
LAS ER R ADI ATIO N –
CLASS 2 LASER PRODUCT,
CONFORMS TO IEC825-1:1993
LASER RADIATION
DO NOT STARE INTO BEAM
WAVELENGTH 600-700 nm
POWER <1mW-CLASS II
LASER PRODUCT, COMPLIES
WITH 21 CFR CHAPTER 1,
SUBCHAPTER J.
CAUTION
OMEGA ENGINEERING, INC.,
STAMFORD, CT 06907 U.S.A. MADE IN TAIWAN
CAUTION!
– This product
is not intended for medical
use or use on humans
Stick Type Infrared Pyrometers
Combination! Contact and Non-Contact (IR)
Food Service Model with Type K Input
OS643 Series
Starts at
$
65
Optional
All models shown
close to actual size.
Food Service
Model
OS643W
OS643, °C/°F
switchable, $65.
OS643
°C/°F Switchable
Detection Element: Thermopile
Sighting: Laser marker 1 mW
Backlit LCD Display
Analog Output: 1 mV/°C/°F
Emissivity: 0.95, accuracy ± 3%
Temperature Range:
0 to 260°C (0 to 500°F )
OS643W
Switchable from IR to T/C
Temperature Range:
IR: -18 to 260°C (0 to 500°F)
T/C: -50 to 1093°C (-58 to 2000°F)
Accuracy: IR: ± 3% rdg
T/C: ± 0.3% rdg + 2°F
Analog Output: 1 mV/°C/°F
Emissivity: 0.95
Detection Element: Thermopile
OS643W, °C/°F
switchable
with Type K
thermocouple
input, $110.
Accessories
To Order (Specify Model Number)
Model No. Price Description
MN2400 $3 Extra “AAA” alkaline battery
OS-643-NIST 90 NIST-traceable calibration certificate (no data points)
CAL-3-IR 125 NIST-traceable calibration certificate (data points)
STICK-CABLE 9 Analog output cable
Comes complete with soft vinyl carrying case, 4 “AAA” alkaline batteries and operator’s manual.
OS643W comes with beaded wire Type K thermocouple.
J-31

High Temperature Infrared
LAS ER R ADI ATIO N –
CLASS 2 LASER PRODUCT,
CONFORMS TO IEC825-1:1993
LASER RADIATION
DO NOT STARE INTO BEAM
WAVELENGTH 600-700 nm
POWER <1mW-CLASS II
LASER PRODUCT, COMPLIES
WITH 21 CFR CHAPTER 1,
SUBCHAPTER J.
CAUTION
S
OMEGA ENGINEERING, INC.,
STAMFORD, CT 06907 U.S.A. MADE IN TAIWAN
CAUTION!
– This p roduct
is not intended for medical
use or use on humans
Pyrometers (-4°F to 752°F)
Some with Adjustable Emissivity (0.10 to 1.00)
The OMEGA®OS640 series IR's
without adjustable emissivity have
OS643E °C/°F
switchable, $99.
All models shown
close to actual size.
an analog output that can be
interfaced to recorders/data loggers
such as the RD101A recorder. (See
Section S for additional information).
Selection Guide
To Order (Specify Model Number)
Model No. OS643 OS643E OS643W
Price $65 $99 $110
Backlit LCD ⻬⻬ ⻬
Resolution (counts) 1999 1999 1999
Laser guide (5mW)
Emissivity (E) 0.95 Adjustable 0.10 to 1.00 0.95
Range C° 0 to 260 -20 to 400 IR: 0 to 260; TC: -50 to 1300
Range F° 0 to 500 -4 to 752 IR: 0 to 500; TC: -58 to 2000
Auto hold ⻬⻬ ⻬
Auto power-off ⻬⻬ ⻬
Analog output
1 mV/°C or °F ⻬⻬
Comes complete with soft vinyl carrying case, 4 “AAA” alkaline batteries and operator's manual.
Ordering Example: OS643E, infrared pyrometer °C/°F switchable, $99.
J
OS643E
Infrared Thermometer
°C/°F Switchable
Detection Element: Thermopile
Sighting: Laser marker 1mW
Backlit LCD Display
Emissivity: Adjustable
0.10 to 1.00
Temperature Range:
RD101B, $2330, shown smaller
than actual size, see section S.
Common Specifications
Basic Accuracy:
°C: ±3% or ±3°C (whichever is greater)
°F: ±3% or ±5.5°F (whichever is greater)
Sensor: Thermopile
Resolution: 1°
Dimensions: 170 H x 44 W X 40 mm D
(6.7 x 1.8 X 1.6")
Weight: 160 g (5.5 oz)
-20°C to 400°C (-4°F to 752°F)
AVAILABLE FOR FAST DELIVERY!
J-32

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