Allegro™ I Peristaltic Pump System

Allegro™ I Peristaltic Pump System
Single channel, Masterflex® Pump Head, Drive, and Controller
Order Code: 785501

The KD Scientific Allegro™ I Peristaltic Pump System allows maintenance free, continuous flow pumping of various liquids. The fluid contacts only the inside surface of the tubing negating concern for valves, O-rings or seals that might be incompatible with fluid being pumped.
  • One channel pump head
  • Flow rates up to 1500 ml/min
  • Accepts tubing ID sizes 0.8 mm (0.03 in) - 8.0 mm (0.32 in)
  • Compatible with Masterflex® L/S® 13, L/S® 14, L/S® 16, L/S® 25, L/S® 17 and L/S® 18 tubing
  • Clearly displays flow rate and total dispensed volume
  • User configurable multi-step operation
  • Dispenses in forward or reverse direction
  • Adjustable flow rate while pump is running
  • Stackable sealed remote pump drive with IP32 rating
  • Selectable tubing table
  • Automatic tubing break-in
  • Automatic calibration procedures
  • External connectivity with USB interface and I/O port
  • Easy to maintain
Tubing Size
(inner diameter min/max)
0.8-8.0 mm
Tubing Durometer Range
(Consult KD Scientific if using a higher durometer)*
Flow Rate (per channel, tubing dependent) Please see tube size flow rate chart
Accuracy ±1.0 % **
Display 4.3 in WQVGA TFT color display with touch screen
Non-Volatile Memory Stores all settings
  RS-485 IEEE-1394, 6 pos
  USB Type B
Input/Output (I/O) 15 pin D-Sub connector
Footswitch Connection Mini phono jack
Pressure (max) 30 psi
Drive Motor 1.8° stepper motor
Motor Drive Control Microprocessor with 1/16 microstepping
Step Rate:
  Minimum 27.5 sec/µstep
  Maximum 50 µsec/µstep
Maximum RPM:
  Allegro™™ I 375 RPM
Input Power 30 VDC, 1.67 A using approved Allegro™ power supply (included)
Input Power Connection 2.5 ID x 5.5 mm OD male plug
Power Supply 100-240 VAC, 50-60 Hz/30 VDC, 8 watts universal
Power Supply, use only a KD Scientific Use only a KD Scientific approved power supply and line cord
(Control Box)
(W x D x H)
22.9 x 19.7 x 7.6 cm
(9.0 x 7.75 x 3.0 in)
(Pump Motor/Head)
(W x D x H)
11.5 x 24.1 x 11.8 cm
(4.5 x 9.5 x 4.63 in)
Weight 2.66 Kg
(5.9 lbs)
Weight 2.66 kg (5.9 lb)
Operating Temperature 4°C to 40°C (40°F to 104°F)
Storage Temperature -10°C to 70°C (14°F to 158°F)
Ingress Protection IP32 (pump head & drive)
Storage Humidity 20% to 80% RH, non condensing
Method of Operation Continuous forward/continuous reverse
Classification Class I
Pollution Degree 1
Installation Category II
Regulatory Certifications CE, ETL (UL & CSA), CB scheme, EU RoHS, WEEE
Safety Declarations EN 61010-1:2001; CB scheme
EMC Declaration IEC 61326-1 Ed. 1

Allegro™ Specification Notes:
* The Allegro™ Peristaltic Pump System can run higher durometer tubing depending on the Allegro™ model and customer application. Please consult KD Scientific for additional information.
** Accuracy specification assumes user performance of tubing break-in and calibration. KD Scientific pumps are for laboratory use only. They have not been approved by the FDA for clinical use on patients. Specifications are subject to change.

785511 Allegro™ I Head/Driver Single channel, thin wall tubing head and head and drive
785521 Allegro™ Touch Controller Allegro™ touch controller for Allegro™ I, II, & III
785531 Allegro™ I to III Conversion Kit Single channel, thin wall tubing head and hardware
780225 Allegro™ Footswitch Footswitch with phono jack plug for Allegro™ I, II, & III
785542 Allegro™ Stacking Base Allows two Allegro™ head/drive units to be vertically stacked
788355 TTL Communication Cable Connects two Allegro™ controllers for programmable control
Tubing Masterflex® L/S® Tubing KD Scientific offers various tubing sizes and formulations for your applications
Tubing Size Tubing ID Max Flow Rate
L/S® 13 0.8 mm (0.03 in) 15 ml/min
L/S® 14 1.6 mm (0.06 in) 60 ml/min
L/S® 16 3.1 mm (0.12 in) 240 ml/min
L/S® 25 4.8 mm (0.19 in) 540 ml/min
L/S® 17 6.4 mm (0.25 in) 960 ml/min
L/S® 18 7.9 mm (0.31 in) 1500 ml/min