Onset HOBO Data Loggers S-UCD-M006

Product Highlights

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. See how the pulse recorder works.

• Plug-n-play adapter for pulse output sensors
• Automatically recognized by H21, H22, U30, and ZW data loggers
• 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)
• 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)