Hanna HI96749 微电脑低量程六价铬（Cr）浓度测定仪（0至300μg/ L）

Range: 0 to 300 µg/L
Resolution: 1 µg/L
Accuracy: ±1 µg/L ±4% of reading at 25°C
Light Source: Tungsten lamp
Light Detection: silicon photocell with narrow band interference filter @ 525 nm
Battery Type / Life: 1 x 9V / approx. 40 hours of continuous use;
auto-off after 10 minutes of non use
Environment: 0 to 50°C (32 to 122°F); RH max 95% non-condensing
Dimensions: 192 x 104 x 69 mm (7.6 x 4.1 x 2.7")
Weight: 360 g (12.7 oz.)
Method: Adaptation of the ASTM Manual of Water and Environmental Technology,D1687-92, diphenylcarbohyzide method. The reaction between Cr VI and reagents causes a purple tint in the sample.
Order Information: HI 96749 is supplied with sample cuvettes with caps (2), 9V battery and instruction manual.
 

Manual