Liquid Level Indicators

Hydraulic level indicators, also known as fluid level indicators, are used for checking the fluid levels in tanks and other hydraulic systems. Level indicators and level gauges are fitted onto the system and usually feature a glass window to display the level of the fluid.

Types of hydraulic level indicator:

There is a wide range of liquid level indicators for different applications. Some offer a visual check, while others display more more information, such as a gauge or a thermometer to also show temperature levels. The main types include:

  • Column level indicators use a transparent column to display the fluid level using a scale. Column level indicators come in a variety of lengths depending on the scale they can measure. The scale length can vary, for example, from 30 mm to 200 mm. Your choice of scale length will depend on your chosen application.
  • Sight Glasses, also known as oil sight glasses, are transparent windows which are attached to a tank as a visual level indicator. Oil level sight glasses are a quick way to check oil levels, but do not feature a scale like a column indicator would. Sight glasses usually attach to the system using a threaded connection featuring a rubber seal. Some oil level indicators also feature a metal contrast screen and a level point for easy measuring.

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Description Prix Connection Thread Level Indicator Type Scale Length Sight Gauge Material Screws and Fittings Material Maximum Operating Temperature Minimum Operating Temperature Connection Thread Size Connection Thread Standard Seal Material
N° de stock RS 414-6481
Référence fabricant3723794
MarqueWIKA
12,70 €
Each
Unité
G 1/2 Temperature & Level Indicator - - - +120°C 0°C 1/2 in G -
N° de stock RS 283-3076
Référence fabricant13721
MarqueElesa
2,32 €
Each (In a Pack of 2)
Unité
G 3/4 Plug Level Indicator - - - +100°C - 3/4 in G Nitrile Rubber
N° de stock RS 331-9543
Référence fabricantFL69213
MarqueParker
21,59 €
Each
Unité
M12 Column Level Indicator 74mm PA (Lens & Base), Polystyrene (Shroud) Steel +90°C -30°C M12 Metric -
N° de stock RS 914-9561
Référence fabricant111001-NP
MarqueElesa
32,24 €
Each
Unité
M10 Column Level Indicator 42mm - Zinc Plated Steel +100°C -30°C 10 Metric -
N° de stock RS 914-9637
Référence fabricantGN.37552
MarqueElesa
16,48 €
Each
Unité
M26 Sight Glass - - - +100°C - M26 x 1.5 Metric Stainless Steel
N° de stock RS 914-9558
Référence fabricant111014
MarqueElesa
49,16 €
Each
Unité
M12 Column Level Indicator 71mm - Zinc Plated Steel +100 °C, +130°C -30°C 12 Metric -
N° de stock RS 914-9628
Référence fabricantGN.37551
MarqueElesa
17,37 €
Each
Unité
G 3/4 Sight Glass - - - +100°C - 3/4 in G Stainless Steel
N° de stock RS 914-9564
Référence fabricant111034
MarqueElesa
66,84 €
Each
Unité
M12 Column Level Indicator 198mm - Zinc Plated Steel +100 °C, +130°C -30°C 12 Metric -
N° de stock RS 914-9643
Référence fabricantGN.37555
MarqueElesa
26,84 €
Each
Unité
G 1-1/4 Sight Glass - - - +100°C - 1-1/4 in G Stainless Steel
N° de stock RS 914-9577
Référence fabricant111031-NP
MarqueElesa
45,71 €
Each
Unité
M12 Column Level Indicator 198mm - Zinc Plated Steel +100°C -30°C 12 Metric -
N° de stock RS 283-3111
Référence fabricant14483
MarqueElesa
4,53 €
Each (In a Pack of 2)
Unité
G 3/4 Plug Level Indicator - - - +140°C - 3/4 in G Elastomer
N° de stock RS 283-3048
Référence fabricant13671
MarqueElesa
1,565 €
Each (In a Pack of 2)
Unité
G 3/8 Plug Level Indicator - - - +100°C - 3/8 in G Nitrile Rubber
N° de stock RS 914-9624
Référence fabricantGN.37550
MarqueElesa
12,73 €
Each
Unité
M20 Sight Glass - - - +100°C - M20 x 1.5 Metric Stainless Steel
N° de stock RS 914-9618
Référence fabricantGN.37547
MarqueElesa
11,37 €
Each
Unité
G 3/8 Sight Glass - - - +100°C - 3/8 in G Stainless Steel
N° de stock RS 283-3004
Référence fabricant11343
MarqueElesa
38,47 €
Each
Unité
M10 Column Level Indicator 40mm PA Based Polymer Stainless Steel +80°C -15°C M10 Metric -
N° de stock RS 914-9545
Référence fabricant111005
MarqueElesa
59,02 €
Each
Unité
M10 Column Level Indicator 42mm - Stainless Steel +100 °C, +130°C -30°C 10 Metric -
N° de stock RS 283-3010
Référence fabricant11353
MarqueElesa
40,91 €
Each
Unité
M12 Column Level Indicator 80mm PA Based Polymer Stainless Steel +80°C -15°C M12 Metric -
N° de stock RS 914-9567
Référence fabricant111035
MarqueElesa
78,22 €
Each
Unité
M12 Column Level Indicator 198mm - Stainless Steel +100 °C, +130°C -30°C 12 Metric -
N° de stock RS 914-9457
Référence fabricant13652
MarqueElesa
2,13 €
Each
Unité
G 1/4 Sight Glass - - - +100°C - 1/4 in G -
N° de stock RS 914-9551
Référence fabricant111015
MarqueElesa
60,56 €
Each
Unité
M12 Column Level Indicator 71mm - Stainless Steel +100 °C, +130°C -30°C 12 Metric -