# R3131A Advantest Spectrum Analyzer Used

**Additional Features:**

-   Frequency Range: 9 kHz to 3 GHz
-   Built-in high accuracy OBW, ACP and power measurement functions which can be applied to digital radio measurement
-   Frequency stabilization
-   Improved SPAN accuracy
-   Improved level accuracy
-   Improved ease of use through auto TUNE function total level accuracy guaranteed by auto CAL function
-   Standard interfaces: GPIB, RS232, Centronics and FD Drive
-   Large character display allows results to be seen
-   EMC measurement functions
-   Improved system operation speed
-   Operation key arrangement for ease of use
-   Compact and light weight  with a space-saving design
-   High performance realized within an economical platform

The Advantest R3131A Spectrum Analyzer is an easy-to-use personal spectrum analyzer which combines high accuracy necessary for digital radio measurement with excellent operability and usability. The Advantest R3131A can be used in diverse fields, for a multitude of applications.

This level of accuracy, plus one-button automated measurements for adjacent channel power, occupied bandwidth, and average and total power, make the Advantest R3131A well-suited to wireless design and troubleshooting needs.

Supplementing these quantitative measurements, the R3131A also provides automatic pass/fail limit testing, a valued feature for manufacturing applications.

## Details

- **Price:** 0.0 USD - 675.0 USD
- **Vendor:** Advantest
- **Type:** Spec An
- **Tags:** Advantest, Analyzers, Manufacturers, product_manual_group_1, Product_used, Spectrum

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| None | 0.00 USD | In stock |
| NIST Traceable | 525.00 USD | In stock |
| NIST Traceable with Full Data | 600.00 USD | In stock |
| ISO IEC 17025 Accredited | 675.00 USD | In stock |

## Images

- R3131A Advantest Spectrum Analyzer Used

---

> Source: [ValueTronics](https://valuetronics.com/products/r3131a-advantest-spectrum-analyzer-used)
> Updated: 2026-05-21