MNSR-DORY
Dory
For first dives & travel
A palm-sized, 1.1-kilo drone that fits in a daypack. Toss the Wi-Fi buoy overboard, open the app, and you're flying in minutes.
- Depth
- 15 m
- Camera
- 1080p · f/1.6
- Thrusters
- 5
- Runtime
- 1 h
from $699
Full details →Official CHASING distributor
See what thewater hides.
Every hull, dam wall, net pen and pipeline ends below the waterline — where sending a diver is slow, costly and sometimes dangerous. A CHASING ROV puts 4K eyes down to 350 meters in minutes, while your crew stays dry on deck.
Explore the fleet
From $1,299 · 5 models · rated to 350 m
The fleet
Seven ways to never lose sight.
Every CHASING drone shares the same DNA — stabilized 4K-class optics, depth-lock hover and thrust to hold station in current. Pick the hull that matches your depth.
MNSR-F1 PRO
F1 Pro
For anglers
A wireless fish finder with eyes: a rotatable camera pod on a 20-meter reel shows you the fish before you cast. GPS brings it home.
- Depth
- 20 m (pod)
- Camera
- 1080p STARVIS
- Thrusters
- 4
- Runtime
- 6 h
from $1,119
Full details →MNSR-MINI S
Gladius Mini S
For creators & dive crews
The prosumer workhorse. A stabilized 4K/12MP camera, 2,400-lumen lights and four hours of runtime, down to 100 meters.
- Depth
- 100 m
- Camera
- 4K EIS · 12 MP
- Thrusters
- 5
- Runtime
- 4 h
from $1,499
Full details →MNSR-M2 S
M2 S
For inspection & recovery teams
The lightest industrial CHASING: eight thrusters, 360° motion and a modular mount for claw or sonar — at 4.5 kilos, deployed by one person.
- Depth
- 100 m
- Camera
- 4K · 12 MP
- Thrusters
- 8
- Runtime
- 4 h
from $3,149
Full details →MNSR-M2 PRO
M2 Pro
For all-day industrial work
The light-industrial workhorse. 150 W thrusters, a 150-meter rating and shore power — runtime measured in shifts, not hours.
- Depth
- 150 m
- Camera
- 4K EIS · 12 MP
- Thrusters
- 8
- Runtime
- 4 h · AC ∞
from $4,199
Full details →MNSR-M2 PRO MAX
M2 Pro Max
For industry & science
The industrial flagship. Eight vectored thrusters give six degrees of freedom — mount sonar, a grabber arm or a laser scaler and work a 400-meter radius, 200 meters down.
- Depth
- 200 m
- Camera
- 4K · 12 MP Sony CMOS
- Thrusters
- 8 vectored
- Speed
- 3 kn
from $7,749
Full details →MNSR-X
Chasing X
For strong currents & deep work
The next-generation workhorse. An OctoDrive hull that holds station in 4.5-knot current, dives to 350 meters and flips its e-PTZ camera for a full hemispherical view.
- Depth
- 350 m
- Camera
- 4K UHD e-PTZ
- Thrusters
- 8 OctoDrive
- Speed
- 4.5 kn
on request
Full details →Accessories
Outfit the hull for the job.
Genuine CHASING payloads and spares, stocked in Hradec Králové — reels, claws, sonars, batteries and the cases to haul them all in.
01
Reels & tether
The electric E-Reel and 200–400 m tether spools that keep the link tidy at depth.
- E-Reel
$719
- 400 m Tether
$919
- Reel with 400 m Tether
$1,369
02
Grabber claws & samplers
Two- and three-jaw claws plus water samplers for recovery and science work.
on request
03
Inspection aids
Laser scalers, distance locks and external lights for measurable survey footage.
on request
04
Batteries & power
Spare flight batteries, chargers and shore-power supplies for shift-length runtime.
05
Navigation
DVL positioning modules for station-keeping and straight transects where GPS can't reach.
- Water Linked DVL A50
$16,749
06
Imaging sonars
Ping360 scanning and Oculus multibeam sonars for zero-visibility water.
07
Controllers
Remote controllers and smartphone holders for one- or two-operator crews.
08
Cases & backpacks
Hard cases and backpacks cut for each hull and its kit.
- F1 Backpack
$109
Compatibility varies by model — tell us your hull and mission and we'll spec the kit.
Ask about availability →Service
Measured, maintained, back in the water.
MENSOR is an authorized CHASING service point for the Czech Republic and Central Europe. Drones arrive in Hradec Králové — they leave calibrated.
01
Repairs & genuine parts
Warranty and post-warranty repairs with original thrusters, seals and electronics — pressure-tested before they ship back.
02
Firmware & calibration
Firmware updates, compass and depth-sensor calibration, camera checks — the annual once-over that keeps footage usable as evidence.
03
Training & commissioning
On-site pilot training for crews, mission planning and first-dive commissioning for industrial deployments.
04
Loaner fleet
A repair shouldn't sink your season — loaner hulls keep your operation diving while yours is on the bench.
Typical turnaround: 5–10 working days.
Book a service slotInstrument grade
Numbers you can dive by.
Mensor — Latin for "the one who measures." We take the name literally, so here are CHASING's numbers, not adjectives.
0m
meters of dive depth
0
vectored thrusters
0.0kn
knots top speed
0h
hours per charge
01
Vectored 8-thruster drive
Full 360° omnidirectional movement with six degrees of freedom. The M2 series hovers, rolls and holds station in current.
02
4K EIS optics
A 12 MP Sony CMOS behind a fast lens, electronically stabilized, with up to 4,000 lumens of onboard light for when the blue turns black.
03
Modular payloads
Grabber arm, mountable sonar, laser scaler, external lights — click a tool onto the rail and dive. One hull, many jobs.
04
Shore-powered endurance
Quick-swap batteries for the field, unlimited runtime on AC power at the dock, and tether options out to 400 meters.
MENSOR // CHASING FLEET // 200 M // 8 THRUSTERS // 4K EIS // PRAGUE // MENSOR // CHASING FLEET // 200 M // 8 THRUSTERS // 4K EIS // PRAGUE // MENSOR // CHASING FLEET // 200 M // 8 THRUSTERS // 4K EIS // PRAGUE //
The ocean won't wait.
Every CHASING model ships from our Hradec Králové warehouse with EU warranty and lifetime pilot support. Order today, dive this weekend.
Order nowFree EU shipping · 2-year warranty · Sea-trial days in Hradec Králové