within an AC magnetic field with its internal sensor, or mechanical dry contact closures from external sensing devices.

HOBO Motor On/Off Data Logger

Overview

This logger is ideal for tracking the usage and runtimes of motors, pumps, compressors, and other equipment.

Item number UX90-004M has been discontinued.

HOBO Motor On/Off Data Logger

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

HOBO Motor On/Off Data Logger

Specifications

Internal Motor Sensor

AC Magnetic Field Threshold

>40 mGauss at 60 Hz

External Input

External Contact Input

Electronic solid state switch closure or logic driven voltage output

Range

0 to 3 V DC (USB powered), 0 to 2.5 V DC (battery powered)

Maximum State and Runtime Frequency

1 Hz

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

Logger

Resolution

Pulse: 1 pulse, Runtime: 1 second, State and Event: 1 State or Event

Memory Modes

Wrap when full or stop when full

Start Modes

Immediate, push button, date & time, or next interval

Stop Modes

When memory full, push button, or date & time

Time Accuracy

±1 minute per month at 25°C (77°F) (see Plot A)

Power Source

One 3V CR2032 lithium battery and USB cable

Battery Life

1 year, typical with logging intervals greater than 1 minute and normally open contacts

Memory

UX90-004: 128 KB (84,650 measurements, maximum)
UX90-004M: 512 KB (346,795 measurements, maximum)

Download Type

USB 2.0 interface

Full Memory Download Time

10 seconds for 128 KB; 30 seconds for 512 KB

Logger Operating Range

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

LCD

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

Size

3.66 x 8.48 x 1.52 cm
1.44 x 3.34 x 0.6 in.

Weight

30 g
1.06 oz

Environmental Rating

IP50

HOBO Motor On/Off Data Logger

Motor On/Off Data Logger

For more informationcontact us.

Choose manual language:

Choose quick start language:

Features

Choose manual language:

Choose quick start language:

Related Products

The 8200-01S Smart Chamber is a portable, self-powered 20 cm survey chamber used to assess the spatial variability of soil gas fluxes.
A four-channel thermocouple LCD display data logger to measure and record temperature in a broad range of monitoring applications.
LI-830 and LI-850 are just right – bringing proven performance at an economical price to provide CO2 gas measurements that you can depend on day after day.
Records motor on/off conditions within an AC magnetic field with its internal sensor, or mechanical dry contact closures from external sensing devices.
The LI-7500DS is designed for high-speed CO2 and water vapor measurements in ambient air. Lower power and maintenance requirements make it ideal for field deployments.
The 6800-18 Aquatic Chamber is used to measure steady-state carbon assimilation and chlorophyll a fluorescence from algal suspensions, coral, macro algae, and sea grasses.
The LI-180 Spectrometer lets you capture the spectral composition of your light sources with a single click.
A durable water temperature data logger with 12-bit resolution.
The LI-7820 N2O/H2O Trace Gas Analyzer offers high-precision nitrous oxide measurements in a low power, portable design—enabling it to easily integrate into survey and long-term soil flux systems.
A waterproof temperature/light-level logger using the power of Bluetooth to deliver accurate data straight to your mobile device or Windows computer running our free HOBOconnect app.

How can we help?

You may contact our specialists by accomplishing form below.

failure analysis, material characterization, and metrology equipment

Subscribe to newsletter

Sign up for our newsletter to get updates on promos, seminars, events, products, application notes and more.

Inquire for this Product

Motor On/Off Data Logger
Data Logger
Motor On/Off Data Logger
Data Logger