| Manufacturer # | 2500A VET |
| Manufacturer | Nonin Medical |
| Application | Handheld Pulse Oximeter |
| Oxygen Saturation Display Range | 0% to 100% SpO2 |
| Pulse Rate Display Range | 18 to 450 beats per minute (BPM) |
| Saturation Declared Accuracy (Arms)* | 70 – 100% ±3 digits for the Model 2000SL, 2000SA, and 2000T sensors. Below 70% is not specified for all sensors |
| Pulse Rate Declared Accuracy | ±3% ±3 digits |
| Alarm Volume | High: 70 dBA Low: 55 dBA |
| Informational Tone Volume | High: 65 dBA Low: 45 dBA |
| Measurement Wavelengths and Output Power** | Red: 660 nanometers @ 0.8 mW maximum average Infrared: 910 nanometers @ 1.2 mW maximum average |
| Indicators | Pulse Quality: LED, tricolor Numeric Displays: 3-digit, 7-segment LEDs, red Low Battery: LED, amber Alarm Bar: LED, bicolor Alarm Silence: LED, amber |
| Temperature | Operating: -20 to +50 °C (-4 to +122 °F) Storage/Transportation: -40 to +70 °C (-40 to +158 °F) |
| Humidity | Operating: 10% to 95% non-condensing Storage/Transportation: 10% to 95% non-condensing |
| Altitude | Operating: Up to 4,000 meters (13,123 feet) Hyperbaric Pressure: Up to 4 atmospheres |
| Power Requirements | Four 1.5V AA-size alkaline batteries (60 hours typical operation) NiMH rechargeable battery pack (40 hours typical operation) |