background image

Things to Consider

• Use two people for alignment, one at Source and one at Receiver

• Automatic gain control compensates for dirty optics, rain, and fog

• Source and Receiver should not be mounted close to radio

sources or similar equipment

• Mount away from sources of excessive vibration and high

voltage/high current power lines

• If the path length is less than 20 meters (65 feet), a Source with

an attenuation plate is required

• A Long Range Alignment Kit is recommended for separations 

of 60 meters or more

• If using adjacent detectors, install Receivers at opposite ends 

to prevent light interference measurement errors

• Field calibration is not required and the sensitivity can be

checked by placing a test gas film in front of the Receiver

Specification

Ultima OPIR-5

RESPONSE TIME (T90, S)

≤3

REPEATABILITY

<±5%

LINEARITY

<±5% FS or ±10% Applied Gas

PATH LENGTH, MAX (M)

30 (short), 100 (

standard)

OPERATING TEMPERATURE 

RANGE ( °C)

-55 to +65

SOLAR BLIND

All conditions

FOG IMMUNITY BASED ON FM 6325

95% blockage

COMBINED WEIGHT, RECEIVER 

AND SOURCE (KG)

11 (SS only)

SUPPLY POWER, NOMINAL (W)

23

BIDIRECTIONAL COMMUNICATION

HART, Modbus

EVENT LOGGING/AMS 

DEVICE MANAGER

Available

TWO AVAILABLE SCALES

LIGHT HYDROCARBONS

HEAVY HYDROCARBONS

0-5000 ppm*m & 0-5 LEL*m
0-2000 ppm*m & 0-1 LEL*m

Typical AJ Values

Distance

20 m

50 m

100 m

STANDARD

50-60

40-50

25-35

EXTENDED

N/A

45-55

30-40

CLEAR  •   MEASURE  •   SOURCE  •   RECEIVER

• Ensure the path is 

CLEAR

between the Source and Receiver.

MEASURE

the distance between the Source and Receiver 

to get the best AJ Values

• Start the Alignment at the 

SOURCE

• Finalize the setup at the 

RECEIVER

0

4

12

AO (mA)

5 LEL•m

5,000 ppm•m (0.1 LEL•m)

M

ethane G

as C

onc

entration

(ppm•m)

M

ethane G

as C

onc

entration

(LEL•m)

20

www.MSA

gasdetection

.com

Note: 

This bulletin contains only a general description of the products shown.

 

While uses and performance capabilities are described, under no circumstances 
shall the products be used by untrained or unqualified individuals and not until

 

the product instructions including any warnings or cautions provided have 
been thoroughly read and understood. Only they contain the
complete and detailed information concerning proper use and
care of these products.

ID 0782-010-MC

e

 / 

Mar 2017

© MSA 2015 Printed in U.S.A.

MSA – The Safety Company

1000 Cranberry Woods Drive, 
Cranberry Township, PA 16066 USA
Phone        724-776-8600

www.MSAsafety.com

U.S. Customer Service Center

Phone        1-800-MSA-2222
Fax              1-800-967-0398

MSA Canada

Phone        1-800-672-2222
Fax              1-800-967-0398

MSA Mexico 

Phone        01 800 672 7222
Fax              52-44 2227 3943

MSA International  

Phone        724-776-8626 
Toll Free    1-800-672-7777 
Fax              724-741-1553
Email          [email protected]

Source

Receiver

50 to 1

0

0m

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