Rain Test Chambers

Ingress Protection Testing for Water Resistance and Environmental Reliability. Water ingress is one of the most common causes of field failures in outdoor, automotive, electrical, and electronic products. Rain Test Chambers also known as Water Spray Test Chambers.

Standards Compliant Testing

IEC 60529 (IPX1 to IPX9K) | ISO 20653 | DIN 40050-9 (IPX9K) | MIL-STD-810 (Rain methods)

Validating Water Ingress Protection Under Real-World Conditions

Innovation Rooted in Engineering Depth

CME Rain Test Chambers—also known as Water Spray Test Chambers—are engineered to simulate controlled rainfall, splashing, and high-pressure water exposure to validate ingress protection and enclosure integrity.

Purpose-Built Water Ingress Test Chambers

CME Rain Test Chambers are designed specifically for ingress protection testing, with precise control over spray direction, flow rate, pressure, and test duration.

Unlike improvised spray setups, CME chambers provide repeatable, standards-compliant test conditions critical for certification and OEM qualification.

Compliance with Ingress Protection Standards

IEC 60529 (IPX1 to IPX9K)
ISO 20653
DIN 40050-9 (IPX9K)
MIL-STD-810 (Rain methods)

OEM-specific water ingress standards

Controlled and Repeatable Water Spray Performance

Accurate water ingress testing requires precise control of spray parameters.

CME chambers deliver controlled nozzle positioning, consistent flow rates, stable water pressure, and uniform coverage across the test specimen.

Typical Applications

Automotive components, EV systems, and lighting
Electrical enclosures and junction boxes
Electronics and outdoor equipment
Defense and aerospace components
Industrial machinery and controls

Data-Driven Ingress Protection Testing

Digitally recorded test parameters ensure repeatability, audit readiness, and traceability for certification and OEM validation.

Validate Water Ingress Protection

Define IPX and MIL-STD rain test methods with CME application engineers.

Model		ARC800IPX12M	ARC1000IPX12M	ARC600IPX34M	ARC3000IPX56M	ARC160IPX14C	ARC850IPX14C	ARC850IPX16C	ARC2450IPX16C
Numeral		IPX1-2	IPX1-2	IPX1-2	IPX5-6	IPX1-4	IPX1-4	IPX1-6	IPX1-6
Description		Drip Tank	Drip Tank	Osculating Tube	Jet Spray	Drip tank and Osculating Tube	Drip tank and Osculating Tube	Drip tank, Osculating Tube and Jet Spray	Drip tank, Osculating Tube and Jet Spray
Size	mm	800 x 800	1000(W) x 1000(D)	Radius : 600	-	500(W)x500(D)x650(H)	900(W) x 900 (D) x 1050 (H)	900(W) x 900 (D) x 1050 (H)	1300(W) x 1300(D) x 1450(H)
Size	inches	31.5 x 31.5	39.37 (W)x 39.38 (D)	Radius : 23.62	-	19.69(W) x 19.69 (D) x 25.60(H)	35.43(W) x 35.43(D) x 41.34(H)	35.43(W) x 35.43(D) x 41.34(H)	51.18(W) x 51.18 (D) x 57.08 (H)
Type		Open type movable				Test Chamber

Flexible Chamber Configurations

CME Rain Test Chambers are available in multiple configurations to support component-level and assembly-level testing.
Options include oscillating spray arms, rotating turntables, high-pressure spray systems, and customized fixture arrangements.

Manufactured for Durability and Consistent Performance

Water ingress testing places mechanical and corrosion demands on chamber components.
CME chambers are constructed using corrosion-resistant materials, robust plumbing systems, and sealed drives to ensure long service life.

Lifecycle Support with Levito

Through CME’s lifecycle partner Levito, rain test chambers are supported with installation, commissioning, calibration, preventive maintenance, and long-term service.

Why Choose CME Rain Test Chambers?

Standards-compliant water ingress testing
Precise and repeatable spray control
Digital-first monitoring and traceability
Flexible configurations for all IPX levels
Strong lifecycle and service support

Also Known As

Rain Test Chamber
Water Spray Test Chamber
Ingress Protection
Water Test Chamber
IPX Test Chamber
Water Ingress Test Chamber

What is a Rain or Water Spray Test Chamber?
A Rain or Water Spray Test Chamber is an environmental test system designed to evaluate a product’s resistance to water ingress under simulated rain, spray, or high-pressure water conditions. These chambers are used to verify enclosure sealing, durability, and functional reliability in wet environments.

What are Rain Test Chambers also known as?
Rain Test Chambers are also referred to as Water Spray Test Chambers, IP Rain Test Chambers, or Water Ingress Test Chambers, depending on the applicable standard and test method.

Which ingress protection (IP) tests can be performed using Rain Test Chambers?
CME Rain Test Chambers are designed to perform IPX1 to IPX9K water ingress tests as defined in IEC 60529 and ISO 20653, covering dripping water, spraying, splashing, jetting, and high-pressure wash conditions.

What industries typically require rain and water spray testing?
Rain and water spray testing is required across automotive and EV components, electrical enclosures, defense equipment, outdoor electronics, lighting systems, industrial machinery, and renewable energy products.

Which standards are supported by Rain / Water Spray Test Chambers?
CME Rain Test Chambers are designed to support IEC 60529 (IP ratings), ISO 20653, MIL-STD-810 Method 506 (Rain), and automotive and defense OEM specifications.

What is the difference between IPX and MIL-STD rain testing?
IPX testing focuses on enclosure ingress protection levels under defined water exposure conditions, while MIL-STD rain testing evaluates functional performance and durability under wind-driven rain and severe weather simulation.

How are CME Rain Test Chambers different from basic spray rigs?
CME Rain Test Chambers provide controlled water flow, pressure, nozzle configuration, repeatable test conditions, digital control, and data traceability, ensuring standards-compliant and reproducible results.

Can Rain Test Chambers be customized?
Yes. CME Rain Test Chambers can be customized for chamber size, nozzle layouts, water pressure and flow control, specimen rotation, automation, and integration with functional testing systems.

What safety and water management features are included?
CME Rain Test Chambers include water recirculation systems, filtration, drainage management, electrical safety interlocks, and corrosion-resistant construction to ensure safe and reliable operation.

What service and lifecycle support is available?
CME provides full lifecycle support through Levito, including installation, commissioning, calibration coordination, preventive maintenance, and long-term service support.

How do Rain / Water Spray Test Chambers fit into CME’s testing portfolio?
Rain Test Chambers integrate seamlessly with CME’s dust, salt spray, environmental, and combined ingress protection test systems for comprehensive IP qualification.