Next Advance SP300 - Manual (Page 13)

NEXT>>>ADVANCE www.nextadvance.com
SP300 Programmable Syringe Pump
Publication #1200-01 10 03/23/10
9.2 Troubleshooting and Maintenance
Maintenance: Periodically, a small amount of all-purpose oil should be applied to the guide rods.
The mechanism should be kept clean to prevent impeded operation.
No other special maintenance or calibrations are needed
Pusher block makes a snap or click sound when the pump is started: This is a normal condition.
When the pusher block is manually moved, the drive-nut may not have been fully engaged on the drive
screw. The sound heard is the drive-nut engaging on the drive screw.
9.3 Specifications
Mechanical & Electrical
Syringe sizes: Up to 140 cc
Number of syringes: 1
Motor type: Step motor
Motor steps per revolution: 400
Microstepping: 1/8 to 1/2 depending on motor speed
Advance per step: 0.2126 uM to 0.8504 uM depending on motor speed
Motor to drive screw ratio: 15/28
Drive screw pitch: 20 revolutions/”
DC connector: 2.1 mm, center positive
Voltage at DC connector: 12V DC at full load
Amperage: 750 mA at full load
Power supply type: Unregulated linear external wall adapter, country and power
source specific
Power supply output rating: 12V DC @ 800 mA
Dimensions: 8 3/4” x 5 3/4” x 4 1/2” High
(22.86 cm x 14.605 cm x 11.43 cm)
Weight: 3.6 lbs. (1.63 kg)
Operational
Maximum speed: 3.7742 cm/min
Minimum speed: 0.004205 cm/hr
Maximum pumping rate: 1257 ml/hr with a B-D 60 cc syringe
Minimum pumping rate: 0.73 l/hr with a B-D 1 cc syringe
Maximum force: 35 lbs. at minimum speed, 18 lbs. at maximum speed
Syringe inside diameter range: 0.100 to 50.00 mm
9.4 Custom Applications
For specialized and OEM applications, contact your dealer
or
Next Advance Inc. Custom modifications can be made to
the mechanics or the firmware.