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SmartGuard pressure monitor 

Your all-in-one solution for cutting-edge liquid management.

Experience precise stock level and location information with analysis to obtain insights, reduce costs and optimise operations—all in one compact, powerful device.

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 Built for extreme conditions 

 With a rugged IP65-rated design, the SG8 resists dust, water, and oil spray. Remote liquid ready for any industry environment, its fuel monitoring you can rely on. 

 Highly accurate submersible sensor 

 A pressure sensor with an accuracy of within 1% the SG8 is ideal for domestic, construction and industrial applications. Compatible with fuel cubes, bowsers, and stations. 

 Simple monitor installation process 

 Screw the monitor into a tank and complete the setup with a single button press—making installation fast, simple, and user-friendly. 

 Long-lasting battery life 

 Typically delivers up to 5 years with user-replaceable batteries for easy maintenance. 

 GPS location 

 With an integral GPS satellite receiver, you can activate or deactivate the GPS remotely. 

 Flexible options 

 3m and 10m sensor lengths plus optional external antennas for enhanced connectivity. Adaptors available for most tank applications. 

A connected  experience through our portal

Our portal offers a powerful, user-friendly interface designed to provide real-time insights and management capabilities for your liquid tank levels. 

Monitor tank levels, track GPS locations, and manage your entire network with ease—all from one central platform. The customisable portal allows you to tailor the experience to your brand and business needs, making it a seamless extension of your operations.

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Key Portal Benefits

Scalability

Handle large data volumes from unlimited devices, allowing your network of devices to grow without limits.

Enhanced security

A secure cloud-based infrastructure ensures your data is protected while providing reliable monitoring.

Flexibility

A customisable and adaptable system designed to suit various IoT applications and business needs.

GPS location

Clear GPS visibility of remote tank locations, improving operational efficiency.

Cost-effectiveness

Remotely and efficiently monitor tank levels across multiple locations saving time and operational costs.

Branded portal

Customise the interface and naming conventions to align with your company’s brand identity.

Technical specifications

Sensor

Mounting

1” BSPP

Medium

Diesel, Gasoil, Kerosene, HVO, AdBlue, Water, Lube Oil, Grey Water, and others.

Accuracy

0.5% FSD

Data

Memory

5 day cache

Logging rate

1 hr to 24hr

Sample rate

3 minutes

Connectivity

Network Technology

CAT-M & NB-IoT with GSM fallback

Network operator(s)

Network Roaming- O2, Vodafone and EE

SG8

Power

3.6VDC Nominal – Provided by replaceable Lithium Thionyl Chloride Battery

Ambient temperature

-20C to +85C

Dimensions

65 x 80 x 80mm

Ingress protection

IP65

Colour

Black

Options

Antenna

Internal and external options

Antenna length

1m, 3m or 10m options

Adaptors

1 ¼” BSP, 1 ½” BSP, 2” BSP, Plastic tank adaptor, vent adaptor. 

A trusted team of experts

At the heart of Hastel’s success is our experienced and highly skilled team of technical experts. With deep knowledge across hardware design, software development, and IoT solutions, our team is passionate about driving innovation and delivering cost effective solutions.

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