Inputs: |
External Contact Input: |
Electronic solid state switch closure or logic driven digital signals to 24 V |
Maximum Pulse Frequency: |
120 Hz |
Maximum State, Event, Runtime Frequency: |
1 Hz |
Bits: |
4–32 bits depending on pulse rate and logging interval |
Maximum Pulses Per Interval: |
7,863,960 (using maximum logging rate) |
Driven Logic Signal: |
Input Low: ≤ 0.4 V; Input High: 3 to 24 V |
Absolute Maximum Rating: |
Maximum Voltage: 25 V DC Minimum Voltage: -0.3 V DC |
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; Driven signal: 4.5 KΩ |
Minimum Pulse Width: |
Contact closure duration: 500 uS; Driven logic signal: 100 uS |
Lockout Time: |
0 to 1 second in 100 ms steps |
Edge Detection: |
Falling edge, Schmitt Trigger buffer |
Preferred Switch State: |
Normally open or Logic "1" state |
Logging: |
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 |
Time Accuracy: |
± 1 minute per month at 25°C (77°F) (see Plot A on next page) |
Battery Type: |
Two AA alkaline or lithium batteries |
Battery Life: |
1 year, typical with logging intervals greater than 1 minute and normally open contacts |
Memory: |
Memory |
UX120-017: 520,192 measurements (assumes 8-bit) UX120-017M: 4,124,672 measurements (assumes 8-bit) |
Download Type |
USB 2.0 interface |
Download Time |
30 seconds for UX120-017, 1.5 minutes for UX120-017M |
Physical: |
Operating Range |
Logging: -40° to 70°C (-40° to 158°F); 0 to 95% RH (non-condensing) Launch/Readout: 0° to 50°C (32° to 122°F) per USB specification |
Weight |
149 g (5.26 oz) |
Size |
11.4 x 6.3 x 3.3 cm (4.5 x 2.5 x 1.3 inches) |
Environmental Rating |
IP50 |
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The CE Marking identifies this product as complying with all relevant directives in the European Union (EU). |