Infrared Instrumentation - Back to Product Guide
Made in the USA
Year 2000 Compliant
ECONOMICAL FIBER OPTIC INFRARED TRANSMITTER
Model OS1553-A
Reaches Difficult-to-Access Locations
Fast, Precise 10 msec Time Constant
Ideal for Small Targets with Spot Sizes Down to 0.004" Available
Adjustable Emissivity for High Accuracy
Spectral Filtering Allows Use in Dirty Atmospheres
Works with Standard Process Meters and Controllers
4-20 mA Output
OS1553-A Shown in an Industrial Application

The OS1553-A is a self-contained fiber optic infrared transmitter designed to provide a linear 4 to 20 mA output for monitoring, datalogging or controlling temperature. The detector is remotely mounted 4' away from the fiber optic lens via the fiber optic cable, removing it from hazardous locations. Other problems that can be overcome by the OS1553-A fiber optic design include: taking measurements in high energy fields measuring very small objects or surfaces; taking measurements in ôdirtyö atmospheres containing water vapor, dust or smoke.

Some important factors that will determine the fiber optic assembly needed for your infrared application are: the distance from the fiber optic lens to the surface being measured; the size of the object being measured; temperature range; ambient temperature around the fiber optic cable; the length of the cable; the method of heating the surface being measured; and the atmospheric conditions between the fiber optic lens and product.


SPECIFICATIONS
Accuracy: ▒1.0% rdg or 1.7░C (▒3░F), whichever is greater
Spectral Response: 0.95 to 1.09 microns
Repeatability: ▒1░C/F or less.
Time Constant: 10 msec (0 to 63.2%)
Output: 4 to 20 mA linear output
Power: 20 to 40 Vdc, 100mA Regulated, 0.2%
Maximum Loop Resistance: (Vsource -20)/20mA
Emissivity: 0.05 to 0.99, adjustable in 0.01 steps
Ambient Temperature: 0 to 50░C (32 to 122░F)
Dimensions: (69 Dia x 203 mm L) 2.7" Dia x 8" L
Weight: 3.5 lb (1.6kg)
Fiber Optic Cable: 4' glass fiber material, heavy duty stainless steel jacket, 0.23" O.D, 300░F max.


For R1 Temperature Range
For R2 Temperature Range
Spotsize/Target Distance Chart
Spotsize/Target Distance Chart
*Code
Spot Size @
Distance
*Code
Spot Size @
Distance
01
0.15"
6"
07
.004"
1"
02
0.25"
8"
08
.025"
4"
03
0.50"
16"
09
.050"
10"
04
0.75"
24"
10
.100"
18"
05
1.00"
30"
11
.150"
24"
06
1.20"
36"
12
.250"
36"

To Order (Specify Model No.) Prices shown in U.S. Dollars
Model No.
Temperature Range
Price
OS1553-A-R1-( * )
565 to 840░C (1050░ to 1550░F)
$2175
OS1553-A-R2-( * )
816░ to 1370░C (1500░ to 2500░F)
$2175
(*) Insert code from spotsize chart above

POWER SUPPLY
Model No.
Description
Price
PSS-D15B
▒15 Vdc or 30 V regulated power supply, ▒100 mA, 0.2% line and load, 115 Vac input
$114
OS1553-A comes complete with probe assembly, fiber cable, and operatorÆs manual.
Note:
Consult OMEGA for information on custom OS1553-A fiber optic systems for any application
Ordering Example: OS1553-A-R1-02 fiber optic sensor with 565 to 840░C range, .25" spot = $2175.



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