Infrared Temperature Sensor ExTemp

Product Details:

Application Hazardous Area Temperature Measurement
Power Consumption < 50 mA
IP Rating IP65 (NEMA 4)
Wireless No
Sensitivity 0.02C
Measurement Range -20C to 1000C
Operating Temperature -20C to +70C
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Infrared Temperature Sensor ExTemp Product Specifications

Operating Temperature -20C to +70C
Features ATEX & IECEx Certified, Intrinsically Safe, Rugged Design
Weight Approx. 230 g
Application Hazardous Area Temperature Measurement
Accuracy 1% of Reading or 1C (whichever is greater)
Usage Industrial Monitoring, Process Control
Power Consumption < 50 mA
IP Rating IP65 (NEMA 4)
Wireless No
Sensitivity 0.02C
Measurement Range -20C to 1000C
Output 4-20mA, Two-wire
Material Stainless Steel Housing
Resolution 0.1C
Cable Length 3 m Cable (standard), extendable
Product Type Infrared Temperature Sensor
Function Non-contact Surface Temperature Measurement
Input Infrared Radiation
Voltage 24 VDC (typical)
Sensor Type ExTemp Pyrometer
Mounting Type Threaded (M20x1.5)
Interface 2-Wire System
Response Time 240 ms
Signal Type Analog

Emissivity Adjustable, default 0.95
Window/Optics Material Germanium
Explosion Protection Certified for Zone 0, 1, 2, 20, 21, 22 (Gas & Dust Environments)
Electrical Connection Pre-wired Cable
Ambient Humidity 10% to 95%, non-condensing
Spectral Range 8 to 14 m
Storage Temperature -30C to +85C
Housing Dimensions Length 103 mm, Diameter 18 mm

Product Description

Specifications:

Temperature range: -20C to 1000C
ATEX, IECEx and UKEX certified up to Zone 0 (gas) and Zone 20 (dust)
Certified for use in Japan
4-20 mA output, two-wire, loop-powered
Optional RS-485 network adapter and USB configuration tool
Supplied with up to 25 m cable
Cable may be extended even further (subject to safety requirements) cable runs could extend all the way back to the control room
Stainless steel 316 housing, ideal for offshore applications
Not designed or approved for fever detection

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

Unmatched Safety for Hazardous Applications

The ExTemp sensor is specifically engineered for environments where explosion protection is essential. With certifications for Zones 0, 1, 2, 20, 21, and 22, it ensures reliable operation in both gas and dust-laden atmospheres. Intrinsically safe design provides peace of mind in industries like petrochemicals, food processing, and pharmaceuticals.

Precision Monitoring & Control

Achieve superior process control with the ExTemp's high sensitivity (0.02C), fine 0.1C resolution, and swift 240 ms response time. Its adjustable emissivity accommodates diverse material surfaces, providing accurate readings across a range of -20C to 1000C, making it ideal for quality assurance and critical temperature monitoring.

Rugged, Reliable, and Easy to Integrate

Constructed from stainless steel and featuring an IP65-rated enclosure, the ExTemp withstands harsh industrial conditions. The pre-wired 3m cable (extendable) and threaded mounting (M20x1.5) simplify installation. The analog 4-20mA output integrates seamlessly into existing industrial control systems, enhancing reliability and ease of maintenance.

FAQ's of Infrared Temperature Sensor ExTemp:

Q: How does the ExTemp infrared temperature sensor operate in hazardous environments?

A: The ExTemp sensor is certified ATEX and IECEx for explosion protection, allowing safe operation in hazardous Zones 0, 1, 2 (gases) and 20, 21, 22 (dusts). Its intrinsically safe design minimizes ignition risk, making it suitable for monitoring temperature in potentially explosive atmospheres.

Q: What materials and surfaces can the ExTemp accurately measure?

A: With adjustable emissivity (default 0.95), the ExTemp is versatile and can be calibrated for various surfaces, including metals, plastics, and painted or coated objects, delivering reliable non-contact temperature readings across industrial applications.

Q: When should I use the ExTemp sensor over traditional contact sensors?

A: The ExTemp is ideal when surface temperatures need to be monitored without physical contact, especially where high temperatures, moving parts, or hazardous and inaccessible locations are involved, ensuring safety and efficiency.

Q: Where can the ExTemp sensor be installed for optimal performance?

A: Install the sensor so it has a direct line-of-sight to the target surface within its measurement range. The rugged, threaded mounting (M20x1.5) allows secure attachment in areas exposed to moisture, dust, or high ambient temperatures (-20C to +70C).

Q: What is the process for connecting the ExTemp sensor to my control system?

A: The ExTemp is supplied with a pre-wired 3m cable and outputs a standard 4-20mA analog signal through a two-wire connection, ensuring quick integration with most industrial monitoring and process control equipment. The cable can be extended for flexible installation.

Q: How does using the ExTemp benefit my industrial process?

A: The ExTemp provides rapid, accurate surface temperature measurements without contact, reducing equipment wear and maximizing safety. Its robust construction, explosion-proof certification, and reliable performance enhance plant safety, process efficiency, and regulatory compliance.

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