The POS Glass Tip range of liquid level switches are robust and rugged, ideal for operation in harsh industrial environments, aggressive chemicals and extreme temperatures up to 140°C.
The POS Glass Tip sensor is solid state, combining an infra-red LED and phototransistor which are optically coupled by the tip when the sensor is in air. When the sensing tip is immersed in liquid, the infra-red light escapes making the output change state. The sensor can detect the presence or absence of almost any liquid type, oil or water based.
Options of N and P type outputs can sink or source up to 200mA at a supply voltage range from 12 to 28Vdc and can be configured to be a high or low signal in either a wet or dry state. The sensor is available with a M12 connector or 3 core cable and also has LED output indication.
The stainless steel body combined with a crystal glass sensing tip allows the POS Glass Tip range of liquid level switches to operate under high pressure conditions up to 80 bar and across two temperature ranges; Standard (-40 to 100°C) or Extended (-40 to 140ºC).
TECHNICAL SPECIFICATIONS
Supply Voltage (Vs) 12VDC to 30VDC
Supply Current (ls) 25mA max.
Output Sink and Source Current (lout) 200mA max.
Operating Temperatures POS187: -25°C to +100°C
POS287: -25°C to +140°C
Storage Temperatures -25°C to +80°C
Housing Material Stainless Steel with Simax crystal glass tip
Sensor Termination M12 Brad Harrison connector or PUR 3×0.25mm2, 2m cable
OUTPUT VALUES
Output Voltage V(out): lout = 200mA
Vs = 12 – 30VDC
Output High Vout = Vs – 1.5V max
Output Low Vout = 0V + 0.5V max
The POS Glass Tip range of liquid level switches are robust and rugged, ideal for operation in harsh industrial environments, aggressive chemicals and extreme temperatures up to 140°C.
The POS Glass Tip sensor is solid state, combining an infra-red LED and phototransistor which are optically coupled by the tip when the sensor is in air. When the sensing tip is immersed in liquid, the infra-red light escapes making the output change state. The sensor can detect the presence or absence of almost any liquid type, oil or water based.
Options of N and P type outputs can sink or source up to 200mA at a supply voltage range from 12 to 28Vdc and can be configured to be a high or low signal in either a wet or dry state. The sensor is available with a M12 connector or 3 core cable and also has LED output indication.
The stainless steel body combined with a crystal glass sensing tip allows the POS Glass Tip range of liquid level switches to operate under high pressure conditions up to 80 bar and across two temperature ranges; Standard (-40 to 100°C) or Extended (-40 to 140ºC).
TECHNICAL SPECIFICATIONS
Supply Voltage (Vs) 12VDC to 30VDC
Supply Current (ls) 25mA max.
Output Sink and Source Current (lout) 200mA max.
Operating Temperatures POS187: -25°C to +100°C
POS287: -25°C to +140°C
Storage Temperatures -25°C to +80°C
Housing Material Stainless Steel with Simax crystal glass tip
Sensor Termination M12 Brad Harrison connector or PUR 3×0.25mm2, 2m cable
OUTPUT VALUES
Output Voltage V(out): lout = 200mA
Vs = 12 – 30VDC
Output High Vout = Vs – 1.5V max
Output Low Vout = 0V + 0.5V max
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