Onset S-UCD-M001 Contact Closure Pulse Input Adapter - 1 meter Sensor (2 Hz)

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: 12.7 x 2.9 cm (5 x 1.13 in.)

Weight: 114 g (4 oz.)

Bits per sample: 16

Number of data channels: 1

Manual