Infrared Temperature Sensors FibreMini

Product Details:

Features Compact design, resistant to EMI, flexible fiber optic cable, customizable probe length
Power Consumption Max 2 W
Cable Length Standard 3 m (up to 30 m optional)
Wireless No
IP Rating IP65
Response Time 10 ms
Sensitivity High (optimized for fast response to temperature changes)
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Infrared Temperature Sensors FibreMini Product Specifications

Accuracy 1% of reading or 1C, whichever is greater
Mounting Type Threaded, Probe Mount
Sensitivity High (optimized for fast response to temperature changes)
IP Rating IP65
Input Optical (IR radiation via fiber optic cable)
Response Time 10 ms
Cable Length Standard 3 m (up to 30 m optional)
Weight 120 g (including fiber optic cable)
Wireless No
Product Type Infrared Temperature Sensors
Voltage 24 V DC
Features Compact design, resistant to EMI, flexible fiber optic cable, customizable probe length
Power Consumption Max 2 W
Material Stainless Steel Fiber Optic Probe, Electronic Sensor Housing
Sensor Type Infrared Fiber Optic
Interface RS485, 4-20 mA output
Resolution 0.1C
Application Monitoring temperature in metal, semiconductor, plastics and glass processes
Usage Industrial temperature sensing in confined spaces and harsh environments
Measurement Range -40C to 600C
Output Analog 4-20 mA / Digital RS485
Operating Temperature Sensor head: -20C to 80C, Electronics: 0C to 50C
Signal Type Analog & Digital
Function Non-contact temperature measurement

Product Description

Features :

General-purpose models measure temperatures from -20C to 1000C
Short-wavelength models for improved accuracy on iron, steel, and high-temperature targets from 100C to 2000C
4-20 mA or RS485 Modbus outputs
Miniature sensing head and configurable electronics module
Touch screen interface (optional)
High ambient temperature sensing head option for use in 180C ambient temperature without cooling
Data logging to MicroSD Card (optional)
Not designed or approved for fever detection

General Specifications:

Specification	Value
Temperature Range	General purpose models: -20C to 1000C
Short-wavelength models	100C to 2000C

Output	4-20 mA or RS485 Modbus (Up to 247 sensors may be installed on a single Modbus network)
Field of View	Choice of wide-angle or focused optics (see Field of View Diagrams below)
Accuracy	General purpose models: 1C or 1% of reading, whichever is greater
Short-wavelength models	2C or 1% of reading, whichever is greater
Repeatability	0.5C or 0.5% of reading, whichever is greater
Emissivity Setting	General purpose models: Adjustable, 0.20 to 1.00
Short-wavelength models	Adjustable, 0.10 to 1.00
Emissivity Setting Method	-CB models: via two rotary switches in electronics module
-BB and -BRT models	Via RS485 Modbus
-CRT and -BRT models	Via touch screen
Response Time, t90	240 ms (90% response)
Spectral Range	General purpose models: 8 to 14 m
Short-wavelength models	2.0 to 2.6 m
Supply Voltage	24 V DC 5%
Maximum Current Draw	100 mA
Max. Loop Impedance	(-CB and -CRT models) 900 (4-20 mA output)
Alarm Relays	(-CRT and -BRT models) 2 x Single Pole Changeover alarm relays, rated 24 V DC, 1 A, isolated 500 V DC

Data Logging Specifications:

Specification	Value
Data Logging Interval	1 to 86,400 seconds (1 day)
MicroSD Card	Max. capacity: 32 GB (not included, available separately)
Internal Clock Battery	1 x BR 1225 3V (not included)
Variables Logged	Target temperature, sensing head temperature, electronics module temperature, max, min, average, emissivity setting, reflected energy compensation temperature, alarm events
File format	.csv
Configurable Parameters	Sample period, number of samples, scheduled start date and time

Touch Screen Interface Specifications:

Specification	Value
Touch Screen Display Format	2.83 (72 mm) resistive touch TFT, 320 x 240 pixels, backlit
Configurable Parameters	Temperature range, temperature units, emissivity setting, reflected energy compensation, alarms, signal processing, Modbus address (-BRT models), date and time, data logging
Temperature Units	C or F configurable
Temperature Resolution	0.1
Alarm Configuration	Two alarms with adjustable level, individually configurable as HI or LO. Alarm 2 can be set to target temperature or sensing head internal temperature
Signal Processing	Average, peak hold, valley hold, minimum, maximum

Mechanical Specifications:

Specification	Value
Construction (Sensing Head)	Stainless Steel 316
Construction (Electronics Module)	Die Cast Aluminum
Major Dimensions (Sensing Head)	18(dia.) x 45(l) mm (see diagram on data sheet)
Major Dimensions (Electronics Module)	98(w) x 64(h) x 36(d) mm
Mounting (Sensing Head)	M16 x 1 mm thread
Mounting (Electronics Module)	Requires two M4 screws for wall mounting (see diagram on data sheet)
Cable Length (sensing head to electronics module)	1 m (standard), up to 30 m (optional)
Weight with 1 m cable	390 g (approx)
Cable Connections	Removable screw terminal blocks (see Connections on data sheet) Conductor size: 28 AWG to 18 AWG
Output Cable Gland	Suitable for cable diameters 3.0 to 6.5 mm

Electromagnetic Compatibility Standards:

Conforms with EN61326-1, EN61326-2-3 (Electrical Equipment for Measurement, Control, and Laboratory Use EMC Requirements Industrial)

Environmental Specifications:

Specification	Sensing Head	Electronics Module (without touch screen)	Electronics Module (with touch screen)
Environmental Rating	IP65 (NEMA 4)	IP65 (NEMA 4)
Ambient Temperature Range	General Purpose models: Ranges from 0C to 180C, depending on model (see Ordering). Short Wavelength models: 0C to 70C	0C to 60C	0C to 60C
Relative Humidity	Maximum 95% non-condensing	Maximum 95% non-condensing	Maximum 95% non-condensing
CE Marked	Yes	Yes	Yes
RoHS Compliant	Yes	Yes	Yes

Optimized for Industrial Environments

FibreMini sensors deliver reliable, non-contact temperature measurement in environments with elevated electromagnetic interference, extreme temperatures, and limited access. The robust stainless steel probe withstands harsh processes, while flexible fiber optic cabling and IP65 protection allow installation in demanding settings such as foundries, glass manufacturing, and semiconductor production.

High Precision and Fast Response

With an accuracy of 1% or 1C and a rapid response time of 10 ms, FibreMini enables precise temperature control where dynamic changes can impact product quality. Its 1.5 mm probe diameter and up to 100 readings per second make it suitable for real-time monitoring in high-speed or delicate processes.

Versatile Output and Easy Integration

Choose between analog 4-20 mA and digital RS485 outputs for seamless connection to your existing control systems. The optional external display and programmable relay alarm ensure accessible temperature data and process safety, while customizable probe lengths and mounting options facilitate tailored installation.

FAQ's of Infrared Temperature Sensors FibreMini:

Q: How does the FibreMini Infrared Temperature Sensor measure temperature without contact?

A: The FibreMini uses infrared radiation transmitted via a fiber optic cable to detect temperature changes on target surfaces, enabling non-contact measurement even in hazardous or confined industrial environments.

Q: What are the benefits of using FibreMini in metal, plastics, semiconductor, or glass processes?

A: FibreMini offers high accuracy, rapid response, and immunity to electromagnetic interference, making it ideal for monitoring precise temperature changes in processes where direct contact sensors would be unsuitable or unsafe.

Q: When should the probe shape or length be customized for my application?

A: Customizing the probe shape or length is recommended when working in uniquely shaped spaces, reaching specific monitoring points, or handling materials that require targeted sensing. Consult with the supplier to specify requirements for optimal temperature detection.

Q: Where can the FibreMini sensor be mounted for best results?

A: The sensor is designed for flexible installation using threaded mounts or probe brackets, making it suitable for placement in confined machinery, behind protective screens, or directly in process lines, depending on your industrial setup.

Q: What is the process for calibrating the FibreMini sensor?

A: FibreMini comes factory calibrated for accuracy. Users can perform on-site adjustments through the supplied interface, especially after probe customization or when integrating with new temperature control systems, ensuring optimal performance.

Q: How is the optional alarm relay output used in industrial settings?

A: The programmable relay output allows users to set temperature thresholds for automated alerts or system shutdowns, enhancing safety and preventing equipment damage during critical temperature excursions.

Q: What makes the FibreMini suitable for harsh industrial environments?

A: FibreMini is built with robust stainless steel and aluminum materials, has an IP65 rating for dust and moisture protection, and features shielded cables resistant to high temperatures and EMI, ensuring long-term durability and reliable data in challenging conditions.

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