# Masimo Masimo Rad-5 SPO2/RESP Portable Monitor (Rad-5V)

> Source: https://shop.ezmedsource.com/products/masimo-masimo-rad-5-spo2-resp-portable-monitor-rad-5v

## At a glance

- **Manufacturer:** Masimo
- **Model:** Masimo Rad-5 SPO2/RESP Portable Monitor
- **Model number:** Rad-5V
- **Category:** Pulse Oximeter

## Description

The Masimo Rad-5V is a portable pulse oximetry monitor in Masimo's Rad series. It displays SpO₂ saturation, pulse rate, perfusion index (PI), and Signal IQ on a multicolor LED screen, drawing power from four AA alkaline batteries for extended field use. The unit is sized for handheld operation and includes battery-status indication. Clinical users deploy it for continuous or spot-check oxygen saturation monitoring in transport, clinic, or bedside settings where a compact, battery-powered sensor is preferred.

- Four AA alkaline battery power (30+ hours continuous operation)
- Multicolor LED display with Signal IQ indicator
- Portable form factor (7.8 x 3.8 x 3.5 inches, 1.3 lbs without batteries)

## Tech Info

- **Display:** Multicolor LED (SpO₂, pulse rate, PI, Signal IQ, battery status)
- **SpO₂ Accuracy:** ±2% (saturation range 70–100%)
- **Pulse Rate Accuracy:** ±3 bpm (range 25–240 bpm)
- **Dimensions:** 7.8 x 3.8 x 3.5 inches (200 x 97 x 90 mm)
- **Weight:** 1.3 lbs without batteries (0.6 kg)
- **Power:** Four AA alkaline batteries
- **Battery Life:** 30+ hours continuous operation
- **Operating Temperature:** 32°F to 104°F (0°C to 40°C)
- **Storage Temperature:** -4°F to 158°F (-20°C to 70°C)
- **Operating Humidity:** 15–95% non-condensing
- **Altitude Range:** -500 to 3,000 meters (-1,640 to 9,843 feet)

## Common Problems

- Power failure or weak display: battery depletion or poor battery contact; replace AA batteries and verify docking connector seating.
- Docking connector damage: corrosion or bent pins from repeated insertion or exposure to moisture; inspect connector for debris or oxidation.
- SpO₂ reading errors or dropout: poor sensor contact, patient motion, low perfusion, or internal calibration drift; verify finger placement and Signal IQ indicator.

## Specifications

| Spec | Value |
| --- | --- |
| Model | Rad-5V |
| Weight | 1.3 lbs without batteries |
| Dimensions | 7.8 x 3.8 x 3.5 inches |
| Battery Life | 30+ hours continuous |
| Display Type | Multicolor LED |
| Manufacturer | Masimo |
| Power Source | Four AA alkaline batteries |
| SpO2 Accuracy | ±2% (70–100% saturation) |
| Altitude Range | -500 to 3,000 meters |
| Operating Humidity | 15–95% non-condensing |
| Pulse Rate Accuracy | ±3 bpm (25–240 bpm) |
| Storage Temperature | -4°F to 158°F |
| Operating Temperature | 32°F to 104°F |

## Vendor offers

### Pioneer Biomedical

- **TradeIn** · Quote on request · availability: AvailableOnRequest
- **Repair** · Quote on request · availability: AvailableOnRequest
- **Rent** · Quote on request · availability: AvailableOnRequest
- **Purchase** · Quote on request · availability: InStock

### Prescott's Med

- **Repair** · Quote on request · availability: AvailableOnRequest
- **Purchase** · Quote on request · availability: InStock

## Documents

- [Masimo_Rad5_Service_Maintenance](https://storage.googleapis.com/ezmedsource-product-images/product-manuals/1f916771e2633da6.pdf) — manual

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