ASP12-2B Digital Syringe Pump with 2 Syringes

EUR 2,417.40

(excl. VAT)

ASP12-2B is a digital syringe pump from Longer with two synchronous syringes, designed for accurate and nearly pulseless dosing of small to medium volumes. Features a color touchscreen with vertical display option and real-time adjustment. A reliable solution for labs and automated fluid handling systems.

Key features:

Precise, nearly pulseless dosing – even at ultra-low flow rates
Color touchscreen with vertical display option
Supports syringe sizes: 0.5 µL – 150 mL
Flow range: 3.3 pL/min – 226.0 mL/min
Real-time parameter adjustment during operation
LabVIEW-compatible and ready for integration via RS485 / Modbus
CE and UKCA certified
3-year warranty

This model can be ordered even if not in stock. Estimated delivery time is approximately 3 weeks.

Model/Product no.: LP-ASP12-2B

Weight: 3.65 kg

Stock status: Not in stock

pcs.

Description
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ASP12-2B Digital Syringe Pump with Two Syringes

The ASP12-2B from Longer is a digital syringe pump with two syringes, designed for precise and repeatable dosing of small and medium liquid volumes.
It supports multiple operating modes, including continuous dosing, and is compatible with various syringe sizes up to 150 mL.
The unit features a color touchscreen with vertical mounting capability and is easy to integrate into automated systems via RS485 and LabVIEW.

Key Features:

Operating modes: Single infuse, multiple infuse, single withdraw, infuse/withdraw (continuous), withdraw/infuse (continuous)
Number of syringes: 2
Syringe sizes: 0.5 µL – 150 mL
Supports up to 20 user-defined syringes (travel ≤140 mm, outer diameter 6.75 mm – 43 mm)
Flow range (depending on syringe): 0.0033 nL/min – 226.0 mL/min
Compatible with standard syringe models and brands (syringe not included)
Pusher resolution: 0.0326 µm/microstep
Linear speed: 0.416 µm/min – 180 mm/min
Linear speed resolution: 0.416 µm/min
Stroke length: 140 mm
Linear accuracy: <±0.35 % (stroke length ≥30 %)
Repeatability (CV): ≤0.03 % (stroke length ≥30 %)
Max thrust: 320 N (adjustable between 20 % and 100 %)
Fast forward / backward: Infuse or withdraw at maximum speed
Start status: Stop at power-on
EMC: CE and UKCA

Display and Control:

Color touchscreen
Screen rotatable 90° for vertical viewing
Screen lock for protection against unintentional operation
Stores up to 20 user-defined programs
Status indicator lights:
- Green: Ready/standby
- Blue: Running
- Red: Error
Audible alarm: Beep on keypress, near end of process, end of process and error
External Connections:
- Communication: RS485, Modbus RTU or LONGER OEM protocol
- Status outputs: 2 (e.g. for error, direction, program end)

Technical Specifications:

Pump power supply: DC24V / 15W
Adapter: AC 90–260V
Dimensions (L × W × H): 280 × 212 × 160 mm
Weight: 3.65 kg
Operating temperature: 0 – 40 °C
Relative humidity: <80 %, non-condensing

Warranty and Documentation:

3-year warranty
CE and UKCA certified (EMC compliant)
LabVIEW drivers and automation software included
Communication protocols and technical integration documents provided

Flow data for selected syringe sizes

Syringe Volume	Inner Diameter (mm)	Flow Range (nL/min – mL/min)
0,5 µL	0,10	0.0033 nL/min – 0.0014 mL/min
5 µL	0,35	0.040 nL/min – 0.0173 mL/min
10 µL	0,50	0.0816 nL/min – 0.0353 mL/min
25 µL	0,80	0.2090 nL/min – 0.0904 mL/min
50 µL	1,00	0.3951 nL/min – 0.1710 mL/min
100 µL	1,60	0.8360 nL/min – 0.3617 mL/min
250 µL	2,30	1.7275 nL/min – 0.7475 mL/min
500 µL	3,25	3.4493 nL/min – 1.4925 mL/min
1 mL	4,72	7.2752 nL/min – 3.1479 mL/min
5 mL	13,10	56.041 nL/min – 24.248 mL/min
10 mL	16,60	89.987 nL/min – 38.937 mL/min
20 mL	19,00	117.89 nL/min – 51.009 mL/min
30 mL	23,00	172.75 nL/min – 74.748 mL/min
60 mL	29,14	277.30 nL/min – 119.98 mL/min
100 mL	31.00	313.82 nL - 135.79 mL/min
150 mL	40.00	522.50 nL/min - 226.08 mL/min