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Endurance Infrared Pyrometer in induction heating application
ProductsInfrared Temperature SolutionsPyrometersEndurance Series

Endurance® High Temperature Infrared Pyrometers

Innovative, high performance infrared pyrometers built for the harshest environments

Endurance Pyrometer
Endurance Series Ratio IR Pyrometers
Endurance Glasfaser-Pyrometer
Endurance Infrarotsensor
Bedienfeld des Endurance Pyrometers
Endurance Pyrometer im ThermoJacket-Schutzgehäuse

See and understand your process temperature data

  • Improve process control with wide choice of spectral ranges and focus distances designed specifically for your application
  • Available in single color, two-color and fiber-optic models
  • Reduce installation time by getting the sensor emissivity right within seconds
  • Minimize maintenance costs by using accessories that were designed for industrial applications

Designed to handle wider temperature ranges with superior optical resolution. Profinet, Ethernet, EtherNet/IP, RS-485 and analog output is available to meet your process requirements. Endurance® series sensors are rugged, small and easy to install.

Ask us about our pyrometers
  • At a Glance
  • Technical Specs
  • Applications
  • Accessories
  • Resources

The Fluke Process Instruments Endurance® series has been designed to meet the requirements of modern industry that allows you to integrate with all major control systems quickly, easily and seamlessly.

The advanced optional camera feature for the Endurance integrated sensors allows you to continuously monitor your process visually, while the LED sighting option permits to see the spot size on the target and make sure you have a clean line of sight to the target. The match function takes the guesswork out of setting the emissivity.

The innovative Endurance Series of low-temperature and high-temperature two color pyrometers meets all requirements of modern industry: it is flexible and easy-to-install; durable to withstand the most demanding harsh industrial environments; visual – allowing you to see and understand your process temperature data.

The Endurance Series is supported by the best-in-class 4 year warranty.

Key Features:

  • Single color, two color and fiber optic models
  • Read temperature ranges from 50 to 3200 °C (122 to 5792 °F)
  • Withstands ambient temperatures up to 65 °C (149 ºF) for integrated sensors and 315 ºC (599 ºF) for fiber-optic sensors without cooling
  • Spot sizes down to 0.6mm (0.02 inch)
  • Superior optical resolution to 300:1
  • Easy adjustment with manual variable focus integrated head optics
  • Sighting options: through-the-lens sighting, with optional laser, LED or video aiming function
  • Compact, rugged steel housing housings with IP65 (NEMA-4) rating
  • Profinet and EtherNet/IP options
  • Programmable relay output for control

Endurance fiber-optic pyrometers allow measurement of targets that would otherwise be inaccessible because of space constraints or harsh environments. Separated by a flexible fiber-optic cable, the optical head may be positioned near the target with the rugged electronics housing installed remotely in a convenient location. Fiber-optic sensors are completely non-conductive and offer improved immunity to RFI and EMI interference.

Endurance companion software allows you to archive your process temperatures for data analysis and sensor setup.

Endurance meets the requirements of Digital Industry. It is designed to measure product temperature in the harshest of environments and communicate the results back to control system or monitoring stations. This stainless steel housed pyrometer can be specified with the widest range of communication interfaces from rugged analogue isolated input/output through to fast LAN/Ethernet and RS485.

Endurance Integrated Pyrometers Specifications

Model Number
E1R
E2R
E1M
E2M
E3M
Temperature Range
E1RL
600 to 1800 °C
(1112 to 3272 °F)
(2 color mode)
550 to 1800 °C
(1022 to 3272 °F)
(single color mode)
E1RH
1000 to 3200 ºC
(1832 to 5792 ºF)
E2RL
250 to 1200 ºC
(482 to 2192 ºF)
E1ML
400 to 1740 ºC
(752 to 3164 ºF)
E1MH
540 to 3000 ºC
(1004 to 5432 ºF)
E2ML
250 to 1100 ºC
(482 to 2012 ºF)
E2MM
250 to 1400 ºC
(482 to 2552 °F)
E2MH
450 to 2250 ºC
(842 to 4082 ºF)
E3ML
50 to 1000 ºC
(122 to 1832 ºF)
E3MH
150 to 1800 ºC
(302 to 3272 ºF)
Spectral Response
1.0 μm nominal
one/two color
1.6 μm nominal
one/two color
1.0 μm nominal
single color
1.6 μm nominal
single color
2.4 μm nominal
single color
Accuracy*
E1RL
±(0.5 % 2 °C)
no attenuation
E1RH
±(0.5 % 2 °C) for
Tmeas < 3000°C (5432°F)
no attenuation
Temperature indication
only for Tmeas ≥ 3000°C
(5432 °F)
E2RL
±(0.5 % 2 °C) for
Tmeas ≥ 270°C (518°F)
no attenuation
Tmeas in °C
E1ML
±(0.3 % 1 °C) for
Tmeas ≥450°C (842°F)
±(2 % 2 °C) for
Tmeas <450°C (842°F)
E1MH
±(0.3 % 1 °C) for
Tmeas ≥ 650°C (1202°F)
±(2 % 2 °C) for
Tmeas < 650°C (1202°F)
E2ML
±(0.3 % 2 °C)
E2MM
±(0.3 % 2 °C) for
Tmeas ≥ 350°C (662°F)
±(1 % 2 °C) for
Tmeas <350°C (662°F)
E2MH
±(0.3 % 1 °C)
E3ML
±(0.3 % 1 °C) for
Tmeas ≥ 100°C
±(1 % 2 °C) for
Tmeas < 100°C
E3MH
±(0.3 % 1 °C)
Repeatability*
±(0.3 % 1°C)
no attenuation
Tmeas in °C
±(0.3 % 1°C) for
Tmeas ≥ 270°C (518°F)
no attenuation
Tmeas in °C
E1ML
±(0.1 % 1 °C) for
Tmeas ≥450°C (842°F)
±(1 % 1 °C) for
Tmeas <450°C (842°F)
E1MH
±(0.1 % 1 °C) for
Tmeas ≥ 650°C (1202°F)
±(1 % 1 °C) for
Tmeas < 650°C (1202°F)
E2ML
±(0.1 % 1 °C)
E2MM
±(0.1 % 1 °C) for
Tmeas ≥ 350°C (662°F)
± (1% 1°C) for
Tmeas <350°C (662°F)
E2MH
± (0.1 % 1 °C)
E3ML
±(0.1 % 1 °C) for
Tmeas ≥ 100°C (212°F)
±(1 % 1 °C) for
Tmeas < 100°C (212°F
E3MH
± (0.1 % 1 °C)
Response Time
10 ms (95 %)
20 ms (95 %)
2 ms (95 %)
2 ms (95 %)
20 ms (95 %)
Optical Resolution (D:S)
E1RL - 100:1
E1RH - 150:1
E2RL - 75:1
E1ML - 160:1
E1MH - 300:1
E2ML - 160:1
E2MM - 160:1
E2MH - 300:1
E3ML - 100:1
E3MH - 300:1
Lens Options
600 mm – ∞ (24” – ∞) (F2), 300 - 600 mm (12 - 24”) (F1), 190-300 mm (7.5 - 12”) (F0)
Temperature Resolution
Digital Output 0.1 °C, Current Output <0.03 °C / 16 bit
Emissivity
0.100 to 1.100
Signal Processing
Peak Hold, Valley Hold, Averaging, Ambient background temperature compensation
E-Slope
0.850 to 1.150
N/A
Standards and Compliance EC – Directive 2014/30/EU – EMC
EC – Directive 2011/65/EU – RoHS Compliance amended by Directive (EU) 2015/863
EN 61326-1: 2013 - Electrical measurement, control and laboratory devices - Electromagnetic susceptibility (EMC)
EN 50581: 2012 - Technical documentation for the evaluation of electrical products with respect to restriction of hazardous substances (RoHS)
KCC
* at ambient temperature 23 °C ± 5 °C (73 °F ± 9 °F), emissivity = 1.0 and calibration geometry, Tmeas in °C

 

Endurance Fiber-optic Pyrometers Specifications

Model Number
EF1R
EF2R
EF1M
EF2M

Temperature Range

EF1RL
500 to 1100 °C
(932 to 2012 °F)
EF1RM
700 to 1500 °C
(1292 to 2732 °F)
EF1RH
1000 to 3200 ºC
(1832 to 5792 ºF)
EF2RL
275 to 1300 ºC
(527 to 2372 ºF)
EF2RH
350 to 1300 ºC
(662 to 2372 ºF)
EF1ML
475 to 900 ºC
(887 to 1652 ºF)
EF1MM
800 to 1900 °C
(1472 to 3452 °F)
EF1MH
1200 to 3000 ºC
(2192 to 5432 ºF)
EF2ML
250 to 800 ºC
(482 to 1472 ºF)
EF2MH
400 to 1700 °C
(752 to 3092 °F)
Spectral Response
1.0 μm nominal
one/two color
1.6 μm nominal
one/two color
1.0 μm nominal
single color
1.6 μm nominal
single color
Optical Resolution (D:S)
(95 % energy)
EF1RL - 20:1
EF1ML - 40:1
EF1RH - 65:1
EF2RL - 20:1
EF2RH - 40:1
(90 % energy)
EF1ML - 20:1
EF1MM - 100:1
EF1MH - 100:1
EF2ML - 20:1
EF2MH - 40:1
System Accuracy
±(0.3 % Tmeas. 2 °C)
no attenuation
±(0.5 % Tmeas. 2 °C)
no attenuation
±(0.3 % Tmeas. 2 °C)
Repeatability
±1 °C (±2 °F)
no attenuation
±1 °C (±2 °F)
no attenuation
±1 °C (±2 °F)
Response Time
10 ms (95 %)
25 ms (95 %)
2 ms (95 %)
Sighting
Laser Optional (depending on the model)
Temperature Resolution
Digital Output 0.1 °C, Current Output <0.03 °C / 16 bit
Emissivity
0.100 to 1.100
Signal
Processing
Peak Hold, Valley Hold, Averaging, Ambient background temperature compensation
E-Slope
0.850 to 1.150
N/A
Standards and Compliance EC – Directive 2014/30/EU – EMC
EC – Directive 2011/65/EU – RoHS Compliance amended by Directive (EU) 2015/863
EN 61326-1: 2013 - Electrical measurement, control and laboratory devices - Electromagnetic susceptibility (EMC)
EN 50581: 2012 - Technical documentation for the evaluation of electrical products with respect to restriction of hazardous substances (RoHS)
KCC

Endurance pyrometers can be used across numerous industries and are ideal for process and product monitoring in applications spanning metals, plastics, glass and many others. Several examples of where Endurance IR sensors can be used include, but are not limited to, the following list below. Click here if you would like to speak with an expert to discuss your application

Endurance Integrated Pyrometers Applications

Endurance Model
Spectral Response		 Applications
E1R
1.0 μm nominal one/two color
 High temperature, more difficult processes: blast furnaces, hot rolling mills, induction heating, vacuum furnaces, kilns, molten metals, thin wires or rods
E2R
1.6 µm nominal one/two color
 Medium temperature processes: induction heating, vacuum furnaces, kilns, molten metals, thin wires or rods, glass fiber production
E1M
1.0 µm nominal single color
 Semiconductor, metals forging, hardening & molten glass, glass vial and syringe production
E2M
1.6 µm nominal single color
 Ferrous, non ferrous and unoxidized metals, galvanizing lines & steel annealing, small targets such as in wire coating & annealing, plastic tubing extrusions
E3M
2.4 µm nominal single color
Ferrous, non ferrous and unoxidized metals, galvanizing lines & steel annealing

 

Endurance Fiber-optic Pyrometers Applications

Endurance Model
Spectral Response		 Applications
EF1R
1.0 µm nominal one/two color
 Metals processing: molten metal forging, heat treating and annealing, continuous casting, induction heating, lightbulb and halogen lamp production, cement and lime kilms, vacuum furnaces, thin wires or rods, aluminum processing
EF2R
1.6 µm nominal one/two color
 Metals processing: metal forging, heat treating and annealing, induction heating, cement and lime kilms, vacuum furnaces, thin wires or rods,
EF1M
1.0 µm nominal single color
 Metals processing, metal forging, hot rolling mills, heat treating and annealing, induction heating, glass melting, semiconductor furnaces
EF2M
1.6 µm nominal single color
 Ferrous and non-ferrous metals, galvanizing lines, metals processing, molten metal forging, hot rolling mills, heat treating and annealing, induction heating

The standard Endurance model includes a mounting nut, fixed bracket, end cap for display, operator’s manual and Endurance software. Additional accessories are available; for the full list, please refer to the Endurance Accessory datasheet under the Resources tab.

Accessories for Endurance Integrated Pyrometers
  • Adjustable bracket (E-AB)
  • Air purge collar (E-AP)
  • SpotScan™ Accessory (SSA or SSB) to allow Endurance sensors to scan over a line
  • ThermoJacket enclosure for ambient temperatures to 315 °C (E-TJ1), see ThermoJacket documentation.
  • Polarizing filter end cap (E-PFEC)
  • Terminal block (E-TB)
  • Switching power supply 24 VDC 1.3 A industrial power supply, DIN rail mount (E-SYSPS)
  • Switching power supply in NEMA 4 (IP65) enclosure 100/240 VAC to 24 VDC, 1.1 A (E-PS)
  • Power over Ethernet (PoE) Injector provides power and acts as a single Ethernet hub (100/240 VAC input) (E-PoE)
  • USB/RS485 Converter (E-USB485)
  • Protective front window including O-ring (E-PW)
Accessories for Endurance Fiber-optic Pyrometers
  • Adjustable bracket (E-FOMB)
  • Air purge collar and stainless steel sighting tube, 150 mm (6 in.) long, 25 mm (1 in.) diameter. (E-FOHAPA)
  • Rooftop Mounting/Purging available with flange or gravity-held base (E-FORFMC) and quickrelease fitting for optical head, sapphire window, stainless steel pipe-cap or flanged mounting base. (E-FORFMF)
  • Aiming-light (battery powered) for fiber-optic front end (ships standard with all units). This is best suited for “L” range models. Includes adapter to fiber cable (E-FAFAL)
  • Rugged fiber-optic roof mount air purge, with quickrelease fitting and sapphire window (E-FORFQP)
  • Protective Sapphire window mounted in stainless steel bezel (E-BF1WINDOW)
  • High temperature fiber-optic housing with air-knife purge and sapphire protective window, 3 meter air/protection hose. For extreme environments. Ambient Temperature ≤ 450 ºC (842 ºF)(E-FOXH3)
  • High temperature fiber-optic housing with air-knife purge and sapphire protective window, 6 meter air/protection hose. For extreme environments. Ambient Temperature ≤ 450 ºC (842 ºF) (E-FOXH6)
  • Electronics box cooling plate for ambient applications up to 150 °C (300 °F) (E-CP)
  • Terminal block (E-TB)
  • Switching power supply 24 VDC 1.3 A industrial power supply, DIN rail mount (E-SYSPS)
  • Switching power supply in NEMA-4 enclosure NEMA-4 100 / 240 VCA, 24 VDC, 1.1 A (E-PS)
  • Power over Ethernet (PoE) Injector provides power and acts as a single Ethernet hub (100/240 VAC input) (E-PoE)
  • USB/RS485 Converter (E-USB485)
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