ExTemp Intrinsically Safe for hazardous areas

Product Details:

Type ExTemp Intrinsically Safe Temperature Sensor
Theory Infrared Non-Contact Measurement
Exterior Material 316 Stainless Steel
Interior Material High Quality Sealed Construction
External Size M20x1.5 mm Thread, Compact Form
Controller System 4-20 mA Loop Powered, No Local Display
Temperature Range -20C to +1000C
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ExTemp Intrinsically Safe for hazardous areas Product Specifications

External Size M20x1.5 mm Thread, Compact Form
Temperature Range -20C to +1000C
Exterior Material 316 Stainless Steel
Interior Material High Quality Sealed Construction
Theory Infrared Non-Contact Measurement
Controller System 4-20 mA Loop Powered, No Local Display
Type ExTemp Intrinsically Safe Temperature Sensor

Product Description

Hazardous Area Classification:

Specification	Value
ATEX Classification	Ex II 1GD
IECEx Classification (Gas)	Ex ia IIC T4 Ga
IECEx Classification (Dust)	Ex ia IIIC T135C IP65 Da
Ambient Temperature Rating	-20C Ta 70C
Maximum DC Input Voltage	Ui = 28 V
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
JapanEx Certificate Number	CML 23JPN2141
UKCA Certificate Number	CML 21UKEX2001

General Specifications:

Specification	Value
Temperature Range	Configurable from -20C to 1000C via optional USB adapter; pre-set to a choice of ranges between these limits (see Ordering)
Maximum Temperature Span	1000C
Minimum Temperature Span	100C
Output	4 to 20 mA
	Optional USB configuration tool and RS-485 network interface available
Accuracy	1C or 1%, whichever is greater
Repeatability	0.5C 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 optional modules
Response Time, t90	240 ms (90% response)
Spectral Range	8 to 14 m
Supply Voltage	12 to 24 V DC 5%
Maximum Current Draw	25 mA
Maximum Loop Impedance	See Application Guide (available separately)

Mechanical Specifications:

Specification	Value
Construction	Stainless Steel 316
Major Dimensions	20 mm x length 150 mm (see Installation)
Mounting	M20 x 1.5 mm thread, length 46 mm, supplied with two mounting nuts
Cable Length	5 m, 10 m, or 25 m as standard (custom lengths are also available)
Weight with 5 m Cable	475 g

Environmental Specifications:

Specification	Value
Environmental Rating	IP65 (NEMA 4)
Ambient Temperature Range	0C to 70C (Operating range)
Ambient Pressure Range	80 kPa (0.8 bar) to 110 kPa (1.1 bar)
Relative Humidity	Max. 95% non-condensing
CE Marked	Yes
RoHS Compliant	Yes

Precision Sensing in Hazardous Areas

The ExTemp Intrinsically Safe Temperature Sensor uses advanced infrared non-contact technology, providing reliable measurements in hazardous or explosive environments. Its intrinsic safety certification makes it suitable for use where flammable gases or dust are present, ensuring both safety and performance.

Robust Build and Easy Installation

Constructed from durable 316 stainless steel, this sensor offers superior resistance to corrosion and physical damage. With its compact design and threaded M20x1.5 mm body, installation is straightforward, even in confined or challenging industrial settings. The IP65 rating further protects against dust and water ingress.

Efficient Process Integration

The 2-wire, loop-powered 4-20 mA output enables seamless integration into standard industrial control systems. Its fast 240 ms response time and broad temperature range from -20C to +1000C make it ideal for dynamic process environments. The lack of a local display enhances reliability in hazardous areas.

FAQ's of ExTemp Intrinsically Safe for hazardous areas:

Q: How is the ExTemp Intrinsically Safe Temperature Sensor installed in hazardous areas?

A: The sensor is designed for easy installation using its threaded M20x1.5 mm body, which allows secure fitting onto process equipment. Its compact form and robust construction enable mounting even in tight spaces or harsh environments typically found in hazardous areas.

Q: What power supply and electrical connection does the ExTemp sensor require?

A: It operates using a 2-wire, loop-powered system, requiring a 12 to 30 VDC power supply. This configuration simplifies wiring and is widely compatible with standard industrial control infrastructure.

Q: When should the ExTemp sensor be used instead of a contact temperature sensor?

A: The ExTemp sensor is ideal when non-contact infrared measurement is required, such as with moving, inaccessible, or electrically live surfaces, or when the process involves hazardous or explosive atmospheres where direct contact is unsafe or impractical.

Q: Where can the ExTemp sensor be deployed in industrial environments?

A: It is suitable for use in any hazardous (potentially explosive) area, particularly in process industries such as chemical plants, oil refineries, and grain handling facilities, where intrinsic safety and non-contact temperature measurement are critical.

Q: What is the process for integrating the ExTemp sensor into a control system?

A: The sensor outputs a standard 4-20 mA analog signal, making it compatible with most PLCs, DCSs, and other process controllers. Simple two-wire loop wiring carries both power and signal, streamlining integration into existing systems.

Q: How does the ExTemp sensor benefit industrial applications?

A: It enhances safety by providing robust, non-intrusive temperature measurements in hazardous areas, reduces maintenance due to its sealed, rugged design, and delivers high accuracy (1%) over a wide temperature range, ensuring optimal process control.

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