Forafull product specification, see: Documentation
INTERNAL SENSOR:
Maximum Frequency for Status, Event, Operating Time: 1 Hz
Desired Condition of Switch: No Magnet Present (Normally Open)
EXTERNAL INPUT:
Type of External Contact: Electronic fixed state switch or logic-controlled voltage output
Voltage range:
USB operation: 0 to 3 V DC
Battery operation: 0 to 2.5 V DC
Maximum pulse frequency: 50 Hz
Pulse, Event Delay Time: 0 to 1 second in 100 ms increments
Fixed Status Switch:
Input Low: < 10 KΩ
Input High: > 500 KΩ
Internal Weak Pull-up: 100 KΩ
Input impedance: 100 KΩ with pull-up
LOGGERS:
Resolution: Pulse: 1 pulse Operating time: 1 second
Log frequency: 1 second to 18 hours, 12 minutes, 15 seconds
Memory modes: Stop or restart when memory is full
Start modes: Immediate, push button, date & time, or next interval
Stop modes: When memory is full, push button, or date & time
Time accuracy: ±1 minute per month at 25°C
Power source: 1x 3V CR2032 lithium battery or USB cable
Battery life: 1 year with logging intervals greater than 1 minute and normally open contacts
Memory:
UX90-001: 128 KB (maximum 84,650 measurements)
Download: USB 2.0
Logging: -20° to 70°C; 0 to 95% RH (non-condensing)
Start/Readout: 0° to 50°C according to the USB specification
LCD:
Visible from: 0° to 50°C; may react slowly or become glossy at temperatures outside this range
Size:
3.66 x 5.94 x 1.52 cm
Weight: 23 g
Environmental rating: IP50
