X3-SUB Submersible Data Logger – FAQ


What does the X3 buzzer pattern indicate?
The X3 data logger contains an internal buzzer that gives audible insight into the power and connection status of the data logger and indication that a logger has completed a sensor detection or measurement.

What sensors are supported on X-Series data loggers?
X-Series data loggers automatically detect many common environmental sensors like weather stations, water quality sondes, ADCP current profilers, soil moisture sensors, and others communicating over common protocols such as SDI-12, NMEA0183, and RS-485 Modbus.

What sensor scripts are available on X-Series loggers?
New X-Series data loggers come pre-loaded with scripts for a host of environmental sensors. Before running a sensor detection, it is imperative to review this default list to see if the script for the desired sensor is available and enabled.

How do I identify the body tag on an X3-SUB data logger?
Each X3-SUB data logger has a 5-digit body tag number (X3#####) located on the top plate.

What sensor interfaces are on an X-Series Data Logger?
X-Series data loggers support the SDI-12, RS-232, and RS-485 sensor interfaces for communication with a host of environmental sensors.

What is the temperature range for X-Series loggers and accessories?
The normal operating temperature range of the X2 is -20°C to 70°C and -40°C to 70°C for the X3 but may vary depending on system accessories.

What is the signal pinout of an X3-SUB logger sensor port?
X3 logger sensor ports utilize the standard pinout of NexSens MCIL-8-MP plug connectors.

What is the pinout of the NexSens UW-6 power port?
The UW-6 power port on NexSens loggers utilizes the NexSens universal UW-6 pinout.

How do X-Series loggers receive and transmit data?
X-Series data loggers are offered with flexible communications options including Wi-Fi, cellular, Iridium satellite, radio and direct connect.

What are the X-Series logger diagnostic parameters?
All X-Series data loggers have an internal set of sensors that measure important system health factors called meta parameters or diagnostic readings. This includes battery voltage, telemetry connection status, internal humidity, and more.

What are the maximum cable lengths supported by X-Series data loggers?
For adequate signal strength and measurement quality with environmental sensors, the following are general guidelines for the maximum cable length for each sensor interface supported by X-Series data loggers.

How many sensors and parameters can an X-Series data logger support?
NexSens X-Series data loggers can support 64 sensors and 200 parameters in total. However, depending on the telemetry type, there are technical restrictions on the number of parameters that can transmit to WQData LIVE.

What is the Iridium transmission delay?
Iridium systems must transmit data to an Iridium server which is polled only once every 5 minutes. This can introduce a delay of up to 5 minutes from sensors completing a measurement cycle.

What is common NexSens terminology?
The following NexSens terminology is commonly found in NexSens quick start guides, system integration guides, or in communication with NexSens technical support.

What are the storage requirements for X-Series data loggers?
At a minimum, the X-Series data loggers and accessories should be powered off, sensor connection ports should be covered, and the equipment should be placed in a dry environment kept above freezing.