GENERAL FEATURES

Color High contrast LCD touchscreen, 7.0 inches.
Potential, Conductometric, Dead-Stop, Photometric, and Thermometric Titration Analysis.
pH, pX, ion concentration and conductivity 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 titration method and measurement method, support custom method
Connection with auto sampler to realize the automatic measurement and batch detection of samples.
Titration

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 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.
Expansion of the Detection Module for Conductometric, Dead-Stop, Photometric, and Thermometric Titration Analysis.
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).
Conductometric Module: MET (monotone equivalence point titration). Supports endpoint detection by derivative and segment methods.
Dead-Stop Module: SET (Preset Endpoint Titration).
Photometric Module: DET (dynamic equivalence point titration), MET (monotone equivalence point titration). Supports endpoint detection by derivative and segment methods.
Thermometric Module: constant speed titration.

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.
Conductivity

1-3 points calibration with Standard Recognition.
Temperature compensation type (none, linear, pure water).
The reference temperature for linear temperature compensation is 20°C or 25°C. The linear temperature compensation coefficient is configurable.
Multi-reading feature allows auto-read, timed-read and continuous-read.

Data management, Audit trial

Data Storage 1000 sets of each parameter (GLP-compliant).
Support for GMP management, the GMP logs achieve the tracking and analysis of the the data.
RS-232 communication for print and the print format can be alternate.
USB communication for PC software.
USB drive for method export and import.
USB drive for data export with CSV or PDF format.
Support for barcode scanner and balance(specific model).
It needs GMP software to implement GMP management functions.
Includes

10 mL Burette (alternatives: 5 mL or 20 mL）
231-01 pH indicator electrode
213-01 Platinum electrode
216-01 Silver electrode
232-01-D Reference electrode
217-01-D Reference electrode
T-818-Q Temperature probe
pH standard powder(4.01, 7.00, 10.01)
DJS-1VTG Conductivity electrode (Combined with 51-C Conductometric and 51-D Dead-stop)
DGD-5-E photometric sensor (Combined with 51-P Photometric)
T-828-H Temperature probe (Combined with 51-T Thermometric)

Specifications

Model

Ti-51

Repeatability

≤0.2%

Burette

Accuracy

5mL Burette: ±0.010mL

10mL Burette: ±0.020mL

20mL Burette: ±0.030mL

Resolution

1/480000

Potential titration module

Titration Repeatability

≤0.2%

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 ±0.2mV

pX：±0.002pX(pX1)，±0.005pX(pX2)

Ion：±0.3%

Fluctuation

±0.3mV/3h

Repeatability

≤0.1mV

Conductometric titration module

Titration Repeatability

≤0.2%

Range and Resolution

0.000μS/cm～1.999μS/cm，0.001μS/cm

2.00μS/cm～19.99μS/cm， 0.01μS/cm

20.0μS/cm～199.9μS/cm， 0.1μS/cm

200μS/cm～1999μS/cm， 1μS/cm

2.00mS/cm～19.99mS/cm， 0.01mS/cm

20.0mS/cm～199.9mS/cm， 0.1mS/cm

200mS/cm～2000mS/cm， 1mS/cm

Electronic Accuracy

±0.5%FS

Accuracy

±0.5%FS

Fluctuation

±0.33%FS/3h

Repeatability

≤0.3%FS

Dead-Stop titration module

Titration Repeatability

≤0.2%

Polarization current Range

(0～0.199)μA，(0～1.999)μA，(0～19.99)μA，(0～199.9)μA

Polarization current detection Accuracy

±2%FS

Polarization voltage Accuracy

±2mV

Photometric titration module

Titration Repeatability

≤0.2%

Range and Resolution

(0.00～1500.00)mV，0.01mV

Wavelength

470nm，520nm，570nm，620nm， 650nm

Wavelength Accuracy

±10nm

Thermometric titration module

Titration Repeatability

≤0.7%

Range and Resolution

(0.0000～60.0000)ºC，0.0001ºC

Electromic Accuracy

≤0.001ºC

Temperature

Range

(-10.0～135.0)ºC

Resolution

0.1ºC

Accuracy

±0.1ºC

General

Power Supply

AC 80-250V, 47-63Hz

Dimensions

240×360×400mm，about 4kg

Net Weight

4 kg