AquapHOx® Transmitter | Manual
© PyroScience GmbH 4
1INTRODUCTION
The AquapHOx® Transmitter family (item no. APHOX-TX, APHOX-T-PH, APHOX-T-O2) are
transmitters for underwater operation down to 4000 m (APHOX-TX) or 100 m (APHOX-
T-PH and APHOX-T-O2) water depth. The AquapHOx® Transmitter platform offers one
optical port for a wide range of optical O2-, pH-, or temperature sensors from
PyroScience. A fixed NTC temperature sensor provides automatic temperature
compensation of the optical sensors. The digital interface is a RS485-Modbus interface,
which can convert to USB via the included USB adapter cable. The electrical interface
offers additionally 4 high-resolution analog outputs.
There are several usage scenarios depending on the users´ level of experience:
Option A: The device can be operated via the included USB adapter cable with
the simple and user-friendly Windows software Pyro Workbench, which is
typically used by end-users. This software offers comfortable settings and
calibration wizards, as well as advanced logging features. Several modules can
be operated in parallel within a single window (see chapter 3).
Option B: The software Pyro DeveloperTool enables more configuration
possibilities for advanced user. It offers simple settings and calibration
procedures, as well as basic logging features. Furthermore, additional advanced
settings offer full control of all features of the transmitter (see chapter 4).
Option C: The AquapHOx® Transmitter also features analog outputs (4-20mA or
0-5V). Configuration of the analog outputs, sample rate, as well as calibration of
the sensors can be performed using the software Pyro Workbench or Pyro
DeveloperTool. (see chapter 5).
Option D: The AquapHOx® Transmitter features a standard RS485 interface with
Modbus RTU protocol, supporting robust bus systems, supporting up to 247
devices at a single bus with several 100m cable lengths. This very popular
communication protocol allows easy integration of the AquapHOx® Transmitter
into third party systems (see chapter 6).
