DM401

Infrared thermometer (pyrometer) for high-temperature measurements of metals, metal oxides, and ceramics

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SKU: DM401

Highlights

Measuring Principle/ sensor type: Non-contact infrared temperature sensors
Measuring/Operating Range: DM 1ML: 485 to 1800°C; DM 2ML: 250 to 1600°C; DM 1MH: 650 to 1800 °C
Accuracy: ±(0.3 % of reading +2°C)
Short response time of 1 ms
Spectral range: 1 or 1.6 μm

Fields of application

Temperature measurements requiring short measuring wavelengths
Precise and reliable measuring of metallic suraces in metal processing (e.g. welding, sintering) as well as metal oxides and ceramics

Details

Due to the short measuring wavelength and the high temperature range of up to 2200°C the pyrometers of the DM401 series are ideally suited for high-temperature measurements of metals, metal oxides, and ceramics. The small sensor head allows for easy installation in limited and cramped spaces. Moreover, it reliably measures temperatures even in ambient temperatures of up to 125°C.

General Information

More Information
Measuring principle	Infrared
Measurement temperature range	DM 1ML: 485 to 1800 °C; DM 2ML: 250 to 1600 °C; DM 1MH: 650 to 1800 °C
Sensor accuracy	± 0.3 % of reading +2 °C
Display type	LCD-display
Smallest measuring spot	DM 1ML: Ø 2.7 mm @ 110 mm; DM 2ML: Ø 2.7 mm @ 110 mm; DM 1MH: Ø 1.5 mm @ 110 mm
Spectral range	1 or 1.6 μm
Distance Spot ratio	DM401 1ML: 40:1; DM401 2ML: 40:1; DM401 1MH: 75:1
Transmissivity range (min/max)	0.100 to 1.100
Response time	1 ms
Configuration	Fixed

Input / Output

More Information
Output	0(4)…20 mA, 0 to 5 to 10 V, thermocouple J, K; alarm output 24 V/ 50 mA (open collector)
Communication protocol	Serial interface or ASCII protocol USB, RS232, RS485, CAN, Profibus DP, Ethernet (optional plug-in modules)
Resolution	Optical resolution: 40:1

Mechanical Data