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Product Code: DDM 900
Brand: Dostmann
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Specifications:
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Measuring range
от -200°C до 962°C (согласно ITS-90)
от -200°C до 850°C (согласно DIN EN60751)
Accuracy
1 mK
Measurement range
Pt25: 10 мК (5 мК -50°C...+250°C)
Pt100: 10 мК (5 мК -50°C...+250°C)
Display resolution
LCD, LED backlight, 2 lines ¨¤ 16 characters, height 9 mm
Measurement channels
2 (optionally up to 81 with external multiplexers)
The DDM 900 is designed for the precise temperature measurements required for use in calibration laboratories and quality assurance. Operating menu oriented, alternatively controlled from your PC
Technical data
Measuring range
от -200°C до 962°C (согласно ITS-90)
от -200°C до 850°C (согласно DIN EN60751)
Accuracy
1 mK
Measurement range
Pt25: 10 мК (5 мК -50°C...+250°C)
Pt100: 10 мК (5 мК -50°C...+250°C)
Display resolution
LCD, LED backlight, 2 lines ¨¤ 16 characters, height 9 mm
Measurement channels
2 (optionally up to 81 with external multiplexers)
Sensors
Pt-100, Pt500 и Pt1000 sensors in four-wire technology
Connectors
Lemo 1S, four-pole, on the front panel
Measuring current
approx. 0.5 mA when switching DC (approx. 1 mA for Pt-25)
Measurement time
about 1 sec. per channel, about 0.1 sec. to the channel from reduced resolution
Long-term
5 mK/year
Temperature coefficient
1 mK/K
Units of measurement
°C, °F, K, Ohm
Interface
RS-232 interface, isolated
Memory
128 KB (optional 512 KB)
Weight
8.00 kg
Power supply
230 V, 50 Hz / 115 V, 60 Hz approx. 15 VA
Dimensions
300 x 160 x 300 (width x height x depth in mm)
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DDM 900 precise termometr
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