Application Notes
Need practical information on the use of INW’s water monitoring and sampling products? Our application notes are readily available in PDF format. Simply download by clicking on the links below.
Smart Sensors
General Information
AquiStar® Smart Sensor Communication Cables
Alternatives for connecting AquiStar® Smart Sensors to a PC or laptop. Download
USB/RS485 Communication Cable Installation Instructions
Instructions for installing and using the INW USB/RS485 Communication Cable to connect AquiStar® Smart Sensors to a PC or laptop. Download
Changing Batteries in the AquiStar® Smart Sensors
This application note details the steps for changing batteries in AquiStar® Smart Sensors. Download
Modbus® Direct Read on AquiStar® Smart Sensors
Instrumentation Northwest now offers an easy-to-read Modbus version for several of their popular AquiStar Smart Sensors. These sensors communicate via Modbus RTU and directly return measurement readings, without any further math on the part of the host system. Currently, this feature is available on the following:
- PT2X Pressure/Temperature Sensor
- CT2X Conductivity/Temperature/Pressure Sensor
- TempHion pH/ISE/Redox Sensor
- T32 1-Wire Temperature Logger
- GDL Datalogger
- T8 Temperature Sensor
- Turbo Turbidity Sensor
- DO2 Dissolved Oxygen Sensor
Event Processing on AquiStar® Smart Sensors
This application note gives information on using Event Processing on INW Smart Sensors. Download
Reading AquiStar® Smart Sensors with Campbell Loggers
This application note provides information on how to read INW Smart Sensors with Campbell CR1000 and CR800 dataloggers. It includes wiring diagrams, register specifications, and sample code. Download
CT2X Conductivity/Temperature/Pressure Smart Sensors
CT2X SDI-12 Interface Specification
This specification gives detailed information on reading a CT2X Smart Sensor using SDI-12. Download
Reading Salinity with a CT2X Conductivity Sensor
This application note gives detailed information on reading salinity with a CT2X Smart Sensor. Download
DO2 Dissolved Oxygen Smart Sensors
DO2 SDI-12 Interface Specification
This specification gives detailed information on reading a DO2 Smart Sensor using SDI-12. Download
GDL Smart Dataloggers
GDL SDI-12 Interface Specification
This specification gives detailed information on reading a GDL Smart Datalogger using SDI-12. Download
PT12 and PT12-BV SDI-12/Modbus Sensors
PT12 SDI-12 Interface Specification
This specification gives detailed information on reading a PT12 or a PT12-BV using SDI-12. Download
PT2X Pressure/Temperature Smart Sensor Family
PT2X SDI-12 Interface Specification
This specification gives detailed information on reading a PT2X, PT2X-BV, or PT2X Wet-Wet Smart Sensor using SDI-12. Download
Configuring an AquiStar® PT2X Smart Sensor to Monitor Depth-to-Water or Groundwater Elevation
This application note provides simple examples for configuring a PT2X Smart Sensor for monitoring depth-to-water or groundwater elevation, using the Aqua4Plus Control Software. Download
Filter Response on an AquiStar® PT2X Smart Sensor
This application note gives filter response curves for our new PT2X filtering capabilities. Download
Error Compensation on PT2X Smart Sensors
This application note explains the patented method used by INW to transform basic strain gauge pressure readings into highly accurate, temperature and device compensated data. Download
TempHion pH/ISE/Redox Smart Sensors
TempHion™ SDI-12 Interface Specification
This specification gives detailed information on reading a TempHion Smart Sensor using SDI-12. Download
Calibrating an AquiStar® TempHion™ Smart Sensor
This application note describes the calibration procedure for a TempHion Smart Sensor. It also covers care and filling of the reference reservoir. Download
Turbo Turbidity Smart Sensors
Turbo SDI-12 Interface Specification
This specification gives detailed information on reading a Turbo Smart Sensor using SDI-12. Download
Analog Sensors
Grounding Issues with the PS-9 Series Submersible Pressure Sensors when Used with Campbell Scientific, Inc., CR10X and CR 510
An overview of grounding issues related to the use of the PS-9 Series submersible pressure sensors when used with the Campbell Scientific, Inc., CR10X and CR510 dataloggers. Download
Use of the PS9805 Pressure Transducer with the Campbell Scientific, Inc., CR10X for High Precision Readings on 5 PSI Sensors
Programming information for Campbell Scientific CR10X dataloggers for obtaining improved accuracy when using PS9805 – 5 PSI sensors. Download
Use of the PS9105 Pressure Transducer with the Campbell Scientific, Inc. CR10 – Standard Performance
A basic overview of the operation of the PS9105 submersible pressure transducer and how it is used with the Campbell Scientific CR10 Measurement and Control Module. Download
Use of the PS9105 Pressure Transducer with the Campbell Scientific, Inc. CR10 – Enhanced Process
A basic overview of using the PS9105 submersible transducer together with with the Campbell Scientific CR10 and custom PROM. Download
WaveData® Wireless Data Collection
Wireless Data Collection – White Paper
Environmental water concerns are increasing with the greater awareness of the dangers of pollution, increasing evidence for global warming, and security concerns arising from threats of terrorism. Few companies or government entities have the personnel, time, or budget to gather and monitor the data needed to make the far-reaching decisions needed today. Download
Communications Troubleshooting and Testing for WaveData® 900 Radios
Quick troubleshooting guide for WaveData® 900 (0.01 Watt & 1.0 Watt) Radios. Download
Miscellaneous
Selecting Appropriate Cable for INW Sensor Applications
This application note is to acquaint the user with the various cable types and assist the user in making cable selections. Download
Using an AquiStar® DL2 with a USB Serial Adapter
This application note describes how to use a USB port rather than a serial port with Aqua4 and the AquiStar DL2 data loggers. Download