CTi LThot
In the most demanding thermal environments, where others falter, the Optris CTi LThot stands resilient. Designed to excel in extreme ambient conditions, this robust infrared pyrometer features a sensing head engineered for unparalleled temperature resistance, operating reliably without additional cooling at ambient temperatures up to 250 °C. This critical advantage makes it the definitive choice for processes where heat is a constant, unforgiving presence.
The CTi LThot masterfully tackles high-temperature applications across diverse industries. From monitoring dryers, industrial furnaces, and heat-treating ovens to ensuring precision in plastics/textiles processing and semiconductor production, it delivers steadfast performance. Encased in a compact, durable stainless steel housing, it offers non-contact temperature measurement from –50 °C to 1050 °C within the spectral range of 8 to 14 µm, ideal for many materials including plastics and organic substances. With a swift response time down to 40 ms, it captures even rapid thermal fluctuations with industrial-standard precision and speed.
Beyond its core resilience, the CTi LThot is a powerhouse of connectivity and control. It features analog and digital outputs (including 0-4-20 mA and 0-10 V), comprehensive interfaces (USB, RS485, RS232, relay , Modbus RTU, Modbus TCP, Profinet, and EtherNet/IP ), and relay outputs. Three programmable I/Os offer versatile functionality for alarms, triggering, or external parameter adjustment. Configuration is seamless via free PC software or a mobile app. Developed, produced, and calibrated in Germany with rigorous end-of-line checks, it guarantees superior quality and accuracy. Supported by a wide range of accessories, the Optris CTi LThot is the robust, reliable solution for the harshest industrial landscapes.
CTi LThot — Important Features
- - Temperature range: -50 °C to 1050 °C
- - Spectral range: 8 to 14 µm
- - Response time: down to 40 ms
- - High operating temperature rating up to 250 °C
The Optris CTi LThot pyrometer is engineered to thrive in extreme conditions within high-temperature environments, boasting exceptional temperature resistance of the sensing head. Operating in ambient temperatures of up to 250 °C without additional cooling presents no challenges for this infrared thermometer, making the pyrometer particularly suitable for integration into machines across various applications, including dryers, furnaces, heat-treating processes, plastics and textiles processing, and semiconductor production.
The Optris CTi LThot series offers temperature measurement capabilities ranging from –50 °C to 1050 °C with a response time down to 40 ms. Selectable 10:1 or 2:1 optics and a compact sensor head size further enhance its versatility.
The separate control box of the CTi LThot provides high variability with selectable analog outputs and several digital interfaces. Its unique advantages for installation in applications with high surrounding temperatures stem from a robust and ambitious design, allowing operation of the sensing heads for temperatures up to 250 °C without additional cooling. The compact stainless steel housing, measuring 29 mm in diameter and 55 mm in length, ensures durability in harsh conditions. The infrared pyrometer minimizes thermal gradients along the sensor head, optimizing thermal shock resistance for accuracy and repeatability in rapidly changing ambient temperatures.
Manufactured in Germany to meet stringent quality requirements, these pyrometers undergo meticulous calibration to government standards such as PTB or NIST. Customization options, including different cable sizes, are available for large-quantity OEM customers. Optris offers comprehensive support, including consultation on industrial applications and after-sales assistance. Additionally, upon request, the IR thermometers can be provided in an explosion-safe design with an ATEX certificate.
The adaptability of the Optris CTi LThot series is further emphasized by the range of analog and digital outputs provided by the electronics box, including 0/4 – 20 mA, 0 – 5 V, 0 – 10 V, thermocouple (type K), USB, RS485, RS232 interface, relay outputs (2 x optically isolated), Modbus RTU, Modbus TCP, Profinet, and EtherNet/IP. This adaptability facilitates seamless integration into machinery, enhancing utility across various applications.
The Optris CTi LThot series sets an industrial standard for non-contact temperature measurement, emphasizing precision and speed. Featuring a two-piece design, an optical resolution of up to 10:1, this infrared thermometer is optimized for efficient monitoring across diverse industrial applications. Its exceptional temperature resistance, precise non-contact temperature measurement, and adaptability underscore its utility and reliability in critical industrial processes. Optional accessories, such as mounting forks, sighting tubes, close-focus lenses, air purge accessories, and cooling jackets, further enhance its functionality, offering tailored solutions for varied industrial scenarios. In summary, the Optris CTi LThot series pyrometer combines precision, adaptability, and durability to facilitate non-contact temperature measurements in diverse industrial applications.
Popular Model Codes:
| 1. Range: -50-1050 °C |
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The Optris CTi LTfast pyrometer quickly captures non-contact temperature data remotely. Its remarkably short response time of 6 ms makes it an ideal choice for applications requiring speedy measurements. Whether in industrial processes demanding rapid assessments or research settings mandating precise temperature control, the CTi LTfast pyrometer delivers consistent performance. Its adaptability and accuracy are tailored to be the sensing input for fast control loop applications. It offers fast analog output options with smart data processing, alongside instant digital output with a response time of 4 ms (50% signal). Additionally, its rugged construction allows operation in ambient temperatures of up to 125 °C without the need for cooling, ensuring resilience in challenging conditions.
- - Temperature range: -50 °C to 1050 °C
- - Spectral range: 8 to 14 µm
- - Response time: 6 ms (% signal)
- - High Distance-to-spot size ratio of up to 25:1
Engineered in Germany for reliability, the Optris CTi LT series is a breakthrough in compact, high-performance infrared temperature measurement. These pyrometers feature one of the world’s smallest sensing heads along with strong industrial capabilities. They deliver precise non-contact temperature monitoring for even the toughest applications.
The CTi LT has a superior 8–14 µm spectral bandwidth. It is best for measuring high-emissivity materials and low-temperature targets with great accuracy. With a wide measurement range from -50 °C to 1050 °C, it works well for non-reflecting objects in various industrial processes. Additionally, its excellent optical resolution of up to 22:1 ensures accurate readings of small or distant targets while reducing background interference.
Built to withstand tough conditions, the CTi LT operates reliably at ambient temperatures up to 180 °C without requiring external cooling. Moreover, its special thermal-shock-resistant design ensures long-term stability, repeatability, and accuracy. The device allows for flexible integration using configurable analog and digital outputs, including industrial protocols like Modbus RTU, Modbus TCP, Profinet, and EtherNet/IP. Additionally, setting it up is easy with the free CompactPlus Connect PC software or the IR mobile app for Android.
Developed, produced, and factory-calibrated in Germany, the CTi LT comes with a range of accessories. In addition to mounting forks, sighting tubes, and close-focus lenses, these include air purge systems to suit any industrial environment. Whether used for plastics, coatings, electronics, or automotive manufacturing, the Optris CTi LT offers a dependable, precise, and versatile solution for critical temperature monitoring.
CTi LT — Important Features
- - Temperature range: -50 °C to 1050 °C
- - Spectral range: 8 to 14 µm
- - Response time: up to 40 ms
- - High ambient temperature rating up to 180 °C
- - Higher Distance-to-spot size ratio of up to 22:1
- - Unique thermal shock-resistant design for best repeatability and accuracy
The Optris CTi 1M pyrometer accurately measures temperatures from 350 °C to 2200 °C across different variants. Its specialized spectral range, compact size, and rapid response time make it well suited for hot-metal temperature measurement applications. These pyrometers are ideally suited for employment in high-temperature measurements of metals, metal oxides, and ceramics. The infrared pyrometer’s short measurement wavelength of 1.0 µm further reduces measurement errors caused by low or varying emissivity. Optris particularly recommends short-wavelength pyrometers due to their robustness against these influences, ensuring stable and reliable performance, especially in hot-metal processing applications. The pyrometer series offers adaptability with various versions offering different temperature ranges and analog or digital outputs. Optional accessories enhance functionality, meeting diverse industrial needs.
- - Temperature range: 350 °C to 2200 °C
- - Spectral range: 1.0 µm
- - Response time: 320 µs
- - Exposure time: 110 µs
