Mechanical vacuum controller
Mechanical vacuum controller - Provides an adjustable vacuum
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Samples soil water with suction cups, suction plates and laboratory lysimeters
- Easy handling
- Very robust, winter operation also possible
- Adjustable vacuum level
- Automatic readjusting within given tolerance range
- Pump size and pressure adjusted to operating conditions
- Battery operated (optional solar power)
4331/4L | 4331/4 | 4331/16 | |
Operating voltage [V DC] | 12 | 12 | 12 |
Pump capacity [L/ min] | 4 | 4 | 16 |
Power consumption [A] | 0,5 | 0,5 | 1,8 |
Maximum vacuum [hPa] | 150 | 500 | 500 |
Adjustable vacuum range [hPa] | ca. 30 bis 150 hPa | ca. 50 bis 500 hPa | ca. 50 bis 500 hPa |
Switching hysteresis | ca. 5 hPa oder 10 % | ca. 15 hPa oder 10 % | ca. 15 hPa oder 10 % |
Display | mechan. Manometer | mechan. Manometer | mechan. Manometer |
Protection | IP64 | IP64 | IP64 |
Dimensions [mm] | 240 x 160 x 180 | 240 x 160 x 180 | 240 x 160 x 180 |