ZDJ-4A automatic potentiometric titratorDetailed product description：

The main features of ZDJ-4A automatic potentiometric titrator are:

Adopting LCD display screen and Chinese operation interface, it can display relevant test parameters and measurement results
Specialized titration modes can be generated using pre titration, preset endpoint titration, blank titration, or manual titration functions
Different electrodes can be used for various titrations and pH measurements, including acid-base titration, redox titration, precipitation titration, complexometric titration, non-aqueous titration, etc
Equipped with power-off protection function
The mixing system adopts PWM modulation technology, software speed regulation, and low noise
Equipped with RS-232 communication interface, it can be externally connected (TP-16, TP-24 or TP-40) for serial printing, printing test data, titration curves and calculation results
The REX1.0DC lightning magnetic data acquisition software can communicate with a computer and display real-time on the computer. It is also possible to edit and modify the titration mode, achieve remote control operation, and calculate various statistical results. The titration system uses materials resistant to perchloric acid corrosion

Main technical indicators:
Instrument level: 0.05 level
1. Measurement range resolution
pH：(0.00～14.00)pH 　　　　 pH：0.01pH
MV: (0~± 1800.0) mV mV: 0.1mV
Temperature: (-5.0~105.0) ° C Temperature: 0.1 ° C

2. Basic error:
PH: ± 0.01pH ± 1 word
MV: ± 0.03% (FS) ± 1 word
Temperature: ± 0.3 ° C ± 1 word
3. Allowable deviation of burette capacity:
10ml burette: ± 0.025ml
20ml burette: ± 0.035ml
4. Input impedance: not less than 3 × 1012 Ω
5. Stability: ± 0.3 mV ± 1 word/3h
6. Power supply: AC (220 ± 22) V, (50 ± 1) Hz
7. Dimensions (mm): 340 × 400 × 400
8. Weight: Approximately 10 kg