Technical Specifications |
Display |
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64 x 128 pixels, reflective LCD, blue on yellow |
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Operational Modes |
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Standalone without any PC software or with the VT for Windows PC software. |
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Gas Types |
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Air, N 2 , N 2 O, CO 2 , O 2 , N 2 O bal O 2 , N 2 bal O 2 |
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Battery Power Supply |
Maximum Over-Voltage: |
15 V dc |
Input Voltage Range: |
9 V dc |
Power Consumption: |
< 70 mA |
Battery Life: |
7 hours |
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External Power Supply |
Maximum Over-Voltage: |
264 V ac |
Input Voltage Range: |
100 to 240 V ac |
Input Frequency Range: |
50/60 Hz |
Output Voltage: |
12 V to 15 V |
Output Current: |
1.2 A |
Fuse Rating: |
N/A |
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Low-Pressure Port |
Maximum Applied Pressure: |
5 psi |
Operating Pressure (Differential): |
- 20 cmH 2 O to 120 cmH 2 O |
Operating Pressure (Common-Mode): |
N/A |
Span Accuracy: |
+ 2 % of reading or 1.5 mmHg |
Frequency Response: |
10 Hz |
Resolution: |
0.1 mmHg |
Sample Rate: |
100 Hz |
Fittings: |
Flow connector with 2 tubes "T" connected to a single Luer fitting |
Note: |
No fluid may be applied to port |
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High-Pressure Port |
Maximum Applied Pressure: |
125 psi |
Operating Pressure: |
- 2 psi to 100 psi |
Span Accuracy: |
+ 2 % of reading or + 0.2 psig |
Frequency Response: |
10 Hz |
Resolution: |
0.1 psi |
Sample Rate: |
100 Hz |
Fittings: |
Single port, Luer lock, stainless steel |
Note: |
No fluid may be applied to port |
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Airway Pressure |
Maximum Applied Pressure: |
5 psi |
Operating Pressure: |
- 20 cmH 2 O to 120 cmH 2 O |
Span Accuracy: |
+ 2 % of reading or + 0.5 cmH 2 O |
Frequency Response: |
25 Hz |
Resolution: |
0.1 cmH 2 O |
Sample Rate: |
100 Hz |
Fittings: |
Internally connected to flow-sensor pressure lines |
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High-Flow Port |
Maximum Flow Rate (absolute value): |
200 lpm |
Operating Flow Range: |
+/- 200 lpm |
Accuracy: |
+/- 3 % of reading or +/- 2 % of range |
Floor for Absolute Accuracy: |
25 lpm |
Resolution: |
0.01 lpm |
Frequency Response: |
25 Hz or t 10-90 < 40 ms |
Sample Rate: |
100 Hz |
Dynamic Resistance: |
< 2 cmH 2 O @ 60 lpm |
Low-Flow Dropout: |
2.5 lpm |
Breath-Detect Threshold: |
4 lpm |
Volume Range: |
+/- 60 l |
Tidal Volume Accuracy: |
+/- 3 % of reading or +/- 20 ml, whichever is greater |
Fittings: |
15 mm OD/ID, 1:40 conical male |
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Low-Flow Port |
Maximum Flow Rate (absolute value): |
35 lpm |
Operating Flow Range: |
+ 25 lpm |
Accuracy: |
+ 3 % of reading or + 1% of range |
Floor for Absolute Accuracy: |
3 lpm |
Resolution: |
0.01 lpm flow > 1 lpm |
Frequency Response: |
25 Hz or t 10-90 < 40 ms |
Sample Rate: |
100 Hz |
Dynamic Resistance: |
< 2.5 cmH 2 O @ 5 lpm |
Low-Flow Dropout: |
0.24 lpm |
Breath-Detect Threshold: |
1 lpm |
Volume Range: |
+/- 60 l |
Volume Accuracy: |
+ 3 % of reading or + 2 ml |
Fittings: |
15 mm OD/ID, 1:40 conical male |
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Oxygen Measurement |
Range: |
0 to 100 % |
Accuracy: |
+ 2 % full-scale output |
Resolution: |
0.1 % O 2 |
Frequency Response: |
15 s (t 10-90 ) |
Sample Rate: |
100 Hz |
Calibration: |
Galvanic fuel cell |
Notes: |
Automatic partial pressure compensation for barometric and airway pressure changes |
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Recommended interval for changing oxygen sensor is one year. However, sensor may last longer. During user calibration of the sensor, the VT MOBILE can detect if the sensor needs to be replaced. |
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Barometric Pressure Measurement |
Range: |
8 to 18 psia (400 mmHg to 900 mmHg) |
Accuracy: |
+ 2 % of reading |
Resolution: |
0.1 mmHg |
Frequency Response: |
< 5 s (t 10-90 ) |
Sample Rate: |
N/A |
Calibration: |
Not required; however, device allows user calibration of offset |
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Inspiratory and Expiratory Tidal Volume |
Resolution: |
0.1 ml |
Range: |
10 l |
Accuracy: |
± 3 % expiratory minute volume |
Resolution: |
0.001 lpm |
Range: |
0 to 60 l |
Accuracy: |
± 3 % |
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Breath Rate |
Resolution: |
0.1 BPM |
Range: |
2 BPM to 150 BPM |
Accuracy: |
± 1 % inspiratory-to-expiratory time ratio (I:E ratio) |
Resolution: |
0.01 Range: 0.25 to 9.99 |
Accuracy: |
± 2 % or 0.1 s |
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Peak Inspiratory Pressure |
Resolution: |
0.1 cmH 2 O |
Range: |
± 120 cmH 2 O |
Accuracy: |
+ 3 % or 1 cmH 2 O |
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Inspiratory Pause Pressure |
Resolution: |
0.1 cmH 2 O |
Range: |
± 120 cmH 2 O |
Accuracy: |
+ 3 % or 1 cmH 2 O |
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Mean Airway Pressure |
Resolution: |
0.1 cmH 2 O |
Range: |
+ 80 cmH 2 O |
Accuracy: |
+ 3 % or 0.5 cmH 2 O |
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Positive-End Expiratory Pressure (PEEP) |
Resolution: |
0.1 cmH 2 O |
Range: |
- 5 to 40 cmH 2 O |
Accuracy: |
+ 3 % or 0.5 cmH 2 O |
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Peak Expiratory Flow |
Resolution: |
0.01 lpm |
Range: |
0 lpm to 150 lpm |
Accuracy: |
± 3 % or 2 % of range |
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Peak Inspiratory Flow |
Resolution: |
0.01 lpm |
Range: |
0 lpm to 150 lpm |
Accuracy: |
± 3 % or 2 % of range |
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Temperature |
Resolution: |
0.1 ˚C |
Range: |
0 ˚C to 50 ˚C |
Accuracy: |
± 1 ˚C |
Units: |
˚C, ˚F, ˚K |
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Humidity |
Resolution: |
0.1% |
Range: |
0 % to 100% |
Accuracy: |
± 5 % |
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RS232 Serial Communications |
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4-pin modular connector located on upper-left side of panel RS-232 compatible with the VT Plus for Windows software application (version 2.01.00 or higher.) |
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Environmental Specifications |
Operating Temperature: |
50 to 104 ˚F (10 to 40 ˚C) |
Storage Temperature: |
-13 to 122 ˚F (-25 to 50 ˚C) |
Operating Humidity: |
0 to 80 % non-condensing at temperatures to 31 ˚C, decreasing linearly to 50 % relative humidity at 104 ˚F (40 ˚C) |
Storage Humidity: |
0 % to 95 % non-condensing |
Operating Barometric: |
7 psia to 18 psia |
Storage Barometric: |
-1000 to 10000 ft (787.9 mmHg to 522.7 mmHg) |
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Dimensions (WxDxH) |
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10 cm x 20 cm x 3.8 cm (4 in x 8 in x 1.5 in) |
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Weight |
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