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


''Brief 1–2 paragraph introduction to the product per IEC/IEEE 82079-1.''
LIGO-PRO-BLE Fuel Level Sensor is produced and developed by SOJI Electronics JSC. The device is designed to measure the level of liquid fuel and other non-conductive liquids in vehicle tanks and stationary fuel storage, applicable in different fields. The measured values will be transmitted to an external device as an output signal such as Analog, Frequency, RS232, or RS485 to connect to an external device.


'''What to fill in:'''
The purpose of creating a new product was to satisfy the increasing demand of the transport telematics market for improved reliability of the design, data, and ease of installation. Unlike its predecessors, the new sensor is integrated with Bluetooth Low Energy (BLE) making installation more convenient, easier, and faster.
* 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]."
In addition, the new heavy-duty metal structure helps increase protection against electrostatic, electromagnetic and conducted interference. LIGO-PRO-BLE is also designed with IP69K waterproof standards and better shock and vibration resistance.


</div>
<!-- IMAGE NEEDED: Product photo (front of datasheet, page 1). Upload as: LIGO-PRO-BLE-product-photo.png -->
[[File:LIGO-PRO-BLE-product-photo.png|center|400px|thumb|LIGO-PRO-BLE Fuel Level Sensor]]


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


''Bullet list of top 5–7 differentiating features.''
* High accuracy up to 99.5%.
* Wide range input voltage: 6–40 V.
* Galvanic isolation up to 2500 V.
* Can be optionally cut off or prolonged up to 6000 mm.
* Wide operating temperature range from −40 °C to +85 °C.
* Built-in Anti-mud oil filter and anti-vibration springs.
* IP69K waterproof standard.
* Integrated BLE technology for configuration via smartphone (available on App Store and Google Play).


'''What to fill in:'''
== Applications ==
* 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>
* Trucks, excavators, heavy construction machines…
* Marine vessels and electric generators.
* Off-highway machinery including high-temperature & vibration environments.
* Industrial oil storage tanks or stationary storage tanks.


== Applications ==
== Product Variants / Ordering Information ==
<div class="dim">


''Typical use cases and industries the product serves.''
10 main items with specific quantities are described below:


'''What to fill in:''' bullet list of applications (4–6 items)
{| class="wikitable"
* Each bullet = 1 specific industry/use case
|-
* Common categories:
! No. !! Description !! Qty (pcs)
** Transportation/Fleet (trucks, buses, trailers)
|-
** Telecom (backup generators, base stations)
| 1 || LIGO Fuel Level Sensor. Standard lengths: 700, 1000, and 1500 mm (for other customized lengths, please contact the manufacturer) || 01
** Industrial (storage tanks, process monitoring)
|-
** Marine (bunker fuel, hydraulic systems)
| 2 || Oil filter || 01
** Mining (heavy equipment, refueling stations)
|-
| 3 || Gasoline-resistant rubber gasket || 01
|-
| 4 || Anti-vibration spring when moving || 01
|-
| 5 || 1A Fuse protection || 01
|-
| 6 || Self-drilling screw M4.8 × 32 mm || 04
|-
| 7 || Rivet and screw M5 × 20 mm || 04
|-
| 8 || Sealing wire || 02
|-
| 9 || 7 m signal wire || 01
|-
| 10 || Quick installation manual || 01
|}


</div>
== Technical Specifications ==


== Product Variants / Ordering Information ==
{| class="wikitable"
<div class="dim">
|-
! Parameter !! AF !! RS232 !! RS485
|-
| Standard length (L), mm || colspan="3" | 700, 1000, 1500 … up to 6000
|-
| Measuring error, % || colspan="3" | ± 0.5 %
|-
| Output signal || Analog (0–9 V) || RS232 || RS485
|-
| Baud rate, bit/sec || colspan="3" | 2400, 4800, 9600, 19200, 38400, 57600, 115200
|-
| Power supply (DC input voltage, V) || colspan="3" | 6–40 V
|-
| Supply protection (Over-voltage 100 VDC for 2 minutes, Reverse polarity) || colspan="3" | Yes
|-
| Maximum power consumption, mA || colspan="3" | 20
|-
| Waterproof standard (Ingress protection rating, IP) || colspan="3" | IP69K
|-
| Operating temperature, °C || colspan="3" | −40…+85
|-
| Maximum allowed humidity level, % || colspan="3" | 100
|-
| Resolution, bit || colspan="3" | 12
|-
| Digital reading range corresponding to the minimum level measurement value || Analog (0…8 V) || 0 || 0
|-
| Digital reading range corresponding to the maximum level measurement value || Analog (1…9 V) || 4095 || 4095
|-
| Average sampling period, s || colspan="3" | 0…255
|-
| Message interval, s || Continuous || 1…255 || 1…255
|-
| Absolute error in temperature measurement within the entire temperature measuring range, °С || colspan="3" | ± 1
|-
| Bluetooth specs || colspan="3" | Bluetooth 5.1, IEEE 802.15.4-2006, 2.4 GHz, −95 dBm sensitivity, +8 dBm TX Power
|-
| Average service life, years (expected) || 10 || 10 || 10
|}


''Table of all product SKUs available for ordering.''
=== Dimensions ===


'''What to fill in:''' table with columns:
<!-- IMAGE NEEDED: Figure 1 — LIGO-PRO-BLE's overall dimensions (cm). PDF page 4. Upload as: LIGO-PRO-BLE-dimensions.png -->
* '''Model''' — short product code (e.g., LIGO-AIR-STD)
[[File:LIGO-PRO-BLE-dimensions.png|center|600px|thumb|Figure 1. LIGO-PRO-BLE's overall dimensions (cm).]]
* '''Part Number''' — internal SKU (e.g., SKU-001)
* '''Description''' — variant differences (cable length, certification, etc.)
* '''Region''' — geographic availability (Global, EU/APAC, US only, etc.)


'''Common variants:''' Standard / Extended / Industrial-grade / ATEX-certified
=== Wiring Connection ===


</div>
'''AF (Analog & Frequency)'''


== Technical Specifications ==
<!-- IMAGE NEEDED: Figure 2 — Wiring diagram of Analog and Frequency output signals. PDF page 5. Upload as: LIGO-PRO-BLE-wiring-AF.png -->
<div class="dim">
[[File:LIGO-PRO-BLE-wiring-AF.png|center|500px|thumb|Figure 2. Wiring diagram of Analog and Frequency output signals.]]


''Detailed technical parameters of the product.''
'''RS232'''


'''What to fill in:''' specification table with columns Parameter / Value / Unit / Descriptions
<!-- IMAGE NEEDED: Figure 3 — Wiring diagram of RS232 output signals. PDF page 5. Upload as: LIGO-PRO-BLE-wiring-RS232.png -->
[[File:LIGO-PRO-BLE-wiring-RS232.png|center|500px|thumb|Figure 3. Wiring diagram of RS232 output signals.]]


'''Parameters to cover:'''
'''RS485'''
* '''Electrical''': Operating voltage, Operating current (avg/peak/sleep), Power consumption
* '''Performance''': Measurement range, Accuracy, Resolution, Response time, Sampling rate
* '''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.
<!-- IMAGE NEEDED: Figure 4 — Wiring diagram of RS485 output signals. PDF page 5. Upload as: LIGO-PRO-BLE-wiring-RS485.png -->
[[File:LIGO-PRO-BLE-wiring-RS485.png|center|500px|thumb|Figure 4. Wiring diagram of RS485 output signals.]]


</div>
=== Connector ===


== Compliance and Certifications ==
<!-- IMAGE NEEDED: Figure 5 — Details of connector pins. PDF page 6. Upload as: LIGO-PRO-BLE-connector.png -->
<div class="dim">
[[File:LIGO-PRO-BLE-connector.png|center|400px|thumb|Figure 5. The details of connector pins.]]


''Regulatory certifications and standards compliance.''
'''AF / RS232'''


'''What to fill in (sub-sections):'''
{| class="wikitable"
|-
! No. !! Description !! Color of the wire
|-
| 1 || GND || Black
|-
| 2 || NC (Not connected) || NC
|-
| 3 || VCC (6–40 V) || Red
|-
| 4 || TXD || Blue
|-
| 5 || Analog Output || White
|-
| 6 || RXD || Brown
|}


* '''Wireless / Radio''' — bullet list of certifications by region:
'''RS485'''
** CE RED (EU) — certificate number
** FCC Part 15 (US) — FCC ID
** IC (Canada) — IC number
** Bluetooth SIG QDID (if BLE)
** RoHS 3


* '''Environmental''' — standards compliance:
{| class="wikitable"
** RoHS 3 (Directive 2015/863/EU)
|-
** REACH (EC 1907/2006)
! No. !! Description !! Color of the wire
** WEEE (Directive 2012/19/EU)
|-
** IP rating per IEC 60529
| 1 || GND || Black
|-
| 2 || RS485 (B) || Green
|-
| 3 || VCC (6–40 V) || Red
|-
| 4 || TXD || Blue
|-
| 5 || RS485 (A) || Yellow
|-
| 6 || RXD || Brown
|}


* '''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):
''No certification or compliance information was provided in the source datasheet (LIGO-PRO-BLE Datasheet V1.0.1). Refer to [[Product Certification & Approvals]] for current certificate status.''
** ATEX / IECEx — for hazardous environments
** MID — Measuring Instruments Directive
** Automotive E-Mark — for vehicle applications
** Marine certification — DNV / ABS / Lloyd's Register


* '''Warranty''':
** Standard warranty period (years from shipment)
** Extended warranty options
** NOT covered items
** Void conditions
** Cross-reference to [[Warranty Terms and Conditions]]


</div>
<div class="noprint">
<div class="noprint">
== Related Documents ==
== Related Documents ==

Revision as of 10:27, 9 June 2026

Product Overview

LIGO-PRO-BLE Fuel Level Sensor is produced and developed by SOJI Electronics JSC. The device is designed to measure the level of liquid fuel and other non-conductive liquids in vehicle tanks and stationary fuel storage, applicable in different fields. The measured values will be transmitted to an external device as an output signal such as Analog, Frequency, RS232, or RS485 to connect to an external device.

The purpose of creating a new product was to satisfy the increasing demand of the transport telematics market for improved reliability of the design, data, and ease of installation. Unlike its predecessors, the new sensor is integrated with Bluetooth Low Energy (BLE) making installation more convenient, easier, and faster.

In addition, the new heavy-duty metal structure helps increase protection against electrostatic, electromagnetic and conducted interference. LIGO-PRO-BLE is also designed with IP69K waterproof standards and better shock and vibration resistance.

File:LIGO-PRO-BLE-product-photo.png
LIGO-PRO-BLE Fuel Level Sensor

Key Features

  • High accuracy up to 99.5%.
  • Wide range input voltage: 6–40 V.
  • Galvanic isolation up to 2500 V.
  • Can be optionally cut off or prolonged up to 6000 mm.
  • Wide operating temperature range from −40 °C to +85 °C.
  • Built-in Anti-mud oil filter and anti-vibration springs.
  • IP69K waterproof standard.
  • Integrated BLE technology for configuration via smartphone (available on App Store and Google Play).

Applications

  • Trucks, excavators, heavy construction machines…
  • Marine vessels and electric generators.
  • Off-highway machinery including high-temperature & vibration environments.
  • Industrial oil storage tanks or stationary storage tanks.

Product Variants / Ordering Information

10 main items with specific quantities are described below:

No. Description Qty (pcs)
1 LIGO Fuel Level Sensor. Standard lengths: 700, 1000, and 1500 mm (for other customized lengths, please contact the manufacturer) 01
2 Oil filter 01
3 Gasoline-resistant rubber gasket 01
4 Anti-vibration spring when moving 01
5 1A Fuse protection 01
6 Self-drilling screw M4.8 × 32 mm 04
7 Rivet and screw M5 × 20 mm 04
8 Sealing wire 02
9 7 m signal wire 01
10 Quick installation manual 01

Technical Specifications

Parameter AF RS232 RS485
Standard length (L), mm 700, 1000, 1500 … up to 6000
Measuring error, % ± 0.5 %
Output signal Analog (0–9 V) RS232 RS485
Baud rate, bit/sec 2400, 4800, 9600, 19200, 38400, 57600, 115200
Power supply (DC input voltage, V) 6–40 V
Supply protection (Over-voltage 100 VDC for 2 minutes, Reverse polarity) Yes
Maximum power consumption, mA 20
Waterproof standard (Ingress protection rating, IP) IP69K
Operating temperature, °C −40…+85
Maximum allowed humidity level, % 100
Resolution, bit 12
Digital reading range corresponding to the minimum level measurement value Analog (0…8 V) 0 0
Digital reading range corresponding to the maximum level measurement value Analog (1…9 V) 4095 4095
Average sampling period, s 0…255
Message interval, s Continuous 1…255 1…255
Absolute error in temperature measurement within the entire temperature measuring range, °С ± 1
Bluetooth specs Bluetooth 5.1, IEEE 802.15.4-2006, 2.4 GHz, −95 dBm sensitivity, +8 dBm TX Power
Average service life, years (expected) 10 10 10

Dimensions

Figure 1. LIGO-PRO-BLE's overall dimensions (cm).

Wiring Connection

AF (Analog & Frequency)

Figure 2. Wiring diagram of Analog and Frequency output signals.

RS232

Figure 3. Wiring diagram of RS232 output signals.

RS485

Figure 4. Wiring diagram of RS485 output signals.

Connector

Figure 5. The details of connector pins.

AF / RS232

No. Description Color of the wire
1 GND Black
2 NC (Not connected) NC
3 VCC (6–40 V) Red
4 TXD Blue
5 Analog Output White
6 RXD Brown

RS485

No. Description Color of the wire
1 GND Black
2 RS485 (B) Green
3 VCC (6–40 V) Red
4 TXD Blue
5 RS485 (A) Yellow
6 RXD Brown

Compliance and Certifications

No certification or compliance information was provided in the source datasheet (LIGO-PRO-BLE Datasheet V1.0.1). Refer to Product Certification & Approvals for current certificate status.


Cross-references to other documents.

Revision History

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