Onset HOBO UX90 Light On/Off Data Logger

The Onset HOBO UX90 Light on/off logger monitors indoor light changes with an internal sensor and records light on/off conditions; ideal for building energy audits and light usage analysis.

Features

  • Auto-calibration of ON and OFF thresholds
  • User-adjustable sensitivity control for low/high light level conditions
$139.00
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Overview
The Onset HOBO UX90 Light on/off logger monitors indoor light changes with an internal sensor and records light on/off conditions; ideal for building energy audits and light usage analysis.

Memory 
This logger is available in a standard 128 KB memory model (UX90-002) capable of 84,650 measurements and an expanded 512KB memory version (UX90-002M) capable of over 346,795 measurements.

Light Threshold

> 65 lux

Light Type

LED, CFL, fluorescent, HID, incandescent, natural

Start Modes

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

Stop Modes

When memory full, push button, or date & time

Power Source

One 3V CR2032 lithium battery and USB cable

Battery Life

1 year typical use

Memory

UX90-002: 128 KB (84,650 measurements, maximum)

UX90-002M: 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 5.94 x 1.52 cm (1.44 x 2.34 x 0.6 in.)
Weight
23 g (0.81 oz)
Environmental Rating

IP50

Memory Modes

Wrap when full or stop when full

  • HOBO UX90-002x Light On/Off Data Logger
  • Command™ strip
  • Double-sided tape
  • Hook & loop strap
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Onset HOBO UX90 Light On/Off Data Logger
UX90-002
HOBO UX90 light on/off time-of-use logger (128K)
$139.00
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