Switching, Sensing and Control Solutions from GENTECH INTERNATIONAL LTD Grangestone Industrial Estate, Girvan, Ayrshire KA26 9PS, United Kingdom Telephone: +44 (0) 1465-713581. Fax: +44 (0) 1465 714974 Email: [email protected] Website: gentech-international.co.uk VS SERIES DESIGN FEATURES ● High or low level sensing ● Normally open or normally closed operation by float reversal ● Glass filled polypropylene or Nylon 6.6 material ● External fit option with compression grommet ● Internal fit option ● UL Underwriters Laboratories listed File No. E98428 ● Sealing washers and materials suitable for a wide range of chemicals ● Reed switch reliability ● Temperature range up to 130°C ● Minimum SG 0.70 ● VS4 with UK Water Research Council approval for hot and cold water ● Top or bottom tank entry VERTICAL LIQUID LEVEL SENSORS Operational Characteristics Switch Option 01 03 04 06 08 SPST Reed Switch SPST Reed Switch SPDT Reed Switch SPST Reed Switch SPST Triac Volts DC 100 100 100 100 AC only Volts AC Amps Watts 120 1.0 15 250 1.0 15 70 0.5 3 120 3.0 100 250 1.0 Volts Ohms 300 0.25 800 0.25 200 0.25 400 0.75 400 Contact Configuration Contact ratings Maximum (resistive loads) Minimum withstand across open contacts Initial contact resistance The above contact ratings are for resistive loads. For inductive, capacitive and tungsten filament lamp loads refer to the circuit protection notebook. Available on 1/2” NPT only. Environmental Specifications Housing and Float Material VS3 - Nylon 6.6 VS4 - WRC approved Glass Filled Polypropylene VS8 - Glass Filled Polypropylene Operating Temperature Minimum Sg -30º to +130ºC -30º to +110ºC -30º to +110ºC 0.85 0.70 0.70 Sealing Washer/Compression Grommet Silicone Nitrile EPDM -54º to +150ºC -30º to +110ºC -54º to +150ºC Detailed chemical resistance information for specific liquids is available on request. For boiling water applications the maximum operating temperature limits are:- Continuous boiling water 80ºC. Non continuous boiling water 100ºC. Mechanical Specification Mounting Position Top or bottom tank entry travel ±15º vertical Operate Window Shock Vibration within 5mm (0.196”) from float stop 50g for 11ms duration 35g up to 500Hz (reed switch only) (reed switch only) Electrical Connections Fitted with 2 x 0.5 metres of 18 AWG, 32/0.2mm stranded, with PVC insulation approved to UL/CAS/BS6361. UL 1015 22AWG Cable x 0.5 Metre Lengths External Fitting 23.0 Dia (0.9) Hole in Container Thread M16 x 2 Pitch Nylon Lock Nut A/F Container Wall 4.0 Max (0.15) 12.7 Nom (0.5) Friction Relief Washer Grommet 86.6 Max (3.41) 55.8 Max (2.19) Float Travel Float Float Stop 22.2 Dia Max (0.87) Internal Fitting UL 1015 22AWG Cable x 0.5 Metre Lengths 16.5 Dia (0.65) Hole in Container Thread M16 x 2 Pitch Nylon Lock Nut 24 A/F Container Wall 10.0 Max (0.39) 12.7 Nom (0.5) Lock Washer Container Wall Sealing Washer Installation Please contact Sales at Gentech for installation instructions (Ref. ????????????????) Applications Please contact Sales at Gentech for applications relating to this product group. Float Travel 86.6 Max (3.41) 55.8 Max (2.19) Float Float Stop 22.2 Dia Max (0.87) GENTECH INTERNATIONAL LTD Grangestone Industrial Estate, Girvan, Ayrshire KA26 9PS, United Kingdom Telephone: +44 (0) 1465-713581. Fax: +44 (0) 1465 714974 Email: [email protected] Website: gentech-international.co.uk Data Sheet Ref. VS-RS-DS-7000-R1