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== Product Overview ==
== Product Overview ==
<div class="dim">


''Brief 1–2 paragraph introduction to the product per IEC/IEEE 82079-1.''
The '''LIGO AIR''' is a Bluetooth Low Energy (BLE) wireless fuel level sensor developed and manufactured by SOJI Electronics JSC. It is designed to measure the level of liquid fuel and other non-conductive liquids in vehicle tanks and stationary fuel storage, serving fleet telematics, industrial monitoring, and off-highway machinery applications. Built on Bluetooth 5.4 with a heavy-duty metal housing and an IP69K seal, the sensor delivers seamless, real-time data transmission without complex wiring — minimizing installation effort and the risk of signal-wire tampering.


'''What to fill in:'''
The LIGO AIR series was engineered to address the long-standing weaknesses of competitive wireless fuel sensors: short battery life, unstable connectivity, and limited durability in harsh environments. With ultra-low power consumption, optional extended-life battery, and a directional-antenna long-range variant, LIGO AIR maintains stability, durability, and operational lifespan equal to — or greater than — wired sensors.   
* Product name, category, primary function
* Key technology and target environment
* Value proposition for B2B customers


'''Example structure:''' "The [Product Name] is a [type] device designed for [primary application]. It features [key technology] and is built for [target environment]."
== Key Features ==


</div>
* '''High measurement accuracy''' up to '''99.5 %'''.
* '''Extended communication range''' — directional antenna technology delivers up to '''1.5×''' the range of typical market-available wireless sensors.
* '''Ultra-low power consumption''' — '''9 µA''' in working mode, '''4 µA''' in storage mode — for longer battery life and reduced maintenance.
* '''Configurable probe length''' — can be cut or extended up to '''6000 mm'''.
* '''Wide operating temperature range''' — '''−40 °C to +85 °C'''.
* '''High TX power''' up to '''19.5 dBm''' on the LIGO AIR PRO variant.
* '''Extended battery capacity''' up to '''3600 mAh''' (optional).
* '''Replaceable battery''' — supports field servicing.
* '''Built-in accelerometer''' (LIGO AIR PRO).
* '''Built-in 32 Mb EEPROM''' — data logs stored continuously for a minimum of 90 days, plus up to 500 setting logs.
* '''Built-in anti-mud oil filter and anti-vibration springs'''.
* '''IP69K waterproof rating'''.
* '''8 – 10 years of battery life''' (variant-dependent).


== Key Features ==
== Applications ==
<div class="dim">


''Bullet list of top 5–7 differentiating features.''
* '''Transportation / Fleet''' — trucks, excavators, cement mixers, heavy construction machinery.
* '''Marine''' — marine vessels, bunker fuel monitoring.
* '''Power generation''' — backup and standby electric generators.
* '''Off-highway machinery''' — equipment operating in high-temperature and high-vibration environments.
* '''Industrial storage''' — oil storage tanks, stationary fuel storage facilities.
* '''Telecom / Infrastructure''' — base-station generators and remote-site fuel monitoring.


'''What to fill in:'''
== Product Variants / Ordering Information ==
* Each bullet = 1 key feature with measurable value
* Focus on: accuracy, connectivity, durability, compatibility
* Examples of features to cover:
** Measurement specifications (accuracy, range, response time)
** Connectivity (Bluetooth/WiFi/Cellular protocol + version)
** Power (battery life, voltage range)
** Environmental rating (IP, operating temperature)
** Compatibility (telematics platforms, software)


</div>
Three specialized versions are available, each optimized for a specific operational priority — cost efficiency, extended battery life, or long-range communication:
 
{| class="wikitable"
|-
! Model !! Description !! Target Use Case
|-
| '''LIGO AIR LxS''' || Standard version — cost-effective solution for essential monitoring with reliable performance. || Trucks, excavators, cement mixer trucks, heavy construction machinery.
|-
| '''LIGO AIR LxT''' || Extended-battery version — engineered for long operational life (8–12 years) and reliable performance in harsh and high-temperature environments. || Long-life deployments where servicing is difficult; high-temperature operation.
|-
| '''LIGO AIR PRO LxS''' || Long-range version — high TX power (19.5 dBm) for extended transmission distance and metal-obstructed environments. || Marine vessels, electric generators, industrial / stationary storage tanks.
|}


== Applications ==
=== Package Contents ===
<div class="dim">


''Typical use cases and industries the product serves.''
{| class="wikitable"
|-
! No. !! Item !! Quantity
|-
| 1 || LIGO AIR Fuel Level Sensor (standard lengths 700 / 1000 / 1500 mm; custom on request) || 01
|-
| 2 || Oil filter || 01
|-
| 3 || Gasoline-resistant rubber gasket || 01
|-
| 4 || Bottom-stop and springs || 01
|-
| 5 || Self-drilling screw M4.8 × 32 mm || 04
|-
| 6 || Rivet and screw M5 × 20 mm || 04
|-
| 7 || Plastic seal cover || 01
|-
| 8 || Quick installation manual || 01
|}


'''What to fill in:''' bullet list of applications (4–6 items)
== Technical Specifications ==
* Each bullet = 1 specific industry/use case
* Common categories:
** Transportation/Fleet (trucks, buses, trailers)
** Telecom (backup generators, base stations)
** Industrial (storage tanks, process monitoring)
** Marine (bunker fuel, hydraulic systems)
** Mining (heavy equipment, refueling stations)


</div>
{| class="wikitable"
|-
! Parameter
! LIGO AIR (LxS, LxT)
! LIGO AIR-PRO
! Unit


== Product Variants / Ordering Information ==
|-
<div class="dim">
| Standard length (L)
| colspan="2" style="text-align:center; vertical-align:middle;" | 700, 1000, 1500 ... up to 6000
| mm


''Table of all product SKUs available for ordering.''
|-
| Measuring error
| colspan="2" style="text-align:center; vertical-align:middle;" | ± 0.5
| %


'''What to fill in:''' table with columns:
|-
* '''Model''' — short product code (e.g., LIGO-AIR-STD)
| Bluetooth specs
* '''Part Number''' — internal SKU (e.g., SKU-001)
| style="text-align:center;" | Bluetooth 5.4, IEEE 802.15.4-2006, 2.4 GHz, -95 dBm sensitivity<br>TX power max: 6 dBm
* '''Description''' — variant differences (cable length, certification, etc.)
| style="text-align:center;" | Bluetooth 5.4, IEEE 802.15.4-2006, 2.4 GHz, -95 dBm sensitivity<br>TX power max: 19.5 dBm
* '''Region''' — geographic availability (Global, EU/APAC, US only, etc.)
|


'''Common variants:''' Standard / Extended / Industrial-grade / ATEX-certified
|-
| Advertising Protocol
|
* SOJI Protocol (default)
* Mielta Protocol (setting in mobile app)
* Escort Protocol (setting in mobile app)
|
* SOJI Protocol (default)
* Mielta Protocol (setting in mobile app)
* Escort Protocol (setting in mobile app)
|


</div>
|-
| Power supply
| 3.6V × 2600mAh (LxS)<br>3.6V × 2400mAh (LxT)
| 3.6V × 3600mAh
|


== Technical Specifications ==
|-
<div class="dim">
| Current consumption in working mode
| style="text-align:center;" | 9
| style="text-align:center;" | 27
| µA


''Detailed technical parameters of the product.''
|-
| Measurement interval
| colspan="2" style="text-align:center; vertical-align:middle;" | From 5 to 10
| s


'''What to fill in:''' specification table with columns Parameter / Value / Unit / Descriptions
|-
| Advertising message interval
| style="text-align:center;" | From 5 to 10
| style="text-align:center;" | From 10 to 15
| s


'''Parameters to cover:'''
|-
* '''Electrical''': Operating voltage, Operating current (avg/peak/sleep), Power consumption
| Waterproof standard (Ingress protection rating)
* '''Performance''': Measurement range, Accuracy, Resolution, Response time, Sampling rate
| colspan="2" style="text-align:center; vertical-align:middle;" | IP69K
* '''Wireless''' (if applicable): Protocol, Frequency band, Output power, Receiver sensitivity, Range
|
* '''Environmental''': Operating temperature, Storage temperature, Humidity, Ingress protection (IP)
* '''Mechanical''': Dimensions (L × W × H), Weight, Mounting interface
* '''Service life''': Expected years at typical operation


'''Optional sub-sections:''' If product has many specs, split into <code><nowiki>=== Performance ===</nowiki></code>, <code><nowiki>=== Electrical ===</nowiki></code>, <code><nowiki>=== Wireless ===</nowiki></code>, <code><nowiki>=== Environmental ===</nowiki></code>, <code><nowiki>=== Memory ===</nowiki></code>, <code><nowiki>=== Mechanical Dimensions ===</nowiki></code>, <code><nowiki>=== Interface / Connectivity ===</nowiki></code>, each with its own table.
|-
| Operating temperature
| colspan="2" style="text-align:center; vertical-align:middle;" | -40...+85
| °C


</div>
|-
| Resolution
| colspan="2" style="text-align:center; vertical-align:middle;" | 12
| bit


== Compliance and Certifications ==
|-
<div class="dim">
| Accelerometer
| style="text-align:center;" | N/A
| style="text-align:center;" | Built-in
|


''Regulatory certifications and standards compliance.''
|-
| Memory
| colspan="2" style="text-align:center; vertical-align:middle;" | Built-in 32MB EEPROM
|


'''What to fill in (sub-sections):'''
|-
| Average sampling period
| colspan="2" style="text-align:center; vertical-align:middle;" | 5 to 60
| s


* '''Wireless / Radio''' — bullet list of certifications by region:
|-
** CE RED (EU) — certificate number
| Absolute error in temperature measurement within the entire temperature measuring range
** FCC Part 15 (US) — FCC ID
| colspan="2" style="text-align:center; vertical-align:middle;" | ±2
** IC (Canada) — IC number
| °C
** Bluetooth SIG QDID (if BLE)
** RoHS 3


* '''Environmental''' — standards compliance:
|-
** RoHS 3 (Directive 2015/863/EU)
| Average service life (expected)
** REACH (EC 1907/2006)
| colspan="2" style="text-align:center; vertical-align:middle;" | 10
** WEEE (Directive 2012/19/EU)
| years
** IP rating per IEC 60529
|}


* '''Mechanical / Safety''' — test standards:
== Compliance and Certifications ==
** IEC 60068-2-6 — Vibration
** IEC 60068-2-27 — Shock
** IEC 60068-2-30 — Damp heat
** IEC 61010-1 — Electrical safety


* '''Industry-Specific''' (remove if N/A):
** ATEX / IECEx — for hazardous environments
** MID — Measuring Instruments Directive
** Automotive E-Mark — for vehicle applications
** Marine certification — DNV / ABS / Lloyd's Register


* '''Warranty''':
''Detailed test reports and certificate numbers: see [[Product Certification & Approvals]].''
** Standard warranty period (years from shipment)
** Extended warranty options
** NOT covered items
** Void conditions
** Cross-reference to [[Warranty Terms and Conditions]]


=== Warranty ===
* '''Warranty period:''' '''3 years''' from the date of shipment by the manufacturer.
* The warranty period and service life '''do not apply to the battery'''.
* Compliance with the specified operating, transport, and storage conditions is a prerequisite for the manufacturer's guarantee.
* The manufacturer reserves the right to modify the design and composition of the product without prior notice.
* See [[Warranty Terms and Conditions]] for full terms, exclusions, and void conditions.
</div>
</div>
<div class="noprint">
<div class="noprint">
== Related Documents ==
== Related Documents ==

Revision as of 09:14, 9 June 2026

Product Overview

The LIGO AIR is a Bluetooth Low Energy (BLE) wireless fuel level sensor developed and manufactured by SOJI Electronics JSC. It is designed to measure the level of liquid fuel and other non-conductive liquids in vehicle tanks and stationary fuel storage, serving fleet telematics, industrial monitoring, and off-highway machinery applications. Built on Bluetooth 5.4 with a heavy-duty metal housing and an IP69K seal, the sensor delivers seamless, real-time data transmission without complex wiring — minimizing installation effort and the risk of signal-wire tampering.

The LIGO AIR series was engineered to address the long-standing weaknesses of competitive wireless fuel sensors: short battery life, unstable connectivity, and limited durability in harsh environments. With ultra-low power consumption, optional extended-life battery, and a directional-antenna long-range variant, LIGO AIR maintains stability, durability, and operational lifespan equal to — or greater than — wired sensors.

Key Features

  • High measurement accuracy up to 99.5 %.
  • Extended communication range — directional antenna technology delivers up to 1.5× the range of typical market-available wireless sensors.
  • Ultra-low power consumption — 9 µA in working mode, 4 µA in storage mode — for longer battery life and reduced maintenance.
  • Configurable probe length — can be cut or extended up to 6000 mm.
  • Wide operating temperature range — −40 °C to +85 °C.
  • High TX power up to 19.5 dBm on the LIGO AIR PRO variant.
  • Extended battery capacity up to 3600 mAh (optional).
  • Replaceable battery — supports field servicing.
  • Built-in accelerometer (LIGO AIR PRO).
  • Built-in 32 Mb EEPROM — data logs stored continuously for a minimum of 90 days, plus up to 500 setting logs.
  • Built-in anti-mud oil filter and anti-vibration springs.
  • IP69K waterproof rating.
  • 8 – 10 years of battery life (variant-dependent).

Applications

  • Transportation / Fleet — trucks, excavators, cement mixers, heavy construction machinery.
  • Marine — marine vessels, bunker fuel monitoring.
  • Power generation — backup and standby electric generators.
  • Off-highway machinery — equipment operating in high-temperature and high-vibration environments.
  • Industrial storage — oil storage tanks, stationary fuel storage facilities.
  • Telecom / Infrastructure — base-station generators and remote-site fuel monitoring.

Product Variants / Ordering Information

Three specialized versions are available, each optimized for a specific operational priority — cost efficiency, extended battery life, or long-range communication:

Model Description Target Use Case
LIGO AIR LxS Standard version — cost-effective solution for essential monitoring with reliable performance. Trucks, excavators, cement mixer trucks, heavy construction machinery.
LIGO AIR LxT Extended-battery version — engineered for long operational life (8–12 years) and reliable performance in harsh and high-temperature environments. Long-life deployments where servicing is difficult; high-temperature operation.
LIGO AIR PRO LxS Long-range version — high TX power (19.5 dBm) for extended transmission distance and metal-obstructed environments. Marine vessels, electric generators, industrial / stationary storage tanks.

Package Contents

No. Item Quantity
1 LIGO AIR Fuel Level Sensor (standard lengths 700 / 1000 / 1500 mm; custom on request) 01
2 Oil filter 01
3 Gasoline-resistant rubber gasket 01
4 Bottom-stop and springs 01
5 Self-drilling screw M4.8 × 32 mm 04
6 Rivet and screw M5 × 20 mm 04
7 Plastic seal cover 01
8 Quick installation manual 01

Technical Specifications

Parameter LIGO AIR (LxS, LxT) LIGO AIR-PRO Unit
Standard length (L) 700, 1000, 1500 ... up to 6000 mm
Measuring error ± 0.5 %
Bluetooth specs Bluetooth 5.4, IEEE 802.15.4-2006, 2.4 GHz, -95 dBm sensitivity
TX power max: 6 dBm 		Bluetooth 5.4, IEEE 802.15.4-2006, 2.4 GHz, -95 dBm sensitivity
TX power max: 19.5 dBm
Advertising Protocol
  • SOJI Protocol (default)
  • Mielta Protocol (setting in mobile app)
  • Escort Protocol (setting in mobile app)
  • SOJI Protocol (default)
  • Mielta Protocol (setting in mobile app)
  • Escort Protocol (setting in mobile app)
Power supply 3.6V × 2600mAh (LxS)
3.6V × 2400mAh (LxT) 		3.6V × 3600mAh
Current consumption in working mode 9 27 µA
Measurement interval From 5 to 10 s
Advertising message interval From 5 to 10 From 10 to 15 s
Waterproof standard (Ingress protection rating) IP69K
Operating temperature -40...+85 °C
Resolution 12 bit
Accelerometer N/A Built-in
Memory Built-in 32MB EEPROM
Average sampling period 5 to 60 s
Absolute error in temperature measurement within the entire temperature measuring range ±2 °C
Average service life (expected) 10 years

Compliance and Certifications

Detailed test reports and certificate numbers: see Product Certification & Approvals.

Warranty

  • Warranty period: 3 years from the date of shipment by the manufacturer.
  • The warranty period and service life do not apply to the battery.
  • Compliance with the specified operating, transport, and storage conditions is a prerequisite for the manufacturer's guarantee.
  • The manufacturer reserves the right to modify the design and composition of the product without prior notice.
  • See Warranty Terms and Conditions for full terms, exclusions, and void conditions.

Cross-references to other documents.

Revision History

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