Aluminium Oil Level Indicators
A cast hex-body oil level indicator with a clear sight window and a red float dot, giving a single-glance visual check of reservoir level on gearboxes and machinery housings. No dipstick and no shutdown required.

Standard Sight Glass
Hex-body indicator with a five-window sight glass and red centre float, gasket-sealed against leaks at the mounting face and around the window.
Application
Direct visual monitoring of oil levels in gearboxes and machinery housings, reducing the need for dipstick checks and unplanned downtime from undetected low-oil conditions.
Thread Standards
Available in this range
| Standard | Sizes |
|---|---|
| Metric (DIN 71412) | M12, M16, M20, M22 |
| BSP (BS 1486) | 3/8", 1/2", 3/4" |
Materials
- Aluminium (body)
- Toughened Glass / Polycarbonate (sight window)
Finishes
- Natural Aluminium
- Anodised
Specification
Performance data
- Working Pressure
- Low-pressure reservoir mounting
- Temperature Range
- -20°C to +110°C
- Sealing / Type
- Gasket-sealed, leak-proof
Precision, in Practice
The O-ring seal at the window and mounting face is fitted to hold under sustained oil contact and temperature cycling. A leaking indicator is worse than no indicator at all.
Where It's Used
Industries & Applications
Gearboxes
Direct-mount level monitoring on industrial gearboxes without needing to stop and dipstick-check.
Industrial Machinery
Reservoir and sump level checks on production equipment during routine walkarounds.
Marine
Engine and gearbox oil level monitoring in marine drivetrains, specified with corrosion-resistant sealing.
Ordering Information
Placing a first order
MOQ
250 units per SKU
Standard Pack
25 pcs polybag / 250 pcs carton
Lead Time
21 working days from confirmed PO


