OLT Series Trogamid optical liquid level switches FEATURES · Solid state technology, no moving parts · Miniature size, easy to install · TTL compatible or transistor output versions · 100 mA or 1 A output current · Trogamid housings · High media compatibility · Fast response, electrically robust WETTED MATERIALS Tip and housing: Trogamid SPECIFICATIONS ELECTRICAL CONNECTION Maximum ratings Supply voltage OLT01..., OLT25X... OLT25U... 4.5...15.4 V 8...30 V Supply current OLT01..., OLT25X... OLT25U... 2.5 mA 7.5 mA Output current OLT01... OLT25... 100 mA 1A Operating temperature range OLT01... OLT25... Pressure range OLT...F all others -25...80°C -40...125°C +VS Green Output Blue GND 20 bar 7 bar Dielectric strength 4 kV Protection class IP 67 E / 11656 / F Red 1/4 www.first-sensor.com www.sensortechnics.com OLT Series Trogamid optical liquid level switches OUTPUT VOLTAGE Part no. Output voltage (Vout) Condition High Low OLT01... Vs= 4.5...15.4 V, Iout= 100 mA Vout= Vs-1.0 V max Vout= 0 V+0.5 V max OLT25X... Vs= 4.5...15.4 V, Iout= 1 A Vout= Vs-1.5 V max Vout= 0 V+0.5 V max OLT25U... Vs= 8...30 V, Iout= 1 A Vout= Vs-1.8 V max Vout= 0 V+0.7 V max PERFORMANCE CHARACTERISTICS Characteristics Min. Typ. Max. Repeatability ±1 Hysteresis (depending on liquid) 1 Response time rising liquid Response time falling liquid (ethanol) Unit mm 50 µs 1 s ELECTRICAL CONNECTION (cont.) TTL compatible Push-Pull (current sinking and sourcing) Red +VS Green Output Blue GND Red +VS Green Output Blue GND RL RL Note: All OLT... devices are supplied with lead wires. The wire lengths are 200 mm -0, +30 mm measured from the back of the housing. Wire diameters are 0.511 mm (AWG 24) for all OLT01... devices and 0.812 mm (AWG 20) for all OLT25... devices. E / 11656 / F 2/4 www.first-sensor.com www.sensortechnics.com OLT Series Trogamid optical liquid level switches OUTLINE DRAWING M10 thread (Housing type OLT...F...) 4 18.70 16.70 Ø 12 Ø 10 +0.10 M10 x 1.0 mass: 5 g M12 thread short (Housing type OLT...K...) dimensions in mm 19.40 14.70 6.95 4 19 Ø 10.40 M12 x 1.0 mass: 6 g M12 thread long (Housing type OLT...L...) dimensions in mm 29.70 14.70 6.95 4 19 mass: 10 g Ø 10.40 M12 x 1.0 dimensions in mm Note: Do not mount the sensor with prism pointing downwards. The prism should be at least 10 mm away from any infrared-reflecting surface. E / 11656 / F 3/4 www.first-sensor.com www.sensortechnics.com OLT Series Trogamid optical liquid level switches ORDERING INFORMATION TTL compatible output devices Output Series Options OLT Example: Current 01T OLT Type 100 mA TTL compatible 01T Housing type Function 0 Low i n ai r F M10 thread 1 High in air K M12 thread short 0 F Termination 3 3 wire 3 Transistor output devices Output Series Options OLT Current 25X 1A Type Function Push-Pull 0 Low i n ai r Housing type Termination L M12 thread long 3 3 wire L 3 (VS= 4.5...15.4 V) 25U 1A Push-Pull 1 High in air (VS= 8...30 V) Example: OLT 25U 0 Accessories (please order separately using the following order numbers) Order No. F I X I N Description G N U T Use w ith S ZA000910 M12 x 1, nickel plated brass ZA000911 M12 x 1, stainless steel (303, clear passivated) ZA000912 M10 x 1, plastic OLT...F... M12 x 1, VAMAC OLT25...L... (high tem perature devices) W A S ZA000913 H E R OLT...K..., OLT...L... S ZA000914 M12 x 1, nitrile OLT01...K... (standard tem perature devices) ZA000915 9.5 x 1, silicone O-ring, shore ~60 OLT01...F... First Sensor reserves the right to make changes to any products herein. First Sensor does not assume any liability arising out of the application or use of any product or circuit described herein, neither does it convey any license under its patent rights nor the rights of others. E / 11656 / F 4/4 www.first-sensor.com www.sensortechnics.com