SST Optomax Digital Optical Liquid Level Switch

SST Optomax Digital optical liquid level switch

The Optomax Digital optical liquid level switch from SST Sensing detects the presence or absence of liquid using an infrared LED and phototransistor in a prism tip – no moving parts, compact and highly reliable for water, oils and chemicals. ISE is an official SST Sensing distributor.

Technical specifications

Parameter Value
Supply voltage (Vs) 4.5 to 15.4 VDC, or 4.5 to 5.5 VDC (PWM output)
Supply current 2.5 mA max. (Vs = 15.4 VDC)
Output sink/source current 100 mA
Operating temperature Standard −25 to 80 °C; extended −40 to 125 °C
Storage temperature Standard −30 to 85 °C; extended −40 to 125 °C
Housing material Polysulfone or Trogamid
Termination 24 AWG, 250 mm PTFE wires, 8 mm tinned

Output values

Output Value
Output high Vout = Vs – 1.5 V max (Iout = 100 mA)
Output low Vout = 0 V + 0.5 V max
PWM duty cycle in air 25 % ±10 %
PWM duty cycle in liquid 75 % ±10 %
PWM frequency 2 kHz ±10 %

Wiring

Wire Designation
Red Vs
Green Output
Blue 0 V

Optomax Digital liquid level switch drawing 2

Optomax Digital liquid level switch drawing 3

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Where to buy SST optical level switches?

EQUIPMENT INDUSTRIAL SOLUTION CO., LTD (ISE) – Ho Chi Minh City, Vietnam – supplies genuine SST optical level switches with technical consulting, fast quotation and on-site commissioning support across Vietnam and Southeast Asia.

Contact us: Sales +84 909 617 185 – Technical +84 979 117 185 – Email: [email protected]

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