Dual Tank Level and Temperature System For Flammable Liquids
Engineered for safety, compliance, and reliability.
ACCURATE DIGITAL MEASUREMENT
SAFE FOR HAZARDOUS FLUIDS
ONE-TIME CALIBRATION
OVERFILL PROTECTION
COMMUNICATIONS & MOBILE CONNECTIVITY
Key Features & Benefits
Model 808-BT3
The SeeLeveL Flair™ 808-BT3 is a high-accuracy tank monitoring system for tank trucks carrying flammable or non-flammable liquids. The SeeLeveL Flair™ provides dual-compartment liquid volume and temperature monitoring. It connects to the sender using fiber optic technology to help prevent the risk of sparking in safety-critical environments. The fiber optic cable can be cut and terminated without special tools or equipment, making installation simple and efficient. It also features Bluetooth® connectivity, onboard data logging, and communication outputs for integration with vehicle and fleet monitoring systems.
- Monitors up to two compartments
- Provides continuous liquid volume on an LED display
- Second utility display shows temperature and alarms
- Configurable alarm and automatic pump shutdown outputs for overfill protection
- Mobile app connectivity for system setup and troubleshooting
- CAN and RS485 communications supported
- Internal data logging
- Operates from standard 12 VDC truck power
- Compatible with 810-X and 810-TX sender bars
- Add a SpillStop™ or MultiRack™ for increased overfill protection
Operation Overview
The SeeLeveL Flair™ 808‑BT3 monitors up to two compartments, continuously displaying liquid volume and temperature. The SeeLeveL Flair™ (3) provides configurable high-level alarms, automatic pump shutoff, and emergency overfill protection. Using a vertically mounted 810-X or 810‑TX Sender Bar (5) in each compartment, the system continuously measures liquid volume and temperature and transmits the data via fiber optic cable.

SpillStop Ultra
Alarm Controller

SeeLeveL Junction Box

SeeLeveL Flair
Tank Level Gauge

SeeLeveL MultiRack
Loading Rack Controller

810-X Sender Bar

810-TX Sender Bar

810-X Sender Bar

810-TX Sender Bar
*Select a numbered marker to view each system component.
SeeLeveL™ Sender Bars
810 Series
The 810 series sender bars are commonly used in liquid transport applications such as fuel, crude oil, condensate, and chemical hauling, where accurate level sensing and dependable performance are critical to safety and operations. The 810 series sender bars offer fiber optic communication for added safety in hazardous environments where sparking risk is not acceptable
Both sender bars feature a field-replaceable lithium battery with a 10-year lifespan, and are designed for tank heights up to 87″ (221 cm). Optional stainless steel float available.
810-X Sender Bar:
- Measures fluid level and temperature
- 1/3″ (8.47 mm) resolution and ±0.2″ (±5 mm) accuracy
- Compatible with the 250-TRUCK_FLOAT
810-TX Sender Bar:
- Measures fluid level and temperature
- 1/4″ (6.35 mm) resolution and ±0.13″ (±3.3 mm) accuracy.
- Compatible with the 250-STAT_FLOAT
SeeLeveL Command™ App
Configuration Tool
The SeeLeveL Command™ App is the configuration tool for compatible transport monitoring systems. Available for Android, iOS, and Windows, the app makes it easy to configure, calibrate, monitor, and troubleshoot your SeeLeveL system. Connections can be made wirelessly through Bluetooth® or directly through the device’s internal micro-USB connection on Windows and Android devices when Bluetooth® is unavailable.
- See all compartment levels at a glance
- Set tank calibration and offset values for accurate liquid volume readings
- Configure alarm setpoints and temperature units
- View system status and device information
- Perform firmware updates
- Access troubleshooting and diagnostic tools
- Retrieve and review system logs and alarm history
Add-On Systems
Add Overfill Protection Enhancements
Protect personnel, equipment, and worksites with configurable overfill prevention solutions.
Alarm Controller
Loading Rack Controller
Products That Enhance Functionality and Support
Enhance your core system with specialized integration products designed for your application.
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Truck Grounding Controller
Explore our Resource Library
Access all technical documentation and more from our Resource Library to get the most from your SeeLeveL Systems

