El sensor de entrada de pulsos inalámbrico HOBOnet se conecta a sensores con salida de pulsos. Este sensor es compatible con cierres de contacto, como pluviómetros de cubo basculante o conmutadores tipo reed. Los sensores inalámbricos HOBOnet comunican los datos directamente a la estación meteorológica HOBO RX3000 o transmiten los datos a través de otros sensores inalámbricos a la estación central. Están preconfigurados y listos para desplegar, y se accede a los datos a través de HOBOlink, la innovadora plataforma de software basada en la nube de Onset.
Características destacadas
Frecuencia máxima de entrada 2 Hz (2 impulsos por segundo)
Cierre mecánico de contacto
El sensor RXW-UCD-xxx soporta la siguiente medición: Entrada de pulsos
Funciones inalámbricas
Tecnología inalámbrica mesh auto-reparadora de 868 MHz
Alcance inalámbrico de 450 a 600 metros y hasta cinco saltos
Hasta 50 sensores inalámbricos por RX3000
Pulsar un botón para unirse a la red inalámbrica HOBOnet
Memoria integrada para garantizar que no se pierdan datos
Funciona con pilas AA recargables y panel solar integrado
El sensor RXW-UCC-xxx soporta la siguiente medición: Entrada de pulsos
| 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(-) |
| 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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