SUMMARY

The Gill liquid level sensor is a lightweight, solid-state capacitive liquid level sensor available in an almost unlimited combination of length and mounting arrangements, all delivered in short lead times. It is compatible with a wide range of liquids and is able to operate in high temperatures.

The sensor is a form fit and function replacement for the R-Series sensors as well as bringing the flexibility to be adapted to a broad range of mechanical mounting configurations. Standard stock adaptors are available for 1, 2, 3 & 5 bolt mounting as well as metric and imperial male thread designs.

Lightweight, adaptable liquid level measurement.

• Compatible with fuels, oil, and coolants.
• Multiple standard and custom mounting options.
• Aluminium construction with side or top cable exits.
• -40°C to +125°C temperature range.
• Tank volume output.
• Temperature output option.
• High or low switch output option.

OUTPUT

Primary output standard range	0.25 – 4.75V Range is Datum A to Datum B (see drawing overleaf)
Primary output maximum range	0.25 – 10V (configurable through user software.
Primary output accuracy	±1% @ 50% FSD (full scale deflection) 20°C
Primary volumetric output	Configurable through user software. Tank profiling Wizard or CSV file upload
Secondary output (option N)	Open collector output 50V / 1a max switch to ground (V-)
Secondary output hysteresis (option N)	Configurable through user software.
Secondary output (option Y)	0.25 – 4.75V. (0.25V = -40°C, 4.75V = +125°C) (not configurable through GSlevel)
Secondary output accuracy (option Y)	+/-1.5°C between 0°C and +125°C
	+/-2.0°C between -40°C and 0°C

ELECTRICAL

Supply voltage	5-32VDC
Supply current	<20mA
Interface	Compatible with RS232
Resolution	10 bit (1024 points over measurement range)
Sample rate	100Hz

WIRING

Cable	Flying lead, 1000mm
Number of cores	6 with drain wire
Wire size	26AWG 7/0.15
Sleeving	XLPE

ENVIRONMENTAL

Ingress Protection	IP68
Shock tested to	BS EN 60068-2-27 (half-sine pulse 25g, 6ms 1000 shocks (positive and negative) in each 3 axis)
Vibration tested to	Resonant frequency search 5 to 2500Hz @ 0.5g peak
Pressure	10 bar (absolute and differential)
Drop	1m (in packaging) on all 3 sides
Thermal shock	to BS EN 60068-2-14, test Na
Dry heat	to BS EN 60068-2-2, test Bb
Cold	to BS EN 60068-2-1, test Ab
Damp heat	to BS EN 60068-2-30, test Db
EMC immunity	BS EN 60945, BS EN 61326 and BS EN 61000-6-1/2/3/4

MECHANICAL

Lengths available	100-750mm in 1mm steps
Mounting options	1 hole, 2 hole, 3 hole, 5 hole and M22x1.5 threaded
Sealing options	Panel gasket or o-ring
Cable exit options	Top or Side
Weight	36.5 g (100mm probe with 1000mm cable
	+0.34g per additional mm (probe)

LIQUIDS

Fuels	Diesel, Gasoline, Biofuels
Oils	Hydraulic, Gear, Motor, Vegetable, Synthetic Ester, Polyalphaolefin, Polyglycol
Coolants	Ethylene Glycol, Water
Other	Salt water

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