The HOBOnet Wireless Pulse Input Sensor connects to sensors with pulse output. This sensor is compatible with contact closures, such as tipping-bucket rain gauges or reed switches. HOBOnet Wireless Sensors communicate data directly to the HOBO RX3000 weather station or pass data through other wireless sensors back to the central station. They are preconfigured and ready to deploy, and data is accessed through HOBOlink, Onset’s innovative cloud-based software platform.

Highlighted Features

    Maximum input frequency 2 Hz (2 pulses per second)
    Mechanical contact closure


The RXW-UCD-xxx sensor supports the following measurement: Pulse Input

Wireless Features

    868 MHz wireless mesh self-healing technology
    450 to 600 meter wireless range and up to five hops
    Up to 50 wireless sensors per RX3000
    Simple button-push to join the HOBOnet wireless network
    Onboard memory to ensure no data loss
    Powered by rechargeable AA batteries and built-in solar panel

The RXW-UCC-xxx sensor supports the following measurement: Pulse Input

Sensor	RXW-UCD-xxx For Contact Closures
Measurement 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*	Normally open
Edge Detection	Falling edge, Schmitt Trigger buffer (logic levels: low =2.7 V)
Minimum Pulse Width	1 ms
Input/Output Impedance	100 K?
Open Circuit Input Voltage	3.3 V
Maximum Input Voltage	3.6 V
User Connection	24 AWG wires, 2 leads: white(+), black(-)
Wireless Mote
Operating Temperature Range	-25° to 60°C (-13° to 140°F) with rechargeable batteries -40 to 70°C (-40 to 158°F) with lithium batteries
Radio Power	12.6 mW (+11 dBm) non-adjustable
Transmission Range	Reliable connection to 457.2 m (1,500 ft) line of sight at 1.8 m (6 ft) high Reliable connection to 609.6 m (2,000 ft) line of sight at 3 m (10 ft) high
Wireless Data Standard	IEEE 802.15.4
Radio Operating Frequencies	RXW-UCC-900 and RXW-UCD-900: 904-924 MHz RXW-UCC-868 and RXW-UCD-868: 866.5 MHz RXW-UCC-922 and RXW-UCD-922: 916-924 MHz
Modulation Employed	OQPSK (Offset Quadrature Phase Shift Keying)
Data Rate	Up to 250 kbps, non-adjustable
Duty Cycle	<1%
Maximum Number of Motes	50 motes per one RX Wireless Sensor Network
Battery Type/ Power Source	Two AA 1.2 V rechargeable NiMH batteries powered by built-in solar panel or two AA 1.5 V lithium batteries for operating conditions of -40 to 70°C (-40 to 158°F)
Battery Life	With NiMH batteries: Typical 3-5 years when operated in the temperature range -20° to 40°C (-4°F to 104°F) and positioned toward the sun (see Deployment and Mounting), operation outside this range will reduce the battery service life With lithium batteries: 1 year, typical use
Memory	16 MB
Dimensions	Cable length: 6.5 m (21.3 ft.) Mote: 16.2 x 8.59 x 4.14 cm (6.38 x 3.38 x 1.63 inches)
Weight	Cable: 250 g (9 oz) Mote: 223 g (7.87 oz)
Materials	Mote: PCPBT, silicone rubber seal
Environmental Rating	Mote: IP67, NEMA 6
Compliance Marks	RXW-UCD-900
	RXW-UCD-868
	RXW-UCD-922

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