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Benchtop Type

T-720 Precise PH/Conductivity Meter

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Suitable for high precision pH/conductivity measurements in scientific research, quality control, biotechnology and fine chemistry industry.

Main Features:

●7 inch colored capacitive screen with high resolution (1024*600) and sensitivity, which can show more parameters, more intuitive and simpler to read data.

● Meet GLP norms, with auto calibration, auto temperature compensation, data storage, USB data export, clock, wireless printing, function setup, smart self-diagnosis and other intelligent functions.

●English and Chinese operating system, humanized design with adjustable screen brightness.

●Built-in big memory can store 1000 sets of test data which can be saved and transferred to USB flash drive and opened with Excel, very easy and convenient for edit.

● Auto recognition of 8 kinds of standard conductivity solutions and there are two series of standard solutions for option: Europe & USA series and China series.

●With standard Bluetooth module and support wireless Bluetooth printing to make operations much easier for users. Optional data transmission to PC and cell phone via wireless Bluetooth.

● Adopt advanced conductivity measurement technology, one point calibration of conductivity electrode with constant K=1 can meet the measuring accuracy requirements for test 0.5μ S/cm ~ 200mS/cm.

●Able to switch between conductivity, TDS, salinity and resistivity. Multinomial calculation for TDS and salinity to ensure the conversion precision of the full scale.

● Auto recognition of standard pH buffers. There are three series of standard buffer solutions for option: Europe & USA, NIST and China series.

●Smart judge of electrode status to ensure accurate use for operators.

●With standard Bluetooth module and support wireless Bluetooth printing to make operations much easier for users. Optional data transmission via wireless Bluetooth.

●IP54 dustproof and waterproof housing.



Measuring range



Input current

Input impedance


Temp compensation

(-1.99 ~ 19.99) pH

0.1/0.01 pH

Electrode: ±0.02

≤1×10-12 A

≥1×1012 Ω

±0.02 pH/3h

(0 ~ 100)℃auto or manual


Measuring range(mV/ORP/EH)



-1999.9mV ~ 0 ~ 1999.9mV


±0.03% FS



Measuring range








Temp. compensation range

Electrode constant


 (0.00~20.00) μS/cm   (20.0~200.0) μS/cm

(200~2000) μS/cm    (2.00~20.00) mS/cm

(20.0~200.0) mS/cm  (200~2000) mS/cm(K=10)

Resistivity: (0 ~ 100) MΩ·cm   TDS: (0 ~ 100) g/L

Salinity: (0 ~ 100) ppt

0.01/0.1/1μS/cm  0.01/0.1/1 mS/cm

Electrode: ±0.5% FS, Instrument: ±0.80%FS

(0 ~ 50) ℃ (auto)

0.1/0.5/1/5/10/50/100 cm-1




Measuring range



-10℃~ 110℃


5~ 60℃: ±0.4℃  Others: ±0.8℃

Other Technical Parameters


Data storage

Power requirements

Communication connectors


1000 sets


Bluetooth, RS232,USB

240 × 170 × 70mm/600g

Working Conditions


Ambient temperature

Ambient humidity

IP rating

5 ~ 35 ℃



Standard configuration:

1. T-720 precise pH/conductivity meter                                  1unit

2. Plastic pH/ATC three-in-one composite electrode                          1 pc

3. Glass PH composite electrode                                      1 pc

4. Temperature electrode                                           1 pc

5. 2401-M conductivity electrode                                      1 pc

6. 602 rotary electrode holder                                       1 pc

7. Standard pH buffer solutions (pH4.00, pH6.86, pH9.18/50mL/bottle)              3 bottles

8. 1408μS/cm standard conductivity solution(50ml)                          2 bottles

9. 12V power adapter for instrument                                    1 pc

10. Instruction manual                                             1 copy

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