APG OPL datasheet

APG

C US

Rev. 7.05

Automation Products Group, Inc.

®

OPL

Optical Liquid Level Sensors

OPL Optical Liquid Level Sensors

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Operational Description

e OPL series utilizes the optical
principles of a prism to detect the
presence or absence of a liquid
as compared with air. e sensor
contains a small infrared LED and
a phototransistor light receiver.
Light from the LED is directed into
the prism at the tip of the sensor.
When the container is empty, light
from the LED is reflected within
the prism back to the receiver. As
the liquid rises to cover the sensor,
light is refracted out into the liquid
and is not returned to the receiver.
e change in state is detected and
results in an output signal.

e OPL is designed to meet
standards set by major food and
health agencies around the world. It
conforms to the Japan Ministry of
Health and Welfare and to the FDA
standards in the USA.

UL approved components are
used in construction of the sensor.

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Automation Products Group, Inc.

1025 West 1700 North Tel. [phone]
Logan, UT 84321 USA Fax [phone]

Very small OEM type optical level
sensors

Standard rubber grommet fitting
for commercial applications

Estel sensor material suitable for
pure water and most oils

Polysulphone sensor material
option for acids and alkalines or
high temperatures

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DC powered at 5 VDC, other
voltages are available on request

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PNP transistor output

ReceiverTransmitter

Sensor in Air

1

ReceiverTransmitter

Sensor in Liquid

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s a l e s @ a p g s e n s o r s . c o m

APG

Automation Products Group, Inc.

®

OPL Optical Liquid Level Sensors

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Applications

e OPL series of sensors are
designed for low cost liquid level
monitoring and leak detection.
Typical industries served are:
semiconductor, clean water,
pharmaceutical, automotive OEM,
machine tool, home appliances such
as oil fitted heaters, and electrical

suspended solids to coat sensor and
block optical beam). Typical liquids
sensed are: petroleum and vegetable
oils (diesel, kerosene, gasoline,
hydraulic, lubricant, transmission
fluid), alcohols (ethyl, methyl),
ethylene glycol (antifreeze) and pure
water (DI or distilled water).

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Options

Polysulphone sensor body will
allow for use in caustic liquids
such as acids and alkalines. Check
chemical compatibility tables at the
APG website or other sources for
specific compatibility.

equipment such as liquid insulated
transformers and capacitors.

e optical principle employed

is suitable for pure liquids (no

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Specications

OPL-003 OPL-004 OPL-006

PERFORMANCE

Function: Switch on low level Switch on high level Switch on low level
Sensor Output: PNP open collector; PNP open collector; PNP open collector;

18 mA max. 18 mA max. 18 mA max.
500 mA PNP 500 mA PNP 500 mA PNP

Approvals: UL approved components UL approved components UL approved components

ELECTRICAL

Supply Voltage: 5 VDC (±0.5 VDC) 5 VDC (±0.5 VDC) 5 VDC (±0.5 VDC)

10-30 VDC on request 10-30 VDC on request 10-30 VDC on request
Wiring: #26 AWG, 3 cond. #26 AWG, 3 cond. #26 AWG, 3 cond.
Connectors available Connectors available Connectors available

PHYSICAL

Material: Estel sensor (standard) Estel sensor (standard) Polysulphone (standard)
Potting Compound: Epoxy Epoxy Silicone
Dimensions: 0.45 x 1.83 in. standard 0.45 x 1.48 in. standard 0.45 x 1.48 in. standard

(11.5 dia. x 46.5 mm) (11.5 dia. x 37.5 mm) (11.5 dia. x 37.5 mm)

Rating: NEMA 6P/IP67 NEMA 6P/IP67 NEMA 6P/IP67
Mounting: Rubber grommet (standard) Rubber grommet (standard) Rubber grommet (standard)

ENVIRONMENTAL

Operating Temperature: -4 to 140°F (-20 to 60°C) -4 to 140°F (-20 to 60°C) -4 to 302°F (-20 to 150°C)
Storage Temperature: -22 to 158°F (-30 to 70°C) -22 to 158°F (-30 to 70°C) -22 to 338°F (-30 to 170°C)
Maximum Pressure: 10 bar, 145 psi (1 Mpa) 10 bar, 145 psi (1 Mpa) 10 bar, 145 psi (1 Mpa)

Automation Products Group, Inc.

1025 West 1700 North Tel. [phone]
Logan, UT 84321 USA Fax [phone]

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