The DTL-H high-temperature thermocouple calibration furnace replaces traditional metal-heated high-temperature calibration furnaces, offering long service life and stable temperature fields. It fully meets the technical requirements of national calibration regulations and standards, making it an ideal device for high-temperature B-type thermocouple calibration.

Technical Parameters

Model	DTL-H1700G	DTL-H1700-55G	DTL-H1700-100G
Temperature Range (℃）	800 to 1700	800 to 1700	800 to 1700
Furnace Bore Diameter (mm)	Φ30×600	Φ55×600	Φ100×600
Temperature Uniformity	Type B Standard Thermocouple Furnace: the hottest point in the furnace must not deviate more than 20 mm from the furnace center. Within ±20 mm of the hottest point, the temperature gradient must be ≤ 0.5 °C/10 mm. Type B Working Thermocouple Furnace: the hottest point in the furnace must not deviate more than 20 mm from the geometric center. Within ±20 mm of the hottest point, the temperature field must be uniform with a gradient ≤ 0.5 °C/ 10 mm.
Rated Power	3 kw	4.5 kw	6.5 kw
Controller Operating Current	40 A	50 A	70 A
Rated Voltage	220 V, 50 Hz	220 V, 50 Hz	380 V, 50 Hz
Equipped with a dedicated, stand-alone control cabinet.
Features current limiting and freewheeling protection to extend controller lifespan
Includes an emergency stop button for immediate manual shutdown
Fully automatic temperature control operates autonomously upon startup without requiring operator intervention
Provides overcurrent protection and upper current limiting to safeguard heating elements, preventing overloads caused by low impedance during power-on
Supports customization for Tungsten-Rhenium (W-Re) thermocouple calibration furnaces

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