9033X Sodium Analyzer

Waltron’s 9033X Sodium Analyzer delivers exceptional results in a streamlined low-cost package. An enhanced color touch screen user interface makes the 9033X easy to operate and easy to maintain.

The 9033X Sodium Analyzer can be used in a variety of ultrapure water applications. Common measuring points in a boiler system for online sodium measurement include: make-up water, condensate, boiler feedwater and saturated steam/main steam. The Waltron 9033X Sodium Analyzer comes with true fully automatic calibration and offers many benefits in terms of ease-of-use and increased functionality.

X Module Upgrade.pdf

Large user friendly color touch screen interface

Wide analysis range: 0.1ppb – 10ppm

Multi-stream available

Calibration: automatic 2-point or single point; user may select weekly, bi-monthly, or monthly calibration frequency as well as day and time

Hassle-free maintenance: calibration standards and electrode refill can last up to 3 months

Low sample flow indication (optional)

Quick connect electrodes and probe positioning clamps

Automatic reference electrode electrolyte refill system (standard in US and optional elsewhere)

Grab sample capability

Two 4-20 mA isolated current outputs

Internal data logger set to store readings every 10 minutes for 30 days

External data logger can be set for every 1 minute (optional)

Automatically logs last 10 alarms and results of last 10 calibrations

Reagents: Ammonium Hydroxide (standard) or Di-isopropylamine (optional)

MODBUS and PROFIBUS connections coming soon!


0.10ppb - 10ppm

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

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

Response Time (approximate)
90% of 10 – 1ppb step: less than 3 minutes; 90% of 100 – 1ppb step: 5 minutes

Temperature Compensation

pH Compensation
Alkaline vapor buffer:0.88 SG (28% to 30% NH3) ammonia above 0.5ppb sodium, 99% diisopropylamine solution below 0.5ppb sodium

Automatic 2-point or single point; user may select weekly, bi-monthly, or monthly calibration frequency as well as day and time

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

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

Low flow alarm and three additional voltage-free contacts, alarm points set from transmitter rated at 2A, 250VAC (non-inductive)

Wide range of input power supply 90VAC – 250VAC

CE Certification (on request)
Meets low voltage and low electromagnetic compatibility directives


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

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

5 – 30 psig (0.35 – 2.07 bar)

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


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

Height=33.5”(85.1 cm),Width=14.50”(36.83 cm), Depth=11.0”(27.94 cm)

Two key-style holes at top: Height=1.38”(3.51 cm), Top Width=0.48”(1.22 cm), Radius=0.47”(1.19 cm) Two bolt notches at bottom: Height=0.88”(2.24 cm),Width=0.48”(1.22 cm), Horizontal=10.25”(26 cm)

33 lbs. (15 kg)

Eight (8) conduit knockouts. Quick connect electrodes.

Sample Inlet: 1/4"(0.635 cm) OD Swagelok, Drain: 3/8"(0.953 cm) OD tube

Up to 325 feet (100 meters) on request

Corrosion resistant


Need Assistance?

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+1 908 534 5100

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+31 85 065 45 50

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+86 135 8486 4870


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