Storm 3 Data Logger

The Storm 3 data logger incorporates a balanced set of inputs for analog, digital I/O and SDI-12 smart sensors to allow communication through cellular modems and GOES satellite. You'll love how easy it is to configure and log data using the browser-based graphical user interface (GUI) with all standard web browsers on PCs, tablets and smart phones. You can also view your password-protected and public data anywhere with internet access using our cloud hosted data collection solution Storm Central. Pair the Storm Central Data Collection Platform with the Storm 3 data logger and you've got one mean data-collecting machine that you can access anytime, anywhere.

  • Features
  • Specifications
  • Software

The Storm 3 data logger has emerged faster, smarter and more specifically designed for today's technological advances while maintaining simplicity and ease of use.

  • Built-in Sensor Library
  • Browser-based Graphical User Interface (GUI)
  • Direct or Wireless Connection for GUI

Add the Storm 3 to your collection to create the ultimate hydrological or meteorological system, producing data you can rely on 24/7.

View screen shots of the Storm 3 GUI here.

Storm Central

How does access to your data 24/7 sound? Storm Central is a cloud hosted data collection platform allowing you to view and download your Storm 3 site data anytime, anyplace in real-time.

> Visit Storm Central Page to learn more

Analog Inputs
Channels 4 Single Ended
Resolution 20-Bit Resolution
Accuracy ±0.025% FS
Range 0.0 to 5.0 volts (0.001 to 4.998V)
+5.0 Volt Excitation
Type Switched, ratio metric with A/D
Current 10 mA max load
Switched +12.0 Volt Excitation
Type Unregulated based on battery voltage
Current 250 mA Max load, protected by resettable fuse
Digital I/O
Channels 4 general purpose Digital I/O's
Modes Digital input, Counter input, Conditional output, Counter frequency (100 Hz Max)
Input Levels 0.0 to 5.0 volts; (High ≥ 3.5 V, Low ≤ 0.08 V)
Output Levels High = 3.5 V Min Sourcing 5 mA; Low = 0.4 V Max Sinking 5 mA
Mode SDI-12 Master Mode V1.3 Compliant
Connector 3-pin connector
Type Single RS-232 configured as a DTE device
Connector 9-pin D connector, male
Baud Rate Programmable
Type Single RS-485 port
Connector 4 position screw terminal
Data Storage Capacity 256 MB, expandable

2 Host USB-A Connectors, 1 Device Mini-B Connector; Version 2.0

Cell Modem (optional)


Wi-Fi 150 Mbps Wireless 802.11b/g/n
Voltage Input 10.0 to 16.0 V, Reverse Voltage Protected

Standby: 3.5 mA Max; Active: 50.0 mA Typical

Current with Internal Modem

Standby: 4.5 mA Max; Active: 100 mA Typical


2 position screw terminal

Operating Temperature -40 ° to +60 ° C
Storage Temperature -50 ° to +80 ° C
Size 4.37 in. L x 2.45 in. W x 7.375 in. H
Weight 2 lbs (1 kg)
Material Extruded Aluminum

The WaterLOG® Storm 3 is warranted against defects in materials and workmanship for twenty-four months from date of shipment. Click here for complete terms and conditions.

For detailed specifications, see user manual.

WaterLOG Storm Central DCP

Storm Central Cloud Hosted Data Solution — v —

Storm Central is a cloud hosted solution allowing you to view and download your Storm 3 site data anytime, anyplace in real-time.Storm Central also has graphical and tabular displays that can pinpoint data from any time range and even filter sensors makes this platform quick and simple to use. Not to mention the ability to generate simple-to-complex alarm notifications based on paramaters you provide, which will alert you through email or text message. You can also set your map icons to change color for further alerts. Pair this platform with the Storm 3 and you've got one mean data-collecting machine that you access anytime, anywhere.

Request a License

Storm 3 Firmware — v 1.4.3 —

This firmware is free to any Storm 3 owners/users and does not require any activation code. Please follow the instructions in the Storm 3 manual for details on how to check the version of your instrument's current firmware version and how to upgrade it if necessary. Firmware improvements include:

Modem Support and Communications
Digital I/O Triggering
SDI-12 Sensor De-bugging and Communication
RS-485 supported in BASIC
Configuration file saves

Get Firmware

Options & Accessories

Turnkey Enclosure

This fully integrated fiberglass enclosure (14x10x6) includes a Storm 3 with modem (GPRS-GSM, GPRS-3G, or CDMA-1X), panel, mounts, 18  Amp Hour battery, 20 Watt solar panel and solar regulator. It is pre-wired, fully integrated and also includes 1 year Storm Central data hosting (SC-Cell) and cell phone activation (Modem-Act).


Saving Time With Real-Time Data

Read how a group of scientists at the Louisiana Universities Marine Consortium (LUMCOM), use the latest technology to help increase society's awareness of the environmental, economic and cultural value of Louisiana's coastal and marine issues.