pyroscience AquapHOx Manuale utente
Version V1.13 www.pyroscience.com
AquapHOx® Logger
Underwater O2, pH, T Meter
MANUAL
O2
pH
T
AquapHOx® Logger | Manual
© PyroScience GmbH 2
AquapHOx® Logger
Underwater O2, pH, T Meter
Document Version 1.13
The AquapHOx® Loggers are released by:
PyroScience GmbH
Kackertstrasse 11
52072 Aachen
Germany
Phone +49 (0)241 5183 2210
Fax +49 (0)241 5183 2299
Email info@pyroscience.com
Web www.pyroscience.com
Registered: Aachen HRB 17329, Germany
AquapHOx® Logger | Manual
© PyroScience GmbH 3
TABLE OF CONTENT
1Introduction............................................................................................................................................... 4
2Overview.................................................................................................................................................... 5
2.1 Optical Port...................................................................................................................................... 5
2.2 Built-In Temperature Sensor ........................................................................................................... 5
2.3 Air Pressure Compensation............................................................................................................. 6
2.4 Included Accessories ....................................................................................................................... 6
2.5 Optional Accessories ....................................................................................................................... 7
3Software Installation.................................................................................................................................. 9
4Configuration........................................................................................................................................... 10
4.1 Connecting the Sensor Head ......................................................................................................... 10
4.2 Sensor Settings .............................................................................................................................. 11
4.3 Calibration Setup........................................................................................................................... 11
4.4 Calibration of Oxygen Sensors....................................................................................................... 11
4.5 Calibration of pH Sensors .............................................................................................................. 12
4.6 Calibration of Optical Temperature Sensors................................................................................. 12
5Measurements......................................................................................................................................... 14
5.1 Online Measurements................................................................................................................... 14
5.2 Data Logging.................................................................................................................................. 14
5.3 Charging the Battery...................................................................................................................... 15
5.4 Deployment................................................................................................................................... 15
5.5 Data Retrieval................................................................................................................................ 16
5.6 Compensation of pH Sensor Drift.................................................................................................. 17
6Appendix.................................................................................................................................................. 18
6.1 Dimensions.................................................................................................................................... 18
6.2 Device Specification....................................................................................................................... 18
6.3 Warnings & Safety Guidelines ....................................................................................................... 19
AquapHOx® Logger | Manual
© PyroScience GmbH 4
1INTRODUCTION
The AquapHOx® Logger family (item no. APHOX-LX, APHOX-L-PH, APHOX-L-O2) are long-term loggers for
underwater operation down to 4000 m (APHOX-LX) or 100 m (APHOX-L-PH and APHOX-L-O2) depth. The
AquapHOx® Logger platform offers one optical port for connection of a wide range of optical O2- or pH-
sensors from PyroScience. A fixed NTC temperature sensor provides automatic temperature compensation
of the optical sensors. The integrated rechargeable LiPo battery offers stand-alone logging for up to 1 year.
A huge internal data memory can store up to 40 million data points. The included USB cable is used for
operating the device with the user-friendly software Pyro Workbench.
AquapHOx® Logger | Manual
© PyroScience GmbH 5
2OVERVIEW
The front of the AquapHOx® Logger provides the port for connecting optical sensors using the PyroScience
SUB-connector, the fixed NTC temperature sensor for automatic temperature compensation, and a
mounting thread for calibration containers or protective cage during deployment/transport. The backside
of the device provides the connector with the USB interface.
The housing is dependent on the chosen device. APHOX-LX comes with a titanium housing for deployments
down to 4000m. APHOX-L-PH and APHOX-L-O2come with a POM housing capable for deployments down to
100m.
2.1 Optical Port
The AquapHOx® Loggers are compatible with PyroScience sensors for underwater applications designated
by the appendix ‘-SUB’ in the item number. Any of these sensor heads can be connected to the SUB-
connector (“optical port”) of the AquapHOx® Logger. The shallow-water versions APHOX-L-O2and APHOX-
L-PH only support sensor heads for either oxygen or pH, respectively. The deep-sea version APHOX-LX
supports oxygen as well as pH sensor heads for e.g. successive measurements.
2.2 Built-In Temperature Sensor
Optical oxygen and pH sensors show generally a temperature dependency, which can be automatically
compensated by the device. For this purpose, the AquapHOx® Logger offers a high-precision, fast
responding NTC temperature sensor. This sensor is fixed to the housing, it cannot be removed.
AquapHOx® Logger | Manual
© PyroScience GmbH 6
2.3 Air Pressure Compensation
For APHOX devices, the Pyro Workbench offers two ways to compensate for deviating ambient air pressure
at the water surface. The ambient air pressure can either be entered in "hPa" as fixed pressure (measured
at the water surface), or in approx. meters above sea level.
2.4 Included Accessories
1x USB configuration cable: allows easy calibration and setup with the powerful Windows software
packages Pyro Workbench or Pyro DeveloperTool, as well as charging of the battery. Not intended for
deployment during sampling.
1x Dummy Plug: used for protecting the electrical connector from water during the deployment.
1x Protection Cage: provides protection of the sensor ports during deployment or transport.
2x Calibration Containers: used for calibration standards during sensor calibration.
Calibration Capsules: used for preparation of calibration standards.
AquapHOx® Logger | Manual
© PyroScience GmbH 7
2.5 Optional Accessories
Sensor protection cage with anti-(bio)fouling net (item: APHOX®-CAGE-AF).
Anti-(bio)fouling net for underwater (-SUB) pH and oxygen sensor caps (item APHOX®-CAP-AF).
For optimal protection, the anti-(bio)fouling net (copper alloy) for the sensor cap protection cage (item:
APHOX®-CAP-AF) should be combined with the sensor protection cage for AquapHOx® meters (item:
APHOX®-CAGE-AF). Both protection cages can be purchased separately at any time and replaced once
exhausted.
AquapHOx® Logger | Manual
© PyroScience GmbH 8
Flow-through-cell (item: APHOX®-FTC).
The flow-through cell allows to connect the APHOX® devices to a flow path. It can be used fully submerged,
as well as in the laboratory, and can be combined with all PyroScience cap sensors with SUB-connector.
Typical use cases are pumped CTD systems, FerryBox Systems, and industrial applications. Please refer to
the APHOX®-FTC leaflet for product mounting.
AquapHOx® Logger | Manual
© PyroScience GmbH 9
3SOFTWARE INSTALLATION
The AquapHOx® Logger is operated with the user-friendly software Pyro Workbench. This software offers
comfortable settings and calibration wizards, as well as advanced logging features. Several devices can be
operated in parallel within a single window.
System requirements: PC with Windows 7/8/10/11 and min. 1000 MB free disk space.
Do not connect the USB cable to your PC before the software has been installed! The software will
automatically install the appropriate USB-drivers.
Installation steps:
•Download the Pyro Workbench from https://www.pyroscience.com/en/downloads/underwater-
devices
•Unzip and start the installer and follow the instructions.
•Connect the AquapHOx® Logger to your PC with the included USB cable.
•Start the Pyro Workbench software.
For more detailed information on the software, please refer to the Pyro Workbench manual available at
https://www.pyroscience.com/en/downloads/underwater-devices.
AquapHOx® Logger | Manual
© PyroScience GmbH 10
4CONFIGURATION
This chapter provides short instructions how to install, configure, and calibrate sensor heads to the
AquapHOx® Logger.
For in-depth information especially on sensor settings and sensor calibration, please refer to the respective
Analyte Sensor Manual for optical oxygen or pH sensors available at
https://www.pyroscience.com/en/downloads/underwater-devices.
4.1 Connecting the Sensor Head
An index matching liquid inside the
connector enhances the sensor signals.
Before connecting a sensor, insert the
provided Pasteur pipette filled with
deionized water (NOT seawater) to the
bottom of the connector and fill it
completely with the deionized water
(NOT seawater).
Alternatively, and mandatory for the
optical fiber with lens (item no. SPFIB-
LNS-SUB/SPFIB-LNS-CL2-SUB) for read-
out of sensor spots, insert the provided
Pasteur pipette filled with silicone oil
to the bottom of the connector and fill
it with silicone oil.
The sensor is inserted and secured
with the cap nut. Do not use a wrench.
It is sufficient to tighten the nut by
hand.
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