MNemo • Cave Survey Data Acquisition
Do you want to do fast and accurate cave survey ?
While you swim in the cave and you want to do cave survey data acquisition, simply clip MNemo on the line. Stabilize a couple of second, swim at normal pace until the next tie-off. Stabilize again a couple of seconds, unclip and re-clip after the tie off, repeat ... MNemo records the length of the line you just swam along, the depth/tilt angle at start, at the end, as well as the heading. These data get directly integrated in your favorite 3D cave mapping software: Ariane.
Stick Map Building
All data recorded with MNemo are easily sent to Ariane. Thanks to its intuitive interface, Ariane allows you to quickly enter your data and visualize the resulting stick map directly on the satellite map !
View directly your stick on the satellite map.
All devices are being tested and calibrated both on surface and in water before shipping.
We ship as fast as possible
Current delivery TIME 3-4 Weeks
The device is available on order worldwide on this.
You can also come to visit us in Playa del Carmen to pick up your device.
Dimension and Weight
- Product size: 13.00 x 10.00 x 5.00 cm
- Product weight: 540 g
- Buoyancy (fresh Water): -50g
- Material : Acetal, PTFE, ABS, crystal clear epoxy
- Depth rating : 130m (depth sensor limitation) (Extended model : 290m)
Cave line requirements
- Knots : allowed if overall diameter smaller then 5mm
- Tension : minimum 5N
- Optimal : #21 or #24 nylon braided line without knots and 25N tension
- Depth : 10cm
- Length : 0.5% of total length +/-3.6cm
- Heading : 1.5°
- Loop closure: expect around 1% of error
- Depth -> Temperature compensated new generation of high resolution altimeter sensor
- Length -> Quadrature encoder infra-red optical detector
- Heading/Tilt -> intelligent 9-axis absolute orientation sensor, with hard and soft iron compensation plus reference headings interpolation.
- Memory: +/- 5000 shots
- Battery : Rechargeable+Factory Replaceable Li-ion 400mAh- 10h stand-by, 5h reading, 2 months in sleep mode
- Software requirement (min.) : Windows 8, Mac OSX, Linux 64b
- Firmware Update : yes, through bootloader.
- Accessibility : Device can be operated with one hand.
- Warranty : 1 year
- RoHS complient.
- Hand assembled, adjusted and calibrated in Mexico.
Component country of origin: Germany, Switzerland, USA, Thailand, China
FYI : This is obviously not a mass consumer electronic product, but rather a tool aimed at serious cave explorers. Don't expect a fancy/shinny/stylish smartphone-like device. This is a rugged assembly of Delrin around poted state of the art electronic circuitry, some Teflon where necessary and plastic screws to lower magnetic disturbance. It won't even look brand new when you unbox it as all devices will be tested and calibrated both on surface and in water before shipping. That being said it's serving its purpose pretty well.
What our clients say
Don't just take our word for it. Hear what our customers have to say!
Without exception, Ariane's line and the Mnemo offer the most sophisticated, efficient and practical means to survey and process underwater cave data.
It's an incredibly easy and accessible system with a lot of options and capabilities. One of the many features that is excellent is being able to overlap it with google maps and show in real time where the cave is located. Cuts the survey time and effort in half.
$660 + taxes & shipping
Mapping a Cave has never been so fast and accurate : while you swim, simply clip MNemo on the line and start recording data.
MNemo is an exclusive device built on-demand with love, tested and fine tuned. Order now and secure the first place in the queue!
Shipping costs are calculated when your MNemo is ready. You can choose to come and pick it up, or let it be delivered by DHL.
When your MNemo is ready and tested, you get a payment link per email, including taxes and shipping costs. Your MNemo will be sent as soon as the payment is done.
You don't need to pay when you place the order. Choose between picking up your MNemo and DHL shipping.