K-PATENTS - 半導體Sub fab化學液濃度計 PR-23-MS
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特點：
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| Refractive Index range, standard | Full range, nD=1.3200...1.5300 (corresponds to 0...100% b.w.), sapphire H73 prism |
| Refractive Index range, option | nD=1.2600...1.4700, sapphire H74 prism (for Hydrofluoric acid, HF) |
| Accuracy |
R.I. ± 0.0002 (corresponds typically to ± 0.1% b.w.). Repeatability: R.I. ± 0.0001 (corresponds typically to ± 0.05% b.w.). |
| Speed of response | 1s undamped, damping time selectable up to 5 min |
| CORE-Optics |
No mechanical adjustments and digital measurement with 3648 pixel CCD element, 589 wavelength sodium D-line light emitting diode (LED), built-in Pt-1000 temperature sensor (linearization according to IEC 751) |
| Temperature compensation | Automatic, digital compensation |
| Instrument verification | With standard R.I. liquids and the documented procedure (ISO 9000) |
| SENSOR PR-23-MS | |
| Sensor wetted parts: | Modified PTFE, prism gasket modified PTFE, prism sapphire, O-ring Kalrez, adaptor sapphire |
| Process line connection: | Flare fitting or Nippon Pillar Super 300 type fitting; Line size diameters: 1/4 inch, 1/2 inch, 3/4 inch or 1 inch |
| Sensor weight: | 5.5 kg (12 lbs |
| Process temperature: | -20°C (-4°F)...160°C (320°F) |
| Ambient temperature: |
Sensor: min. -20°C (-4°F), max. 45°C (113°F) Indicating transmitter: min. 0°C (32°F), max. 50°C (122 °F) |
| Process pressure: | PN 10 |
| Sensor housing: | Epoxy coated stainless steel |
| Sensor protection class: | IP67, Nema 4 |
| Approval for electrical safety | cCSAus certified, Equipment Class I, Poll. Deg. 2 / Transmitter, Poll. Deg. 3 / Sensor, Install. Cat. II |
| INDICATING TRANSMITTER DTR | |
| Display | 320x240 pixel graphical LCD with LED backlight, keypad with 8 membrane keys |
| Current output | Two independent current outputs, 4-20 mA, max. load 1000 Ohm, galvanic isolation 1500 VDC or AC (peak), hold function during prism wash |
| Fieldbus and industrial Ethernet connectivity | Through Fieldbus converter to Modbus/TCP, Modbus RTU and Ethernet/ IP networks |
| Power: | AC input 100-240 VAC/50-60 Hz, optional 24 VDC, 30 VA |
| Alarms/Wash relays: | Two built-in signal relays, max. 250 V/3 A |
| Indicating transmitter weight: | 4.5 kg (10 lbs) |
| Transmitter protection class(Indoor use). | Polycarbonate enclosure IP66, Type 4X (Indoor use); AISI 304 Stainless steel enclosure IP66 |
| INTERCONNECTING CABLE | IEC 61158-2 compliant two-wire cable |
| Interconnecting cable length | Standard 10 m (33 ft), max. 200 m (660 ft) |
| OPTIONS | Cable fittings to Indicating transmitter: European cable glands M20x1.5 or US conduit hubs |
