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

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TECHNICAL DATA	VACTEST DPH 400 (A)	VACTEST DPH 400 (B)	VACTEST DPH 400 (C)	VACTEST DPH 400 D (A)	VACTEST DPH 400 D (B)
Measurement principle	Pirani / Bayard-Alpert	Pirani / Bayard-Alpert	Pirani / Bayard-Alpert	Pirani / Bayard-Alpert	Pirani / Bayard-Alpert
Materials exposed to vacuum	Stainless steel 1.4307, Ni, W, Pl, yttrium coated iridium, glass	Stainless steel 1.4307, Ni, W, Pl, yttrium coated iridium, glass	Stainless steel 1.4307, Ni, W, Pl, yttrium coated iridium, glass	Stainless steel 1.4307, Ni, W, Pl, yttrium coated iridium, glass	Stainless steel 1.4307, Ni, W, Pl, yttrium coated iridium, glass
Number of filaments	1 (Pirani) / 2 (Bayard-Alpert)	1 (Pirani) / 2 (Bayard-Alpert)	1 (Pirani) / 2 (Bayard-Alpert)	1 (Pirani) / 2 (Bayard-Alpert)	1 (Pirani) / 2 (Bayard-Alpert)
Filament material	Tungsten (Pirani) / yttrium coated iridium (Bayard-Alpert)	Tungsten (Pirani) / yttrium coated iridium (Bayard-Alpert)	Tungsten (Pirani) / yttrium coated iridium (Bayard-Alpert)	Tungsten (Pirani) / yttrium coated iridium (Bayard-Alpert)	Tungsten (Pirani) / yttrium coated iridium (Bayard-Alpert)
Display	Without display	Without display	Without display	With display	With display
Measurement range	1000–5 · 10⁻¹⁰ mbar	1000–5 · 10⁻¹⁰ mbar	1000–5 · 10⁻¹⁰ mbar	1000–5 · 10⁻¹⁰ mbar	1000–5 · 10⁻¹⁰ mbar
Overpressure limit	4 bar abs.	4 bar abs.	4 bar abs.	4 bar abs.	4 bar abs.
Measurement uncertainty	< 30% of reading (1000–10 mbar), < 10% of reading (10–1 · 10⁻⁸ mbar)	< 30% of reading (1000–10 mbar), < 10% of reading (10–1 · 10⁻⁸ mbar)	< 30% of reading (1000–10 mbar), < 10% of reading (10–1 · 10⁻⁸ mbar)	< 30% of reading (1000–10 mbar), < 10% of reading (10–1 · 10⁻⁸ mbar)	< 30% of reading (1000–10 mbar), < 10% of reading (10–1 · 10⁻⁸ mbar)
Repeatability of measurement	±2% of reading (10–1 · 10⁻² mbar), ±5% of reading (1 · 10⁻²–1 · 10⁻⁸ mbar)	±2% of reading (10–1 · 10⁻² mbar), ±5% of reading (1 · 10⁻²–1 · 10⁻⁸ mbar)	±2% of reading (10–1 · 10⁻² mbar), ±5% of reading (1 · 10⁻²–1 · 10⁻⁸ mbar)	±2% of reading (10–1 · 10⁻² mbar), ±5% of reading (1 · 10⁻²–1 · 10⁻⁸ mbar)	±2% of reading (10–1 · 10⁻² mbar), ±5% of reading (1 · 10⁻²–1 · 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	< 5 · 10⁻¹⁰ mbar · l/s
Reaction time	< 50 ms	< 50 ms	< 50 ms	< 50 ms	< 50 ms
Serial interface	RS485	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	D-Sub, 15 poles, male
Supply voltage	20–30 V	20–30 V	20–30 V	20–30 V	20–30 V
Max. power consumption	9 W (relays)	9 W (relays)	9 W (relays)	9 / 0.8 W (relays / display)	9 / 0.8 W (relays / display)
Output signal	0–10 V, RS485	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	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	2A, 50 VAC / 2A, 30 VDC, max. 60 VA
Operating temperature	+5 … +60 °C	+5 … +60 °C	+5 … +60 °C	+5 … +60 °C	+5 … +60 °C
Max. bake-out temperature	180 °C	180 °C	180 °C	180 °C	180 °C
Weight approx.	475 g	475 g	475 g	475 g	475 g
Dimensions (L x W x H)	45 × 66 × 141 mm	45 × 66 × 141 mm	45 × 66 × 141 mm	45 × 66 × 141 mm	45 × 66 × 141 mm
Vacuum connection	DN 25 ISO-KF	DN 40 ISO-KF	DN 40 CF-F	DN 25 IS