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Zero Ion Ionic Contamination Tester

The Zero Ion Meets the Requirements of IPC J-STD-001G TM650 2.3.25, NASA-STD-8739.1B sections 7.2-7.5, and other military specifications.

Resistivity of Solvent Extract (R.O.S.E.) Tester


Zero Ion
Ionic Contamination (Cleanliness) Tester

With today's high board densities, and fine-pitch surface-mount devices, in an era of ISO and other quality standards, the requirements for accurate contamination (cleanliness) testing are high. 

Ionic contamination testers were designed and implemented for the purpose of determining and monitoring the cleanliness of assemblies. Resistivity of Solvent Extract (ROSE) testers are utilized to ensure that cleaning processes remain within tolerance of IPC and MIL specifications. The Zero-Ion G3 ionic contamination tester meets industrial cleanliness specifications including IPC J-STD001-G Amendment 1, IPC-001 TM-650 2.3.25, MIL-STD-2000A, MIL-P-28809, and NASA-STD-8739.1B sections 7.2-7.5, and other military specifications through the use of dynamic measurement technology. 

The Zero-Ion has been in continuous production for nearly forty years and was selected as the "benchmark" unit for US Navy study "An In-Depth Look at Ionic Contamination Testing" conducted by the Electronics Manufacturing Production Facility (EMPF), Navy National Center of Excellence for Electronics Manufacturing. 

This system provides quick and precise cleanliness measurements of printed circuit assemblies, bare boards, and other electro-mechanical devices. Its ease of use and dynamic results in all three of the leading ionic tester equivalency formats, make the Zero-Ion tester the choice of electronics manufacturers all over the world. 

The unit's Windows PC based control system provides an operator friendly interface and captures all relevant testing data. The PC based control system automatically calculates NaCl/square equivalence (per military and IPC specifications and is equipped with virtually limitless test recipe capabilities. The combination of test board submersion and immersion spraying creates an environment whereby all of the soluble contamination is extracted and measured.

Accurate  - IPC (J-STD001G) and NASA Compliant 

Today's Zero Ion is designed to meet the cleanliness testing and process control challenges associated with modern circuit assemblies.

The Zero Ion was determined to be the most sensitive tester available by the US Navy. Because any cleanliness tester can only quantify contamination it extracts from an assembly, the Zero Ion utilizes an effective cross-flow extraction process, subjecting the circuit assembly to rapid fluid currents, assisting in the extraction, solubilization, and quantification of assembly residues. 

IPC J-STD001G now requires ionic testing as a process monitoring requirement. The Zero Ion meets this requirement, providing real-time process monitoring, eliminating the need for outsourced services. The Zero Ion performs non-destructive ionic contamination testing in just minutes, providing process assurance and peace of mind.

Dynamic Measurement Technology

The Zero Ion utilizes Dynamic Measurement Technology which increases the accuracy of the test by maintaining test fluid sensitivity throughout the testing process. This means the test solution is continually re-deionized during the test. The continual re-deionization process assures a high degree of solvent sensitivity during the test. In addition, the Zero-Ion utilizes an aggressive spray under immersion "flow-stream" to dislodge contamination from under components. 

Ambient Temperature Testing

The Zero Ion performs accurate cleanliness testing without needing to heat the test solution. Ambient temperature cleanliness testing eliminates the need for heaters, eliminating warm-up times while increasing equipment and operator safety. The Zero Ion's proprietary extraction process and dynamic measurement technology provide high levels of accuracy without the need for heat.


Zero Ion G3-12:
12" x 12" Board Capacity
304mm x 304mm

Zero Ion G3-18:
18" x 18" Board Capacity
457mm x 457mm

Zero Ion G3-24:
24" x 24" Board Capacity
609mm x 609mm

Zero Ion G3-CUS:
Custom sizes available up to 30" (762mm)


Dimensions 28" x 53 1/4" x 53"
Weight 288 lbs
Electrical Requirements (North America):  120VAC, 10 Amps
Electrical Requirements (Export):  230 VAC, 1 Phase, 5 Amps,
Test Method: Dynamic
Control System: All-in-One PC
Graphic User Interface / LCD Screen
Counter Top: ESD Safe Stainless Steel Counter Top with ESD Ground Plug  
Test Solution 75% IPA / 25%
Test Result Display: On Screen, PDF Report Writer, Excel Export