OLP Series Polysulphone optical liquid level switches FEATURES · Solid state technology, no moving parts · Miniature size, easy to install · Basic, TTL compatibleor transistor output versions · 10, 250 or 500 mA output current · Polysulphone housings · High media compatibility · Fast response, electrically robust WETTED MATERIALS Tip and housing: Polysulphone ELECTRICAL CONNECTION SPECIFICATIONS Maximum ratings Supply voltage OLP01... OLP25X... OLP25U... OLP50... Supply current OLP01..., OLP25... OLP50... Output current OLP01...* OLP25... OLP50... Operating temperature range OLP01..., OLP50... OLP25... 5...12 V 5...16 V 10...28 V 10...40 V Red +VS Green Output 15 mA 25 mA Blue GND 10 mA 250 mA 500 mA -25 to 80°C -40 to 125°C Pressure range OLP...F all others 20 bar 7 bar Protection class IP 67 Note: For basic sensor versions (OLP01B...) suitable resistors have to be selected. See details on page 3. * 10 mA sink current, source current depends on VS and RL September 2008 / 635 1/4 www.sensortechnics.com OLP Series Polysulphone optical liquid level switches 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 OUTLINE DRAWING M10 thread (Housing type OLP...F...) 4 18.70 16.70 Ø 12 M10 x 1.0 mass: 5 g M12 thread short (Housing type OLP...K...) Ø 10 +0.10 19.40 14.70 6.95 4 19 mass: 6 g dimensions in mm Ø 10.40 dimensions in mm M12 x 1.0 M12 thread long (Housing type OLP...L...) 29.70 14.70 6.95 4 19 mass: 10 g Ø 10.40 dimensions in mm M12 x 1.0 Note: All OLP... devices are supplied with lead wires. The wire lengths are 200 mm -0, +30 mm measured from the back of the polysulphone housing. September 2008 / 635 2/4 www.sensortechnics.com OLP Series Polysulphone optical liquid level switches ELECTRICAL CONNECTION (cont.) Basic Red R LED Blue +VS GND Green RP Output Note: Customer has to select suitable resistors for chosen supply voltage. Pull-up resistor RP could be e.g. 10 kΩ depending on desired output. Forward voltage of LED is 1.3 V and LED current should be 10 mA (depending on application liquid). RLED can be calculated as follows (e.g. for VS=12 V): RLED = ( VS − 1.3) V 12 − 1.3 = = 1070 Ω ≈ 1.1 kΩ 10 mA 0.01 TTL compatible (high in air) Red TTL compatible (low in air) +VS Red 4.7 Green Output Blue +VS Green Output GND Blue GND Push-Pull (current sinking and sourcing) Red +VS Green Output Blue September 2008 / 635 GND RL RL 3/4 www.sensortechnics.com OLP Series Polysulphone optical liquid level switches ORDERING INFORMATION Basic and TTL compatible output types Output Series Housing type Current Options OLP Type 01B : 10 mA basic* 0: Low i n ai r 01T: 10 mA TTL compatible 1: High in air F: M10 thread 3: 3 wire K: M12 thread short 4: 4 wire* * Low in air only Example: OLP 01T Termination Function * on request, MOQ may apply 0 F 3 Transistor output types Output Series Housing type Current Options OLP 25X : Type 250 mA Push-Pull Termination Function 0: Low i n ai r L: M12 thread long 3: 3 wire (VS= 5...16 V) 25U : 250 mA Push-Pull 1: High in air 4: 4 wire* (VS= 10...28 V) 50U : 500 mA Push-Pull * on request, MOQ may apply Example: OLP 50U 0 L 3 Accessories (please order separately): · Nuts, available in Plastic, Nickel Plated Brass or Stainless Steel · Washers, available in VAMAC (for high temperature) and Nitrile (for standard temperature) Note: Custom specific options are widely available! Please contact your nearest Sensortechnics sales office for further information. Sensortechnics reserves the right to make changes to any products herein. Sensortechnics 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. September 2008 / 635 4/4 www.sensortechnics.com