iSIC V2 Environmental Data Logger

Delivering an unmatched sensor interface and numerous telemetry options, the iSIC V2 data logger offers superior data acquisition performance in extreme conditions.


Flexible Sensor Wiring

Sensors can be cabled through Sealcon gland fittings to ensure protection from the elements. Alternatively, a simple waterproof thread-in connector is available for a plug-and-play interface with many popular instruments.

Removable Terminals

Two 16-position removable screw terminals simplify the wiring of analog and digital sensors. The anodized aluminum housing is machined with the terminal designations that won't wear off over time.

Wireless Communication

Verizon or AT&T cellular telemetry options offer real-time remote communication via WQData LIVE web datacenter or iChart software. 2G/3G international modems are also available for use with cellular networks outside the USA.


Optional WQData Live web datacenter offers instant access to data on any web browser. Data is presented on a fully-featured and easy-to-use dashboard. Features include automated reports, alarms, push notifications and much more.

Measurement Versatility

Connect to water quality sondes, water level sensors, weather sensors, soil sensors, and more. Sensor interface options include RS-232, RS-485, SD-12, VDC, mA, and pulse count.

Weatherproof Housing

All electronics are housed in a rugged enclosure constructed of anodized aluminum. A clear polycarbonate plate allows the user to quickly check wiring and diagnostic lights without removing the lid.

Easy Install

A specially designed mounting bracket holds the iSIC V2 to a 2" NPT pole for easy connection. The optional solar power pack also mounts to the pole and provides ample power for most applications.

Stainless Enclosure Option

The AVSS stainless steel enclosure kit offers a secondary level of protection with integrated 14 A-Hr battery, solar regulator, external antenna, six sensor ports, and pole/wall mounting hardware.

iSIC V2 Data Logger

Ports(1) UW8, (1) UW6, (2) PG-11 passthrough ports for custom wiring, (2) 16 position pluggable terminal blocks, (1) DB9 RS-232 host connection, (1) RJ45 100BASE-T Ethernet, (8) 16-bit single-ended or (4) differential ±1.25V or 0-2.5V selectable
Analog Outputs(1) 16-bit DAC; 0-2.5 V, (1) Optional second DAC output
Digital I/O Ports(1) Tipping bucket input, max rate 10 Hz, (2) Standard generic I/O ports 0-3.3V, 5V tolerance
Host Interface(1) RS-485 (half duplex); (1) RS-232 (3-wire full duplex)
Digital I/O Ports(2) standard generic I/O ports
1-Wire Interface(1) 1-wire temperature sensor port
Host ProtocolsiSIC Protocol; Terminal command interface; Modus RTU (future)
Sensor Interface(1) RS-485 (half duplex); (1) SDI-12; (3) RS-232
Sensor Power(1) Switched 12VDC 1.2A; (1) 2A Pass through full time power; (1) 5VDC 200mA
Sensor ProtocolsModbus RTU; NMEA 0183; SDI-12; GSI (via custom script)
Log Interval1 minute to 24 hours; supports different intervals for different sensors concurrently
Real Time Clotck (RTC)<30sec/month drift; Internal backup battery
Built-In SensorsTemperature (-40 to 85°C, 0.01°C resolution, ±2°C accuracy from -20 to 85C); Pressure (300 to 1100 mbar, 0.016 mbar resolution, ±4 mbar accuracy); Humidity (0-100%, 0.04% resolution, ±5% accuracy from 5 to 95% RH); Battery voltage; Current draw
Internal Memory256MB microSD card (expandable up to 32GB
External Power5-16 VDC ±5% (Overcurrent and Reverse polarity protection)
Typical Current Draw (@12V)Sleep: 760uA; Active: 43mA; Analog Active: 85mA; Cellular transmitting: 300mA
Operating Temperature-35 to +85°C
PhysicalDimensions: 7.5” L x 6.5” W x 2.9 H”; Weight: 4.2 lbs; Anodized aluminum housing; NEMA 4X (with lid)
Wireless CommunicationVerizon or AT&T Cellular Telemetry