Drawell lab instrument ZD-2 /ZDJ-4B automatic potential titrator

Model  Specifications

ZD-2

Parameters

mV(ORP)/pH 

Measuring Range

±1400mV,0.00~14.00 pH

Resolution

1mV,0.01pH

Accuracy

±5mV,±0.03pH±1 bit

Control Titration Sensitive

±5mV,±0.1pH

Stability

±0.01pH/3h

Titration Mode

Manual, automatic, constant pH(potential) titration 

Display

LCD

Application

Potential titration to laboratory volumetric analysis

Power

AC(220±22)V; (50±1)Hz

Case outside serial No.

WXS-A010-1

Dimension (mm), Weight(kg)

300×235×100,3

Measurement range

pH: (0.00~14.00)pH;  mV: (-1800.0~1800.0)mV; Temp:(-5.0~105.0)℃

Resolution

pH: 0.01pH; mV: 0.1mV; Temp:0.1℃

Accuracy

pH: ±0.01pH±1bit; mV: ±0.03%(full scale)

Temp:±0.3℃

Accuracy of burette volume

10ml burette:±0.025ml

20ml burette:±0.035ml

Infusion solution or feeding speed of burette

55±10s(where burette is full scale)

Repeatability of titration analyzer

0.2%

Repeatability accuracy

≤0.2mV

Stability

±0.3 mV±1bit/3h

Control titration sensitive

±2mV

Normal working condition

a) Ambient temperature : (5 – 40)℃

b) Relative humidity : ≤ 80%

c) Power supply:

AC(220V±22)V,(50±1)Hz;

d) No strong electromagnetic interference except the geomagnetic field.