CS LT

The infrared pyrometer optris CS LT is ideally suited for non-contact temperature measurements in small and narrow environments. The robust sensing heads measure temperature from -50 °C to 1030 °C. With a high distance-to-spot size ratio of 15:1, the CS LT offers small spot sizes from far distance. The inexpensive pyrometers are designed for machine builders and integration into manufacturing equipment. The unique thermal shock-resistant design of the infrared thermometer ensures correct temperature measurement even in challenging applications when ambient temperatures are changing and, therefore, sets itself apart from other low-budget sensors on the market. The programmable analog voltage, thermocouple K, digital alarm output, and digital input allow simple and straightforward integration into machinery and manufacturing equipment.

  • Temperature range: -50 °C to 1030 °C
  • Spectral range: LT: 8 to 14 µm
  • Response time: Fast response down to 14 ms
  • Analog voltage, digital alarm, or thermocouple K output
  • Distance-to-Spot size ratio: 15:1
  • M12x1 stainless steel housing

The CS LT Pyrometer is an advanced yet budget-friendly infrared sensor, designed to offer dependable and cost-effective temperature measurements. The pyrometer delivers precise, non-contact temperature measurements for a wide range of industrial applications. Equipped with a thermopile detector, the CS LT Pyrometer operates within a spectral bandwidth of 8-14µm, making the infrared sensor an excellent choice for measuring high-emissivity targets, even at low temperatures.
The Optris CL LT Pyrometer is versatile and widely used across numerous applications, and is commonly employed in the thermoforming process of foil, plastic processing, machine condition monitoring, and overheating equipment alarms. Additionally, this infrared sensor serves as an invaluable tool for preventive electrical maintenance, helping to detect potential outages.

With a high distance-to-spot size ratio of 15:1, the CS LT Pyrometer ensures accurate measurements of small spot sizes from a distance, covering a temperature range from -50 °C to 1030 °C. These cost-effective pyrometers are ideal for machine builders and manufacturing environments, supporting analog voltage, digital alarms, serial communication over RS232, and thermocouple (type K) outputs, seamlessly integrating temperature data into control systems.
Due to its low pricing and ease of use, the CS LT Pyrometer has become a popular alternative to traditional contact-based temperature sensing applications.

The CS LT Pyrometer stands out due to its low pricing and ease of use, making the infrared sensor a popular alternative to traditional contact-based temperature sensors. The unique thermal shock-resistant design ensures reliable measurements even in challenging conditions, unlike other low-budget sensors. The robust stainless steel measuring head, with an M12x1 thread, is easy to install in tight hot spaces without extra cooling, up to 80 °C. The compact sensing head measures just 85 mm in length and 12 mm in diameter. Additionally, the LED lighting on the back of the sensor serves as a visual alarm or error indicator, enhancing its functionality and reliability.
Configuration, fine-tuning settings, and the setup of the sensor are supported through the optional USB kit and the Compact Connect software, available for free download. Additionally, the USB kit and software offer convenient recording of temperature measurements over time. For quick commissioning, temperature measurements and changes over time can also be displayed on the Optris IR mobile app, available for free on Google Play.
The CS LT pyrometer can also be equipped with Optris accessories, including air purging, a laser sighting tool, mounting flanges, and close-focus optics. These accessories enable temperature measurements of small spot-size targets from a close distance.

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.

Detector
ModelCS LT
DetectorThermopile
Measurement PrincipleSingle Color
Spectral Range8 – 14 μm
Response Time / Exposure Time25 ms / 14 ms
Sampling Frequency70 Hz
Measurement
Object Measurement Range-50°C ... 1,030°C
Accuracy± 1.5% or ± 1.5°C
Repeatability± 0.75% or ± 0.75°C
Thermal Sensitivity (NETD)50 mK
Emissivity / Transmissivity0.100 – 1.100
Optical & Sighting
Distance to Spot ratio (D:S)15:1
Spot size (SF optics)26.7 mm at 400 mm
Other optics (SF + CF)0.8 mm at 10 mm
SightingNone (Laser/Video)
Interfaces & Signal Processing
Direct output/input0-10V, 0-5V, 0-1V, T/C type K, Open collector
Interface (Optional)USB via Optris CS Kit
CapabilitiesAverage, Peak/Valley hold, Advanced peak hold, Triggered functions
Cable length1 m (standard), 3 m, 8 m, 15 m
General & Mechanical
Size / Housing Material$Ø12 \times 85$ mm, M12x1 / Stainless Steel
Weight58 g
Operating Temperature-20°C ... 80°C
Protection ClassIP 65, NEMA 4
Power Supply5-30 V DC

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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).

  • CS LT with 1m cable
  • 2x mounting nuts
  • Quick start guide