Pocket-size 2.4-inch pulse oximeter for fast SpO2 and pulse-rate spot-checks via tongue or ear, from the consulting room to the field.
Product Overview
The VM2 is the compact entry to our handheld pulse oximetry range. It measures SpO2 and pulse rate through the tongue or ear using photoelectric oxyhemoglobin detection, and shows values and the plethysmogram in real time on a 2.4-inch high-resolution TFT screen.
At 127 × 67 × 27 mm and 190 g, it fits in a coat pocket for ward rounds, triage, house calls and ambulatory work. A temperature channel is available as an option, and data can be transferred to compatible analysis software.
Key Features
- 2.4-inch high-resolution TFT screen with real-time values and plethysmogram
- Two configurations: SpO2 + PR, or SpO2 + PR + temperature
- Digital oximetry with motion-artifact rejection for readings on moving patients
- Stable acquisition under weak perfusion
- Audible, text and visual alarms in three priority levels
- Rechargeable lithium battery version: 850 mAh, up to 4 h continuous SpO2 monitoring
- Compatible with data-analysis software; multi-language interface
- Pocket-size 127 × 67 × 27 mm, 190 g
Visual Evidence & Media


Technical Specifications
| Display | 2.4-inch high-resolution TFT |
| Configurations | SpO2 + PR; SpO2 + PR + temperature |
| Measurement Site | Tongue or ear |
| SpO2 Range | 0–100%; resolution 1% |
| SpO2 Accuracy | 70–100%: ±4% (non-moving state); 0–69% not defined |
| Pulse Rate | 30–240 bpm; accuracy ±3 bpm (non-moving state); resolution 1 bpm |
| Temperature (optional) | 0–50 °C; accuracy ±0.1 °C; resolution 0.1 °C |
| Alarms | Audible, text and visual; three levels |
| Battery (lithium version) | Rechargeable lithium, 850 mAh |
| Working Time | 4 h (new, fully charged battery at 25 °C; continuous SpO2, minimum backlight, sound off) |
| Operating Environment | 5–40 °C; 15–80% RH, non-condensing; 86.0–106.0 kPa |
| Storage Environment | -20–50 °C; 10–95% RH, non-condensing; 55.0–106.0 kPa |
| Dimensions | 127 × 67 × 27 mm |
| Weight | 190 g |
| Packaging | 97 × 61 × 161 mm; gross weight 227.5 g |
Clinical Applications
- SpO2 and pulse-rate spot-checks in canine and feline patients during consultation and ward rounds
- Triage of respiratory-distress cases before oxygen supplementation
- Oxygenation checks during sedation and early recovery via the tongue
- House-call and ambulatory practice, including equine field work
- Combined SpO2 and temperature assessment with the temperature configuration
Workflow & Operating Notes
- Attach the SpO2 sensor to the tongue (sedated or anesthetized patients) or to the ear
- Power on with the left key; use the arrow keys and M key to navigate settings and alarm limits
- Read SpO2, pulse rate and plethysmogram in real time; alarms escalate through three levels
- Transfer stored data to compatible analysis software for review
Package Contents
- 1 × VM2 handheld pulse oximeter
- 1 × Veterinary SpO2 sensor
- 1 × Temperature probe (temperature configuration)
- Charging accessories (lithium battery version) [TBC]
- 1 × User manual
Downloads & Documentation
Product brochure and user manual are available on request — contact our sales team.
Why Choose the VM2
- Workflow efficiency: pocket-size, powered on in seconds, carried on every ward round and house call
- Clinical accuracy: motion-artifact rejection and weak-perfusion performance support readings on conscious and poorly perfused patients
- Practice economics: an SpO2 check at every station without committing a full monitor; choose the VM4 when a larger 4-inch display is needed
Warranty & Support
Warranty terms for the main unit are confirmed at the time of order. Probes, cuffs, cables and other accessories follow standard wear-item terms.
Frequently Asked Questions
- Where is the sensor placed?
- On the tongue or the ear. Tongue placement is typical in sedated or anesthetized patients.
- Can it measure temperature?
- Yes, with the SpO2 + PR + temperature configuration: 0–50 °C with ±0.1 °C accuracy.
- How long does the battery last?
- The rechargeable lithium version provides up to 4 hours of continuous SpO2 monitoring under the stated test conditions.
- How does the VM2 differ from the VM4?
- The VM2 has a 2.4-inch screen in a pocket-size body for spot-checks and mobile work. The VM4 has a larger 4-inch screen for easier reading at a distance during procedures and recovery.
- Is it suitable for large animals?
- The application range covers canine, feline and equine patients.














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