Datasheet

Switching, Sensing and Control Solutions
from GENTECH INTERNATIONAL LTD
Grangestone Industrial Estate, Girvan, Ayrshire KA26 9PS, United Kingdom
Telephone: [phone]. Fax: [phone]
Email: [e-mail]
Website: gentechinternational.com
LS SERIES
HORIZONTAL
LIQUID LEVEL
SENSORS
DESIGN
FEATURES
● High or low level sensing
● Normally open or
normally closed operation
by rotating through 180º
● In three material options:
Nylon 6.6, glass filled
polypropylene or PPS
● Externally fitted via
compression grommet or
1/2” NPT
● Internal fitted M12, M16
or 1/4” NPT
● LS4 and LS5 with UK
Water Research Council
approval for hot and cold
water
● Underwriters Laboratories
listed models File No.
E98428
● Sealing washers and
materials suitable for a
wide range of chemicals
● Reed switch reliability
● Temperature range
up to 130ºC
● Interface option
1. The above contact ratings are for resistive loads. For inductive, capacitive and tungsten filament lamp loads refer to the circuit protection notebook.
2. Available on 1/2” NPT only.
Environmental Specifications
Housing and Float Material (a) Operating Temperature Minimum Sg
LS3-Glass Filled Nylon 6.6 (b) -30º to +130ºC 0.85
LS4-WRC approved Glass Filled Polypropylene (c) -30º to +110ºC 0.65
LS5-WRC approved Glass Reinforced Polyphenylene -30º to +130ºC 0.70
LS7-Die Cast body Glass Filled Nylon 6.6 Float (b) -30º to +130ºC 0.85
LS8-Glass Filled Polypropylene (c) -30º to +110ºC
Sealing Washer/Compression Grommet
Silicone -54º to +150ºC
Nitrile -30º to +110ºC
EPDM -54º to +150ºC
a. Detailed chemical resistance information for specific liquids is available on request.
b. Higher temperature models available.
c. For boiling water applications the maximum operating temperature limits are:- Continuous boiling water 80ºC. Non continuous boiling water 100ºC.
Mechanical Specification
Mounting Operate Release Shock Vibration
Position Window Angle
±30º from Minmum 5º from Maximum 40ºfrom 50g for 11ms duration 35g up to 500Hz
horizontal mounting angle mounting angle (reed switch only) (reed switch only)
Electrical Connections
Switch options 01, 03 and 06 with Standard Cable are fitted with 2 x 18 AWG. 32/0.2mm stranded, with PVC insulation
approved to UL/CAS/BB6361. 07 and 08 with Standard Cable are fitted with 2 x 22 AWG, 16/0.2mm stranded, with PVC
insulation approved to UL/CAS/BS6361. 01, 03, and 06 with Double Insulated Cable are fitted with 16/0.2mm stranded,
with PVC insulation approved to UL/CAS/BS6500. 04 with Standard Cable is fitted with 3 x 24 AWG, 7/0.2mm stranded
with PVC insulation. 04 with Double Insulated Cable is fitted with 7/0.2mm stranded with PVC insulation.
Operational Characteristics (1)
Switch Option 01 03 04 06 07 08
Contact Configuration
SPST SPST SPDT SPST SPST SPST
Contact ratings Reed Reed Reed Reed Triac(2) Triac
Switch Switch Switch Switch
Maximum (resistive loads) Volts DC 100 100 100 100 AC only AC only
Volts AC 120 250 70 120 250 250
Amps 1.0 1.0 0.5 3.0 3.0 1.0
Watts 15 15 3 100
Minimum withstand
across open contacts Volts 300 800 200 400 600 400
Initial Contact resistance Ohms 0.25 0.25 0.25 0.75