LIGO AIR User Guide - Revision history

Admin: /* Technical specifications */

2026-06-26T01:55:19Z

Technical specifications

Admin: Update

2026-06-24T04:17:48Z

Update

← Older revision		Revision as of 04:17, 24 June 2026
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	== Specifications ==		== Specifications ==

	=== ~~'''~~Technical specifications~~'''~~ ===		=== Technical specifications ===

	{\| class="wikitable" style="text-align:center;"		{\| class="wikitable" style="text-align:center;"
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	\|}		\|}

	=== ~~'''~~Overview of sensor structure~~'''~~ ===		=== Overview of sensor structure ===

	<div style="text-align:center;">		<div style="text-align:center;">
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	== Configuration ==		== Configuration ==

	=== ~~'''~~Connecting sensor to smartphone and setting~~'''~~ ===		=== Connecting sensor to smartphone and setting ===

	To configure the LIGO AIR fuel sensor, download the '''LIGO BLE Configurator''' app on '''Appstore (for IOS) or CH Play (for Android devices).'''		To configure the LIGO AIR fuel sensor, download the '''LIGO BLE Configurator''' app on '''Appstore (for IOS) or CH Play (for Android devices).'''
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	Grant all the permissions request by program as above		Grant all the permissions request by program as above

	==== ~~'''~~Connecting sensor~~'''~~ ====		==== Connecting sensor ====

	Run the application and select the sensor you want to connect to, as shown in the pictures below:		Run the application and select the sensor you want to connect to, as shown in the pictures below:
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	</gallery>		</gallery>

	==== ~~'''~~Set Empty and Set Full~~'''~~ ====		==== Set Empty and Set Full ====

	Step 1: Set Full		Step 1: Set Full

Admin: /* Installation */

2026-06-24T04:16:40Z

Installation

← Older revision		Revision as of 04:16, 24 June 2026
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	== Installation ==		== Installation ==

	=== ~~'''~~Fuel tank preparation~~'''~~ ===		=== Fuel tank preparation ===

	# Empty the tank, clean and dry it if necessary, for gasoline fuel tanks, all fuel vapors must be removed from the tank to prevent fire or explosion during installation.		# Empty the tank, clean and dry it if necessary, for gasoline fuel tanks, all fuel vapors must be removed from the tank to prevent fire or explosion during installation.
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	* Mounting holes positions must ensure that the sensor is installed in the direction of maximum signal transmission (the directional arrow on the sensor cover should point toward the receiving device).		* Mounting holes positions must ensure that the sensor is installed in the direction of maximum signal transmission (the directional arrow on the sensor cover should point toward the receiving device).

	=== ~~'''~~Sensor preparation~~'''~~ ===		=== Sensor preparation ===

	1. Cutting sensor tube		1. Cutting sensor tube
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	</div>		</div>

	=== ~~'''~~Installing sensor on the fuel tank~~'''~~ ===		=== Installing sensor on the fuel tank ===

	# Apply gasket sealant to fuel tank, gasket and sensor flange (using Fuel resistant RTV Silicone gasket maker).		# Apply gasket sealant to fuel tank, gasket and sensor flange (using Fuel resistant RTV Silicone gasket maker).
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	'''Note:''' Ensure a minimum clearance of 150 mm between the top of the sensor and any overhead metal surface.		'''Note:''' Ensure a minimum clearance of 150 mm between the top of the sensor and any overhead metal surface.

	=== ~~'''~~Installing protective cap~~'''~~ ===		=== Installing protective cap ===

	The protective cap should be installed after the sensor installation and calibration processes are completed. This cap helps prevent unauthorized access and protects the sensor from environmental factors such as sunlight, physical impact…		The protective cap should be installed after the sensor installation and calibration processes are completed. This cap helps prevent unauthorized access and protects the sensor from environmental factors such as sunlight, physical impact…

Admin: /* Troubleshooting */

2026-06-23T09:50:18Z

Troubleshooting

← Older revision		Revision as of 09:50, 23 June 2026
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	== Troubleshooting ==		== Troubleshooting ==
	<div dim>		<div class="dim">
	{\| class="wikitable"		{\| class="wikitable"
	\|-		\|-

Admin: /* Troubleshooting */

2026-06-23T09:49:36Z

Troubleshooting

← Older revision		Revision as of 09:49, 23 June 2026
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	== Troubleshooting ==		== Troubleshooting ==
	<dim>		<div dim>
	{\| class="wikitable"		{\| class="wikitable"
	\|-		\|-
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	If the problem persists, contact [[#Support / Contact\|Support]].		If the problem persists, contact [[#Support / Contact\|Support]].
	</~~dim~~>		</div>

	== Maintenance ==		== Maintenance ==

Admin: /* Troubleshooting */

2026-06-23T09:49:19Z

Troubleshooting

← Older revision		Revision as of 09:49, 23 June 2026
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	== Troubleshooting ==		== Troubleshooting ==
			<dim>
	{\| class="wikitable"		{\| class="wikitable"
	\|-		\|-
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	If the problem persists, contact [[#Support / Contact\|Support]].		If the problem persists, contact [[#Support / Contact\|Support]].
			</dim>

	== Maintenance ==		== Maintenance ==

Admin: /* Troubleshooting */

2026-06-23T09:18:37Z

Troubleshooting

← Older revision		Revision as of 09:18, 23 June 2026
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	* Default password already changed by previous user		* Default password already changed by previous user
	\|		\|
	* Contact the previous installer ~~or factory-reset via support~~		* Contact the previous installer
	\|}		\|}

Admin: /* Installation */

2026-06-23T09:16:03Z

Installation

← Older revision		Revision as of 09:16, 23 June 2026
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	== Installation ==		== Installation ==

	==== '''Fuel tank preparation''' ====		=== '''Fuel tank preparation''' ===

	# Empty the tank, clean and dry it if necessary, for gasoline fuel tanks, all fuel vapors must be removed from the tank to prevent fire or explosion during installation.		# Empty the tank, clean and dry it if necessary, for gasoline fuel tanks, all fuel vapors must be removed from the tank to prevent fire or explosion during installation.
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	* Mounting holes positions must ensure that the sensor is installed in the direction of maximum signal transmission (the directional arrow on the sensor cover should point toward the receiving device).		* Mounting holes positions must ensure that the sensor is installed in the direction of maximum signal transmission (the directional arrow on the sensor cover should point toward the receiving device).

	==== '''Sensor preparation''' ====		=== '''Sensor preparation''' ===

	1. Cutting sensor tube		1. Cutting sensor tube

Admin: /* Troubleshooting */

2026-06-23T03:37:25Z

Troubleshooting

← Older revision		Revision as of 03:37, 23 June 2026
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	\| Sensor not discovered by LIGO BLE Configurator app		\| Sensor not discovered by LIGO BLE Configurator app
	\|		\|
			* App permissions not granted
	* Sensor outside Bluetooth range		* Sensor outside Bluetooth range
	* Metal obstruction blocking sensor head		* Metal obstruction blocking sensor head
	* Sensor battery depleted (end of service life)		* Sensor battery depleted (end of service life)
	* App permissions not granted
	\|		\|
			* Re-grant Bluetooth & location permissions
	* Move within range; verify line-of-sight		* Move within range; verify line-of-sight
	* Remove any metal plate above sensor		* Remove any metal plate above sensor
	* Verify sensor age vs ~10-year service life		* Verify sensor age vs ~10-year service life
	* Re-grant Bluetooth & location permissions
	\|-		\|-
	\| RSSI at receiver below −80 dBm		\| RSSI at receiver below −80 dBm

Admin: /* Maintenance */

2026-06-23T03:36:05Z

Maintenance

← Older revision		Revision as of 03:36, 23 June 2026
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	== Maintenance ==		== Maintenance ==

	~~=== Periodic Inspection ===~~

	~~{\| class="wikitable"~~
	\|-
	~~! Frequency !! Action~~
	\|-
	~~\| Monthly \|\| Visual inspection of sensor cover, cable entry, and protective cap for damage or tampering.~~
	\|-
	~~\| Quarterly \|\| Verify RSSI ≥ −80 dBm at receiver; check directional alignment.~~
	\|-
	~~\| Annually \|\| Verify calibration on the platform; confirm advertising protocol/interval settings.~~
	\|-
	~~\| ~10 years (end of service life) \|\| Replace sensor — Li-SOCl₂ primary battery is non-replaceable; expected service life is 10 years.~~
	\|}

	== Certification / Compliance ==		== Certification / Compliance ==

← Older revision		Revision as of 01:55, 26 June 2026
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	{\| class="wikitable" style="text-align:center;"		{\| class="wikitable" style="text-align:center;"
	\|-		\|-
	! Parameter !! LIGO AIR (LxS ~~and~~ LxT) !! LIGO AIR-PRO		! Parameter !! LIGO AIR LxS \|\| LIGO AIR LxT !! LIGO AIR-PRO
	\|-		\|-
	\| style="text-align:left;" \| Standard length (L), mm \|\| colspan="2" \| 700, 1000, 1500...up to 6000 mm		\| style="text-align:left;" \| Standard length (L), mm \|\| colspan="3" \| 700, 1000, 1500...up to 6000 mm
	\|-		\|-
	\| style="text-align:left;" \| Measuring error, % \|\| colspan="2" \| ± 0.5 %		\| style="text-align:left;" \| Measuring error, % \|\| colspan="3" \| ± 0.5 %
	\|-		\|-
	\| style="text-align:left;" \| Bluetooth specs \|\| colspan="2" \| Bluetooth 5.4, IEEE 802.15.4-2006, 2.4 GHz, -95 dBm sensitivity		\| style="text-align:left;" \| Bluetooth specs \|\| colspan="3" \| Bluetooth 5.4, IEEE 802.15.4-2006, 2.4 GHz, -95 dBm sensitivity
	\|-		\|-
	\| style="text-align:left;" \| TX power max \|\| 6 dBm \|\| 19.5 dBm		\| style="text-align:left;" \| TX power max \|\| 6 dBm \|\| 6 dBm \|\| 19.5 dBm
	\|-		\|-
	\| style="text-align:left;" \| Advertising Protocol \|\| colspan="2" \| - SOJI Protocol (default)<br>- Mielta Protocol (setting in mobile app)<br>- Escort Protocol (setting in mobile app)		\| style="text-align:left;" \| Advertising Protocol \|\| colspan="3" \| - SOJI Protocol (default)<br>- Mielta Protocol (setting in mobile app)<br>- Escort Protocol (setting in mobile app)
	- Technoton Protocol (setting in mobile app)		- Technoton Protocol (setting in mobile app)
	- EUROSEN Protocol (setting in mobile app)		- EUROSEN Protocol (setting in mobile app)
	\|-		\|-
	\| style="text-align:left;" \| Power supply: Built-in Battery Li-SOCL2 \|\| 3.6V * 2600mAh \|\| 3.6V * 3600mAh		\| style="text-align:left;" \| Power supply: Built-in Battery Li-SOCL2 \|\| 3.6V * 2600mAh \|\| 3.6V * 2600mAh \|\| 3.6V * 3600mAh
	\|-		\|-
	\| style="text-align:left;" \| Current consumption in working mode (uA) \|\| 9 \|\| 27		\| style="text-align:left;" \| Current consumption in working mode (uA) \|\| 9 \|\| 9 \|\| 27
	\|-		\|-
	\| style="text-align:left;" \| Measurement interval (second) \|\| colspan="2" \| From 5 to 10		\| style="text-align:left;" \| Measurement interval (second) \|\| colspan="3" \| From 5 to 10
	\|-		\|-
	\| style="text-align:left;" \| Advertising message interval (second) \|\| From 5 to 10 \|\| 10		\| style="text-align:left;" \| Advertising message interval (second) \|\| From 5 to 10 \|\| From 5 to 10 \|\| 10
	\|-		\|-
	\| style="text-align:left;" \| Waterproof standard (Ingress protection rating, IP) \|\| colspan="2" \| IP69K		\| style="text-align:left;" \| Waterproof standard (Ingress protection rating, IP) \|\| colspan="3" \| IP69K
	\|-		\|-
	\| style="text-align:left;" \| Operating temperature (°C) \|\| colspan="2" \| -40...+85		\| style="text-align:left;" \| Operating temperature (°C) \|\| colspan="3" \| -40...+85
	\|-		\|-
	\| style="text-align:left;" \| Resolution (bit) \|\| colspan="2" \| 12		\| style="text-align:left;" \| Resolution (bit) \|\| colspan="3" \| 12
	\|-		\|-
	\| style="text-align:left;" \| Accelerometer \|\| ~~LxS~~ N/A~~, LxT built~~-in		\| style="text-align:left;" \| Accelerometer \|\| N/A \|\| Built-in
	\|Built-in		\|Built-in
	\|-		\|-
	\| style="text-align:left;" \| Memory \|\| colspan="2" \| Built-in 32Mb EEPROM		\| style="text-align:left;" \| Memory \|\| colspan="3" \| Built-in 32Mb EEPROM
	\|-		\|-
	\| style="text-align:left;" \| Average sampling period, s \|\| colspan="2" \| 5 to 60		\| style="text-align:left;" \| Average sampling period, s \|\| colspan="3" \| 5 to 60
	\|-		\|-
	\| style="text-align:left;" \| Absolute error in temperature measurement within the entire temperature measuring range, °С \|\| colspan="2" \| ±2		\| style="text-align:left;" \| Absolute error in temperature measurement within the entire temperature measuring range, °С \|\| colspan="3" \| ±2
	\|-		\|-
	\| style="text-align:left;" \| Average service life, years (expected) \|\| colspan="2" \| 10 years		\| style="text-align:left;" \| Average service life, years (expected) \|\| colspan="3" \| 10 years
	\|-		\|-
	\| style="text-align:left;" \| Storage condition \|\| colspan="2" \| 15°C to 30°C, RH < 60%		\| style="text-align:left;" \| Storage condition \|\| colspan="3" \| 15°C to 30°C, RH < 60%
	\|}		\|}