Pocket-sized veterinary capnography and pulse oximetry — sidestream or mainstream EtCO2, SpO2 and respiration rate on a single rechargeable handheld.
Hero Media
Product Overview
The IWA-HM200 is a compact handheld monitor that brings true veterinary capnography and pulse oximetry to the point of care. It measures inspired and end-tidal CO2, respiration rate and oxygen saturation, displaying a live capnogram and plethysmogram on a 3.95-inch capacitive touchscreen.
End-tidal CO2 is measured by a built-in sidestream module, with an external mainstream CO2 sensor available for intubated patients. At 370 g with a 6-hour battery and USB-C charging, the IWA-HM200 is built for daily in-clinic checks and field emergency care — carried between exam rooms or taken on house calls.
Key Features
- True veterinary capnograph and pulse oximeter in one handheld unit
- Built-in sidestream EtCO2; external mainstream CO2 sensor supported for intubated patients
- Built-in SpO2 measurement — oxygen saturation and pulse alongside CO2
- 3.95-inch colour capacitive touchscreen with capnogram, plethysmogram and short-term trend display
- Real-time EtCO2 waveform with fast response — under 3 s at 100 ml/min sampling
- 20 Hz data sampling rate for responsive waveform rendering
- Three capacitive touch keys plus a mechanical power key for glove-friendly operation
- Audible and visual alarms with adjustable thresholds for EtCO2, respiration and SpO2
- 370 g pocket form factor with side hanging-bracket clip and charging cradle
- USB-C combined data and charging interface; 6-hour battery on a full charge
- Bilingual Chinese / English interface
Visual Evidence


Technical Specifications
| Device Type | Handheld veterinary capnograph / pulse oximeter |
| Parameters | EtCO2, FiCO2, Respiration Rate (RR), SpO2 |
| CO2 Sampling | Built-in sidestream; external mainstream CO2 sensor supported |
| Inspired & End-tidal CO2 Range | 0–40% |
| CO2 Resolution | 0.1% |
| Respiration Rate Range | 0–150 bpm, resolution 1 bpm |
| SpO2 Range | 20–100%, accuracy ±2% (70–100%) |
| Response Time | <3 s @ 100 ml/min; <3.5 s @ 75 ml/min |
| Initialisation Time | 2 min to basic performance |
| Data Sampling Rate | 20 Hz |
| Display | 3.95-inch colour screen with capacitive touch |
| Displayed Items | EtCO2, FiCO2 (units: %, kPa or mmHg), RR, capnogram, plethysmogram, short-term trend |
| Controls | Three capacitive touch keys + one mechanical power key |
| Language | Chinese / English |
| Data Interface | USB Type-C (combined communication and charging) |
| Power | Built-in 300 mAh lithium battery (non-replaceable), up to 6 hours on a full charge |
| Mounting | Side hanging-bracket clip; charging via cradle contacts |
| Weight | 370 g |
| Dimensions | 152 × 75 × 36 mm |
| Operating Environment | 0–40 °C, 10–90% RH (non-condensing), 53–107 kPa |
| Storage Environment | −20–50 °C, 0–93% RH (non-condensing), 53–107 kPa |
Clinical Applications
- Capnography during anaesthesia in canine, feline and equine patients
- Confirmation of endotracheal tube placement and ongoing ventilation monitoring
- Recovery-area monitoring of respiration and oxygenation after anaesthesia
- Emergency and critical-care assessment during resuscitation and transport
- Ambulatory house-call and field use where a benchtop monitor is impractical
Workflow & Setup Notes
- Use the built-in sidestream module for spontaneous or mask breathing; attach the external mainstream CO2 sensor in-line for intubated patients.
- The capnogram and plethysmogram render in real time once the 2-minute initialisation completes.
- Charge through the USB-C port or seat the unit in the charging cradle between cases.
- Set EtCO2, respiration and SpO2 alarm thresholds per protocol; alarms are both audible and visual.
Package Contents
- 1 × IWA-HM200 handheld monitor
- 1 × Charging cradle
- 1 × Veterinary SpO2 sensor
- 1 × Sidestream CO2 sampling kit
- 1 × USB-C cable and power adapter
- 1 × User manual
- Optional: external mainstream CO2 sensor with airway adapter
Downloads & Documentation
Brochure and user manual available on request through your distributor.
Why Choose IWA-HM200
- Capnography anywhere: true sidestream EtCO2 plus SpO2 in a 370 g handheld — no benchtop monitor required for spot checks or field work.
- Flexible CO2 sampling: built-in sidestream for mask breathing, external mainstream sensor for intubated patients.
- Fast, clear readings: real-time capnogram with under-3-second response and a high-resolution capacitive touchscreen.
- Shift-long portability: 6-hour battery, USB-C charging and a charging cradle keep the unit ready between cases.
Warranty & Support
Manufacturer warranty period [TBC]. Training, maintenance and servicing are provided through the local distributor. The built-in lithium battery is non-replaceable; sensors and sampling kits are wear items.
Frequently Asked Questions
- Does the IWA-HM200 measure both CO2 and SpO2?
- Yes. It is a true veterinary capnograph and pulse oximeter, measuring inspired and end-tidal CO2, respiration rate and SpO2 on one handheld unit.
- What is the difference between sidestream and mainstream CO2?
- The built-in sidestream module draws a gas sample through tubing and suits spontaneous or mask breathing. The optional external mainstream sensor sits in-line at the airway for intubated patients, with no sample tubing.
- How long does the battery last?
- The built-in 300 mAh lithium battery runs for up to 6 hours on a full charge and recharges over USB-C or in the cradle. The battery is non-replaceable.
- Which species does it support?
- Canine, feline, equine and other patients. CO2 and SpO2 are species-independent measurements; select an SpO2 sensor site (tongue, ear, paw) appropriate to the patient.
- Can it display CO2 in mmHg?
- Yes. CO2 concentration can be shown as a volume percentage (%), in kPa, or in mmHg.










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