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Potentiometric Auto Titrator (Titra+)

Labindia Analytical Potentiometric Titrator Titra+ comes with quick interchangeable imported burette assemblies with intelligent recognition for its volume size.This potentiometric autotitrator is perfect for all types of industrial applications. The Titra+ has composite differential electrode amplifier unit for potentiometric and voltametric/Karl Fisher titration having connectivity to various electrodes.

Three standard modes of titration namely incremental, equilibrium and cut-off mode is provided to perform all types of titrations. There is a real time clock for time display and report printout with run time indication. With a balance interface to directly transfer the weight. 50 methods can be stored and report of method parameter can be printed in Titra+.

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Labindia Analytical Potentiometric Titrator Titra+ has Storage Facility for 50 methods.
Standard Features of Automatic Titrator
  • Imported burette assembly of various sizes (5/10/25 ml) with NIST traceability.
  • Perform all types of titrations including Acid- Base, Non-aq, Redox, Complexometric, Precipitation as well as pH STAT Titrations.
  • Storage Facility for 50 methods.
  • GLP compliant printouts of results, data table, graphs etc. with alphanumeric entries of sample name, titrant name, identification no. & date for report authentication.
  • Auto calculation of results in various selectable units.
  • Can be used as a simple pH meter with display of pH, mV and temperature values.
  • PC Compatibility - Software & built in balance interface.
  • Two-tier password facility (admin and user) to protect stored methods from any misuse or unwanted change.
  • Complies with USP/BP/JP/EP/IP/ASTM standards.
  • Quick & easy interchangeability from titration mode to Karl Fischer titration mode.
Typical Specification
Volume determination by equivalence point, end point or pH STAT

Microcontroller based (Advanced version of microprocessor).

mV range

± 3200 mV


±0.1mV (±0.0016 pH)

Amplifier input impedance

> 10"12 ohms

Burette Resolution

1/20000 for 1o ml volume

Burette Volume

5 ml, 1o ml & 25 ml available

Filling time

<20 sec


Alphanumeric splash waterproof polyester soft keys


40 x 2 line back lighted liquid crystal display (LCD)

Titration Head

(a) Manual stand with swivelling arm

Stirrer System

Microcontroller based variable speed, high torque vortex stirrer with digital indication. Magnetic Stirrer optional.


(1) Electrodes for Potentiometric titration - {pH, Ion, Redox, Argentometric). a) Any combination electrode. b) Differential Electrode System comprising sensing (Indicator) Electrode with BNC Connector and Reference Electrode with 4mm Banana Connector. (2) Electrode for KFNoltametric titration with BNC/TNC Connectors. (3) Temperature sensor (PRT/PT100)


3-point Calibration with user entered buffer values and standardisation with 7 pH buffer

End Point detection

a) Potentiometric, b) Voltametric, c) Thermometric and Photometric.

Cut-off criteria

a) Volume b) End point c) mV/pH


1) Titrations –
a) Acid base,
b) Nonaqueous
c) Redox
d) Preciptiation
e) Complexometric
f) back titration
2) KF titration (Optional)


a) Molarity
b) % Assay (wt)
c) % volume (ml)
d) ppm
e) mg/I ijmg/g g) g/I h) meq/I I) moVkg
j) TAN and TBN for oil samples.

Method Storage

50 methods with parameters.

Titrant Molarity storage

20 Values


1) Method parameter.
2) Titration analysis report.
3) Titration analysis condensed report.
4) Titration data table. 5) Titration graphic report -
i) µIv/s mV
ii) µIv/s First derivative
iii)µIv/s Second derivative
iv) µIv/s Time
6) Auto evaluation report
7) Statistics report
8) End Point Titration report
9) Calibration report

Input/Output peripheral interface

a) Parallel Port :1No. for printer
b) Serial Port : 2 Nos. for Balance & PC


230 V AC ± 10%, 50 Hz.

Environmental Operating Conditions

a) Operation : Indoor
b) Temperature : Ambient to 45°C
c) Humidity: 5 to 90% non-condensing.

Automatic Titrators