Overview
Records state changes, electronic pulses, and mechanical or electrical contact closures from external sensing devices. Ideal for monitoring energy consumption, mechanical equipment operation, and water and gas flow.
Item number UX90-001M has been discontinued.
Features
- One logger with four recording modes
- Internal reed switch can be used to determine when a door or window is open or closed
- Compatible with a wide range of external sensors
- Ships with 2.5 mm input cable
- Compatible with HOBOware and HOBOware Pro software for logger setup and graphing & analysis
Specifications
Internal Sensor
Maximum State, Event, Runtime Frequency
1 Hz
Preferred Switch State
No magnet present (normally open)
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 Pulse Frequency
50 Hz
Maximum State, Event, Runtime Frequency
1 Hz
Pulse, Event Lockout Time
0 to 1 second in 100 ms steps
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
Logging Rate
1 second to 18 hours, 12 minutes, 15 seconds
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
UX90-001: 128 KB (84,650 measurements, maximum)
UX90-001M: 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
