Príloha č. 2
Špecifikácia mikroklimatických snímačov pre verejné obstarávanie
Sensors module
Model:
Dimensions:
Connection
Cable Length
Housing Protection Level
Output:
Accuracy:
Range:
Resolution:
Response time:
Reproducibility:
Operating
temperature:
Output:
Range:
Accuracy:
Response time:
Reproducibility:
Output:
Range:
Size:
Leaf Wettness Humdity and Temperature Sensor V4R1
120mm x 120mm x 64mm
RJ45
3m
IP65
Relative Humidity (RH)
Digital serial output: TWI
±2.0 % RH
0 to 100% RH
0.05% RH
8 seconds typical (to 63% in slowly moving air)
±0.1% RH
-40° to 120°C (-40° to 248°F)
Temperature (T)
Digital serial output: TWI
-40° to 123.8°C
±0.5°C @ 5° to 40°C, ±0.9°C (-15° to 60°C),
±0.9°F @ 41°F to 104°F, ±1.8°F (5° to 140°F)
5 to 30 seconds (to 63% in slowly moving air)
±0.1°C (±0.2°F)
Leaf Wetness (L)
Resistive, Linear output: R(L)
dry: >10M Ohm - wet: 42k Ohm
2x 2mmx 55mm x 105mm
Rain and Sun Sensor
Model:
Dimensions:
Connection
Cable Length
Protection Level
Output:
Size:
Resolution:
Output:
Rain & Sun Sensors
150mm x 139mm x 150mm
RJ45
5m
IP65
Precipitation Intensity (PI)
Relay closure, Normally Open and Normally Closed contacts
Ø70mm x 54mm
0.01 - 0.001 mm
Precipitation Quantity (PQ)
Contact closure / Digital impulse
Range:
Accuracy:
Resolution:
Output:
Resolution:
Range
0 – 999mm
<50mm: ±0.4%, >50mm: ±0.5%
0.3 mm of rainfall
Solar Intensity
Analog - Voltage
0.1 V
0 – 24V
Data Handling Module
Model:
Central Unit V4
WiFi based Wireless
Sensor Network
2.4 GHz IEEE 802.11
band:
Effective range fo
WiFi based Sensor
Network:
300m with antenna sight
Weight:
3kg
Dimensions:
90mm x 204mm x 254mm
Housing certificate: dust and waterproof IP65
Warranty:
Energy
Consumption:
(Standalone)
365 days (*Contract dependent)
Operation Phases
mW
Measurement/Sleep phase
192mW/60mW
Data upload phase
Peak: 3.25mW
Average: 57mW
Average for a day
225mW
Operation range:
-20°C to +50°C
Rechargeable
battery capacity:
6400mAh @ 7.4V LiIon battery
Battery saving mode
Entering: Battery voltage below 6.5V; Leaving after: 7.2V charge
threshold
Maximum stations in
10
network:
Lifetime without
charge:
9-10 days (>20°C, <6 month old equipment, standalone)
! Temperature and age dependent
Battery charger
current limit
2A
Measurement
frequency
1 minute (30 minutes in Battery saving mode)
Data upload
frequency
60 minutes
Capacity: 8GB MicroSD card
Estimated local storage lifetime: 9.5 years (synced with 10 stations)
Generated data of one day one station (Typical)
Data Storage
File
Size
GPS
72kByte
Linux Service Log
56 kByte
AVR Service Log
1.5 kByte
Measurements
100 kByte
Sum
~230kByte
4 Switchcraft connector for the sensors:
Input/Output
Connectors
Sensor name (Compatible
Internal Part No)
Connector type (on the
box)
Solar Panel
Integrated
Leaf Wetness
RJ45
Temp./Hum.
RJ45
Rain gauge
RJ45
Tested APN configuration: T-Mobile (H), Vodafone (H), Telenor (H),
O2(SK)
GSM Module
specification
Quad Band: 850/ 900/ 1800/ 1900 MHz
Max. data rate: GPRS 85.6 kbps
Built in antenna
Active antenna gain: 12 dB
GPS Module
specification
Measured loss/attenuation tolerance: 24dB
Built in antenna
Gyroscope
3D Gyroscope sensor built in
Sensitivity for Alarm mode: 40°
Housekeeping measurement:
Internal board temperature (°C)
Housekeeping data
Charging current (mA)
Total daily charge (mAh)
Battery saving status (1-On 0-Off)
Total charge in Battery saving status (mAh)
Solar/Charger Voltage (V)
Measurement rate: 1S/minute
GPS position (LON,LAT in degrees); Rate: 1 Position data a day