Quality Instruments, Spare Parts, Service & Support from your Gas Sampling Specialists at ASI
Experience and Expertise from Hundreds of Reconditioned and Repaired CEMS Dilution Probes

Fast and Consistent Turnaround Times for your Serviced Equipment


Our Standard Service has become very popular with many of our customers. Many Utilities take advantage of this service during their scheduled maintenance shutdowns, as a part of their QA/QC and Periodic Maintenance practices.

We also offer probe Repair and complete Rebuild Services. We have seen some pretty distressed instruments over the years, rest assured ... we can help.

ASI is committed to communicate with you on a timely basis, provide accurate and detailed evaluations on equipment sent to our service center for a Service Quote, and to provide the Quality that you expect.



- Services for Dilution Instrumentation -

In-situ Dilution Probe Standard Service -- SRVC-PRB-A:
Inspection, cleaning, testing and provide performance data of In-situ and Out of Stack Diluting Probe Aspirators. in-depth...

In-situ Dilution Probe Line Repairs -- SRVC-PRB-A9:
Repair/Reinforcement of the 3 solder joint locations on the probe lines. This service is only available for units that qualify, based on evaluation and overall condition of the probe lines before and after the solder joint areas. in-depth...

In-situ Dilution Probe Extended Service -- SRVC-PRB-A3~5:
Repair of In-situ and Out of Stack Diluting Probe Aspirators (also includes Standard Service). This service is for damaged probes that require partial disassembly for minor repairs and parts replacement and re-welding.

In-situ Dilution Probe
Repair/Refurbish Service -- SRVC-PRB-A6:
Overhaul of In-situ Diluting Probe Aspirators. This service is for damaged probes that require such repairs as internal aspirator replacement (includes all new internal and external lines/tubing), or replacement of all external parts around original aspirator (includes all new internal and external lines/tubing). Call for more information or instrument evaluations.

Out of Stack Dilution System
Full Service -- SRVC-PRB-B:
Complete system service includes replacement of all gaskets & seals, bypass-pump cleaning and performance testing, Pyrex critical orifice inspection/cleaning/testing and provide performance data (also includes Standard Service for diluting aspirator). Extra charges are applied for replacement of defective parts (non-consumables).
in-depth...

Out-of-Stack Diluter Upgrade Upgrade Service -- SRVC-PRB-B2:
This service is for the EPM "-S" series out-of-stack diluting sampler. The service consists of converting the 3/4" stainless steel ferrules configuration at the diluter-tip, to a 3/4" graphite ferrule seal. This configuration facilitates easier maintenance and reduces the possibility of leakage at diluter-tip.
in-depth...

Out of Stack Dilution System (w/Inertial Filter)
Full Service -- SRVC-PRB-C:
Complete system service includes the cleaning of all system lines, by-pass-pump (eductor) and inertial filter. Monel® critical orifice inspection/cleaning/testing and provide performance data (also includes Standard Service for diluting aspirator). Extra charges are applied for replacement of defective parts (non-consumables).

OOS Bypass Pump
Standard Service -- SRVC-BPP-A:
Inspection, cleaning, testing and provide performance data of bypass pump ("High Efficiency" or "High Air Consumption type") that are used with Out of Stack Diluting Probes.

Critical Orifice Service (Monel® Type) -- SRVC-CO-A:
Inspection, cleaning & testing of critical orifice and provide performance test data. This service is for critical orifice used with Diluter Panels, Diluter Pumps, and Inertial Filtered Out of Stack Probes.

Critical Orifice Service (Pyrex®/Quartz type) -- SRVC-CO-A~B:
Inspection, cleaning & testing of critical orifice, includes replacement of fine filter and provide performance data. This service is for critical orifice used with In-situ and Out of Stack Probes.

Any other charges required during instrument servicing (that is not noted above) would be quoted on a case by case basis. The above noted services that require aspirator disassembly/repair, or full system overhauls are for preliminary estimates only. We will typically evaluate the system at our shop and submit a formal quotation before any work is performed. There is no charge for any of our evaluations!!

Get a Service Quote ...

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Alpha Suite Inc.  2020