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12 Accelerated corrosion test systems

Salt Spray Test Chamber.

Controlled salt-fog exposure for assessing corrosion resistance in coatings, components, materials and surface treatments.

Salt fogCondensationDrying & ventilationClimate testing
Test-space range50 L to 2000 LPublished main-feature range
Salt-fog temperatureRT +5°C to +50°CPublished fog-test range
Humidity range20% to 95% RHPublished climate range
Resolution0.1°CTemperature display resolution
Chamber introduction

Accelerate corrosion to compare long-term durability.

ISOTECH Salt Spray Test Chambers create a fine, consistent salt-laden fog for evaluating coatings, materials and surface treatments under controlled corrosive exposure.

The environment simulates aspects of marine atmosphere, industrial pollution and road salts for quality assurance, materials development and comparative analysis.

The current page references ASTM, DIN, ISO, DEF and MIL-STD requirements. Confirm the exact method, solution, fallout rate, specimen angle, exposure cycle and acceptance criteria during technical review.

Specification contextThe main-feature list begins at 50 L, while the model table begins at 150 L. Climate-test humidity deviation is listed once as 5%-6% RH and again as 2%-3% RH; both source values are retained and should be confirmed.
01 / Workspace50 L - 2000 LPublished main-feature range
02 / Salt fogRT +5°C to +50°CPublished fog-test range
03 / CondensationRT +5°C to +45°CCondensed-water test
04 / Dry & ventRT +5°C to +60°CDrying and ventilation
05 / Climate+20°C to +60°CClimate-test temperature
06 / Dew point+12°C to +58°CPublished climate-test range
07 / Deviation±0.5°CTemperature deviation
08 / Gradient±1°C to 2°CTemperature gradient
09 / Humidity20% to 95% RHPublished humidity range
Published application fields
Automotive
Aerospace
Marine
Electronics
Defence
Combined or single tests

Four exposure states. One controlled cycle.

Special CT models add modified and combined-test functions beyond conventional neutral salt-fog exposure.

Salt-fog exposure

Atomised salt solution produces a uniform, continuous corrosive mist over the specimens.

RT +5°C to +50°C

Condensation humidity

Controlled condensed-water exposure supports cyclic corrosion methods and combined humidity phases.

RT +5°C to +45°C

Drying & ventilation

Heated ventilation creates the drying phase used in multi-stage corrosion exposure cycles.

RT +5°C to +60°C

Climate & modified tests

CT configurations support ASTM G85-style modified tests, SO2, climate, fog-condensation and fog-drying routines.

+20°C to +60°C / 20%-95% RH
Salt fogExposure 01
CondensationExposure 02
DryingExposure 03
ClimateExposure 04
Construction / corrosion-resistant bodyISOTECH Salt Spray Chamber construction view
Chamber construction

Built to withstand the environment it creates.

The housing, canopy and sample system are designed around repeated exposure to a highly corrosive internal atmosphere.

01

Marine-grade housing

The entire housing uses non-corrosive materials such as marine-grade fibreglass for resistance to continuous salt exposure.

02

Mobile floor-standing format

Floor-standing units use lockable wheels for secure positioning and controlled relocation.

03

Accessible sample loading

Working height and reach distances support loading and unloading coupon samples into removable slotted racks.

04

Open test volume

The uncomplicated workspace maximises open area for more coupons while allowing large and bulky specimens.

05

Clear gabled canopy

A full clear-view gabled canopy supports observation while helping condensate run away from the test samples.

06

Insulated removable outer body

The removable insulated covering helps the chamber reach its maximum temperature in cooler laboratory environments.

Fog-generation architecture

Condition air, atomise solution, control fallout.

A heated saturator tower, separate solution reservoir and panel-mounted regulation create a uniform salt-fog field.

Wrap-around chamber heating

A heater jacket bonded to the exterior of the internal workspace protects the heater from the corrosive chamber atmosphere.

  • External jacket avoids direct corrosive exposure
  • Supports stable chamber temperature
  • Cabinet over-temperature thermostat
  • Designed for repeated exposure cycles

Saturator / bubble tower

The heated bubble tower humidifies compressed air before it reaches the salt-fog atomiser.

  • Immersion-heater temperature control
  • Independent over-temperature protection
  • Automatic fill from pressurised water supply
  • Manual filler port standard across models

Salt-solution reservoir

A separate reservoir mixes and holds the salt water that will be atomised into the test fog.

  • Provided on all published models
  • Separated from the exposure workspace
  • Supports continuous solution feed
  • Accessible for preparation and service

Fallout and pressure control

An adjustable flow meter works with the integrated air-pressure regulator and gauge to maintain consistent salt-fog fallout.

  • Panel-mounted flow adjustment
  • Integrated pressure regulator
  • Visible pressure gauge
  • Uniform, continuous specimen exposure
Instrumentation system

Programme the exposure and record the cycle.

The large-screen programmable controller combines TFT LCD touch and key input with profile graphics, history trends, ramp-and-soak segments, time totalising and cyclic timing.

TFT LCDRamp & soakCyclic timerTime totaliserRS-232/485USBAir purge
01 / Programming

Profiles and cycles

Multiple programmes and profile segments support ramp, soak and repeatable cyclic operation.

02 / Communication

Connected operation

RS-232/485 ports, networking and USB support external hardware and fast downloads.

03 / Continuity

Recovery and timing

Power-failure recovery, time totalising and cyclic timing support controlled test continuity.

04 / RE control

Single-set PID

RE models use microprocessor PID non-programmable control for chamber and saturator-tower temperature.

Protection for operator, chamber and solution system.

Independent shutdown functions address access, temperature, water supply and electrical malfunction.

Emergency stop and European-style signal tower
Door-open stop and open / close indication
Control-circuit overcurrent protection and thermal fuse
Adjustable high-temperature safety cut-out
Low-water-level alarm for safe operation
Dual cabinet and saturator over-temperature protection
Independent protection for every functional circuit
Air-purging system for controlled chamber clearing
Model selection

Six configurations across three control families.

RE models provide non-programmable PID control, LO models add logic programming, and CT models introduce special combined and modified-test capabilities.

Electrical connection230 V AC ±10%, 1 phase / N / PE, 50 Hz
Selection basisChoose by test method, temperature mode, control type, workspace and required modified-test functions.
Model Control family Temperature range Test-space range
ITSP-60 RE Non-programmable RT +5°C to +60°C 150 L to 2000 L
ITSP-50 RE Non-programmable RT +5°C to +50°C 150 L to 2000 L
ITSP-60 LO Logic programmable RT +5°C to +60°C 150 L to 2000 L
ITSP-50 LO Logic programmable RT +5°C to +50°C 150 L to 2000 L
ITSP-60 CT Special model +20°C to +60°C 150 L to 2000 L
ITSP-50 CT Special model +20°C to +60°C 150 L to 2000 L
Legend: LO = logic-programmable models. RE = non-programmable models. CT = special models.
Published-range note: Main features state 50 L to 2000 L; model rows state 150 L to 2000 L. Climate-test humidity deviation appears as both 5%-6% RH and 2%-3% RH on the source page. Confirm selected performance values in the quotation.
Equipment portfolio

Salt spray chamber samples.

Published ISOTECH equipment views showing completed corrosion-test systems.

SAMPLE / 01ISOTECH Salt Spray Chamber sample 1
SAMPLE / 02ISOTECH Salt Spray Chamber sample 2
SAMPLE / 03ISOTECH Salt Spray Chamber sample 3

Field feedback from ISOTECH clients.

Published customer reviews

I have been using Isotech environmental chambers for more than 3-4 years and placed orders multiple times. Robust technology, a user-friendly product and good technical support.

Radha KrishnaISOTECH client

The Salt Spray Chamber product was of high quality, and the customer service was excellent. Overall, I am very happy with the product.

Sanjeev ShettyISOTECH client

Nice working environment. Best environmental testing chamber manufacturers from Bangalore.

LokanathISOTECH client

Isotech Technology supplied reliability, durability and quality products to test different environmental conditions.

Malcom RoyISOTECH client
Define the corrosion test

Specify the method, solution and exposure cycle.

Share the applicable standard, specimen material, coating, salt solution, fallout rate, temperature-humidity cycle, exposure duration and workspace requirement with the ISOTECH engineering team.

Product questions

Salt spray chamber guidance.

Answers covering the test principle, applications, standards, selection, service, customization and support.

A salt spray or salt-fog chamber creates a controlled salt-laden atmosphere that accelerates corrosion processes on materials and coatings.