Thiết Bị Đo Lường Busch VACTEST DTP 400 C / DTP 400 DC Thiết Bị Đo Lường

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TECHNICAL DATA	VACTEST DTP 400 C	VACTEST DTP 400 DC
Measurement principle	Pirani	Pirani
Materials exposed to vacuum	Stainless steel 1.4307, nickel, platinum / rhodium, glass	Stainless steel 1.4307, nickel, platinum / rhodium, glass
Filament material	Platinum / Rhodium	Platinum / Rhodium
Display	Without display	With display
Measurement range	1000–5 · 10⁻⁴ mbar	1000–5 · 10⁻⁴ mbar
Overpressure limit	10 bar abs.	10 bar abs.
Measurement uncertainty	< 30% of reading (1000–10 mbar), < 10% of reading (10–1 · 10⁻² mbar), < factor 2 (< 1 · 10⁻² mbar)	< 30% of reading (1000–10 mbar), < 10% of reading (10–1 · 10⁻² mbar), < factor 2 (< 1 · 10⁻² mbar)
Repeatability of measurement	±5% of reading (10–1 · 10⁻² mbar)	±5% of reading (10–1 · 10⁻² mbar)
Leakage rate	< 5 · 10⁻¹⁰ mbar · l/s	< 5 · 10⁻¹⁰ mbar · l/s
Reaction time	< 40 ms	< 40 ms
Serial interface	RS485	RS485
Electrical connection	D-Sub, 15 poles, male	D-Sub, 15 poles, male
Supply voltage	20–30 V	20–30 V
Max. power consumption	2.5 W (relays)	2.5 / 0.8 W (relays / display)
Output signal	0–10 V, RS485	0–10 V, RS485
Setpoint relay	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
Operating temperature	+5 … +60 °C	+5 … +60 °C
Max. bake-out temperature	150 °C	150 °C
Protection class	IP40 (IP54 with appropriate D-Sub connector)	IP40 (IP54 with appropriate D-Sub connector)
Weight approx.	190 g	190 g
Dimensions (L x W x H)	45 × 66 × 99 mm	45 × 66 × 99 mm
Vacuum connection	DN 16 ISO-KF	DN 16 ISO-KF