Omega Products OS151-HT User Manual
Compact Non-Contact
J
Temperature Sensor/Transmitter
with Optional Dual Output
OS210, OS150, OS300
and OS800 Series
Starts at
$
196
†
Optional
OS211MT-MV, $213,
shown smaller than
actual size.
⻬ Temperature Range: -20 to 500°C
(-4 to 932ºF)
⻬ Emissivity Setting: Fixed at 0.95
⻬ 2-Wire 4 to 20 mA Output or 4-Wire
Voltage/Thermocouple Output
⻬ 4-Wire Unit Provides Internal
Sensor Temperature
⻬ Field of View: 2:1, 15:1, 30:1 or
Close Focus
⻬ Fast Response with High Stability
⻬ Stainless Steel Housing, Sealed to IP65
⻬ Quick and Easy Installation
⻬ Optional Air/Water Cooled Housing,
Air Purge Collar, Laser Sighting Tool
and Mounting Brackets
This Series is a range of high quality, low cost,
compact sensors which measure the temperature
of inaccessible or moving objects and materials.
They measure temperatures from -20 to 500°C
(-4 to 932ºF), accurately and consistently, with an
outstanding response time of 240 ms. Infrared (IR)
sensors are available as either 2- or 4-wire units. Twowire IR sensors transmit the target temperature as a
4 to 20 mA output and offer a simple solution for most
non-contact temperature measurement applications.
Four-wire IR sensors transmit the target temperature
as a 0 to 50 mV or thermocouple output (Type J, K or
T) plus the internal sensor temperature as a 4 to
20 mA output. This second output can be used to
ensure that the sensor is being operated within the
correct ambient temperature limits and prevent
damage caused by overheating or overcooling. It can
also be used to give an approximate indication of
the air temperature surrounding the sensor. IR
sensors are fitted with precision germanium lenses
for accurate optics.
Specifications
Accuracy: ±1% of reading or ±1ºC whichever is greater
Repeatability: ±0.5% of reading or ±0.5ºC whichever
is greater
Emissivity: Fixed at 0.95
Response Time, t90: 240 ms (90% response)
Spectral Range: 8 to 14 μm
Supply Voltage: 24 Vdc (28 Vdc max)
Min Sensor Voltage: 6 Vdc
Max Loop Impedance: 900 Ω (4 to 20 mA output)
Output Impedance: 56 Ω (voltage/thermocouple output)
Mechanical
Construction: Stainless steel
Dimensions: 103 L x 18 mm D (4.06 x 0.71")
Thread Mounting: M16 x 1 mm pitch
Cable Length: 1 m (3.3') (included) longer lengths
available to order
Weight with Cable: 95 g (3.35 oz)
Environmental
Rating: IP65
Ambient Temperature Range: 0 to 70ºC (32 to 158ºF)
Relative Humidity: 95% max non-condensing
†
For NIST calibration ordering information see accessories chart
on page J-z.
Compact stainless steel
IP65 housing.
J-w
MOST POPULAR
11.9
Distance: Sensor to object (in)
D
Distance: Sensor to object (mm) Distance: Sensor to object (mm) Distance: Sensor to object (mm)
D
61.9
111.9
0.5
2.4
4.4
0
0
4
8
100
200
D:S 2:1
OS210 Series
Spot
Dia.
(in)
S
pot
Dia.
(mm)
45.2
78.6
1.8
3.1
19.7 39.4
500 1000
Distance: Sensor to object (in) Distance: Sensor to object (in) Distance: Sensor to object (in)
D
11.9
0.5
0
0
D:S 15:1
OS150 Series
Dia.
(in)
Spot
Dia.
(mm)
11.9
0.5
0
0
28.6
45.2
1.1
1.8
19.7 39.4
500 1000
D:S 30:1
OS300 Series
Spot
Dia.
(in)
Spot
Dia.
(mm)
OS210 Series with 2:1 Field of View
MODELS HIGHLIGHTED!
To Order (Specify Model Number)
Model No. Price Temperature Range Output
OS211-LT $196 -20 to 100ºC (-4 to 212ºF) 4 to 20 mA
OS211-MT 196 0 to 250ºC (32 to 482ºF) 4 to 20 mA
OS211-LT-MV 213 -20 to 100ºC (-4 to 212ºF) 0 to 50 mV
OS211-LT-T 213 -20 to 100ºC (-4 to 212ºF) Type T thermocouple
OS211-LT-J 213 -20 to 100ºC (-4 to 212ºF) Type J thermocouple
OS211-LT-K 213 -20 to 100ºC (-4 to 212ºF) Type K thermocouple
OS211-MT-MV 213 0 to 250ºC (32 to 482ºF) 0 to 50 mV
OS211-MT-T 213 0 to 250ºC (32 to 482ºF) Type T thermocouple
OS211-MT-J 213 0 to 250ºC (32 to 482ºF) Type J thermocouple
OS211-MT-K 213 0 to 250ºC (32 to 482ºF) Type K thermocouple
Ordering Example: OS211-MT, 2:1 field of view, 0 to 250ºC (32 to 482ºF) temperature range,
4 to 20 mA output, $196.
OS150 Series with 15:1 Field of View
Model No. Price Temperature Range Output
OS151-LT $230 -20 to 100ºC (-4 to 212ºF) 4 to 20 mA
OS151-MT 230 0 to 250ºC (32 to 482ºF) 4 to 20 mA
OS151-HT 230 0 to 500ºC (32 to 932ºF) 4 to 20 mA
OS151-LT-MV 247 -20 to 100ºC (-4 to 212ºF) 0 to 50 mV
OS151-LT-T 247 -20 to 100ºC (-4 to 212ºF) Type T thermocouple
OS151-LT-J 247 -20 to 100ºC (-4 to 212ºF) Type J thermocouple
OS151-LT-K 247 -20 to 100ºC (-4 to 212ºF) Type K thermocouple
OS151-MT-MV 247 0 to 250ºC (32 to 482ºF) 0 to 50 mV
OS151-MT-T 247 0 to 250ºC (32 to 482ºF) Type T thermocouple
OS151-MT-J 247 0 to 250ºC (32 to 482ºF) Type J thermocouple
OS151-MT-K 247 0 to 250ºC (32 to 482ºF) Type K thermocouple
OS151-HT-MV 247 0 to 500ºC (32 to 482ºF) 0 to 50 mV
OS151-HT-J 247 0 to 500ºC (32 to 932ºF) Type J thermocouple
OS151-HT-K 247 0 to 500ºC (32 to 932ºF) Type K thermocouple
Ordering Example: OS151-MT-K, 15:1 field of view, 0 to 250ºC (32 to 482ºF) Type K
thermocouple output, $247.
Diameter of target spot measured vs
distance from sensing head
Diameter of target spot measured vs
distance from sensing head
OS300 Series with 30:1 Field of View
Model No. Price Temperature Range Output
OS301-LT $321 -20 to 100ºC (-4 to 212ºF) 4 to 20 mA
OS301-MT 321 0 to 250ºC (32 to 482ºF) 4 to 20 mA
OS301-HT 321 0 to 500ºC (32 to 932ºF) 4 to 20 mA
OS301-LT-MV 338 -20 to 100ºC (-4 to 212ºF) 0 to 50 mV
OS301-LT-T 338 -20 to 100ºC (-4 to 212ºF) Type T thermocouple
OS301-LT-J 338 -20 to 100ºC (-4 to 212ºF) Type J thermocouple
OS301-LT-K 338 -20 to 100ºC (-4 to 212ºF) Type K thermocouple
OS301-MT-MV 338 0 to 250ºC (32 to 482ºF) 0 to 50 mV
OS301-MT-T 338 0 to 250ºC (32 to 482ºF) Type T thermocouple
OS301-MT-J 338 0 to 250ºC (32 to 482ºF) Type J thermocouple
OS301-MT-K 338 0 to 250ºC (32 to 482ºF) Type K thermocouple
OS301-HT-MV 338 0 to 500ºC (32 to 932ºF) 0 to 50 mV
OS301-HT-J 338 0 to 500ºC (32 to 932ºF) Type J thermocouple
OS301-HT-K 338 0 to 500ºC (32 to 932ºF) Type K thermocouple
Ordering Example: OS301-HT-K, 30:1 field of view, 0 to 500ºC (32 to 932ºF) temperature
range, Type K thermocouple output, $423. OCW-3, OMEGACARESMextends standard 2-year
warranty to a total of 5 years ($105), $423 + 105 = $528.
Diameter of target spot measured vs
distance from sensing head
J-x
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