Specifications
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: 6.5 m (21 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)
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