BeanDevice® 2.4GHz AN-mV

Wireless IOT Data Acquisition (DAQ) Instrument | Low voltage inputs (±20mV) | built-in datalogger

Product Reference
BND-2.4GHz-AN-mV-4CH

Analog data acquisition block specifications
Signal Conditionning	Analog low voltage mV
Number of channels	4 Channels
A/D Converter	16 bits - SAR Architecture (Successive Approximation Register) with temperature compensation
Measurement range	±20 mV (bipolar) or 0-40 mV (unipolar)
Non-linearity error	± 0,5 LSB
Repeatability (full scale, @ 25°C, Static Measurement Mode every 2s)	less than ± 0.025%
Repeatability (full scale, @ 25°C, Dynamic Measurement Mode 10Hz)	less than ± 0.35%
Sensor Connector	M12-4Pins , A-Coding, Waterproof IP67

Sensor Power Supply specifications
Power Supply	4.5 Volts to 20Volts , dynamically configurable from the BeanScape® 2.4GHz
Power Supply precision ( full scale, @25°C )	±0.18%
Maximum Output Power (@25°C)	1 Watts

Configurable settings from the BeanScape® 2.4GHz software
Data Acquisition mode	-Static Data Acquisition: Low Duty Cycle Data Acquisition (LDCDA) and Survey (based on alarm thresholds) Mode. Measurement heartbeat 1s to 24 hour -Dynamic data acquisition(not available on devices with ref. extension XT ): Streaming and S.E.T. (Streaming with Event Trigger) Mode
Sampling Rate (SPS = sample per second)	Minimum: 1 SPS Maximum: 400 SPS maximum per channel
Alarm Threshold	3 levels of Alarm Threshold Alert-Action-Alarm
Sensor power supply	4.5 to 20 Volts
Analog Input polarity	Bipolar or Unipolar
Power Mode	Battery saver mode & Active power mode

TimeSync function : Clock synchronization over the Wireless IOT Sensors
Clock synchronization accuracy	±2.5 ms (at 25°C)
Crystal specifications	Tolerance ±10ppm, stability ±10ppm

RF Specifications
Wireless Protocol Stack	Ultra-Power and license-free 2.4Ghz radio technology (IEEE 802.15.4E)
WSN Topology	Point-to-Point / Star
Data rate	250 Kbits/s
RF Characteristics	ISM 2.4GHz – 16 Channels.
TX Power	+18 dBm
Receiver Sensitivity	-104 dBm
Maximum Radio Range	650m (Line of Sight) , 30-100m (Non Line of Sight)
Antenna diversity	· 2 omnidirectional N-Type antenna · Gain 5.5 dBi · Waterproof IP67

Embedded Data logger
Storage Capacity	up to 1 million data points
Wireless data downloading	3 minutes to download the full memory (average time)

Environmental and Mechanical
Casing	• Aluminum, Waterproof IP67 – Fire Protection : ULV94/Getex • casing dimensions (w/o antenna w eyelets) L x l x h : 125mm x 82mm x 57mm • Weight : 760g
Operating Temperature	-40 °C to +60 °C
Norms	• CE Labelling Directive R&TTE (Radio) ETSI EN 300 328 • FCC (North America) • ARIB STD-T66 Ver 3.6 • ROHS - Directive 2002/95/EC
Shocks resistance	50g during 50 ms

Power supply
Integrated battery charger	Integrated Lithium-ion battery charger with high precision battery monitoring : • Overvoltage Protection, Overcurrent/Short-Circuit Protection, Undervoltage Protection • Battery Temperature monitioring
Current consumption @ 3.3V	• During data acquisition : 70mA to 130 mA (depends on external sensor power supply) • During Radio transmission : 70 mA • During sleeping : < 35 µA
External power supply	External power supply : +8-28 VDC with polarity inversion protection
Rechargeable battery	High density Lithium-Ion rechargeable battery with a capacity of 2.2Ah with polyswitch protection

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