PRODUCT INTRODUCTION
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Sensor | ||
Sensor Type | Michell Advanced Ceramic Moisture Sensor | |
Range | -120 to -40¡ÆCdp (calibrated from -100 to -40¡ÆC) | |
Accuracy | ¡¾1¡ÆC from -40 up to -60¡ÆCdp ¡¾2¡ÆC from -60 up to -100¡ÆCdp ¡¾4¡ÆC from -100 to -120¡ÆCdp (estimated) | |
Operating Pressure | Minimum 10-7 Pa (10-7 torr) Maximum 24 MPa (240 barg) | |
Operating Temperature | -40 to +60¡ÆC | |
Flow Rate | 1 to 5 Nl/min | |
Electronics/Electrical | ||
Power | Nominal 24 V DC, 10-28 V DC maximum current 25 mA 2 or 3-wire configuration | |
Output | PUR-TX-2W: 4 to 20mA 2-wire PUR-TX-3W: 4 to 20mA 3-wire PUR-AOL-SEN only: Digital String (RS485) | |
Cable with Display | PUR-OL & PUR-IS-OL: 2m (standard) / 5 or 10m (optional) PUR-AOL: 2m (standard) / 5 or 10m (optional) | |
Mechanical | ||
Sensor Block | Premium and OEM version: Cold drawn stainless steel, 0.1 - 0.2 Ra µm electro-polished internal finish | |
Pressure Connections | Premium and OEM version: ¨ù" male VCR connection Pura Sensor version: ¨ö" male VCR connection | |
Installation Profile | Premium and OEM version: 120mm pitch, drop in across gas port face seals Zero pipe clearance required 2 off M4 x 0.7, 7mm deep mounting holes in block, diagonally opposed at 20 x 20mm pitch Pura Sensor version: fits into user's ¨ö" VCR configured port | |
Overall Dimensions | Premium and OEM version: 120 x 35 x 150mm (w x d x h) Pura Sensor version: 132 x ¨ª35mm | |
Weight | Premium and OEM versions: 450g Pura Sensor version: 180g | |
Packaging | Pura Premium: Double bagged and sealed in UHP inert gas Pura OEM & Pura Sensor: Single bagged in 1000 gauge polythene All options: shipped individually in profiled sponge protection and carton Pura Sensor version supplied with protective guard over sensor surface for transportation and handling | |
Service Exchange | Available on the Pura Sensor (SEN) ¨ö" VCR connection | |
Monitors | Advanced Online Monitor: PUR-AOL | Online Monitor: PUR-OL |
Measurement Units | ¡ÆF, ¡ÆCdp; ppmV and ppbV with user-selectable range and resolution | Simple display defined by 2-wire sensor input |
Secondary measurement variable | Pressure via external transducer 0-30 MPa (300 variable barg) Completely user-configurable for any industry standard transducer Automatic compensation for ppmV and ppbV | ppmV with no line pressure correction input available with PUR-TX-2W & PUR-IS-2W |
Power Supply | Universal 85 to 265 V AC; 95 to 370 V DC | 100 to 240 V AC (+10, -15%) 50/60 Hz |
Ingress Protection | IP54 (NEMA 12); IP66 (NEMA 4X) for front panel only with optional cover | IP65 front panel (IP20 rear panel) |
Operating Temperature | 0 to +50¡ÆC | 0 to +50¡ÆC |
Relays | 2 off 10 A / 240 V c/o fully user-configurable: can accommodate full range for selected engineering unit + sensor fault alarm functions | Alarm 1 relay: single pole make contact, rating 3 A @ 250 V AC Alarm 2 relay: changeover contacts, rating 5 A @ 250 V AC |
Display Resolution | 5 Digit | 4 Digit |
Outputs: Analogue | 4-20 mA fully user-configurable and scaleable for range | 0-20 or 4-20 mA fully user-configurable and scaleable for range |
Outputs: Digital | RS232: provides 2-way communication - full data access to user and total availability of all set-up options | RS232: provides 2-way communication - full data access to user and total availability of all set-up options |
Options | ||
Power Supply | 18 to 36 V AC; 9 to 60 V DC | 24 V DC |
Relays | 1 or 2 further 5 A relays (max 4 in total) n/o type fully user configurable: can accommodate full range + full unit choice + sensor fault alarm functions | 1 further optional relay - refer to factory |
Outputs: Analogue | 0-10 V fully user-configurable and scaleable for range | 0 to 10 V output using 500 ¥Ø shunt resistant |
Outputs: Digital | RS485 |