Detect leaks, protect pumps and prevent spills in hazardous areas with LEVELITE's miniature Fiber Optic Level Sensors for OEM systems.
 
General Specifications
 
AC: 120 or 240V (50/60 Hz), 1.4 VA
DC: 12 or 24V (-25% to +15%), 1.8 W
Accepts fiber optic probes
10 A, SPDT relays (1/3 hp @ 120 VAC)
1-60 second time delay adjustment
 
 
High or low level failsafe adjustment
LED alarm status indicator
Polycarbonate enclosure
For flammable materials, fiber optic controllers
  eliminate all voltage at the sensor
 
Fiber Optic Level Switch and Pump Controller, 2 Channel
Choose fiber optics to maintain maximum safety in hazardous areas
 Provides dual alarms
 Automatic pump up or pump down operation
 Accepts fiber optic probe input
  Description   Part Number
  120VAC  GLL102F1N
  240VAC  GLL102F2N
  12VDC  GLL102F3N
  24VDC  GLL102F4N
 
General Specifications
 
Operate with fiber optic controllers
1/2" NPT process and conduit connections
Repeatability: 0.5 mm
Includes acrylic fiber optic cable with
  connectors (length cannot be field modified)
A Popular Industry Choice for...
 
Hazardous areas
Ultrapure water and water treatment
Semiconductor and pharmaceutical manufacturing
Laboratory testing and chemical dispensing systems
Leak detection in electronic enclosures, dual
  containment piping, and diked areas
Beverages, chemicals, acids, caustics, water, epoxys,
  lubricants, glycols, vegetable oils, adhesives and
  solvents
 
Versatility is the key to LEVELITE's Fiber Optic Level Sensors. Ideal for controlling any transparent or translucent liquid.

 Compact sensors fit anywhere
 PFA Teflon® probe for all high purity and corrosive liquids
 Detects liquids regardless of conductivity, color or specific gravity
 Eliminates pump cavitation when installed upstream of the pump
 Automatic pump control and high or low alarms
 For flammable materials fiber optics eliminate all voltage at the sensor

PFA Teflon® Fiber Optic Probe
Prevent accidental ignition in hazardous areas because no energy is used at the probe.
 Use with the Two Channel controller, only
 Operating Temperature: -20°F to 200°F (-29°C to 94°C)
 Max Pressure: 100 psig (7kg/cm2)
  Description   Part Number
  6 Ft (1.82m) Fiber Cable  GLL110121
  10 Ft (3m) Fiber Cable  GLL110122
  15 Ft (4.5m) Fiber Cable  GLL110123
  25 Ft (7.6m) Fiber Cable  GLL110124
LEVELITE’s quartz tip fiber optic probes (designed for use with quartz tips) prevent accidental ignition in hazardous areas because no energy is used at the probe. The quartz tips are excellent for high pressure or high temperature applications, and also provide excellent corrosion resistance to many chemicals and solvents. The Teflon® light guide on the probe tip concentrates the light coming through the probe for greater signal strength. Order probe and quartz tip separately.
Quartz Tip Polypropylene Fiber Optic Probe
 Excellent for High Level
 1/2" NPT Process Connection
 Operating Temperature: -20°F to 150°F (-29°C to 65°C)
 Max Pressure: 100 psig (7kg/cm2)
  Description   Part Number
  6 Ft (1.82m) Fiber Cable  GLL110125
  10 Ft (3m) Fiber Cable  GLL110126
  15 Ft (4.5m) Fiber Cable  GLL110127
  25 Ft (7.6m) Fiber Cable  GLL110128
Quartz Tip 316 SS Fiber Optic Probe
 Excellent for High Level
 Operating Temperature: -20°F to 212°F (-29°C to 100°C)
 Max Pressure: 500 psig (35kg/cm2)
  Description   Part Number
  6 Ft (1.82m) Fiber Cable  GLL110129
  10 Ft (3m) Fiber Cable  GLL110130
  15 Ft (4.5m) Fiber Cable  GLL110131
  25 Ft (7.6m) Fiber Cable  GLL110132
Quartz Tips
 5/8" to 10" Insertion Length
 Rulon® Seal
 Teflon® Light Guide
 Viton® O-Ring

GLL numbers increase by 10 with every inch (25.4mm). No half sizes.
  Description   Part Number
  5/8” (15.88mm)  GLL111000
  1” (25.4mm)  GLL111010
  2" (50.8mm)  GLL111020
  3" (76.2mm)  GLL111030
  4" (101.6mm)  GLL111040
  5" (127mm)  GLL111050
  6" (152.4mm)  GLL111060
  7" (177.8mm)  GLL111070
  8" (203.2mm)  GLL111080
  9" (228.6mm)  GLL111090
  10" (254mm)  GLL111100

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