- Provides point level detection of liquid using
reliable microswitch design
- Does not require power
- Material: 316 SS (316L SS option)
- Process temperature: -40 to 100 °C (-40 to 212 °F)
- Electrical contact: SPDT (1C)
- Max pressure: 497.8 PSI / 35 kg/cm2 / 14.7 BAR
- 10” to 24” (250 to 610 mm) float to thread options
- Supports Normally Open and Normally Closed
- NEMA 4X, IP66
- Zone 0 / Explosion-Proof / Flameproof
Microswitch Reliability / Low Maintenance
The Float Type Level Switch by OleumTech is part of the H Series line of high quality instruments delivering unrivaled performance, reliability, and accuracy in the most demanding environments, including hazardous locations.
The ﬂoat-based level switch is designed to be mounted on the side of a liquid storage tank and is used for detecting either overﬂow (high) or dry run (low) detection for alarm, monitoring, and control applications.
The HLSFF provides a relay switch output (SPDT) and can operate in either Normally Open (NO) or Normally Closed (NC) mode.
Durable 316 SS Construction / Explosion-Proof
The H Series HLSFF Float Type Level Switch is certiﬁed for use in Zone 0 hazardous locations and is Explosion-Proof / Flameproof.
The HLSFF is a simple apparatus and does not require power to operate. It provides a single actuation point and can be ordered with a custom stem/arm length with a variety of process connection ﬁtting options. Its housing is made of 316 stainless steel while the level switch can be ordered with the 316 or 316L option.
|Device Functionality||∙ Point Level Detection Switch using Float-based Microswitch Technology|
|Dimensions (Head)||∙ 2.76" (W) x 2.76" (H) x 3.15" (D) / 70 mm (W) x 70 mm (H) x 80 mm (D)|
|Float to Thread Length||∙ 10" to 24" (250 mm to 610 mm) in 1" Increments|
|Specific Gravity (SG)||∙ >0.65|
|Package Dimensions (UF10)||∙ 17" (W) x 4.75" (H) x 4.75" (D) / 432 mm (W) x 121 mm (H) x 121 mm (D)|
|Package Weight (UF10)||∙ 4.5 lbs (2.0 kg)|
|Ports||∙ One 1/2" NPT|
|Connection Fitting (Standard)||∙ 2" NPT|
|Connection Fitting Options||∙ NPT, BSP, PF, 150 lbs, 300 lbs|
|Enclosure Casing Material||∙ Type 4X 316 Stainless Steel; IP66|
|Switch Material||∙ Stainless Steel 316 or 316L Option|
|Operating Pressure||∙ 497.8 PSI / 35 kg/cm2 (34.3 BAR)|
|Signal Output||∙ SPDT Micro Switch (Omron VX-5-1A2), 3 A / 250 Vac / 30 Vdc|
|Output Types||∙ Normally Open and Normally Closed|
|CERTIFICATION & COMPLIANCE|
|Safety||∙ Explosion-Proof/Flameproof for Use in Hazardous Environments|
|∙ IECEx TUR 19.0035|
|∙ Ex db IIB T5 Gb, Ex tb IIIC T100 °C Db|
|Operating Conditions||∙ Process Temperature: -40 to 100 °C (-40 to 212 °F)|
|∙ Ambient Temperature: -40 to 70 °C (-40 to 158 °F)|
|∙ Humidity: 0 to 99 %, Non-Condensing|
|Warranty||∙ 2-Year Parts and Labor|
|Model Numbers Series||∙ HLSFF|