1. LCD display and intelligent guidance system. 2. Detailed display of titration methods, curves and results. 3. Replaceable high-precision burette (10ml or 20ml optional). 4. Support the following titration modes: DET (dynamic equivalence point titration), MET (monotonic equivalence point titration), SET (preset end point titration) and MAT (manual titration). 5. Support pH calibration and measurement. 6. Store up to 50 sets of titration data (in accordance with GLP) and 1 set of the latest titration curve. 7. Data can be easily transmitted to the printer through the RS-232 communication interface. 8. The titrator can be controlled by a computer via USB or RS-232 communication interface.

Model		ZDJ-4B
Burette	Repeatability	0.2%
	Accuracy	10ml Burette: ±0.025ml; 20ml Burette: ±0.035ml
	Resolution	10ml Burette: 1/10000; 20ml Burette: 2/10000
Mechanical Unit	Resolution	1/30000
	Charging speed	(55±10) s (Full burette)
Measuring Unit	Range	(-1800.0~1800.0) mv, (0.00~14.00)pH
	Resolutions	0.1mV, 0.01pH
	Accuracy	pH: ±0.01pH mv: ±0.03%FS
	Fluctuation	(±0.3mV±1bit) /3h
Temp. Compensation	Range	(-5.0~105.0) ℃
	Resolutions	0.1 ℃
	Accuracy	±0.3 ℃
General	Power Supply	AC (220±22) V; (50±1) Hz
	Dimension (mm)& Weight (kg)	340*400*400; 10