Omega Products OS210-C4 Installation Manual

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User’s Guide

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MADE IN UNITED KINGDOM

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OS210-C4

IR Temperature Sensors

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It is the policy of OMEGA Engineering, Inc.to comply with all worldwide safety and EMC/EMI
regulations that apply. OMEGA is constantly pursuing certification of its products to the European
New Approach Directives. OMEGA will add the CE mark to every appropriate device upon
certification.

The information contained in this document is believed to be correct, but OMEGA accepts no liability for any
errors it contains, and reserves the right to alter specifications without notice.
WARNING: These products are not designed for use in, and should not be used for, human applications.

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OS210-C4 series non-contact infrared sensors measure temperatures from -20°C to 500°C and
provide an RS485 Modbus RTU interface.

OS210-C4 SPECIFICATIONS

Temperature Range vs Field-of-View table

Field of View Model Number

2:1 OS211-C4

15:1 OS151-C4

Interface RS485 Modbus RTU
Accuracy ±1% of reading or ±1ºC whichever is greater
Repeatability ± 0.5% of reading or ± 0.5ºC whichever is greater
Emissivity 0.2 to 1.0
Response Time, t90 240 ms (90% response)
Spectral Range 8 to 14 μm
Supply Voltage 12 V DC nominal (6 - 13 V DC)
Supply Current 50 mA max.
Baud Rate 9600 baud *
Format 8 data bits, no parity, 1 stop bit *

Mechanical

Construction Stainless Steel
Dimensions 18 mm diameter x 103 mm long
Thread Mounting M16 x 1 mm pitch
Cable Length 1 m
Weight with Cable 95 g

environMental

Environmental Rating IP65
Ambient Temperature 0ºC to 70ºC
Relative Humidity 95% max. non-condensing

* Other congurations available upon request

The DP240 is a 320x240 pixel touch-screen terminal with a 3.5”colour TFT display. It allows the user to display
data from up to eight OS210-C4 sensors and configure each sensor individually. The configuration parameters
include emissivity setting, signal averaging, peak or valley hold processing and reflected energy compensation.

There are two versions available. Each one provides all of the features above, however, the enhanced
DP240-AR also provides analogue transmission for up to four sensors, plus two adjustable alarm
outputs per sensor for all eight sensors.

Field of View Model Number

30:1 OS301-C4
ø5mm @ 100mm OS801-C4

DP240 TOUCHSCREEN TERMINAL SPECIFICATIONS

Display Format LCD type TFT 320 x 240, 3.5” touch screen, Resistive
Supply Voltage 12 to 24 V DC
Power Consumption 8 W
Serial port EXP1 RS485 Modbus RTU interface for OS210-C4 Series sensors
Serial port COM2 RS485 / RS232 interface for second display (read only)
Outputs (DP240-AR only) 4 analogue outputs, 0 to 10 V DC, 16 programmable alarm

Mechanical

Construction Polycarbonate with gasket, transparent lid (PC) and quick release screws
Mounting Surface
Dimensions 140mm wide x 100mm tall x 44mm deep (DP240)

140mm wide x 100mm tall x 65mm deep (DP240-AR)

environMental

Environmental Rating IP54 (front), IP30 (housing)
Ambient Temperature Range 0°C to 45°C
Relative Humidity 35% to 95%, non-condensing

outputs,12/24 V DC, 700 mA, (3 A max. per block of 8 outputs).

3

accessorIes

1000

103

12

18

M16 x 1mm

Distance: Sensor to object (inches)

Distance: Sensor to object (mm)

11.9

45.2

78.6

0.5

1.8

3.1

0 19.7 39.4

0

11.9

0

500 1000

Spot Dia.

(inches)

Spot Dia.

(mm)

Spot Dia.

(inches)

Spot Dia.

(mm)

Distance: Sensor to object (inches)

Distance: Sensor to object (mm)

Spot Dia.

(inches)

Spot Dia.

(mm)

Distance: Sensor to object (inches)

Distance: Sensor to object (mm)

11.9

0.5

61.9

111.9

0.5

2.4

4.4

048

0

0

5.0

0.20

100

3.9

12.5

0.49

200

7.9

100 200

D:S 15:1D:S 2:1

Distance: Sensor to object (inches)

Distance: Sensor to object (mm)

11.9

28.6

45.2

0.5

1.1

1.8

0 19.7 39.4

0 500 1000

Spot Dia.

(inches)

Spot Dia.

(mm)

D:S 30:1

Sensor

BEST

GOOD

INCORREC

Background

Target greater
than spot size

Target equal to
spot size

Target smaller
than spot size

A range of accessories to suit different applications and industrial environments is available. These
may be ordered at any time and added on-site. The accessories consist of the following parts.
Fixed mounting bracket Adjustable mounting bracket Air purge collar
Laser sighting tool

optIons

The following options are available. Options are factory installed and must be ordered with the
sensor.
Air/water cooled housing Certificate of calibration Longer cable

optIcal cHart

The optical chart below indicates the nominal target spot diameter at any given distance from the
sensing head and assumes 90% energy.

OS211-C4 OS151-C4 OS301-C4 OS801-C4

InstallatIon

The installation process consists of the following stages:
Preparation Mechanical installation Electrical installation

Please read the following sections thoroughly before proceeding with the installation.

preparatIon

Ensure that the sensor is positioned so that it is focused on the target only.

4

T