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PRODUCT

Sensit BT

The Sensit BT is ideal for electrochemical sensor applications. The Sensit BT connects via Bluetooth to your smartphone or tablet and controlled via the Android app PStouch. You can use the USB-C port to charge the Sensit BT or connect to a classic USB port on your PC and control the Sensit BT via our PC software PSTrace.

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

Dual-channel and Bipotentiostat

The Sensit BT.SPE can be used for running sequential measurements on two different Screen-Printed Electrodes (SPE’s) each with their own Reference, Counter and Working electrodes.

The second channel can also be used in Bipotentiostat mode, functioning as second Working Electrode versus the Reference and Counter electrode of channel 1. Both channels are recorded simultaneously in the Bipotentiostat mode.

The Sensit BT.SNS has a lead connected to the WE of channel 2 and can be used out-of-the-box for BiPotentiostat measurements.

On-board data storage

The Sensit BT is equipped with 500 MB internal storage memory.

Save measurements on-board as a backup. Or pre-program the device with a script and use the trigger button to run and store measurements: no need to connect a PC or smartphone. Browse and transfer all internally stored measurements back to the PC easily using PSTrace for Windows.

Do NOT CHANGE OR REMOVE THIS ELEMENT

Specifications

Versions
Sensit BT.SPE
Sensit BT.SNS
Sensor pitch 2.54 mm 2.54 mm
Electrode connections RE, WE, CE RE, WE, CE
Allowed sensor thickness Between 0.1 mm and 0.8 mm Between 0.1 mm and 0.8 mm
Maximum sensor width 11 mm 11 mm
Cable length 40 cm 40 cm
Connectors 2 mm banana 2 mm banana
Electrode connections RE, WE, WE2, CE RE, WE, WE2, CE
General
Low Speed mode
High Speed mode
Max Range mode
Full dc-potential range -1.2 to +2 V -1.7 to +2 V -1.7 to +2 V
Dynamic dc-potential range1 2.2 V 1.2 V 2.6 V
Compliance voltage -2.0 to +2.3 V 2
Maximum current ± 3 mA
Max. acquisition rate
(datapoints/s)
100 1000 100
Supports FRA/EIS NO YES NO
Potentiostat (controlled potential mode)
Channels BT.SPE: 2 channels both with WE, RE and CE
BT.SNS: WE, RE, CE and WE2
Applied dc-potential resolution 537 µV 395 µV 932 µV
Applied potential accuracy < 0.2% < 0.5% < 0.5%
Current ranges 100 nA, 2 uA, 4 uA, 8 uA, 16 uA, 32 uA, 63 uA, 125 uA, 250 uA, 500 uA,
1 mA, 5 mA
100 nA, 1 uA, 6 uA, 13 uA, 25 uA, 50 uA, 100 uA, 200 uA, 1 mA, 5 mA 100 nA, 1 uA, 6 uA, 13 uA, 25 uA, 50 uA, 100 uA, 200 uA, 1 mA, 5 mA
Current accuracy < 0.5 % of the selected
current range
< 2% for 100 nA current range
< 1% of the selected current range < 1% of the selected current range
Measured current resolution 0.006% of selected current range (5.5 pA on 100 nA range)
Measured potential resolution 56 uV
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 USB / battery
Communication USB (type C) and Bluetooth (Classic and BLE)
Dimensions 75 x 55 x 23 mm (excl. optional cable)
Weight 75 g
Battery life 12 hours at max. power consumption
Full charge in < 3 hours
Auxiliary port No
Storage memory 500 MB for storing up to 16 million datapoints

(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.

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

Manufacturers

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Document

Sensit BT Description

Industries

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