Maximum input frequency |
2 Hz (2 pulses per second) |
Measurement range |
0 – 65,533 pulses per logging interval |
Resolution |
1 pulse |
Lockout time |
327 ms ± 10% |
Recommended input type |
Mechanical contact closure (example: reed switch in a tipping-bucket rain gauge) |
Preferred switch state |
Active low input Normally open |
Edge detection |
Falling edge, Schmitt Trigger buffer (logic levels: low ≤ 0.6 V, high ≥ 2.7 V) |
Minimum pulse width |
1 ms |
Input/output impedance |
100 KΩ |
Open circuit input voltage |
3.3 V |
Maximum input voltage |
3.6 V |
User connection |
24 AWG wires, 2 leads: white(+), black(-) |
Operating temperature range |
-40° to 75°C (-40° to 167°F)" |
Overall cable length |
1 m (3.3 ft.) |
Housing |
Weatherproof PVC housing protects input adapter electronics |
Housing dimensions |
14 x 0.95 cm (5.5 x 0.375 in.) |
Weight |
310 g (11 oz.) |
Bits per sample |
16 |
Number of data channels |
1 |
Measurement averaging option |
No (reports the number of pulses over the logging interval) |