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Intrinsically Safe Infrared Temperature Sensor

C$994.56

Item# OSAT-151-C-LT-05

In stock

Lead Time ( If not in Stock): 0 week

Intrinsically Safe Infrared Temperature Sensor OSAT-151-C-LT-05 OSAT-151-C-LT-05
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  • 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

Product info

Process Temprature Range
-20°C (-4°F) to 100°C (212°F)
Field of View
151
Accuracy @ Ambient
±1% rdg or 1°C(1.8°F)
Operating Temprature range
0°C (32°F) to 70°C (158°F)
Laser Output
No
Built in Display
No
Emissivity
0.2-1
Cable Length
16 ft
Output
4 to 20 mA
Supply Voltage
12 to 24 Vdc
Spectral Response
8 to 14 microns
Response Time
240 ms
Communication Protocol
USB
Intrisically Safe
Yes
Features
IP 65 Rated , OffShore application

Product Specs

  • Housing Material Stainless Steel 316
  • Form Factor Fixed Mount
  • Emissivity 0.20 to 1.00 (pre-set to 0.95)
  • Maximum Input Voltage Ii = 93 mA
  • Maximum Ambient Temperature 70°C
  • Repeatability ±0.5°C or 0.5%
  • Measurement Type Temperature
  • Sensor Diameter 20 mm
  • Measurement Units °C
  • Sensor Length 150 mm (5.9 in)
  • Thread Size M20 x 1.5 mm thread

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.
Paper
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.
Offshore
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
Environmental Rating: NEMA 4 (IP65)
Ambient Temperature Operating Range: 0 to 70°C (32 to 158°F)
Relative Humidity: 95% non-condensing maximum
HAZARDOUS AREA
CLASSIFICATION

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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