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 |
|
: |
The CE Marking identifies this product as complying with all relevant
directives in the European Union (EU). |