Spirit Levels & Inclinometers

Spirit levels also known as bubble levels are invaluable for precision levelling measurement in a multitude of jobs, from something as simple as putting a shelf up to checking how level bricks are in a new wall. This hand held tool is easy to use and a simple way to maintain accuracy on the job. Spirit levels use a liquid filled vial with an air bubble inside. Guides on the vial indicate when the bubble is centred showing the user that it is level. Digital spirit levels also feature a digital readout for extra accuracy and assurance. For best results try to use the longest level that fits on the surface that is being checked on either the horizontal or vertical (plumb) planes.


An inclinometer sometimes known as clinometer is used for measuring the angles of slope or elevation, similar to a spirit level they can use various methods to measure and can be both analogue and digital read outs. Most commonly featuring a gravity-based pendulum others can use a spirit vial. Modern electronic inclinometers can be more precise with the digital measuring systems utilising gyroscopes and are becoming more popular than the classic spirit level due to higher requirements of precision, resolution, reliability, data storage and documenting.


RS Components offer a wide selection including block, box section, bulls eye, straight and torpedo levels.


Characteristics to consider can include:


    Accuracy – shown as a plus (+) or minus (-)

    Bubble size – larger is better for viewing and should always be inside the marked lines. The bubble size is related to which liquid is used, (expands when hot and contacts when cold thus affecting the size).

    Colour – the liquid is coloured to make the bubble easier to see, this colour can fade over time and exposure to the sun

    Lines on the tube or vial – these reading lines should be clear

    Construction – the vial is delicate so care is needed, ideally the ends should be rubber and be sturdy and robust. Aluminium levels are ideal for building sites. Hand holds are also useful.

    Other useful features include a V-groove in the surface which can fit against pipes, or magnets (magnetic base) these magnetic spirit levels allows them to be used ’hands free', convenient for steelwork.

Who uses spirit levels and inclinometers?


    Carpenters

    Stonemasons

    Bricklayers

    Surveyors

Why so some spirit levels have two bubbles?


A dual-vial system means that the two vials on the level work on whether it is lying on either its top or bottom edges.


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Description Price Level Type Length Frame Material Number of Vials Accuracy Waterproof Magnetic Pocket Level Milled Surface Dimensions User Calibrated Height Model Number p Width
RS Stock No. 724-3737
Mfr. Part No.0-43-609
BrandStanley
TWD954.00
Each
units
Torpedo 250mm Aluminium 3 ±0.5 mm/m Yes Yes - - - - - 0-43-609 -
RS Stock No. 776-9800
Mfr. Part No.XTHT1-42134
BrandStanley
TWD2,082.00
Each
units
I-Beam 1.2m Aluminium 3 ±0.5 mm/m, 1 mm/m - - - - - - - - -
RS Stock No. 776-9826
Mfr. Part No.0-43-648
BrandStanley
TWD2,514.00
Each
units
Box Section 1219mm - 3 0.5 mm/m - - - - - - - - -
RS Stock No. 776-9822
Mfr. Part No.1-43-555
BrandStanley
TWD1,121.00
Each
units
I-Beam 1.2m Aluminium 3 0.5 mm/m - - - - - - - - -
RS Stock No. 144-6657
Mfr. Part No.601076600
BrandBosch
TWD7,073.00
Each
units
- 447mm - - - - - - - 447 x 52 x 60mm - 60mm GAM 220 MF 52mm
New
RS Stock No. 200-6116
Mfr. Part No.G-NSDOG2-001
TWD5,334.00
Each
units
- - - - - - - - - - - - - -
RS Stock No. 667-3913
BrandRS PRO
TWD151.00
Each
units
Bulls Eye 25mm - 1 ±2 mm/m - - - - 21.5 (Dia.) x 10mm - 10mm - -
RS Stock No. 432-536
Mfr. Part No.DZ800
BrandStarrett
TWD179.00
Each
units
Bulls Eye 42mm - 1 - Yes - - - - - - DZ800 -
RS Stock No. 188-3909
Mfr. Part No.307BM.25
BrandFacom
TWD1,990.00
Each
units
- 250mm - 2 0.75 mm/m - Yes - - 250 x 22 x 45mm - 45mm 307BM 22mm
RS Stock No. 123-0934
BrandRS PRO
TWD9,298.00
Each
units
Precision Frame 200mm - 1 0.02 mm/m - - - - 200 x 40 x 200mm Yes 200mm - 40mm
RS Stock No. 642-1992
Mfr. Part No.Z-340
BrandHozan
TWD566.00
Each
units
Block 75mm - 2 ±2.5 mm/m - - - - - - - Z-340 -
RS Stock No. 163-5167
Mfr. Part No.081.251A
BrandLaserliner
TWD2,548.00
Each
units
Bulls Eye 600mm - 2 ±1 mm/m - Yes - Yes 600 x 66 x 30mm Yes 30mm DigiLevel Plus 60 cm 66mm
RS Stock No. 724-3822
Mfr. Part No.014102RS
BrandSola
TWD365.00
Each
units
Torpedo 250mm Plastic 2 ±1 mm/m Yes - - - - - - 014102RS -
RS Stock No. 176-5569
BrandRS PRO
TWD96.00
Each
units
- - - - - - - - - 43 Dia. x 11.5mm - 11.5mm - -
RS Stock No. 177-9344
BrandRS PRO
TWD282.00
Each
units
Bulls Eye 100mm - 1 - Yes - - - 100 x 100 x 16.5mm - 16.5mm - -
RS Stock No. 851-3539
BrandRS PRO
TWD83.00
Each
units
Cross Test Level 60mm - 2 - - - Yes - 60 x 13.5 x 45mm - 13.5mm - 45mm
RS Stock No. 263-9329
BrandRS PRO
TWD8,995.00
Each
units
- 24in - 2 0.5 mm/m - - - - - Yes - - -
RS Stock No. 851-3545
BrandRS PRO
TWD835.00
Each
units
Straight 400mm Aluminium 2 ±0.5 mm/m - - No - 400 x 23 x 49mm - 49mm - 23mm
RS Stock No. 724-3800
Mfr. Part No.PV-060
BrandSola
TWD1,671.00
Each
units
Box Section 600mm Aluminium 3 ±0.5 mm/m - - - Yes - - - L1-060-RS -
RS Stock No. 668-3282
Mfr. Part No.17463
BrandStabila
TWD1,001.00
1 Bag of 10
Bag(s)
- 35mm - - - - - - - 35 x 14 x 22mm - 14 mm, 22mm 17463 -