Pulse Input Adapters (Part #’s S-UCA-M006 and S-UCB-M006)

 The Pulse Inputs Adapters are ideal for connecting a wide range of sensors with pulse outputs such as tipping-buck rain gauges, flow meters, power meters and gas meters. These adapters count the number of pulses per logging interval.

 Electronic Switch Version (S-UCA-M006)

Compatibility: Electronic switch closures, such as FET or open-collector outputs, or CMOS-level logic signals
Maximum input frequency: 120 Hz (120 pulses per second)
Lockout time: 45 micro-sec +/-10%
Preferred pulse polarity*: Active low

 Contact Closure Version (S-UCB-M006)

Compatibility: contact closures, such as tipping-bucket rain gauges or reed switches
Maximum input frequency: 2 Hz (2 pulses per second)
Lockout time (for switch debounce): 327 milli-sec +/-10%
Preferred switch type*: normally-open

Common Specifications:

Measurement Range: 0-4093 counts per logging interval (data must be exported for conversion to other units)
Minimum Pulse Width: 1 ms
Maximum input voltage: 3.6V
Minimum input voltage: -0.3V
Logic levels: low <=0.6V high >=2.7V < BR >Edge detection: falling edge
Input/Output impedance: 100 kilohms
User connection: 2-wire input (24 AWG wire 2 wire nuts included)
Cable length: 6.5m (21 ft) (only adds 50cm of smart sensor cable)
Weight: 310 g (11 oz)
# Data Channels: 1

 * Pulses of opposite polarity can be used, but battery usage rate will be higher.