Description
- 1x BlueRobotics BarXT Submersion Depth/Pressure Sensor (Bar100XT 0-100 Bar, ~1000m)
- 1x M10 bulkhead O-ring
- 1x Bulkhead nut

Electrical
- Supply Voltage (Vin): 2.5–5.5 V
- I2C Logic Voltage (SDA and SCL): 1.8–3.6 V
- Typical Current: 1.5 mA
- Idle Current: 100 nA
Performance Bar100XT
- Maximum Mechanical Pressure: 400 bar
- Operating Pressure: 0–100 bar
- Operating Depth: 0–1009 m
- Accuracy (0.15% FS): ±150 mbar (±1.54 m in freshwater)
- Total Error Band (0–50°C, 0.7% FS): ±700 mbar (±7.16 m in freshwater)
- Resolution: 3 mbar (31 mm in freshwater)
- Long Term Stability (typ.): ±100 mbar
Specifications
- Pressure Type: PA, sealed pressure (1 bar absolute reference)
- Temperature Accuracy (typ.): ±2°C
- Temperature Resolution: 0.0031°C
Physical
- In Air Weight (No Nut): 32 g
- In Water Weight (No Nut): 27 g
- Bulkhead O-ring Size: AS568-013 Buna-N 70A
- Bulkhead Thread: M10 x 1.5
- Installation Hole (Port) Size:
- Clearance: 10.0–10.2 mm
- Tapped: M10 x 1.5
- Bulkhead/Plug Material: Stainless steel 316L, black oxide coated
- Wetted Materials: Stainless steel 316L, black oxide coated, Buna N, Viton, Molykote 111
Interfacing
- ArduSub Compatible: Yes
- Development Libraries: KellerLD-Arduino, KellerLD-Python, KellerLD-ArduPilot
- I2C Address: 0x40
- Connector: 4-position JST GH
- Mating Connector: 4-pos JST GH (available on Digi-Key)
- Connector Pinout:
- Red – Vin
- Green – SCL
- White – SDA
- Black – GND