Mô tả
PPBa – PhyMetrix Portable Benchtop dewpoint Analyzer
PPBa – PhyMetrix Portable Benchtop dewpoint Analyzer
| Moisture Sensor |
- Range: -110°C to +20°C dewpoint ( -166°F to +68°F dewpoint )
- Accuracy: ±2°C (3.6°F) temperature correcte
- Repeatability: 0.8°C (1.5°F)
- Response time: 95% of step change in 3 min.
- Sample flow: >1 LPM
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| Temperature Sensor |
- Range: -40°C to +70°C (-40°F +158°F)
- Accuracy: ±2°C (3.6°F)
|
| Pressure Sensor |
- 2 to 150 PSIA ±1%, 316L stainless steel wetted parts
|
Ergonomics
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- Easy to carry or use on desktop, lightweight 3.5 Lbs
- Easy to read graphic LCD display with user controlled backlight brightness (LCD is readable without the backlight)
- Snap dome tactile membrane switches with dynamically assigned legends
- Audible feedback upon button press as well as for warnings and alarms
- Auto scaling graph / histogram on moisture measurement display for stability verification
- Easy to use with verbose built-in context sensitive Help screens
- Battery Saver, with user selectable Auto-power-down times, can also be disabled
- Built-in pressure measurement and pressure corrected moisture readings, simultaneously displayed with the uncorrected reading for greater ease of understanding
- Verbose Status bar with indications, warnings and audible errors
- User selectable locking with or without a password.
- Built-in battery backed clock calendar
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| Electrical |
- External AC Universal Power adapter (100-240VAC 50-60Hz) with USB connector
- Rechargeable Li-Ion battery, recharges through the USB connector from the PC or from the supplied universal power adapter
- Sampling system and sensor are isolated from electrical interface and supply grounds
- Measurement resolution of moisture sensor: 1pF resulting in less than 0.01°C
- External power and I/O: USB mini B female connector – IP67 / IP68 with Sealing Cap
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| Mechanical |
- 1/8″ Swagelok® Inlet and Outlet bulkhead fittings
- All 316 Stainless Steel and PTFE wetted parts, small surface area stainless steel sampling chamber for fast response time.
- Integral Sensor retraction into desiccant storage chamber for fast response-time when measuring low moisture
- Enclosure
- Extruded aluminum
- Dimensions- L: 7.83″ (199mm) W: 6.38″ (162mm) H: 3.32″ (84mm)
- Weight Total: 3.5 Lbs (1.6 Kg)
- Pressure: Inlet 2000 psi (137 bar) Outlet 50 psi (3.4 bar)
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Temperature Range
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- PPBa Analyzer: -20°C to +60°C
- Electronics: -40°C to +85°C
- Moisture Sensor: -20°C to +60°C
- Pressure Sensor: -20°C to +85°C
- LCD operating: -20°C to +70°C storage: -30°C to +80°C
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| Miscellaneous Features |
- NIST traceable calibrations
- Built-in metering valve and flow meter, no need for external pressure regulator etc…
- Units of measure: °C & °F dewpoint, ppmV, ppmW, µB H2O vapor pressure, grams of H2O / m3,
Lbs H2O /106 standard cubic feet in Natural Gas. (All units auto-scaled)
- Digital & Analog I/O: USB, 4/20mA with HART®
- Data logging – single point, multipoint, time stamping, each sample records: dewpoint, temperature and pressure, ( memory > 4,000 samples)
- Built-in Vacuum Pump Option, for low pressure or sub atmospheric sample sources. Includes internal dedicated rechargeable battery and external charger.
- Virtual Analyzer PC software for training and evaluation, allows the user to experience the exact interface on their own PC with voice explanations
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