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Salt Spray Test Chamber with Salinity Meter
Custom-manufactured salt spray corrosion test chambers from
200 litres to 1000 litres, equipped with an integrated
online pH meter, humidity indication and the MCS digital saline
concentration and NaCl correction system.
Digital NaCl Display
NaCl Addition in Grams
Integrated pH Meter
Custom Manufacturing
MCS Salt Spray Chamber with Integrated Solution Monitoring
The Salt Spray Test Chamber with Salinity Meter is an
advanced corrosion-testing system manufactured by UMA Industries under
the MCS brand. It is intended for industrial laboratories, quality-control
departments and manufacturers that require better visibility of the
saline solution used for salt fog generation.
A conventional salt spray chamber may require the operator to check the
saline solution with a separate instrument and then manually calculate
how much sodium chloride must be added. The MCS system simplifies this
work by continuously displaying the saline concentration and calculating
the quantity of NaCl to be added according to the configured solution
volume.
The product range is available with an internal chamber capacity from
200 litres to 1000 litres. The physical dimensions,
specimen racks, saline solution tank, control arrangement and automation
level are manufactured according to the user’s specimen size, loading
requirement and testing procedure.
saline solution tank capacity are separate values. The NaCl correction
meter is configured according to the actual quantity of solution being
prepared, not merely according to the internal volume of the chamber.
MCS SaltBalance Digital Salinity Correction System
The principal differentiating feature of this
Salt Spray Test Chamber with Salinity Meter is the
MCS SaltBalance digital correction system. The instrument uses a
16×2 LCD to provide immediate guidance to the operator.
Live Concentration
The upper LCD line shows the measured saline concentration as
a numerical percentage so that the operator can observe the
solution condition directly from the control panel.
Automatic NaCl Calculation
When the measured concentration is below the preset MCS control
level, the lower line calculates and displays the approximate
quantity of NaCl to be added in grams.
High Concentration Warning
When the concentration exceeds the preset upper control level,
the display warns the operator that the saline concentration
is excessive and requires correction.
Add NaCl:1500g
For example, when 500 litres of prepared solution measures 4.70% against
the nominal 5.00% target configured in the instrument, the system
calculates an approximate addition of 1,500 grams of NaCl. The operator
receives a direct correction value instead of performing the calculation
separately.
When the solution is inside the preset MCS control band, the lower LCD
line displays a concentration-OK message. If the value rises beyond the
upper setting, the system displays a NaCl-exceeded warning. This operator
guidance helps reduce arithmetic mistakes and supports more consistent
solution preparation.
Why Saline Concentration Monitoring Is Important
Salt fog is generated from a prepared sodium chloride solution. Therefore,
monitoring the solution is an important part of maintaining controlled
test conditions. An incorrectly prepared solution can create avoidable
variation between different batches, operators or test runs.
The Salt Spray Test Chamber with Salinity Meter provides
a visible measurement at the control panel and gives correction guidance
according to solution volume. It does not merely indicate whether salt is
present; it helps the operator determine the approximate quantity required
to return a low-concentration solution toward the configured nominal value.
- Reduces dependency on handwritten correction calculations.
- Helps different operators follow the same solution-preparation method.
- Provides immediate indication when the concentration is low.
- Displays the required NaCl addition in grams.
- Provides an alarm message when concentration is excessive.
- Supports documented internal quality-control procedures.
- Improves visibility of a critical salt fog preparation parameter.
Integrated pH Meter and Humidity Indication
Online pH Meter
The control panel includes an online digital pH meter for
monitoring the saline solution. The panel-mounted arrangement
reduces dependence on a separate portable meter and allows the
operator to observe pH during solution preparation and routine
checking.
The pH electrode must be cleaned, stored and calibrated using
suitable reference buffers. For information about the instrument,
visit the
MCS digital online pH meter
product page.
Humidity Indication
A digital humidity indication is provided for additional process
visibility. It allows the operator to observe the internal chamber
condition together with temperature, test time, pH and salinity.
Humidity indication is an additional monitoring feature. The
acceptance criteria for any test must always be taken from the
applicable standard, customer drawing, material specification or
approved test procedure.
Technical Features and Available Configuration
| Parameter | MCS Product Configuration |
|---|---|
| Product name | Salt Spray Test Chamber with Salinity Meter |
| Brand | MCS |
| Manufacturer | UMA Industries |
| Chamber capacity | 200 litres to 1000 litres |
| Size selection | Manufactured according to user specimen and test requirements |
| Salinity display | 16×2 digital LCD |
| Upper LCD line | Displays measured saline concentration |
| Lower LCD line | Displays NaCl quantity to add, concentration OK or high-concentration warning |
| Correction basis | Configured saline solution volume |
| pH monitoring | Integrated online digital pH meter |
| Humidity monitoring | Digital indication provided |
| Temperature control | According to selected test configuration |
| Construction | Corrosion-resistant construction selected according to chamber size and model |
| Specimen holding | Custom racks, rods or supports according to specimen dimensions |
| Fog generation | Atomization arrangement with regulated compressed-air supply |
| Fog collection | Collection funnels and measuring cylinders as per selected configuration |
| Electrical supply | Confirmed according to chamber size and installed load |
| Automation | Controller or PLC/HMI configuration available according to requirement |
Final dimensions, installed power, tank volume, specimen capacity,
controller type, data logging, automatic filling and other options are
confirmed in the approved technical quotation.
MCS System Compared with a Conventional Basic Chamber
| Operating Requirement | Typical Basic Arrangement | MCS Integrated Arrangement |
|---|---|---|
| Saline concentration checking | Separate external measuring instrument | Integrated digital saline concentration display |
| Low-concentration correction | Manual calculation by operator | NaCl addition calculated and displayed in grams |
| Solution volume | Operator must include it in the calculation | Configured into the MCS correction system |
| High concentration | Depends on separate checking and interpretation | NaCl-exceeded warning shown on LCD |
| pH checking | May require a separate handheld meter | Integrated online panel-mounted pH meter |
| Operator guidance | Multiple manual steps | Measurement and correction message on the control panel |
This comparison does not claim that every competing chamber has the same
basic arrangement. It explains the practical difference between a chamber
that depends mainly on external measurements and manual calculations and
the integrated MCS monitoring configuration.
Standards and Test-Procedure Positioning
The Salt Spray Test Chamber with Salinity Meter can be
manufactured to support salt spray testing procedures associated with
ASTM B117, ISO 9227 and applicable customer-specified JIS procedures.
The applicable test standard, specimen specification and customer
acceptance criteria must be confirmed before testing.
ISO 9227 covers neutral salt spray, acetic acid salt spray and
copper-accelerated acetic acid salt spray procedures. The exact chamber
configuration, reagent, temperature, pH, specimen position, exposure
duration and evaluation method depend on the selected procedure and the
product specification.
Official standards references:
ASTM B117 – Standard Practice for Operating Salt Spray Fog Apparatus
and
ISO 9227 – Corrosion Tests in Artificial Atmospheres
.
feature. Final test records should also include the checks required by
the applicable procedure, including collected fog solution, collection
rate, pH, temperature, test duration and specimen observations wherever
applicable.
Operating Procedure
Confirm the Required Test Procedure
Review the customer drawing, material specification and applicable
ASTM, ISO or JIS procedure. Confirm solution type, test temperature,
pH, duration, specimen orientation and reporting requirements.
Prepare the Saline Solution
Use suitable-quality sodium chloride and purified water as required
by the approved procedure. Prepare the solution in a clean,
non-reactive container or in the designated solution tank.
Check the Configured Tank Volume
Confirm that the volume entered or programmed in the saline
concentration meter corresponds to the actual solution quantity.
An incorrect volume setting will produce an incorrect NaCl
correction value.
Observe the Salinity Display
Allow the solution to mix uniformly and wait for a stable reading.
The upper line displays concentration. When concentration is low,
the lower line displays the approximate quantity of NaCl to add.
Add NaCl Gradually
Add the calculated quantity gradually while circulating or mixing
the solution. Allow the salt to dissolve fully and verify the
concentration again before starting the test.
Verify pH and Other Parameters
Check the online pH reading and confirm it using the approved
procedure where required. Verify chamber temperature, compressed
air, fog collectors, solution level and specimen placement.
Start and Record the Test
Start fog generation and record all required operating parameters.
Inspect and document the test according to the customer’s approved
inspection and reporting plan.
Calibration and Verification
Reliable indication depends on proper calibration, sensor cleanliness and
solution temperature. The salinity measurement system should be checked
against traceable or known reference solutions at planned intervals.
Verification near the normal working concentration is especially important.
Salinity Meter Verification
- Clean the sensor before verification.
- Use freshly prepared or certified reference solutions.
- Allow the sensor and solution temperature to stabilize.
- Check readings below, near and above the nominal target.
- Record observed deviation and corrective action.
- Do not use a damaged or heavily coated sensor.
pH Meter Calibration
- Rinse the pH electrode using clean distilled or DM water.
- Calibrate with suitable fresh buffer solutions.
- Allow readings to stabilize before adjustment.
- Never wipe the glass bulb aggressively.
- Store the electrode in the recommended storage solution.
- Replace an aged or slow-responding electrode when required.
Calibration frequency depends on the testing workload, contamination,
sensor condition, internal quality procedure and accuracy requirement.
A calibration and maintenance register should be maintained for the
chamber and all associated instruments.
Applications
The Salt Spray Test Chamber with Salinity Meter is
suitable for manufacturers and laboratories evaluating coatings,
platings, finishes and corrosion-protection systems.
Automotive Components
Fasteners, brackets, stampings, plated parts, painted assemblies,
underbody components and other corrosion-sensitive automotive items.
Electroplating Industry
Zinc, nickel, chrome, zinc-nickel, passivation, phosphating and
other plated or conversion-coated products.
Powder Coating and Paint
Powder-coated panels, painted sheet metal, fabricated enclosures,
furniture parts and industrial coating systems.
Fasteners and Hardware
Nuts, bolts, screws, washers, hinges, locks, handles, tools and
architectural hardware.
Electrical Enclosures
Control panels, cabinets, junction boxes, outdoor enclosures and
coated electrical hardware.
Laboratories and R&D
Incoming inspection, process development, supplier evaluation,
comparative testing and quality-control studies.
Safety and Operating Precautions
- Operate the chamber only through trained personnel.
- Use suitable gloves, eye protection and workplace safety procedures.
- Do not add dry salt directly near an exposed measuring sensor.
- Ensure complete dissolution and uniform mixing before taking a final reading.
- Use clean containers and avoid contamination of the prepared solution.
- Confirm that the entered solution volume matches the actual prepared volume.
- Do not treat the displayed correction as a substitute for calibration.
- Use clean, regulated and suitable compressed air for atomization.
- Keep the chamber drain, nozzle, collectors and solution lines clean.
- Do not open the chamber unnecessarily during an active test.
- Follow the applicable standard and customer test specification.
- Isolate the electrical supply before maintenance or cleaning.
Related MCS Corrosion-Testing Products
Compare other standard and custom models manufactured by UMA Industries:
Frequently Asked Questions
What is the available chamber capacity?
UMA Industries manufactures this MCS chamber from 200 litres to
1000 litres. The final internal dimensions are selected according
to specimen size, loading arrangement and user requirements.
What does the saline concentration meter display?
The upper line of the 16×2 LCD displays saline concentration.
When concentration is low, the lower line displays the calculated
quantity of NaCl to be added in grams. It also displays a
concentration-OK message or a high-concentration warning.
How does the NaCl correction calculation work?
The meter compares the measured value with the nominal MCS target
and uses the configured solution volume to calculate the approximate
NaCl quantity required. Correct entry of the actual solution volume
is essential for a correct result.
Is chamber volume used for the salt calculation?
No. The internal chamber volume and saline solution volume are
different. The meter must be configured according to the actual
volume of saline solution being prepared.
Does the meter remove excess NaCl automatically?
No. The current system provides a high-concentration warning.
The operator must correct the solution according to the approved
dilution or replacement procedure and then verify it again.
Is a pH meter included in the control panel?
Yes. The selected configuration includes an online panel-mounted
pH meter for monitoring the saline solution. The electrode requires
regular cleaning, correct storage and calibration.
Is humidity displayed?
Yes. Digital humidity indication is provided as an additional
operating parameter together with temperature, pH and salinity
monitoring.
Is the chamber suitable for ASTM B117 and ISO 9227?
The chamber can be configured to support test procedures associated
with ASTM B117 and ISO 9227. The required model, controls and
accessories must be selected according to the applicable procedure
and customer specification.
Can the chamber be manufactured for large components?
Yes. UMA Industries manufactures custom MCS chambers up to
1000 litres within this product range. Share the specimen dimensions,
quantity, loading orientation and required test procedure for correct
model selection.
Who manufactures the chamber?
The product is manufactured by UMA Industries and supplied under
the MCS brand.
Request a Custom 200–1000 L MCS Salt Spray Chamber
Send the required chamber capacity, specimen dimensions, test standard,
automation requirement and delivery location for a technical quotation.
Brand: MCS |
Manufacturer: UMA Industries
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