1.Several parameters can be shown on the same screen. It can simultaneously measure pX/pH, mV, conductivity, TDS, salinity, resistivity, dissolved oxygen, saturation and temperature. 2.It provides many common ion modes such as H+、Ag+、Na+、K+、NH4+、Cl-、 F-、NO3-、BF4-、CN-,Cu2+、Pb2+、Ca2+ 3.It follows GLP practice and can store and print 2200 sets of measuring data. 4.It provides zero oxygen and full scale calibration. 5.It provides three measuring modes: continuous measuring, timing measuring and balance measuring mode. 6.It has USB ports. If matched with communication software, it can be connected with PC. 7.It is small size and low-energy designed. The protection level is IP65 for portable work and field measurement.

Model		NB-DZB-712
Parameters		Conductivity/ DO/pH/pX/℃
Range	pH/ pX	-2.00~20.00
	ORP	±1999.9mV
	Conductivity	0.000μS/cm~199.9ｍS/cm
	Resistivity	0.00Ω·cm~20.00MΩ·cm
	TDS	0.000 mg/L~100g/L
	Salinity	0.00~8.00%
	DO	0.00~19.99 mg/L
	DO Saturation	0.0~199.9%
	Response Time	≤45s(90% respond at 20℃)
	Ion Concentration	(0~19990), unit: ug/L, mg/L, g/L, mol/L, mmol/L
	Temperature	-5.0~135.0℃
Resolution	pH/ pX	0.01
	ORP	0.1
	DO	0.01mg/L
	DO Saturation	0.10%
	Temperature	0.1℃
Accuracy	pH/ pX	±0.01±1 bit
	ORP	±0.1%FS
	Conductivity	±1.0%FS
	Resistivity	±1.0%FS
	TDS	±1.0%FS
	Salinity	±0.2%
	DO	±0.30mg/L
	DO Saturation	±10.0%
	Temperature	±0.3℃±1 bit
Temp Compensation		Auto, pH: 0.0~100.0℃; COND: 0.0~00.0℃; DO: 0.0~40.0℃
GLP Standard		—
Zero Offset&Full Scale Calibration		Yes
Ion Mode		Support multiple common ion mode (such as H+,Ag+,Na+,K+,Cl-,F etc…). Custom ion mode
Measuring Mode		3 (continuous measuring, timed measuring and balance measuring mode)
Data storage		2200 sets of data
View, delete and print		Yes
Display		Backlit LCD
Output		USB
Housing		IP65
Power		Four AA batteries
Dimension&Weight		210*100*45mm, 0.5kg
Standard Configuration		DJS-1DF Platinum Black Conductivity Electrode; E-201-CF pH Combination Electrode; DO-957F DO Probe; T-818-B-4F ATC Probe (waterproof); Standard Buffer