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Standard Features

  • ​​UL approved for Class I, Div 2 environments
  • Operating Modes
    • Constant flow or pressure with up to four pumps
    • Continuous flow or pressure with dual pump
    • Flow or pressure programming with single pump
    • Dispense mode
  • External Interface
    • RS232/485 serial interface
    • Analog voltage inputs​
    • Digital inputs and outputs
    • ​Ethernet/USB

Options and Accessories

  • Hastelloy 276 cylinder for added corrosion resistance

  • Temperature control jacket (i.e. cylinder cooling for filling with liquefied gas)

  • High-temperature pressure transducers (200 °C maximum)

  • High-precision pressure transducers (0.1% linear accuracy)

  • Drivers for LabVIEW - National Instruments

  • 4-20 mA input/output for flow rate and pressure control

  • Dual Pump Continuous Flow System - Air Valves​​​

​For a full list of product specifications, see the ​​data​sheet​​.

  Capacity Flow Range*
(mL/min)		 Flow Accuracy** Pressure Range
(psi, bar)		 Standard 
Pressure Range		 Standard 
​Plumbing Ports		 Dimensions ​Continuous Flow Range (mL/min)
1000HLf 1015 mL 0.001–408 0.5% of Setpoint 10–2,000
0.7–137.9		 0.5% FS 1/4” NPT 40.3x10.7x18.4 in
102x27x47 cm		 0.01–265
500HLf 507 mL 0.001–204 0.5% of Setpoint 10–3750
0.7–258.6		 0.5% FS 1/8” NPT 40.3x10.7x18.4 in
102x27x47 cm		 0.001–132
260HLf 266 mL 0.001–107 0.5% of Setpoint 10–7,500
0.7–517		 0.5% FS 1/8” Valco 39.8x10.7x18.4 in
101x27x47 cm		 0.001–70
100HLf 102 mL 0.01 μL–60 0.3% of Setpoint 10–10,000
0.7–689.5		 0.5% FS 1/8” Valco 39.8x10.7x18.4 in
101x27x47 cm		 0.00001–16

​​* Maximum and minimum flows are dependent on optimizing your pump system. Consult a Teledyne ISCO Product Specialist to determine the best method for your application. For additional information, please consult the factory. Teledyne ISCO is continuously improving its products and reserves the right to change specifications without notice. All brand or product names mentioned herein are trademarks or registered trademarks of their respective holders.

** Flow rate accuracy is based on select conditions of fluid type, pressure and leakage rate.