KLFMA Series
Digital Mass Flow Sensor
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- Maximum applied voltage: 28V, Maximum load current: 80mA, Internal voltage drop: less than 1V
- D-analog output: 4~20mA Load impedance: 50~600Ω
| Series KLFMA | ||||||||
|---|---|---|---|---|---|---|---|---|
| Type | KLFMA 0125 | KLFMA 01100 | KLFMA 01200 | KLFMA 02500 | KLFMA 021000 | KLFMA 022000 | ||
| Fluid | Medium | Dry air, N2, CO2, Ar, Vacuum | Dry air, N2 | |||||
| Flow | Flow Range (L/min) | Air,N2 | 0.2~25 | 1~100 | 2~200 | 5~500 | 10~1000 | 20~2000 |
| CO2 | 0.2~12.5 | 1~50 | 2~100 | - | - | - | ||
| Setting Flow Range | Instantaneous Flow | 0.1 L/min | 1 L/min | 1 L/min | ||||
| Cumulative Flow | 1 L | 10 L | ||||||
| Accumulated Pulse Output (L/pulse) | 0.1 | 1 | 1 | 10 | 10 | 10 | ||
| Pressure | Pressure Range | -0.1~0.75 MPa | 0~0.8 MPa | |||||
| Max. Pressure | 1.0 MPa | |||||||
| Electrical | Supply Power | DC12~24V±10% | ||||||
| Current Consumption | 35mA 以下 | 55mA 以下 | ||||||
| Accuracy | Display Accuracy | ±3% F.S. ±1 digit | ||||||
| Analog Output Accuracy | ±3% F.S. | |||||||
| Repeat Accuracy | ±1% F.S. ±1 digit (±2% F.S. ±1 digit when digital filter 0.05s is selected) | |||||||
| Temperature | ±5% F.S. ±1 digit (0~50C: 25℃ reference) | |||||||
| Switch Output | Output Form | NPN open collector | ||||||
| Output Mode | Hysteresis mode/upper and lower limit comparison mode/accumulated pulse output mode Error output mode/switch output OFF mode |
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| On/Off | NPN/PNP open collector | |||||||
| Max. Load Current | 100mA | |||||||
| Max. Supply | DC30V | |||||||
| Internal Voltage Drop | NPN: 1V or less (load current 80mA) | |||||||
| Response Time | 50ms or less | |||||||
| Short Circuit Protection | Yes | |||||||
| Analog Output | Output Form | Current output: 4~20mA | ||||||
| Impedance | Voltage Output | Output impedance: about 1kΩ | ||||||
| Current Output | Maximum load impedance: 600Ω when power supply voltage is 24V, 300Ω when power supply voltage is 12V | |||||||
| Response Time | 50ms±40% | |||||||