Fast ,Very High Temperature, Fixed Distance Infrared Sensors

OS1561, OS1571Superseded Product

Very High Temperature Infrared Sensors

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±1.0% rdg Accuracy
±0.5% rdg Repeatability
10 msec Response, 0 to 63.2%
Rugged Construction
Adjustable Emissivity
Unaffected by Most Electrically Noisy Environments
Optional Air Purge for Dirty Environments
Backlight Capability Available
Peak Sense and Hold Standard
Ranges to 390°C (735°F) with Lead Sulfide Detector
Ranges to 3700°C (6692°F) with Lead Selenide Detector
1 mV per Degree Output Standard with Optional Thermocouple, 0 to 10 Vdc or 4 to 20 mA Output Available
Signal Processing Available with OS1571

Descrição

The OS1561 and OS1571Series has been superseded, please see the OS4000 Series as a possible substitute or consult OMEGA's Temperature Engineering department.

The OS1561 and OS1571 stand-alone line of sight infrared pyrometers provide a 10 msec time constant for applications requiring exceptionally fast and accurate non-contact temperature measurements.

It is a compact and rugged unit, with 1 mv/degree outputs, and is compatible with a variety of temperature instrumentation including meters, recorders and dataloggers. It has an optional linear output of either 0 to 10 Vdc or 4 to 20 mA

The detector has a built-in synchronous demodulation circuitry, making it ideal for use in applications with high levels of electrical noise.

The OS1571 offers signal processing outputs of peak sense and hold. The pyrometer also has the ability for backlighting which defines the exact area being measured by projecting an image of light at a particular point on the object.

The OS1561 and OS1571 detectors are available in various temperature ranges with specific spot sizes at specific target distances (see ordering matrix on next page for details). It is intended for fixed mount applications where the pyrometer location, relative to the object being measured, will be constant.

Range Code	Temperature Range	Spectral Response	Detector Type	Spot Size at Distance to Target
R1	130 to 260°C (266 to 500°F)	1.8-3.0 microns	Lead Sulfide	9.7" @120"
R2	185 to 390°C (365 to 734°F)	1.8-3.0 microns	Lead Sulfide	2.35" @ 120"
R3	70 to 140°C (158 to 284°F)	1.8-3.0 microns	Lead Sulfide	0.10" @ 2.0"
R4	100 to 300°C (212 to 572°F)	1.8-3.0 microns	Lead Sulfide	0.17" @ 12.0"
R5	200 to 600°C (342 to 1112°F)	4.5-5.15 microns	Lead Selenide	9.7" @ 120"
R6	800 to 2400°C (1472 to 4352°F)	4.5-5.15 microns	Lead Selenide	2.35" @ 120"
R7	1000 to 3000°C (1832 to 5432°F)	4.5-5.15 microns	Lead Selenide	0.17" @ 12.0"
R8	1235 to 3700°C (2255 to 6692°F)	4.5-5.15 microns	Lead Selenide	0.49" @ 28.0"

Other temperature ranges and spot sizes vs. distance to target ranges are available; consult factory for details.

Second Output
OS1561 Models - No Add’l Cost

Optional Second Output
OS1571 Models

Order Suffix	Description
-V	0 to 10 Vdc
-MA	4 to 20 mA
-J	J thermocouple
-K	K thermocouple

Order Suffix	Description
-V	0 to 10 Vdc
-MA	4 to 20 mA

Optional Signal Processing Feature
OS1571 Models only

Order Suffix	Description
-PS	Peak Sense and Hold
-SA	Signal Advertising
-FR	Fast Rise Variable Decay