Fast ,Very High Temperature, Fixed Distance Infrared Sensors

OS1561, OS1571Superseded Product

Very High Temperature Infrared Sensors

±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

Description

The OS1561 and OS1571Series has been superseded, please see the OS4000 Series as a possible substitute or consult OMEGA's Temperature Engineering department.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

Place Order(Specify Model Number)

Part Number/ Desc.

Qty

Description

Example part numbers are shown below. For additional configurations see the Part Number Builder below this table.

OS1561C-R1-J

Consult Sales

Availability:

fixed distance pyrometer with 130 to 260°C range, 1 mV/°C output, J thermocouple second output

OS1561F-R2-MA

Consult Sales

Availability:

fixed distance pyrometer with 365 to 734°F range, 1 mV/°F output, 4 to 20 mA second output

OS1571C-R1

Consult Sales

Availability:

fixed distance pyrometer with 130 to 260°C range, 1 mV/°C output

OS1571C-R1-V

Consult Sales

Availability:

fixed distance pyrometer with 130 to 260°C range, 1 mV/°C output, optional 0 to 10 Vdc second output

OS1571F-R2-MA-PS

Consult Sales

Availability:

fixed distance pyrometer with 365 to 734°F range, 1 mV/°F output, optional 4 to 20 mA second output, Peak Sense and Hold

Accessories

OS1562-MB

Consult Sales

Availability:

Mounting Bracket

PSS-D15B

Consult Sales

Availability:

±15 Vdc or 30 V regulated power supply, ±100 mA, 0.025 line and load, 115 Vac input

† All amounts shown in AUD
Note: Specify range code from range chart above. Units come complete with operator’s manual.
Model OS1561 can use range codes R1 thru R4. Model OS1571 can use range codes R1 thru R8.

Part Number Builder

Build Your Part Number Below

	(1)	(2)		(3)	(4)	(5)
OS			-

Option Descriptions:

(1) Model select from:
1561 for model 1561
1571 for model 1571

(2) Output select from:
C for 1 mV/°C output
F for 1 mV/°F output

(3) Range select from:
R1 for 130 to 260°C (266 to 500°F)
R2 for 185 to 390°C (365 to 734°F)
R3 for 70 to 140°C (158 to 284°F)
R4 for 100 to 300°C (212 to 572°F)
R5 for 200 to 600°C (342 to 1112°F)
R6 for 800 to 2400°C (1472 to 4352°F)
R7 for 1000 to 3000°C (1832 to 5432°F)
R8 for 1235 to 3700°C (2255 to 6692°F) (NOTE R5 R6 R7 R8 ranges with Lead Selenide Detector are only available on OS1571 models.)

(4) Second Output(standard with OS1561 and optional with OS1571) select from:
Nothing(leave field blank) for no second output(OS1571 only)
-V for 0 to 10 Vdc
-MA for 4 to 20 mA
-J for J thermocouple(OS1561 only)
-K for K thermocouple(OS1561 only)

(5) Optional Signal Processing Feature(OS1571 only) select from:
Nothing(leave field blank) for no options signal processing feature
-PS for Peak Sense and Hold
-SA for Signal Advertising
-FR for Fast Rise Variable Decay

Note: All combinations may not be valid, check spec sheet for valid part numbers.