Data output
Signal amplitude: 0.1–10 nA, detection limit: 50 pA, noise: 20 pA
Low noise amplifier
Gain: 108–1011 V/A
Resolution: –10 V to +10 V (1.2 mV steps),
RMS noise: 0.5–22 pA
Low pass: 480 Hz
Rise time: 0.7 ms
Measuring electrode
Re-usable gold coated sensor chip with 1 mm or 3 mm diameter
Reference electrode
Platinum electrode pin in measurement chamber
Integrated computer
Windows OS, SURFE²R N1 Control (data recording and analysis software)
Fast solution exchange
200 μl/s
Continuous flow: 0.5–6 s
Time resolution: 5–30 ms
Fluidic components
2 pumps
fast switching valve
tubing cassette
IonJet with Y-fluidic
Solution handling
Autosampler with 53 positions, each ~ 10 ml and 2 teflon reservoirs, each ~70 ml
Solution consumption
Volume per measurement/substrate:
~300 μl (inhibitor: 1–2 ml)