Disposable U-Sensor Specifications
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Version; 1.3
A.3:
Disposable U-Sensor Specifications
Networking and system Configuration
Communications Network
(between USG and any Wireless
sensor):
Multi-hop, cluster tree wireless sensor network
Network Topology:
Cluster, mesh-tree
Number of Communications
Channels:
Up to four
Multi-hops (Store and Forward)
Up to 15 hops
Network Robustness
Self-healing, adaptive
Temperature Update Rate per US Remotely Programmable from 2 min up to 255
min (default 10 min)
Certifications & Compliances
FCC,CE, FDA approved materials for food
contact , ROHS and WEEE compatible materials,
WHO, EN 12830, EN/UL 60950
UHF Network
Operating Frequency
433 MHz ISM band
Maximum rated output power
Less than 0 dBm; Matching into 50 Ω RF
Impedance.
Effective radiated power
Less than 0 dBm
RF Read Range
Up to 500 m per hop in free space
PHYSICAL AND ENVIRONMENTAL
Dimensions:
88 mm x 38 mm x 13 mm
Weight:
26 g
Color:
Blue
Power
Internal batteries
CR2450
Measurement specifications
Maximum measurement Range
Temperature: -35ºC to +65ºC
Relative Humidity: 35% to 100%
(from 0ºC to +60ºC)
Accumulated operation time
Over 160 days if connected to the WL sensor
network at 0ºC, regular battery.
Temperature Measurement
Accuracy
±0.5ºC (in the range of -10ºC to +50 ºC)
±0.8ºC (in the range of-35ºC to -10ºC & 50ºC
to +60ºC)
Temperature Resolution
0.1 ºC
Relative Humidity measurement
accuracy
±5%
Relative Humidity Resolution
1%
Memory Capacity
2700 measurement points of each temperature
and relative humidity
