Specifications:

• III . Testing Items : It can test heavy metal such asarsenic、lead、mercury、 cadmium、 chromium、copper、nickel、 aluminum .(Notes : Instrument need to be upgraded when testing aluminumaccording to customers’ need .

Description:

Technical Index for the Instrument.

1.    Power: 12V battery for DC ;  220V±22V for AC .

2.    Testingrange and Accuracy :

9999μg /mL,   resolution 1μg/mL (1μg/mL≈1ppm≈Lmg/kg) ;

999.9μg/mL,   resolution 0.Lμg/mL (1μg/mL≈1ppm≈Lmg/kg) ;

99.99μg/mL,   resolution 0.01μg/mL (1μg/mL≈1ppm≈Lmg/kg) ;

9.999μg/mL,   resolution 0.001μg/mL (1μg/mL≈1ppm≈Lmg/kg) .

3.  Stability:

Displayed drift number is lessthan 0.4% (T) or 0.3 % (A) , (transmittance measurement) within 3minutes after powering on for 20 minutes .

4.    Sensitivity: Kλ≥3.5×10-3. (Testing in potassium dichromate standardsolution) .

5.    Repeatability: Error is less than 0.4% (T) or 0.003 (A), ( testing in potassium dichromate standard solution ).

6.    LinearError : Absorbance range : 0.1-0.3, linearerror≤±6% ;Absorbance : 0.3-0.6 , linear error: ≤±4% ; Absorbance : 0.6-0.8 , linear error: ≤±5% ( testing in potassium dichromate standardsolution ) ..

7.    PowerConsumption : ≤ 10W .

III . Testing Items :

It can test heavy metal such asarsenic.lead.mercury. cadmium. chromium.copper.nickel. aluminum. (Notes : Instrument need to be upgraded when testing aluminumaccording to customers` need .