The CSmicro LTH pyrometer is a prime choice for infrared temperature measurements in industrial environments. Its special thermopile detector enables precise non-contact temperature sensing across a broad 8-14µm spectrum, particularly excelling with high-emissivity targets in a temperature range from -50 °C to 1030 °C. Unlike its counterpart, the CSmicro LT, the LTH variant offers a higher distance-to-spot size ratio of up to 22:1 and an extended operating temperature of up to 180 °C without cooling. Its rugged miniature design ensures resilience in harsh conditions and is optimized for thermal shock resistance, guaranteeing accuracy and repeatability. This makes it an indispensable thermal sensor as a control loop input in diverse sectors such as thermoforming, plastic processing, and manufacturing.
The CSmicro LTH pyrometer is meticulously designed for precise temperature measurement in industrial settings, boasting unrivaled accuracy. Utilizing a specialized thermopile detector, this cutting-edge device is adept at detecting temperatures within the 8-14µm spectrum, specifically tailored for high-emissivity targets spanning from -50 °C to 1030 °C.
Setting a new standard in performance, the CSmicro LTH distinguishes itself with a higher distance-to-spot size ratio of up to 22:1, ensuring precise measurements even at a distance. Its remarkable design extends the pyrometers operating temperature range to 180 °C without the need for cooling, guaranteeing reliability in the most demanding conditions.
Crafted with robustness in mind, the CSmicro LTH boasts a compact build and exceptional thermal shock resistance, ensuring longevity and consistent performance in harsh industrial settings. Its versatility makes this infrared pyrometer indispensable across various sectors, including thermoforming, plastic processing, food production, heavy industry, quality control, manufacturing, and machine condition monitoring.
At the forefront of preventive maintenance, the CSmicro LTH serves as a vital thermal sensor, providing crucial insights for optimizing processes and ensuring equipment reliability. Trust in the CSmicro LTH to deliver unparalleled precision and reliability, empowering your operations to excel in efficiency and performance.
The CSmicro LTH series is a versatile lineup, offering a range of options to suit diverse measurement requirements. With multiple versions available, users can select from various optics, distance-to-spot size ratios, and output types to tailor the pyrometer to their specific needs.
This series supports analog outputs such as 4-20 mA or 0/5-10V voltage output, as well as digital alarms and serial communication via RS232, facilitating seamless integration into existing control systems. For added convenience, versions with mA output also feature support for two-wire-output operation, dynamically adjusting the electrical current in the ground loop line based on the measured temperature.
Additionally, the availability of different lens options, including close-focus or standard-focus optics, enhances the versatility of the CSmicro LTH series, making the infrared sensor adaptable to a wide range of applications.
Beyond its precision in temperature measurement, the CSmicro LTH stands as a stalwart instrument crafted to endure the rigors of challenging environments. Engineered with a distinctive thermal shock-resistant design, the infrared pyrometer maintains unwavering accuracy amidst volatile ambient temperature shifts, ensuring reliable performance in adverse conditions.
Crafted from robust stainless steel, the measuring head of the CSmicro LTH features an M12x1 thread, facilitating effortless installation even in cramped, high-temperature environments. This adaptability enhances its versatility and fortifies its durability, making the IR sensor a dependable asset across various industrial settings.
With its intelligent LED display, the CSmicro LTH offers a suite of functions designed to enhance usability and efficiency. From alarm signaling to target support, self-diagnosis, and temperature-code display, this pyrometer provides a comprehensive range of features to streamline temperature monitoring processes.
Additionally, electronic components strategically placed within the cable contribute to the measuring head’s resilience to high temperatures, further ensuring reliable performance in demanding industrial environments.
The CSmicro LTH pyrometers capabilities can be further enhanced with optional accessories tailored to specific needs. Accessories such as air purging systems, mounting flanges, and close-focus optics enable expanded functionality, enabling precise temperature measurements of small spot-size targets from close distances. These optional add-ons provide versatility and customization, allowing users to optimize the CSmicro LTH pyrometer for their unique applications.
These pyrometers are designed and manufactured in Germany, carefully calibrated to government standards such as PTB or NIST. For large-quantity OEM customers, customization options, such as different cable sizes, are available. As with all Optris products, application engineers are on hand to discuss industrial applications and provide after-sales support.
| MODEL | CSmicro LT15 H | CSmicro LT22 H |
| DETECTOR | ||
| Detector | Thermopile | |
| Measurement Principle | Single Color | |
| Spectral Range | 8 – 14 µm | |
| Response Time | 150 ms | |
| Exposure Time | 150 ms | |
| Sampling Frequency | 7 Hz | |
| Exchangable Sensing Head | N/A | |
| OPTICAL | ||
| Distance to Spot ratio (D:S) | 15:1 | 22:1 |
| Spot size (SF optics) | 26.7 mm at 400 mm | 50 at 1100 mm |
| Other optics (FF/CF optics / add. CF lens) | CF: 3.4 mm at 50 mm | SF + CF: 0.6 mm at 10 mm CF: 2.3 mm at 50 mm |
| Focus | fixed | |
| SIGHTING | ||
| Laser Sighting | none | |
| Video Sighting | none | |
| MEASUREMENT | ||
| Object Measurement Range | -50°C ... 1,030°C | |
| Accuracy | ± 1% or ± 1°C **2) | |
| Repeatability | ± 0.5 % or ± 0.5 °C **2) | |
| Temperature Coefficient | ± 0.05 K/K oder ± 0.05 % / K **3) | |
| Thermal Sensitivity (NETD) | 50 mK | |
| Warm-up time | 10 min | |
| Emissivity /Transmissivity/ Reflectivity | 0.100 – 1.100 | |
| Slope | N/A | |
| INTERFACES | ||
| Interface | Optional: USB programming interface via optris CS kit | |
| Supported Protocols | Optional: USB 2.0 | |
| Compatible Software | Compact Connect, IRmobile | |
| ANALOG INPUT/OUTPUT | ||
| Direct output/input | 0-10V; 0-5V; 0-1 V; or 4-20 mA | |
| Output impedances | N/A | |
| Cable length | 0.5 + 0.5 m (standard), 3 m, 6 m | |
| SIGNAL PROCESSING | ||
| Configuration | via optris CS kit and Compact Connect or IRmobile | |
| Operation | Autonomous Standalone | |
| Capabilities | Average, Peak hold, Valley hold, Advanced peak hold with threshold and hysteresis, Triggered signal output, Triggered peak hold function (adjustable via software) | |
| GENERAL | ||
| Size | Ø12mm x 35 mm, M12x1 | |
| Housing Material | Stainless Steel | |
| Weight | 58 g | |
| Country of Origin | Germany | |
| ENVIRONMENTAL & CERTIFICATIONS | ||
| Operating Temperature Range | Sensing head: -20 °C ... 180 °C Electronics: -20 °C ... 80 °C **4) |
|
| Storage Temperature Range | -40 °C ... 85°C | |
| Relative humidity | 10 – 95%, non condensing | |
| Protection Class | IP 65, NEMA 4 (except terminal connector) | |
| EMC | 2014/30/EU | |
| Shock | IEC 60068-2-27 (25 G and 50 G) | |
| Vibration | IEC 60068-2-6 (sinus shaped) IEC 60068-2-64 (broadband noise) |
|
| Standards | CE, UKCA, RoHS | |
| POWER | ||
| Power Supply | 5-30 V DC | |
| Power Consumption | < 50mW | |
| Current Draw | 9 mA (mV version) | |





The Optris CompactConnect software improves the functionalities of Optris fixed infrared pyrometers, offering various monitoring, analysis, and control features beyond basic temperature measurement. It includes features like visualizing temperature trends with temperature-time diagrams and documentation. The software enables data logging, automatic process controls, parameterization of the pyrometer via configuration settings, and setting up programmable outputs and inputs. Additionally, it provides advanced signal-processing functionalities.
The Optris IR mobile allows users to set up and commission an Optris infrared pyrometer or infrared camera with an Android smartphone or tablet. This tool becomes handy for commissioning and aligning the infrared cameras field of view or adjusting the configuration. The app analyzes the connected infrared cameras live infrared image stream with auto hot and cold spot detection. For pyrometers, a temperature-time diagram or the video signal is displayed. This app works on most Android devices running 5.0+ with a USB port supporting USB-OTG (On The Go).