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Models in the series

One column per model: what differs between the models of the series.

Models of thermoMETER CTfast compared by parameter
Parameter CTF-SF25-C3 eli-m-3e116e098aaae4554c56f75b
Interfaces ethernet
source_linearity_basis The manufacturer publishes system accuracy and repeatability, not a separate linearity value; no unsupported linearity figure is inferred.
Protection class (DIN EN 60529) ip65
ADC sampling rate 166.7 samples/s
Operating temperature -20–120 °C
Temperature measuring range -50–975 °C
quantity_specification -50 to 975 C; 25:1 optics; ±0.75% or ±0.75 C repeatability; 0.4 C temperature resolution.
source_sampling_rate_basis 6 ms 90% analog response time for CTF-SF25 (166.7 Hz equivalent)
interface_specification Analog 0-10V
Status Active
Datasheet PDF — CTF-SF25-C3 (opens in a new tab)

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It targets non-contact temperature measurement in high-speed processes, using a small sensor head and a separate controller with programming keys.

No. The stated 15:1 or 25:1 ratios describe optical resolution, or distance-to-spot ratio, rather than temperature measurement error.

The page lists −50 to +975°C target temperature. This does not establish the head or controller ambient-temperature limit.

The manufacturer lists 15:1 and 25:1 distance-to-spot ratios. Match working distance and target size using the selected model’s spot curve.

It uses a separate controller with programming keys. Install head and controller within their individual limits and select the appropriate acquisition output.

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