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The Absolute Process Instruments 303‑C is a compact industrial-purpose panel meter and contact relay module designed for measuring low-level signals and activating control circuits. Built for reliability in automation and instrumentation systems, it enables precise signal detection and switching in processes such as sensor monitoring, alarm signaling, and discrete control.
Key Features:
Measures low-voltage analog inputs (e.g., 0–250 mV)
Contact relay output for switching control logic or alarms
Compact panel-mount design for easy installation
High accuracy and stability for critical measurement tasks
Designed for industrial environments per API’s rugged electronics philosophy
Specifications:
Model: 303‑C
Function: Panel meter with relay output
Input Range: 0–250 mV (analog)
Output: Contact relay (switching)
Power Supply: Standard industrial power
Mounting: Panel installation
Designed by Absolute Process Instruments (API), the 303‑C module combines accurate signal monitoring with reliable control switching, making it well-suited for industrial automation panels and process control systems.
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
