HNP Mikrosysteme Micro Annular Gear Pump

Micro annular gear pumps mzrR-2521 & 2921
Pump for dosage in analytical instrumentation

• compact measurements diameter 13 mm, length 75 mm
• small dosage volumes - high flow rates
• high dosage precision precision CV 1 %
• high service life wear resistant tungsten carbide
• pulseless delivery - low shear stress rotary micro annular gear technology

Micro annular gear pumps mzrR - 2905 & 4605 & 7205
Pump for applications in production and process technology

• high dosage precision precision CV better 1 %
• high differential pressures achievable even with low viscous liquids
• compact measurements
• broad viscousity range methanol, water, solvents, adhesives, grease, gel
• pulseless delivery - low shear stress rotary micro annular gear technology
• high service life wear resistant tungsten carbide
• precision motor and sophisticated control DC-servomotor with integrated microcontroller

Specifications

Model	Displacement volume	Flow rate	Smallest dosage volume	Operating pressure range
mzr - 2521	1.5 µl	0.0015 * - 9 ml/min (min. 10 µl/h * )	0.25 µl	0 - 1.5 bar (22 psi)
mzr - 2921	3 µl	0.003 * - 18 ml/min (min. 10 µl/h * )	0.5 µl	0 - 3 bar (44 psi)

Model	Displacement volume	Flow rate	Smallest dosage volume	Differential pressure range
mzr - 2905	3 µl	0.003 - 18 ml/min (min. 10 µl/h * )	0.5 µl	0 -5 bar (73 psi) for water, 0 - 30 bar (435 psi) for oil
mzr - 4605	12 µl	0.012 - 72 ml/min	2 µl	0 -10 bar (145 psi) for water, 0 -50 bar (725 psi) for oil
mzr - 7205	48 µl	0.048 - 288 ml/min	5 µl	0 -40 bar (580 psi), 80 bar * (1160 psi * )

* with accessories

Principle of the micro annular gear pump

Liquid handing “Robotic Sample Processor”

8 low pressure pumps mzr - 2921
dosage amount: 1- 100 µl
precision: 1 %
flushing cycle: 40 ml/min