Specifications
Speed	1 to 300 rpm, reversible
Speed precision:	1 rpm
Speed control	Rotary coded switch coupled with membrane keypad
Display	128×64 graphic LCD displays current running status
Copy number	1 to 999
Dispense volume	0.1 mL to 99.9 L
Pause time	1 to 999 s
Back suction angle	0 to 360°, 18° increments
Analog interface	Start/stop and cw/ccw control, 0 to 5 V, 0 to 10 V, and 4 to 20 mA speed control
Communication	RS485
Power	AC 220 V ± 10% 50/60 Hz (standard) AC 110 V ± 10% 50/60 Hz (optional)
Power consumption	< 50 W
Operating condition	Temperature 0 to 40°C, relative humidity < 80%
Dimensions (L × W × H)	202 × 160 × 239
Weight	4.3 kg
IP rating	IP31

Longer Precision Pump Co., Ltd, was founded in 1997, LongerPump is a wholly owned subsidiary of the Halma Group, and is affiliated to Medical Sector which specializes in R&D, production and the sale of precise fluid transfer and handling devices. Longer has always persisted on customer orientation, and we provide our customers with safe, high accuracy and quality fluid transfer devices and solutions. Our products not only include peristaltic pumps, laboratorial syringe pumps, industrial syringe pumps, micro-gear pumps, dispensing and filling systems, etc., which can also be customized and designed to OEM pumps according to the clients’ different needs. Longer has more than 40 series of products with over 300 specifications.