All dive computers come with tilt-compensated 3D compass with set-bearing functionality.
All dive computers come with bungee mount.
All dive computers with high resolution IPS LCD display with automatic brightness adjustment through an ambient light sensor.
Perfect for rebreather divers
The various firmware for dive computers
The firmware hwOS from heinrichs weikamp is an operating system for dive computers that offers maximum transparency, usability and a wide range of functions. From apnea mode up to multigas calculation with Trimix and Nitrox the users have numerous options, even rebreather divers can use the firmware in many ways for their purposes.
Using Bluetooth or USB, rechargeable or single battery – the firmware hwOS allows to operate dive computers with various hardware.
You can connect the OSTC easily with Bluetooth to your personal computer, notebook or smartphone. So you can upload software and download your logbook. The OSTC works with Bluetooth Smart Ready, depending on the receiver it activates Bluetooth 2.0 or Bluetooth 4.0.
The data transfer is supported by many software applications and logbook programs like OSTC Tools, Diving Log or Subsurface.
Recharging the battery works inductive with the established Qi standard. For recharging just put the dive computer on the delivered charging pad – that´s it.
The wireless handling of the dive computer is easy to use and also offers a great advantage: The OSTC has no openings that could cause leakages. The forgotten cap of the USB connector is now a thing of the past.
The OSTC 4 has an optical port that allows to connect three oxygen sensors via the hwHUD or the ppO2 monitor. Additionally you can control the voltage (mV) of every sensor and the battery.
The connection is based on a fibre optic cable that can be removed and connected also underwater.
With the S8 connector you can directly connect three oxygen sensors to your OSTC cR. Optionally you can use a digital connection via the hw HUD S8.
The S8-connector is triple o-ring sealed. Because of its construction it is very robust. The OSTC cR can be connected to standard oxygen sensors with a common ground. The minimum voltage for calibration is 7 mV in air (21% O2) and 36 mV in pure oxygen (100% O2).
Additionally the S8 connector allows you to control the voltage (mV) of every sensor and the battery.