GENERAL FEATURES

Color High contrast LCD touchscreen, 7.0 inches.
Potential titration and photometric titration.
pH, pX, ion concentration and photometric measurement.
Smart operation, Auto-recognition, High throughput

Intelligent operation system provides features including user management, method management, sensor management, titrant management, data management and GMP management etc.
User four-level authority management and password management.
Method management function, built-in 30 sets titration methods and measurement methods.Support custom method, up to 200 sets of titration methods.
Connection with auto sampler to realize the automatic measurement and batch detection of samples.
Titration

Equipped with potential titration and photometric, titration module.
Expansion of the Detection Module for Dead-Stop, conductometric, and Thermometric Titration Analysis.
Replaceable burette with high-accuracy (5mL, 10 mL or 20 mL selectable).
1 extra burette driver can be installed (optional), support for dosing or titration.
Burette line using acid and alkali resistance, perchloric acid resistance, organic reagent corrosion resistant material, can be non-aqueous titration.
Support upper mixer and lower mixer.
Support the following titration modes: DET (dynamic equivalence point titration), MET (monotone equivalence point titration), SET (Preset Endpoint Titration), constant pH titration, constant speed titration, Blank titration, and MAT (manual titration).
Support acid-base titration, non-aqueous phase acid-base titration, REDOX titration, precipitation titration and complex titration and other titration methods.
Displays the test method, titration curve and measurement results in real time.
Formula editor can display calculation results directly.
Supports recalculation of original data.
Detection Module

Equipped with potential titration and photometric titration module.
Potential Module: DET (dynamic equivalence point titration), MET (monotone equivalence point titration), SET (Preset Endpoint Titration), constant pH titration, constant speed titration, Blank titration, and MAT (manual titration). Supports endpoint detection by derivative methods (first and second derivative).
Photometric Titration Module: Supports dynamic photometric titration and isometric photometric titration, including differential method and broken line end point judgment. Containing a multi-wavelength photometric electrode, with wavelengths being 470nm、520nm、570nm、620nm、650nm.
pH

1-3 points calibration with Standard Recognition.
Selectable pH buffer groups, including NIST, DIN and GB.
Automatic electrode diagnosis with pH slope and offset display.
Ion

1-3 points calibration.
Selectable measurement unit, including μg/L, mg/L, g/L, mmol/L, pX, ppm and ppb.²
Measurement modes are supported, including Direct Reading mode, Standard Addition mode, and GRAN mode.
Over 10 methods are built-in, including F-, Cl-, Br-, I-, NO3-, BF4-, NH4+, K+, Na+, Ca2+, Cu2+, Pb2+, Ag+, etc. User-defined method is supported.
Data management, Audit trial

Data Storage 1000 sets of each parameter (GLP-compliant).
Equipped with RJ45 network interface, RS-232 interface, and USB interface.
RS-232 communication for print and the print format can be alternate.
USB communication for PC software.
USB drive for method export and import, and data export with CSV or PDF format.
Support for barcode scanner and balance.
Specifications

Model

Ti-51

Repeatability

±0.1%

Burette

Accuracy

5mL Burette: ±0.010mL

10mL Burette: ±0.020mL

20mL Burette: ±0.030mL

Resolution

1/480000

Potential titration module

Titration Repeatability

±0.1%

Range

(-5.000～20.000)pH

(-2000.00～2000.00)mV

pX: (-2.000～20.000)pX

Ion: (1.000e-9 ~ 9.999e+9)μg/L, mg/L, g/L, mol/L, mmol/L, ppm, ppb

Resolution

pH: 0.001pH

mV: 0.01mV

pX: 0.001pX

Ion: Up to 4 significant digits

Accuracy

pH: ±0.002pH

mV: ±0.03% or ±0.1mV

pX：±0.002pX(pX1)，±0.005pX(pX2)

Ion：±0.3%

Fluctuation

±0.3mV/3h

Repeatability

≤0.1mV

Photometric titration module

Titration Repeatability

±0.1%

Resolution

（0.00～1500.00）mV

Support wavelength

470nm、520nm、570nm、620nm、650nm

Wavelength indication error

±10nm

Dark voltage

≤50mV

Photometric measurement stability

±10mV/15min

Temp. Compensation

Range

(-10.0～135.0)ºC

Resolution

0.1ºC

Accuracy

±0.1ºC

General

Power Supply

AC 100-277V~,50/60Hz

Dimensions

240×360×400mm，about 4kg

Net Weight

4 kg