Product
Datasheet

SM0814
Sensor Module · Target Applications
◇ UUV
Key Features
  • Three-sensor UUV module: atmospheric barometer, waterproof depth pressure sensor, ToF laser rangefinder
  • Waterproof depth pressure sensor — available in 02 bar (~20 m) and 50 bar (~500 m) variants
  • Atmospheric barometer — surface pressure reference for depth correction
  • ToF laser ranger — obstacle distance measurement, 940 nm
  • Compact form factor: 8.41 × 14.65 × 8 mm — 1× M3 mounting hole
  • Designed for use in Hilbert Robotics UUV products
Product Image
Product Image
Interface (SM04B-GHS-TBT)
SM04B-GHS-TBT
1 VCC +5 V input
2 SCL I²C Clock
3 SDA I²C Data
4 GND Ground
* Mating connector: GHR-04V-S
Brief Specification
  • Input Power5 V
  • Sensor — DepthWaterproof pressure sensor (02 or 50 bar)
  • Sensor — BaroAtmospheric barometer
  • Sensor — RangeToF laser rangefinder
  • Depth Sensor Range0 ~ ~20 m (02) · 0 ~ ~500 m (50)
  • Laser Ranger Rangeup to 6000 mm
  • InterfaceI²C
  • Dimensions (L×W×H)8.41 × 14.65 × 8 mm
  • ConnectorSM04B-GHS-TBT
Dimensions
CAD Drawing

Specification

SM0814
Full Technical Reference · SM0814 Sensor Module Datasheet Rev 1.0
Parameter Condition Value Unit
Waterproof Depth Pressure Sensor  (02 value / 50 value)
Operating Pressure RangeAbsolute0 ~ 2 / 0 ~ 50bar
Depth Equivalent (fresh water)ρ = 997 kg/m³0 ~ ~20 / 0 ~ ~500m
Depth Equivalent (salt water)ρ = 1025 kg/m³0 ~ ~20 / 0 ~ ~490m
Pressure ResolutionOSR = 81920.2mbar
Depth ResolutionOSR = 8192, fresh water~2mm
Pressure Accuracy0 ~ +40 °C±2mbar
−20 ~ +85 °C±4mbar
Atmospheric Barometer
Pressure Range—300 ~ 1250hPa
Pressure Accuracy (abs.)25 °C±0.5hPa
Pressure Resolution—1/64Pa
Pressure RMS NoiseTypical0.06Pa
Temperature Range—−40 ~ +85°C
Temperature Accuracy−20 ~ +65 °C±0.5°C
Temperature Resolution—1/128°C
Max Output Data Rate—240Hz
ToF Laser Rangefinder
Ranging DistanceWhite target, indoor1 ~ 6000mm
Ranging AccuracyTypical, < 1 m±5mm
Wavelength—940nm
Field of View—18°
Max Update Rate—50Hz
Ambient Light Immunity—up to 140klux
Operating Temperature—−20 ~ +70°C
Power Supply
Module Input Voltage—5.0V DC
Mechanical
Dimensions (L × W × H)PCB8.41 × 14.65 × 8mm
Mounting—1× M3 screw hole—
Operating Temperature—−20 ~ +85°C
Storage Temperature—−40 ~ +125°C
Connector—SM04B-GHS-TBT—

Pricing

SM0814
Ordering Information · SM0814 Sensor Module Datasheet Rev 1.0
Part Number Naming Rule
SM0814 Sensor
Module
-
02 Depth Sensor
Variant
-
X Country
Depth Sensor Variant
022 bar depth sensor (~20 m)
5050 bar depth sensor (~500 m)
Country of Origin
CChina
KKorea
XUnspecified
Pricing — SM0814 Series
Part Number Depth Sensor Variant Unit Price
SM0814-02-X 2 bar (~20 m depth) Contact us
SM0814-50-X 50 bar (~500 m depth) Contact us
ⓘ This module is primarily used in Hilbert Robotics UUV products. For pricing and availability, contact us directly. ✉ hyon646@gmail.com
How to Order
Lead Time On request
Shipping Worldwide · DHL / FedEx / EMS
Contact hyon646@gmail.com
Document Revision History
Version Date Description
v1.0 2026-05-30 Initial Release — SM0814 Sensor Module