KP26-V Micro Diaphragm Vacuum Pump
The Kamoer KP26-V is a compact diaphragm vacuum pump designed for gas sampling and transfer in OEM instruments. It combines a brushless DC motor, adjustable speed control, low power consumption, and a lightweight structure for integration into portable and space-constrained equipment.
With an open-flow rate of ≥1 L/min and an ultimate vacuum of ≤-0.06 MPa, the KP26-V is suitable for environmental gas detection, analytical instruments, and other compact pneumatic systems.
Key Features
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Open-flow rate of ≥1 L/min
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Ultimate vacuum of ≤-0.06 MPa
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Positive pressure up to 0.05 MPa
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Brushless DC motor
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PWM and 0–5 V speed control
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FG speed feedback
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Low power consumption of ≤2 W
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Reference noise level of ≤60 dB
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Lightweight design at approximately 52.5 g
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6 V and 12 V options
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24 V available as a custom configuration
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Designed to tolerate dry-running operation
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Reference product life of ≥10,000 h
Typical Applications
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Gas sampling in environmental monitoring equipment
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Gas transfer in analytical instruments
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Portable gas detection devices
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Compact vacuum and pneumatic systems
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OEM air-sampling modules
Technical Specifications
| Parameter |
Specification |
| Pump type |
Diaphragm vacuum pump |
| Open-flow rate |
≥1 L/min |
| Ultimate vacuum |
≤-0.06 MPa |
| Recommended maximum positive pressure |
0.05 MPa |
| Rated voltage |
6 V / 12 V |
| Custom voltage |
24 V |
| Power |
≤2 W |
| Motor type |
Brushless DC motor |
| Control |
On/off, PWM or 0–5 V speed control |
| Speed feedback |
FG, 1 pulse per revolution |
| Weight |
Approx. 52.5 g |
| Reference noise |
≤60 dB |
| Reference product life |
≥10,000 h |
| Operating temperature |
0–45°C |
| Relative humidity |
<80%, non-condensing |
| Recommended tubing |
3 mm × 5 mm |
Fluid-Contact Materials
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Pump head: PPS
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Pump body: PA6
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Diaphragm: EPDM
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Valves: EPDM
Chemical compatibility should be checked if the sampled gas contains corrosive vapors, aerosols, or condensate.
Motor Control
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PWM frequency: 10–30 kHz
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PWM amplitude: 5 V
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Motor stopped: 0%–10% duty cycle
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Speed-control range: 11%–100% duty cycle
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Analog input: 0–5 V
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Analog stop range: 0–0.5 V
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Analog speed-control range: 0.6–4.5 V
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FG output: 1 pulse per revolution
Reference performance was measured using air at 25°C, standard atmospheric pressure, and no load pressure. Actual flow and vacuum performance depend on the ambient conditions, gas properties, tubing resistance, filters, system leakage, voltage, and duty cycle.
Positive-pressure operation above 0.05 MPa is not recommended. For dusty gas streams, an inlet filter should be installed to protect internal components and extend pump service life.
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