Contact Closure Pulse Input Adapter - 1 meter Sensor

Product Options

Overview

The Contact Closure Pulse Input Adapter connects sensors with pulse outputs to data loggers with smart-sensor inputs. This smart sensor is compatible with contact closures, such as tipping-bucket rain gauges or reed switches with a maximum input frequency of 2 Hz (2 pulses per second), and a preferred switch-type of normally-open.

Manufactured by: Onset
Model: Contact Closure Pulse Input Adapter - 1 meter Sensor

Services offered for this product

  • Sales
  • Rental
  • Installation
  • Calibration
  • Maintenance

Applications

Pulse input
Water flow

Specification

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)