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MX Series -

MX-9216 - Corrosion/Salt Spray

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The unique features of the salt spray test chamber, allows you better observation and access to your corrosion testing. The construction is made of high-quality Lucite®️ plexiglass on five sides making it the only 360-degree view into the chamber workspace. 

Completely self-contained, the MX Series salt spray chambers allow for test items to be subjected to a corrosive environment without introducing other contaminants into the test area. 

STANDARDS.  The standard MX-9216 salt spray test chamber has an atomizing nozzle that can be factory set to be compliant with the following standards:

HEATING SYSTEM.  To ensure temperature uniformity in the test workspace, the unit uses two separate RTD sensors. One for holding and conditioning incoming water to an accurate 45.5°C (113.9°F).  As the water is mixed with the salt solution and atomized the temperature falls. In the product workspace, a second RTD sensor holds the ambient temperature at a steady 35°C (95°F) as the fog fills the workspace.

Salt Spray chambers are commonly used to evaluate the corrosive properties of:

  • Phosphated surfaces (with subsequent paint/primer/lacquer/rust preventive)
  • Zinc and Zinc-alloy plating (see also electroplating)
  • Electroplated chromium, nickel, copper and tin
  • Coatings not applied electrolytically (such as zinc flake coatings)
  • Organic Coatings
  • Paint Coatings

INSTRUMENTATION. The standard MX corrosion test chambers have two independent manual-set digital controllers ensuring the heated water being sprayed and the workspace air temperature are controlled to the desired setpoint. 

For capturing temperature readings in both areas throughout your test cycle, upgrade your controller to access AESONE CONNECT. Learn more.

EXTENDED TESTING HOURS. For longer testing that extends beyond 70 hours, consider adding an optional Salt Spray Water Recycling Package that can extend the length of your tests to 144 hours.

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  • Specifications
  • Standard Features
  • Instrumentation
  • Safety Features
  • Optional Features
  • Downloads
  • Videos


Interior: 30W x 30D x 30H (in)
  76W x 76D x 76H (mm)
Exterior: 38"W x 37"D x 51.5"H (in)
  965.2W x 939.8D x 1308.1H (cm)
Volume: 15.63 cubic ft
  442.45 liters
Electrical Supply:  120VAC, 1PH, 60HZ,
Full Load Amps: 12
Power Requirement: NEMA 5-15
Mobility: Will fit through 48" door


  • Benchtop Style
  • Transparent Lucite Construction features visual observation of items being tested
  • Stainless Steel Base
  • Tower Level Control




Temperature and Humidity are manually-set with two Watlow EZ-ZONE PM controllers (non-programable). Push-button controller with segmented displays. Has optional RS-232 or RS-485 serial communication.

Upgrade to: AESONE CONNECT creating a robust connected device for a standard and uniform interface making test chamber operation easier.

AESONE XCHANGE increases your functionalityaesone-connect-1

  • connects the test chamber controller to your network for increased accessibility
  • on-board multi-year data logging

AESONE SOFTWARE gives you the power to

  • remote chamber operation and monitoring, 
  • web-based test profile creation, 
  • viewing current data and historical data visually
  • secure multi-level user access 


WATLOW F4T PROGRAMMABLE CONTROLLER. Features a 4.3” capacitive touchscreen minimizing the chance for error. Ethernet communication supported by AESONE HARDWARE. View more controller options

SENSORS. 100 OHM Platinum RTD  is a highly-accurate sensor made from platinum components for increased sensitivity View sensor options

OPTIONAL DATA LOGGERS. View additional data loggers

Safety Features

Internal Thermal Heat Fuse - interrupts flow of electricity if it reaches a preset temperature

Optional Features

  • Salt Fog Collectors 80cm Horizontal Area (2 Required) ASTM-B117
  • Salt Reservoir Level Control with 10 Gallon Storage Tank (Automatic Refill System)
  • Special Filter for MIL-STD-202H and 810G (P/N 86264)
  • Modification to Meet MIL-STD-883K Method 1009.8 Procedure 3.1
  • Water Demineralizer System
  • Floor Stand