Thiết Bị Đo Lường Busch VACTEST DCC 400 / DCC 400 D Thiết Bị Đo Lường

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TECHNICAL DATA	VACTEST DCC 400 (A)	VACTEST DCC 400 (B)	VACTEST DCC 400 D (A)	VACTEST DCC 400 D (B)
Measurement principle	Inverted magnetron	Inverted magnetron	Inverted magnetron	Inverted magnetron
Materials exposed to vacuum	Stainless steel 1.4307, nickel, tungsten, molybdenum, glass, ceramic	Stainless steel 1.4307, nickel, tungsten, molybdenum, glass, ceramic	Stainless steel 1.4307, nickel, tungsten, molybdenum, glass, ceramic	Stainless steel 1.4307, nickel, tungsten, molybdenum, glass, ceramic
Display	Without display	Without display	With display	With display
Measurement range	2 · 10⁻³–5 · 10⁻⁹ mbar	2 · 10⁻³–5 · 10⁻⁹ mbar	2 · 10⁻³–5 · 10⁻⁹ mbar	2 · 10⁻³–5 · 10⁻⁹ mbar
Overpressure limit	10 bar abs.	10 bar abs.	10 bar abs.	10 bar abs.
Measurement uncertainty	< 25% of reading (2 · 10⁻³–1 · 10⁻⁸ mbar)	< 25% of reading (2 · 10⁻³–1 · 10⁻⁸ mbar)	< 25% of reading (2 · 10⁻³–1 · 10⁻⁸ mbar)	< 25% of reading (2 · 10⁻³–1 · 10⁻⁸ mbar)
Repeatability of measurement	±5% of reading (2 · 10⁻³–1 · 10⁻⁸ mbar)	±5% of reading (2 · 10⁻³–1 · 10⁻⁸ mbar)	±5% of reading (2 · 10⁻³–1 · 10⁻⁸ mbar)	±5% of reading (2 · 10⁻³ – 1 · 10⁻⁸ mbar)
Leakage rate	< 5 · 10⁻¹⁰ mbar · l/s	< 5 · 10⁻¹⁰ mbar · l/s	< 5 · 10⁻¹⁰ mbar · l/s	< 5 · 10⁻¹⁰ mbar · l/s
Reaction time	< 50 ms	< 50 ms	< 50 ms	< 50 ms
Serial interface	RS485	RS485	RS485	RS485
Electrical connection	D-Sub, 15 poles, male	D-Sub, 15 poles, male	D-Sub, 15 poles, male	D-Sub, 15 poles, male
Supply voltage	20–30 V	20–30 V	20–30 V	20–30 V
Cathode voltage	2.5 kV	2.5 kV	2.5 kV	2.5 kV
Max. power consumption	3 W (relays)	3 W (relays)	3 / 0.8 W (relays / display)	3 / 0.8 W (relays / display)
Output signal	0–10 V, RS485	0–10 V, RS485	0–10 V, RS485	0–10 V, RS485
Setpoint relay	2 dry contacts	2 dry contacts	2 dry contacts	2 dry contacts
Relay contact rating	2A, 50 VAC / 2A, 30 VDC, max. 60 VA	2A, 50 VAC / 2A, 30 VDC, max. 60 VA	2A, 50 VAC / 2A, 30 VDC, max. 60 VA	2A, 50 VAC / 2A, 30 VDC, max. 60 VA
Operating temperature	+5 … +60 °C	+5 … +60 °C	+5 … +60 °C	+5 … +60 °C
Max. bake-out temperature	160 °C	160 °C	160 °C	160 °C
Protection class	IP40 (IP54 with appropriate D-Sub connector)	IP40 (IP54 with appropriate D-Sub connector)	IP40 (IP54 with appropriate D-Sub connector)	IP40 (IP54 with appropriate D-Sub connector)
Weight approx.	555 g	555 g	555 g	555 g
Dimensions (L x W x H)	45 × 66 × 139 mm	45 × 66 × 139 mm	45 × 66 × 139 mm	45 × 66 × 139 mm
Vacuum connection	DN 25 ISO-KF	DN 40 ISO-KF	DN 25 ISO-KF	DN 40 ISO-