Product Info
The Navigator 600 Silica is an advanced colorimetric analyzer used to measure the level of silica in the steam water cycle in power plants. This multi-stream version can sample up to six independent streams sequentially.
Preventive Maintenance Schedule
Every 6 Months:
- Replace reagent solutions
- Replace cleaning solution
- Replace secondary calibration solution
Annually:
- Perform annual service – replace pump tubing and all capstans
Daily:
- Check sample filter
- Check reagent tube filters
Monthly:
- Perform secondary calibration
Weekly:
- Perform zero calibration
Parts List
- Annual spares kit: Suitable for analyzers with upgraded pumps and instruments manufactured after October 2010 (Part Number: AW601155)
- Tubing kit: Excluding pump tubes (Part Number: AW601176)
- Pump tube blue & green: (Part Number: AW600096)
- Pump tube grey: (Part Number: AW600097)
- Pump tube red & violet: (Part Number: AW601118)
- Pump tube orange & brown: (Part Number: AW601119)
- Pump tube kit: Contains AW600096, AW600097, AW601118 & AW601119 (Part Number: AW601108)
- Reagent tubes replacement kit: (Part Number: AW601102)
- Filter assembly: (Part Number: AW600049)
- Filter pack: (Part Number: AW600087)
- 2-channel pump pressure plate: Only for upgraded units (Part Number: AW600503)
- Pump motor and coupling: (Part Number: AW600047)
- Calibration / clean / cuvette / sample select valve: Includes manifold (Part Number: AW600034)
- Reaction block temperature sensor: (Part Number: AW600046)
- Reaction block heater: (Part Number: AW600045)
- Optical unit: Excluding secondary debubbler (Part Number: AW601110)
- Constant head assembly multi stream: Left-hand side end and mid module (Part Number: AW600701)
- Constant head assy multi stream: Right-hand side end module (Part Number: AW600705)
- Primary debubbler: (Part Number: AW600025)
- Reaction coil, manifold & cover: (Part Number: AW601181)
- Bottle empty – cleaning solution / secondary calibration / zero calibration: (Part Number: AW600730)
- Bottle empty – reduction ascorbic / ammonium molybdate / 1st acid / 2nd acid: (Part Number: AW600731)
- Wet section door & hinge pins: (Part Number: AW600085)
- Reagent shelf: (Part Number: AW600157)
- Cable gland kit: (Part Number: AW600023)
- Wet section connection PCB: (Part Number: AW600048)
- AC power supply: (Part Number: AW600051)
- DC power supply: (Part Number: AW600056)
- Transmitter application board: (Part Number: AW600065)
- PROFIBUS board: (Part Number: AW600067)
- AC Transmitter: Excluding PROFIBUS card (Part Number: AW600028)
- DC Transmitter: Excluding PROFIBUS card (Part Number: AW600016)
- Front door inc. keypad and display: (Part Number: AW600068)
- Complete wet section multi-stream tested: (Part Number: AW601175)
- Secondary debbubler assembly: (Part Number: AW601715)
- Pre-heater assembly: (Part Number: AW601720)
Product Specs Sheet
- Silica Measurement Range: Fully user programmable 0 to 5000 ppb SiO2, minimum range 0 to 50 ppb
- Measurement Modes: Sample stream options: Multistream in 2, 4 or 6 stream configurations
- Multi-stream performance: Measurement method: Continuous chemistry with a minimum 12 minutes per stream measurement update. Sample rate programmable between 12 minutes minimum to 60 minutes maximum.
- Typical accuracy: <±2% of reading or ±0.5 ppb (whichever is the greater) over the range 0 to 500 ppb, <±5% of reading over the range 500 to 5000 ppb
- Repeatability: <±2% of reading or ±0.5 ppb (whichever is the greater) over the range 0 to 500 ppb, <±3% of reading over the range 500 to 5000 ppb
- Solution Requirements: 4 reagents (2.5 l bottles), 1 standard solution (0.5 l bottle), 1 cleaning solution (0.5 l bottle)
- Reagent Consumption: Continuous operation mode: 2.5 l max. per 90 days
- Ambient operating temperature: 5 to 45 ºC (41 to 113 ºF)
- Sample temperature: 5 to 55 ºC (41 to 131 ºF)
- Sample particulate: <60 microns, <10 mgl–1
- Sample flow rate: >5 ml/min / <500 ml/min
- Sample pressure: Atmospheric
- Storage temperature: -20 to 75 ºC (-4 to 167 ºF)
- Ambient operating humidity: Up to 95% RH non-condensing
- Supply ranges: 110 to 240 V max. AC, 50/60 Hz ± 10 % (90 to 264 V AC, 45/65 Hz), 18 to 36 V DC 10A power supply typical (optional)
- Power consumption: 75 W max. – AC, 100 W max. – DC
- Analog Outputs: 6 isolated current outputs: galvanically isolated (to 500 V DC) from each other and all other circuitry, fully assignable and programmable over a 0 to 20 mA range (up to 22 mA if required), drives maximum 750 load
- Wetted Materials: PMMA (acrylic), PP (polypropylene), PTFE, PP (20% glass filled), PEEK, NBR (nitrile), EPDM, Santoprene, PTFE (15% polysulphane), NORYL, Borosilicate glass, Acrylic adhesive
- Display: Color*, passive matrix, liquid crystal display (LCD) with built-in backlight and brightness adjustment, Diagonal display area 144 mm (5.7 in.), 76800 pixel display
- Dedicated operator keys: Group Select / Left cursor, View Select / Right cursor, Menu key, Up / Increment key, Down / Decrement key, Enter key
- Ingress protection: IP31** – Wet section (critical components IP66), IP66 – Transmitter
- Dimensions: Height 638 mm (25.1 in.) plus constant head bracket 186 mm (7.3 in.), Width 271 mm (10.7 in.), Depth 182 mm (7.2 in.)
- Weight: 15 kg (33 lbs)
- Materials of construction: Electronics enclosure: 20 % glass loaded polypropylene, Main enclosure: Noryl, Lower tray: 10 % glass loaded polypropylene, Door: Acrylic
Troubleshooting
- Failing calibration (calibration parameters consistent from one calibration to the next):
- Check the system for visible air bubbles
- Check that reagents enter the reaction block in the correct order
- Check reagents are correct
- Check solution flowrates
- Check operation of zero and secondary calibration valves
- Check mV values from the optical system
- Failing calibration (calibration parameters vary from one calibration to the next):
- Perform a Noisy readings check
- Check operation of zero and secondary calibration valves
- Check mV values from the optical system
- Incorrect readings (Calibrations pass with consistent results):
- Check each stream reading independently
- If no problems can be found, it suggests that the laboratory method could be inaccurate
- Noisy / unstable readings:
- Check the system for visible air bubbles
- Check mV values from the optical system for stability
- Check solution flowrates
Please
note that any procedure, checklist, or other document available on Limble is provided for general education and
information only and does not constitute legal, medical, or financial advice. Limble makes the materials available
AS IS and AS PROVIDED, without warranties of any kind. By downloading or using any such materials, you assume the
risk that they may not be appropriate for your specific situation and agree that you are solely responsible for any
such use, including compliance with applicable law and with meeting any conditions of product warranties. It is
recommended to contact OEM for the most accurate information.
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