# Contec CMS50D: specs and price

**Price (US):** $8.99 at contecmedsystems.com (Budget-tier price per an eBay CMS50D listing; corroborated by Contec's own US storefront (contechealth.com), where sibling low-cost LED models (CMS50M, CMS50NA) sell new for $9.99-$10.99, confirming this is a genuine ultra-low price segment rather than an error.), as of 2026-08-01. A sourced, dated price of record — other retailers (incl. Amazon) may be lower. Among the 11 pulse oximeters we track it is the cheapest; category median $69.99.
**Brand:** Contec Medical Systems
**Deskmark:** Gold Deskmark — pay-blind category standing 63/100, #2 of 8 in class (independent, computed from sourced data, never for sale).

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | $8.99 |
| Brand | Contec Medical Systems |
| Spo2 range | 0-100% |
| Spo2 accuracy percent | ±2% (70-100%); ±4% under weak/low-perfusion signal conditions |
| Pulse rate range bpm | 30-250 bpm |
| Display type | LED display |
| Perfusion index | No |
| Continuous monitoring | No |
| Bluetooth | No |
| Battery life hr | 24 |

## Where it stands

At $9, the Contec CMS50D is the cheapest of the 11 pulse oximeters we track, where the median is $69.99. On the spec sheet, its battery life hr of 24 is below the median of the 8.

## Frequently asked questions

**How much does the Contec CMS50D cost?**

The Contec CMS50D has a US price of $8.99 (Budget-tier price per an eBay CMS50D listing; corroborated by Contec's own US storefront (contechealth.com), where sibling low-cost LED models (CMS50M, CMS50NA) sell new for $9.99-$10.99, confirming this is a genuine ultra-low price segment rather than an error.), as of 2026-08-01.

**How does the Contec CMS50D compare on price?**

At $9, the Contec CMS50D is the cheapest of the 11 pulse oximeters we track, where the median is $69.99.

**What are the Contec CMS50D's key specs?**

Contec CMS50D (Contec Medical Systems): spo2 range 0-100%, spo2 accuracy percent ±2% (70-100%); ±4% under weak/low-perfusion signal conditions, pulse rate range bpm 30-250 bpm, display type LED display, perfusion index No. Full sourced spec sheet verified 2026-08-01.

Source: https://www.contecmedsystems.com/showroom/contec-cms50d-fingertip-pulse-oximeter-spo2-sensor-ce-and-fda-approved.html (contecmedsystems.com, accessed 2026-08-01)
Corroboration: https://contechealth.com/products/contec-cms50m-pulse-oximeter-fingertip-blood-oxygen-saturation-spo2-pr-monitor-led (accessed 2026-08-01)
Canonical: https://frontdeskreview.com/product/pulse-oximeters/contec-cms50d/
Cite: Per The Front Desk Review, the Contec CMS50D price of record was $8.99 as of 2026-08-01 — https://frontdeskreview.com/product/pulse-oximeters/contec-cms50d/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl