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VACTEST DPH 400

Product catalog summary

Overview: The VACTEST DPH 400 is a digital transmitter designed for vacuum measurement, utilizing advanced microcontroller technology. It offers an extended measurement range from 1000 to 5 · 10⁻¹⁰ mbar and features customizable parameters for enhanced functionality.

Specifications:

Measurement Principle: Combines Pirani and Bayard-Alpert principles.
Materials: Stainless steel 1.4307, nickel, tungsten, platinum, yttrium-coated iridium, and glass.
Filaments: 1 filament for Pirani, 2 for Bayard-Alpert, made of tungsten and yttrium-coated iridium respectively.
Measurement Range: 1000 to 5 · 10⁻¹⁰ mbar.
Overpressure Limit: 4 bar absolute.
Measurement Uncertainty: Less than 30% for 1000–10 mbar, less than 10% for 10–1 · 10⁻⁸ mbar.
Repeatability: ±2% for 10–1 · 10⁻² mbar, ±5% for 1 · 10⁻²–1 · 10⁻⁸ mbar.
Leakage Rate: Less than 5 · 10⁻¹⁰ mbar · l/s.
Reaction Time: Less than 50 ms.
Interface: RS485 with D-Sub, 15 poles, male connection.
Supply Voltage: 20–30 V, with a maximum power consumption of 9 W.
Output Signal: 0–10 V, RS485.
Setpoint Relay: 2 dry contacts, rated at 2A, 50 VAC / 2A, 30 VDC, max. 60 VA.
Operating Temperature: +5 to +60 °C, with a maximum bake-out temperature of 180 °C.
Weight and Dimensions: Approximately 475 g, dimensions 45 × 66 × 141 mm.
Vacuum Connection: DN 25 ISO-KF, DN 40 ISO-KF, DN 40 CF-F.
Display: No display included.

Reliability and Efficiency: The device is built to high industrial standards with a robust design, employing the Bayard-Alpert principle with double filaments for extended lifetime and reliability. Its modular design allows for plug-and-play sensor replacement, ensuring maximum uptime.

Accessories and Options:

Replacement sensor
Active Sensor Controller
Connecting cable
RS485 interface converters to Bluetooth and USB
Electrical power supply
Calibration certificate
VACTEST Explorer Pro software

Contact Information: For further inquiries, users are encouraged to contact Busch Vacuum Solutions directly through their website.

Catalog excerpts

Digital transmitter BUSCH VACUUM SOLUTIONS Part of the BUSCH GROUP Intelligent Extended measurement range (1000 to 5 • 10-10 mbar), state-of-the-art microcontroller technology, fully customizable parameters High industrial standards, robust design, Bayard-Alpert principle with double filaments for extended lifetime and high reliability Modular design, plug and play sensor for maximum uptime Accessories, spare parts and options • Replacement sensor • Active Sensor Controller • Connecting cable RS485 interface converter to Bluetooth • Calibration certificate RS485 interface converter to USB • VACTEST Explorer Pro Electrical power supply © Busch Vacuum Solutions

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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