2013 APEX ppm ph meter be in great demand

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APEX-GDD350 ppm ph meter

electrical conductivity meter is widely used to measure the electrical conductivity in a solution. It is a popular instrument used in hydroponics, aquaculture, freshwater and other fields to monitor the amount of nutrients, salts or impurities in the water.

 

APEX ppm ph meter  Working Principle

A laboratory conductivity meters generally used a potentiometric method and four electrodes. The electrodes are usually made of platinum metal. An alternating current is applied to the outer pair of the electrodes. The potential between the inner pair can be measured. Conductivity could be measured using the distance between the electrodes and their surface area, but generally, for accuracy, a calibration is using electrolytes of well-known conductivity.

 

APEX GDD350 ppm ph meter Features

1. Backlight LCD Screen

2. Multiple function, can used to measure conductivity, TDS, salinity and temperature.

3. Intelligent, temperature compensation and calibration can be completed automatic.

4. Power failure protection and automatic power-off functions available.

5. User can calibrate sensor coefficient and TDS conversion coefficient.

6. Measuring results can be saved, deleted and viewed. APEX hand hold conductivity can save up to 100 sets data.

7.It adopts RS-232 port and can be connected with TP-16 printer. It can also communicate with computer if matched with data collecting software.

8. It can test high purity water.If matched with the titanium alloy sensor of 0.01cm-1 and sealed measuring reservoir

9.It is equipped with DJS-1C conductance sensor(platinum black) and T-818-B-6 temperature sensor.

 

APEX  ppm ph meter Main Specification (APEX-GDD350)

1.Measuring range:

Conductivity: 0.000μS/cm~100mS/cm,five measuring ranges and automatic switch

TDS:0.000mg/L~19.99g/L, five measuring ranges and automatic switch

Salinity: (0.00~8.00)%

Temperature: (0.0~40.0) °C

2.Accuracy:

Conductivity: ±1.0%(FS)

T D S: ±1.0%(FS)

Salinity: ±0.20%

Temperature: ±0.3°C±1 bit

3.Stability: (±0.7%FS)/3h

4.Temperature compensation range: Manual/Automatic ( 0.00~40.0 ) °C

5.Power supply: 4 alkaline batteries of model 5

6.Dimension(mm):210×86×50

7 .Net Weight: 0.5kg

 

 

 

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