The CGR-30P is a fantastic product and EI has excellent customer service. EI is the leader in engine monitors with a strong track record.
- Customer
William G. from New York
- Aircraft
Cessna 182Q Skylane
- EI Instrument
8am–4:30pm PST M–F
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A-102 Adapter Plate
A-102
$28
Lead Time: Usually ships within 2–3 business days.

The CGR-30P is a fantastic product and EI has excellent customer service. EI is the leader in engine monitors with a strong track record.
I have been installing avionics since 1996. This was THE BEST wire harness I have ever seen!
Great product, frees up space
The equipment is fantastic, very intuitive, and easy to use.
Excellent tech help…
Pleasure supporting folks with like values.
Your customer service is excellent and your products are top quality!
The installation was straightforward and quite easy. Reliability and accuracy far exceed the original [aircraft’s] oil pressure/temperature systems. Also, the price was about a third of the cost to replace the gauge cluster.
Very affordable… great installation instructions. [I chose EI because of its] price point, certified primary.
Phone service for ordering was quick and easy. Shipping was quick.
Have had EI instruments in my past plane and current plane and they always performed flawlessly.
Nice experience working with [sales]… to configure my gauges.” Reason I chose EI? “Past experience with EI.