X2-CB Buoy-Mounted Data Logger
The X2-CB includes all the features of the flagship X2 data logger in a lid-mounted package designed for integration on CB-Series data buoys.
A smartphone, tablet, or laptop connects by Wi-Fi to access sensor data and view or change settings. No application-specific hardware or software is required. Works within an existing Wi-Fi network or as a direct link from the X2-CB to the device.
All connections are made with a simple waterproof thread-in connector. This removes the complications and errors associated with connecting individual wires.
When communicating within a Wi-Fi network or connecting via remote telemetry, measurement data streams directly to the WQData LIVE web datacenter.
Wi-Fi provides short range and local connectivity. Remote options include radio, cellular, and satellite communications.
SensorBUS technology incorporates industry standard SDI-12, RS-485 and RS232 interfaces in a single watertight cable. Smart sensors are available for most environmental measurements.
Buoy Mount Housing
The X2-CB is sealed in a watertight PVC enclosure mounted directly to the bottom of a NexSens CB-Series buoy's 316 stainless steel data well top plate. With (5) integrated sensor ports, a vent, an antenna port, and a communication/power port, the X2-CB provides ultimate flexibility and ease of access to all connections.
X2-CB Data Logger
Mount: CB-Series buoy data well plate
Material: 316 stainless steel plate with PVC body
Weight: 10.5 lbs.
Dimensions: 13.5" Diameter, 4.4" Height (6" with cell/radio antenna; 8.125" with Iridium antenna)
Power Requirements: 5-24 VDC +/-10% (Reverse polarity protected)
Current Draw (Typical @ 12VDC): Low power sleep: 350uA; Logger Active: 35mA; Wi-Fi Transmitting: 43mA; Cellular Transmitting: 300mA
Peak Current: Power supply must be able to sustain a 500mA 1-second peak current (@ 12V)
Operating Temperature: -20C to 70°C
User Interface: RS-485 direct to PC software, WQData LIVE Web Datacenter, buzzer indicator
Data Logging: 256MB microSD card (expandable up to 32GB)
Data Processing: Parameter level polynomial equation adjustment; Basic & Burst Averaging (min, max, standard deviation, and raw data available)
Real Time Clock (RTC): <30sec/month drift1; Auto-sync weekly2; Internal backup battery
Log Interval: User configurable from 1 minute (10 minute default)3; Independent interval per sensor
Transmission Trigger: Time-based; Selective parameter upload option
Sensor Interfaces: SDI-12, RS-232 (3 Channels), RS485
Sensor Power: (3) 12V regulated switch channels with 1.5A capacity4,5
Built-in Sensors: Temperature (-40C to 85C, 0.1C resolution, ±0.3C accuracy); Humidity (0% to 100%, 0.1% resolution, ±4% accuracy from 5 to 95% RH & -20 to 70C); Battery voltage
Sensor Ports: (5) 8-Pin for Sensor Interface (RS-232, RS-485, SDI-12, 5V, 12V, GND)6
Power Port: (1) 6-Pin for Power and Communication (12V Solar In, Power Switch, RS-485 Host, GND)
Cellular: 2G: GSM 850, 900, 1800, 1900 MHz; 3G: UMTS/HSPA+ 850, 900, 1700, 1900, 2100 MHz; 4G: LTE Bands B2(1900), B4(1700), B5(850), B12(700ac), B13(700c)
Radio: 900MHz Mesh Network (902-928 MHz); 2.4GHz Mesh Network (2.4-2.483 GHz)
Iridium: Short Burst Data (SBD) 1616 MHz to 1626.5 MHz
Antenna Port: Type N female
1Assumes 25ºC operating temperature
2Requires the X2 to be connected to the internet
3Minimum log interval dependent on sensor limitations and processing time
4Cumulative concurrent current limit of all three channels is 2A
5Logger power supply must be able to support current requirements of sensors
6P0A & P0B share a single RS-232 and power channel. P1A & P1B share a single RS-232 and power channel.
The X2-CB with integrated Wi-Fi can connect to Wi-Fi hotspots with a range of up to 250 feet using the external antenna. This allows data to be pushed up to the WQData LIVE web datacenter without the added costs of cellular/satellite service fees or radio base station hardware. Given the limitations of broadcasting a Wi-Fi signal over open water, this is generally only feasible in near-shore applications (ponds, industrial sites, etc.).
Changing measurement or transmit frequency can be done remotely using the WQData LIVE Web Datacenter or through direct PC connection using the UW6-USB-485P adapter and CONNECT Software.
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