Our Salt Spray Tester Machine is widely used to check the anti-erosion quality of the surface of all materials after the rustproof of painting, anodizing, coating and electroplating and rust -proof of greasing. It is used to test the mechanical operations of all the parts and rust resistance of the completely charged extinguisher against weather condition. This testing machine find its application in production site, workshop and laboratory in the factory. In addition, it can get from us in different technical specifications to our customers. Salt Spray Tester Machine is widely used to test rust resistance of paint, surface coating, chemical, electronic and aerospace.

Technical Specification :-

Standard

DIN 50021: Salt spray testing
JIS Z2371 Methods of Salt Spray Testing
SGM-GM4465P Water Fog Humidity Test
ASTM B117 Standard Practice for Operating Salt Spray Apparatus
ASTM D1735-99 Standard Practice for Testing Water Resistance of Coatings Using Water Fog Apparatus
ASTM G85 - 11 Standard Practice for Modified Salt Spray (Fog) Testing
ISO7253:2001 Paints and varnishes Determination of resistance to neutral salt spray (fog)
ISO9227-2012 Corrosion tests in artificial atmospheres salt spray tests
ASTM B368-97 Standard Method for Copper-Accelerated Acetic Acid-Salt Spray (Fog) Testing (CASS Test)
ASTM B380-97(2007) Standard Test Method of Corrosion Testing of Decorative Electrodeposited Coatings by the Corrodkote Procedure.

NSS serial:

can option LED touch screen.
Machine adopts P.V.C material, corrosion resistance, easy to clean, no leakage phenomenon.
Have button type intelligent temperature control instrument, multiple sets of PID automatic routing,
High control precision, instrument can also be equipped with LCD touch screen.
108 l, 270 l testing machine cover adopts acrylic transparent roof, more than 480 l model adopts hard P.V.C plastic board, cover automatically opened and closed by cylinder, enclose the window light, may at any time to monitor the spray state machine and working state of the sample.
Tower spray system and device have salt liquid filter, no crystallization nozzle, spray uniform distribution, settlement free adjustment.
Sample number was laid (150 * 70 mm), such as 48 pieces can be placed in a 15 degree Angle, such as 32 can be placed in 30 degrees.
After completion of the experiment, with automatic mist device, the sample (s) can be observed clearly.
Clearance or continuous spray optional, multiple protection system, the use of safe and reliable.

CASS serial:

Adopts PVC&PP hard plastic, solid structure,acid, high temperature corrosion and alkali endurable, never aging. Ideal for neutral salt fog NSS, acetic acid test along, copper acetate CASS and other experimental requirements.
It use plastic precision nozzle and conical spray, nozzle long service life,mist evenly fast, no crystallization.
With USB interface, can insert U disk to download historical data (the alternative recorder.
Internal control, spray time without additional time relay.
Using LED LCD touch screen, can connect with computer to realize remote monitoring and operation, can be arbitrary switching in both Chinese and English.

Through the flow meter, high pressure valve to regulate brine flow and pressure of compressed air, to ensure uniform settlement of salt fog.
Use the manual water system, water shortage with the function of automatically added, make sure continuity of test.

Specification list:

Model	NSS	SP-HL-90	SP-HL-120	SP-HL-160	SP-HL-200
	CASS	SP-AHL-90	SP-AHL-120	SP-AHL-160	SP-AHL-200
	CCT	SP-AHL-90	SP-AHL-120	SP-AHL-160	SP-AHL-200
Interior dimensions (mm)	W	900	1200	1600	2000
	D	600	850	1000	1200
	H	500	600	600	600
Exterior dimensions (mm)	W	1460	1900	2600	3000
	D	910	1150	1450	1650
	H	1280	1500	1550	1600
Chamber Tank		270	480	800	1440
Solution Tank		50 L	90	90	120
Testing Temperature		NSS ACSS 351 / CASS 501
Air Temperature		NSS ACSS 471 / CASS 631
Solution Consistence		NaCl 5%
PH Value		NSS (Nacl) : 6.5~7.2 / CASS(Cu / CH COOH ): 3.0~3.2
Temperature fluctuation		0.5
Temperature uniformity		2. 0
Temperature Resolution		0.1
Spray quantum		1.0~2.0(ml/80cm2/h)
Chamber Material		polyvinyl chloride (P.V.C & P.P)
Heater		Corrosion-resistant titanium tube
Temperature sensor		Platinum Resistance (PT-100)
Safety device		Over-temperature protection , leakage protection
Ambient temp. & humid. range		+5 ~ +35 / <85%RH
Power Supply		AC 220V/50HZ/1P AC 380V/50HZ/3P

Corrosion-Resistant Build for Longevity

Constructed with fibre reinforced plastic (FRP), this Salt Spray Tester is engineered to withstand harsh test environments while resisting damage from corrosion. Its rustproof construction ensures minimal maintenance, delivering reliable performance over extended testing periods. The transparent, anti-corrosive acrylic cover allows users to observe experiments without exposure to mist or chemicals, further safeguarding both operator and machine.

Precise Test Control and Digital Accuracy

Equipped with a digital PID controller and instant response display, the machine delivers highly accurate temperature (0.1C) and humidity (2% RH) management. The adjustable test speed, sample size flexibility (up to 400 x 100 mm), and continuous/intermittent spray modes offer tailored test protocols. The touch panel or button interface provides users with intuitive operation and real-time monitoring capabilities.

Designed for Safety and Productivity

Prioritizing operator safety, this device includes over-temperature cut-off, low water protection, and an overflow alarm. The machines semi-automatic operation, manual or automatic drain options, and external salt solution tank enhance workflow efficiency. These features make it suitable for lab and industrial applications, providing fast, dependable results for paint, plating, and coating quality checks.

FAQs of Salt Spray Tester Machine:

Q: How does the Salt Spray Tester Machine operate during corrosion tests?

A: The Salt Spray Tester operates by creating a continuous atomizing mist within its FRP chamber using a glass nozzle. Samples are exposed to this controlled environment, with humidity maintained between 85-95% RH and temperature precisely regulated at 35 1C for salt spray or 50 1C for condensation. Operators can set the timer for up to 9999 minutes or hours, ensuring reliable, repeatable corrosion resistance testing.

Q: What types of specimens and surface treatments can be tested with this machine?

A: The machine is designed for testing up to 12 specimens simultaneously, each up to 400 x 100 mm in size. It is suitable for evaluating corrosion resistance in various surface treatments, including coatings, paints, metals, and platings, making it a versatile choice for laboratories, industrial quality control, and research screenings.

Q: When should I use the manual or automatic drain feature?

A: The manual or automatic drain function is selected based on operational convenience or workflow preferences. The automatic feature is ideal for scheduled maintenance or unmanned operation, ensuring the chamber is emptied safely. The manual drain is useful for quick, on-demand draining during sample changes or between tests.

Q: Where should the Salt Spray Tester Machine be installed for optimal performance?

A: For best performance, install the machine in an indoor, dust-free environment with stable ambient conditions and a reliable 220V AC power supply. The floor-standing unit should have enough clearance for specimen loading and safe operation, particularly around the chamber lid and control interface.

Q: What processes are involved in setting up a typical corrosion test?

A: To start a corrosion test, prepare and load up to 12 specimens in the chamber, fill the external salt solution container with up to 5 litres of solution, and configure settings using the digital PID controller. Adjust parameters such as spray method, temperature, humidity, and timer. Begin the test; the machine will maintain the set environment and display real-time data via the digital interface.

Q: How do the safety features benefit users during operation?

A: The tester includes over-temperature cut-off, low water protection, and overflow alarm to prevent damage to the machine and ensure operator safety. These features minimize risk during extended or unattended test runs, providing peace of mind and reducing the chance of testing errors caused by environmental fluctuations.

Q: What are the primary benefits of using this Salt Spray Tester for corrosion evaluation?

A: Using this machine offers precise and repeatable corrosion testing with digital accuracy, reduced maintenance due to its corrosion-resistant build, flexible operation with semi-automatic controls, and robust safety features. It helps manufacturers, laboratories, and quality control teams reliably assess protective coatings and surface treatments, ultimately enhancing product durability and compliance.