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Thermom�tres infrarouge portables, � sortie tension en standard

Intrinsically Safe Infrared Temperature Sensor


Article# OSAT-151-MT-C-05

Remises de volume disponibles
Calendrier de remise sur volume
Quantité Prix unitaire
1-4 C$1,183.59
5-9 C$1,124.41
10-24 C$1,100.74
25-49 C$1,053.40
50-99 C$1,029.72
100+ C$1,006.05

En stock

Délai de livraison (si pas en stock): 9 semaines
Intrinsically Safe Infrared Temperature Sensor OSAT-151-MT-C-05 OSAT-151-MT-C-05
  • 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

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Process Temprature Range
Field of View
Cable Length
Accuracy @ Ambient
Operating Temprature range
Laser Output
Built in Display
Supply Voltage
Spectral Response
Response Time
Communication Protocol
Intrisically Safe

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.

Typical Applications

Petrochemical - condition monitoring
Bearing, gearbox and motor housing surface temperatures in refineries and chemical plants can be monitored without contact, eliminating the need to replace contact probes that are easily damaged by vibration.
Petrochemical - liquid storage and processing The sensor can be positioned in a Zone 0 environment such as the top of a tank of hazardous liquid or reactor, to measure the surface temperature of the liquid.
Dust in pulp, paper and packaging plants can create a fire and explosion hazard. The OSAT intrinsically safe pyrometer can be used for paper web temperature measurement and condition monitoring in ATEX and IECEx classified hazardous areas.
Coal conveyors
The OSAT fast 240 ms response time makes it ideal for measuring the surface temperature of coal on conveyors, as well as other bulk materials where there is an explosive dust hazard.
Gas cylinder filling
The surface temperature of cylinders of explosive gases is monitored with the OSAT as they are filled. The Group IIC, T4 classification makes it suitable for almost all gases including propane, butane, hydrogen and acetylene. The temperature of each cylinder is measured on the filling rig to help detect fault conditions in filling, to calculate the final filled volume (in conjunction with the pressure), to ensure the volume is repeatable, and to improve the filling rate.
Automotive painting
Solvents in automotive painting can create a gas explosion risk. The intrinsically safe OSAT may be used to monitor the temperature of containers and vessels, the surface temperature of liquids and powders, and the temperature of painted surfaces.
The OSAT 316 stainless steel housing and intrinsically safe certification makes it well-suited for use on offshore platforms. As well as measuring the temperature of surfaces on the rig, it can be used to measure the temperature of the sea surface.

General Specifications
Output: 4 to 20 mA
Maximum Temperature Span: 1000°C (1832°F)
Minimum Temperature Span: 100°C (180°F)
Field of View: See To Order chart on next page for details
Accuracy: ±1°C or 1%, whichever is greater
Repeatability: ±0.5°C or 0.5%, whichever is greater
Emissivity Setting Range: 0.20 to 1.00 (pre-set to 0.95)
Emissivity Setting Method: User configurable via USB interface Response Time, t90: 240 ms (90% response)
Spectral Range: 8 to 14 µm
Supply Voltage: 12 to 24 Vdc, ±5%
Maximum Current Draw: 25 mA
Construction: Stainless Steel 316
Dimensions: ø20 x length 150 mm (5.9")
Mounting: M20 x 1.5 mm thread, length 46 mm (1.81"), supplied with two mounting nuts
Cable Length: 5, 10 or 25 m (16.4, 32.8, 82') as standard (custom lengths also available)
Weight: 475 g (1 lb), with 5 m (16.4') cable
Environmental Rating: NEMA 4 (IP65)
Ambient Temperature Operating Range: 0 to 70°C (32 to 158°F)
Relative Humidity: 95% non-condensing maximum

ATEX Classification: Ex II 1GD
IECEx Classification (Gas): Ex ia IIC T4 Ga
IECEx Classification (Dust): Ex ia IIIC T135°C IP65 Da
Ambient Temperature Rating: -20°C ≤Ta ≤70°C
Maximum DC Input Voltage: Ui = 28V
Maximum Input Current: Ii = 93 mA
Maximum Input Power: Pi = 650 mW
Maximum Internal Capacitance: Ci = 8 nF
Maximum Internal Inductance: Li = 0 mH
ATEX Certificate Number: CML 14ATEX2079
IECEx Certificate Number: IECEx CML 14.0032
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Is this rated for an environment containing alkali metals (and their vapors)?

Asked by: NukeEnergyResearcher
Thank you for the inquiry. Please forward this request to TEMP@OMEGA.COM. Best regards OMEGA
Answered by: NorwalkAE_RS
Date published: 2023-09-09

Does the osat have to be used with the MTL 5541 to be intrinsically safe or can it be loop powered from a DCS?

Asked by: mjohn
Hi mjohn, Thank you for the request. The OSAT requires use of a certified intrinsically safe isolator to be considered intrinsically safe. The OSAT cannot be powered direct from a common DCS and still be considered intrinsically safe. Best regards, OMEGA
Answered by: NorwalkAE_RS
Date published: 2022-12-08
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