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QUANTICHEM® 9001 COMPACT SERIES

Sodium Analyzer
Quantichem® 9031C

The Waltron Quantichem® 9031C Sodium Analyzer is the most advanced online instrument specifically developed for use in continuous measurement and determination of sodium ion concentration.

Common 9031C Sodium Analyzer application points in a boiler system for online sodium measurement include:make-up water,condensate,boiler feedwater and saturated steam/main steam.

Download 9031C Sodium Analyzer brochure (PDF)

Waltron Quantichem® 9031C Sodium Analyzer

Please contact us
for panel mount version.

FEATURES		BENEFITS




• Wide analysis range: 0.01ppb – 10ppm		• Low reagent and standard consumption



• Low maintenance		• Minimal maintenance required



• Very low reagent and standard consumption		• Automatic operation



• No change of diffusion tubing



• Automatic range selection



• Process calibration – calibrate to sample



• Two 4-20 mA isolated current outputs



• Protection of electrodes from “Hot Sample”



• Automatic temperaturecompensation



• Automatically stores last 10 calibrations and alarm logs



• No use of highly toxic reagents such as monoethylamine or diisopropylamine

Flow path during calibration mode and normal operating conditions

Quantichem® 9031 Sensor Unit
During calibration the 3-way valve is activated, a standard of known sodium concentration passes through a heat exchanger to equilibrate the solution’s temperature to that of the sample. The standard then enters the constant head unit where flow is stabilized. Alkaline buffer vapor is added via a vapor entrainment mechanism before the standard enters the sodium measuring flow cell and flows to drain. During normal operating conditions the standard solution is replaced by the sample.

GENERAL SPECIFICATIONS

Performance



Range		0.01ppb - 10ppm



Accuracy		±5% of reading or ±0.1ppb (whichever is greater) within ±5°C of calibration temperature



Reproducibility		±5% of reading or ±0.1ppb (whichever is greater) at constant temperature



Response Time		90% of 1-10ppb step: less than 4 minutes; 90% of 100-1ppb step: less than 6 minutes



Temperature Compensation		Automatic



pH Compensation		Alkaline vapor buffer:0.88 SG (28% to 30% NH3) ammonia above 0.1 ppb sodium,50% diethylamine solu-tion below 0.1ppb sodium



Single or 2-point Calibration		Manual calibration



Current Outputs		Two isolated 4-20mA current (analog) outputs



Digital Outputs		Communication interface via RS-232 & RS-485 using MODBUS RTU protocol



Alarms		Three voltage-free contacts, alarm points set from transmitter rated at 2A, 250VAC (non-inductive)



Power		Wide range of input power supply 90VAC – 250VAC




CECertification (on request)		Meets low voltage and low electromagnetic compatibility directives





Operating Conditions



Sample		Temperature: 41 – 131° F (5 – 55°C); Flow 150 – 400 ml/min



Ambient Temperature		32 – 131°F (0 – 55°C)



Pressure		5 – 30 psig (0.35 – 2.07 bar)



Composition		Sample should be filtered to 60 microns,free of film forming compounds



Mechanical



Construction		Transmitter – high strength ABS,IP65 (NEMA 4x) Wet section – high strength ABS and sheet metal,all wetted parts stainless steel or PVC,IP55 (NEMA 4)



Dimensions		Transmitter: Height = 10.92” (27.74 cm), Width = 7” (17.78 cm), Depth = 3.54” (8.99 cm) Wet Section: Height = 18.25“ (46.36 cm) including drain, Width = 11.25” (28.58 cm), Depth = 7.63” (19.38 cm)



Mounting		Four key-style holes: Height = 0.86” (2.18 cm), Top Width = 0.281” (0.714 cm), Radius = 0.28” (0.711 cm) Horizontal: 9” (22.86 cm), Vertical: 12.875” (32.70 cm)



Weight		23 lbs. (10.44 kg)



Wiring		Eight (8) conduit knockouts



Piping		Sample Inlet: 1/4” (0.635 cm) OD Swagelokt, Drain: 3/8” (0.953 cm) OD tube



Distance		Up to 325 feet (100 meters) on request



Finish		Corrosion resistant

Sodium Analyzer Quantichem® 9031C

Sodium Analyzer
Quantichem® 9031C