OMEGA

OSAT Intrinsically Safe IR Sensor for Hazardous Locations

Intrinsically Safe Infrared Temperature Sensor

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OSAT Intrinsically Safe IR Sensor for Hazardous Locations 09097

 The OSAT is an intrinsically safe infrared pyrometer. It measures the temperature of surfaces in hazardous areas without contact, and provides a direct 4-20 mA output. It is certified to ATEX, IECEx and TIIS standards.The OSAT is a small and compact low cost option for temperature measurement in hazardous locations. It uses Intrinsic Safety as the method of protection, whereas explosion proof pyrometers typically have bulky, and expensive housings.

• Suitable for Hazardous Areas, Zone 0, 1 and 2 (Gas), and Zone 20, 21 and 22 (Dust), With a Suitable Intrinsically Safe Isolator 
• Temperature Range: -20 to 1000°C (-4 to 1832°F) 
• Two-Wire, 4 to 20 mA Output 
• Re-Scalable Output and Adjustable Emissivity Setting via Optional USB Adaptor 
• Fast Response Time and High Stability 
• 316 Stainless Steel Housing—Ideal for Offshore Applications 
• IP65 Sealed 
• Supplied with Up to 25 m Cable
Field of ViewSee To Order chart on next page for details
Minimum Temperature Span100°C (180°F)
Maximum Temperature Span1000°C (1832°F)
Output4 to 20 mA
IECEx Certificate NumberIECEx CML 14.0032
ATEX Certificate NumberCML 14ATEX2079
Maximum Internal InductanceLi = 0 mH
Maximum Internal CapacitanceCi = 8 nF
Maximum Input PowerPi = 650 mW
Maximum Input CurrentIi = 93 mA
Maximum DC Input VoltageUi = 28V
Ambient Temperature Rating-20°C ≤Ta ≤70°C
IECEx Classification (Dust)Ex ia IIIC T135°C IP65 Da
IECEx Classification (Gas)Ex ia IIC T4 Ga
ATEX ClassificationEx II 1GD
Classification
Hazardous Area
Relative Humidity95% non-condensing maximum
Ambient Temperature Operating Range0 to 70°C (32 to 158°F)
Environmental RatingNEMA 4 (IP65)
Environmental
Weight475 g (1 lb), with 5 m (16.4') cable
Cable Length5, 10 or 25 m (16.4, 32.8, 82') as standard (custom lengths also available)
MountingM20 x 1.5 mm thread, length 46 mm (1.81"), supplied with two mounting nuts
Dimensionsø20 x length 150 mm (5.9")
ConstructionStainless Steel 316
Maximum Current Draw25 mA
Supply Voltage12 to 24 Vdc, ±5%
Spectral Range8 to 14 µm
Emissivity Setting MethodUser configurable via USB interface Response Time, t90: 240 ms (90% response)
Emissivity Setting Range0.20 to 1.00 (pre-set to 0.95)
Repeatability±0.5°C or 0.5%, whichever is greater
Accuracy±1°C or 1%, whichever is greater

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