Sensit Smart

Smartphone potentiostat

  • Capable of EIS up to 200 kHz
  • Built around the EmStat Pico module
  • Potential range -1.7 to +2 V
  • Current ranges 100 nA – 5 mA (max ±3 mA)

 

Ready for shipment next day

Description

The Sensit Smart is the world smallest ready-to-go potentiostat available on the market. The Sensit Smart can be directly inserted in a smartphone or tablet and controlled via the Android app PStouch. You can use the USB-C Female to USB-A cable to connect the Sensit Smart to a classic USB port on your PC and control the Sensit Smart via our PC software PSTrace

The Sensit Smart supports most common electrochemical techniques, including Cyclic Voltammetry, Square Wave Voltammetry and Impedance Spectroscopy (FRA/EIS).

The Sensit Smart comes with:

  • Dummy Cell (SPE version)
  • SPE to screw-terminal adapter
  • USB-C Female to USB-A cable
  • USB-C Female to Micro USB adapter
  • USB-C Extension cable
  • USB-C port protector
  • PSTrace software for Windows (activation code for my.palmsens.com)
  • PStouch app for Android (find it in the Google Play Store)

Compatible with most common Screen Printed Electrodes / Sensors

Sensor pitch: 2.54 mm
Electrode connections: RE, WE, CE
Allowed sensor thickness: Between 0.1 mm and 0.8 mm
Maximum sensor width: 11 mm

Techniques

Voltammetric techniques

  • Linear Sweep Voltammetry (LSV)
  • Cyclic Voltammetry (CV)

Pulsed techniques

  • Differential Pulse Voltammetry (DPV)
  • Square Wave Voltammetry (SWV)
  • Normal Pulse Voltammetry (NPV)

Amperometric techniques

  • Chronoamperometry (CA)
  • Chronocoulometry (CC)
  • MultiStep Amperometry (MA)
  • Pulsed Amperometric Detection (PAD)

Galvanostatic techniques

  • Open Circuit Potentiometry (OCP)

Electrochemical Impedance spectroscopy (EIS)

  • Potential scan
  • Fixed potential
  • Time scan
Missing a technique? See cross-reference list

Specifications

General
Full dc-potential range -1.2 to +2 V
Dynamic dc-potential range [1] 2.2 V
Compliance voltage -2.0 to +2.3 V [2]
Maximum current ± 3 mA
Max. data acquisition rate (datapoints/s) 1000
Supports FRA/EIS Yes
[1]  The dynamic range is the range that can be covered during a single scan within the full potential range. For example; a linear scan can start at -1.5 V and end at 1.1 V or vice versa, covering 2.6 V dynamic range.
[2] The compliance voltage is the maximum potential between Working and Counter electrode and depends on the selected mode.
Potentiostat (controlled potential mode)
Channels

1 channel (1x WE, 1x RE, 1x CE)

Applied dc-potential resolution 537 µV
Applied potential accuracy < 0.2%
Current ranges 100 nA to 5 mA (10 or 12 ranges, depending on the mode)
Current resolution 0.006% of selected current range
(5.5 pA on 100 nA range)
Current accuracy

< 0.5 % of current ±0.1% of range

Measured potential resolution (for OCP) 56 uV (for OCP)
FRA / EIS (impedance measurements)
Frequency range 0.016 Hz to 200 kHz
Ac-amplitude range 1 mV to 0.25 V rms, or 0.708 V p-p
Electrometer
Electrometer amplifier input > 1 TΩ // 10 pF
Bandwidth  250 kHz
Other
Power and communication USB-C
Storage 4000 datapoints on-board
Size 43 x 25 x 11 mm (excl. USB connector)
Weight 10 g
Battery No
Auxiliary port No
Sensor connector SPE (pitch: 2.54 mm)
Operation temperature range 0 °C to +40  °C
EIS Accuracy Contour Plot

Software

PSTrace

PSTrace for Windows provides support for all techniques and device functionalities. With a smooth simple interface, showing only the applicable controls, PSTrace is suitable for all levels of user experience. Functions include:

  • Direct validation of method parameters
  • Equivalent Circuit Fitting
  • Automated peak search
  • Scripting for running an automated sequence of measurements
  • Open data in Origin and Excel with one click of a button
More information about PSTrace
PSTrace Method Editor

PStouch

PStouch works with all our single channel and multiplexed instruments. PStouch functions include:

  • Setting up and running measurements
  • Analysing and manipulating peaks
  • Sharing data directly via e-mail, Dropbox, or any other file sharing service
  • All files compatible with PSTrace

 

Get it on Google Play

More information about PStouch

Software Development Kits

The PalmSens Software Development Kits (SDKs) for .NET can be used with any of our instruments or OEM potentiostat modules to develop your own software. The SDK’s come with a set of examples that shows how to use the libraries.

PalmSens SDKs with examples are available for the following .NET Frameworks:

  • WinForms
  • WPF
  • Xamarin (for Android)
More information about SDKs for .NET

Compatibility

Is the Sensit Series immediately suitable for my application?

My sensor fits the connector.
The required electrochemical technique for my application is supported.
The analyte conductivity does not require a compliance voltage of 2/2.3 V.

Downloads

Software (2)

Name Last updated
PSTrace – PC software for all single channel instruments PSTrace software is shipped as standard with all single channel and multiplexed instruments. The software provides support for all techniques and device functionalities. 17-03-22
MethodSCRIPT code examples MethodSCRIPT code examples include:
- MethodSCRIPTExample_C
- MethodSCRIPTExample_C_Linux
- MethodSCRIPTExample_C#
- MethodSCRIPTExample_Arduino
- MethodSCRIPTExample_Python
- MethodSCRIPTExample_iOS
- MethodSCRIPTExample_Android
Every code example comes with a "Getting Started" document.
08-04-20

Documentation (4)

Name Last updated
MethodSCRIPT communication protocol v1.3 The MethodSCRIPT scripting language is designed to improve the flexibility of the PalmSens potentiostat and galvanostat devices for OEM users. It allows users to start measurements with arguments that are similar to the arguments in PSTrace. PalmSens provides libraries and examples for handling low level communication and generating scripts for MethodSCRIPT devices such as the EmStat Pico and EmStat4. 19-01-22
MethodSCRIPT communication protocol v1.2 MethodSCRIPT v1.2 protocol description 28-04-20
MethodSCRIPT communication protocol v1.1 MethodSCRIPT v1.1 protocol description 17-04-20
Sensit Smart – Brochure 08-04-20

Application Note (4)

Name Last updated
Vitamin C Detection with ItalSens IS-C This application note describes how to create a calibration for quantitative measurements of vitamin C. Due to the detailed description and harmless solutions this an excellent electrochemical experiment with liquids for beginners in the field of electrochemistry. 27-01-21
Limitations for EIS on EmStat Pico 18-12-20
Sensit Smart Glucose Calibration Curve This app note shows how to measure glucose concentrations using the Sensit Smart 08-04-20
How to connect cables to Sensit Smart Explains how to connect cables to the Sensit Smart 08-04-20
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