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PRODUCT

MultiEmStat

The MultiEmStat is a versatile multi-channel potentiostat with 4, 8 or 12 independent EmStat potentiostats. The channels can perform experiments independently of each other.

The MultiEmStat is conveniently connected by means of a single USB connection and controlled by MultiTrace. Each potentiostat has eight (EmStat3) or nine (EmStat3+) current ranges: 1 nA to 10 mA/100 mA with a resolution of 1 pA at the lowest current range and can automatically select the optimal current range.

Galvanic Isolation

The MultiEmStat can optionally be equipped with galvanic isolation (G.I.) for each individual channel. In this case each channel has its own floating ground.

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Specifications

General
MultiEmStat3
MultiEmStat3+
dc-potential range ± 3.000 V ± 4.000 V
compliance voltage ± 5 V ± 8 V
maximum current ± 20 mA typical
and ± 15 mA minimum
± 100 mA typical
max. acquisition rate 150000 points/s 150000 points/s
Potentiostat
applied dc-potential resolution 0.1 mV 0.125 mV
applied potential accuracy ≤ 0.2% ±2 mV offset ≤ 0.3% ±3 mV offset
current ranges 1 nA to 10 mA (8 ranges) 1 nA to 100 mA (9 ranges)
measured current accuracy ≤ 1 % of current range at 1 nA

≤ 0.5 % at 10 nA

≤ 0.2 % at 100 nA to 100 uA

≤ 0.5 % at 1 mA, 10 mA and 100 mA

measured current resolution 0.1 % of current range

1 pA on lowest current range

maximum current ± 20 mA typical
and ± 15 mA minimum
± 100 mA typical
Electrometer
electrometer amplifier input  > 100 Gohm // 4 pF > 100 Gohm // 4 pF
rise time   approx. 100 μs approx. 100 μs
Other
MultiEmStat3 4-channel
MultiEmStat3+ 4-channel, MultiEmStat3(+) 8-channel, MultiEmStat3(+) 12-channel
housing 115 x 85 x 35 mm3 120 x 210 x 75 mm3
weight  0.260 kg 2 kg
interface USB USB
power external 5V adapter external 9V adapter
sensor connection  shielded cable with circular connector for WE, Sense (MultiEmStat3+), RE and CE

Techniques

Voltammetric techniques
  • Linear Sweep Voltammetry (LSV)
  • Cyclic Voltammetry (CV)
Pulsed techniques
  • Differential Pulse Voltammetry (DPV)
  • Square Wave Voltammetry (SWV)
  • Normal Pulse Voltammetry (NPV)
Galvanostatic techniques
  • Open Circuit Potentiometry (OCP)
Amperometric techniques
  • Chronoamperometry (CA)
  • Zero Resistance Amperometry (ZRA)
  • Chronocoulometry (CC)
  • MultiStep Amperometry (MA)
  • Pulsed Amperometric Detection (PAD)
  • Multiple-Pulse Amperometric Detection (MPAD)

Manufacturers

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Document

MultiEMStat3 and 3+ description

Industries

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