HANNA HI97705 二氧化硅低量程便携式光度计 (0.00 ~ 2.00 mg/L, 0.01 mg/L)

Silica LR

Range: 0.00 to 2.00 mg/L (ppm) (as SiO₂)

Resolution: 0.01 mg/L

Accuracy @25°C (77°F): ±0.03 mg/L ±3% of reading

Method adaptation of the ASTM D859, heteropoly blue method

Measurement System

Light Source: light emitting diode

Bandpass filter: 610 nm

Bandpass filter bandwidth: 8 nm

Bandpass filter wavelength accuracy: ±1.0 nm

Light Detector: silicon photocell

Cuvette type: round 24.6 mm diameter (22 mm inside)

Additional Specifications

Auto logging: 50 readings

Display: 128 x 64 pixel B/W LCD with backlight

Auto-off: after 15 minutes of inactivity (30 minutes before a READ measurement)

Battery type / Life: alkaline 1.5 V AA (3) / > 800 measurements (without backlight)

Environment: 0 to 50°C (32 to 122°F); 0 to 100% RH, non-serviceable

Dimensions: 142.5 x 102.5 x 50.5 mm (5.6 x 4.0 x 2.0")

Weight: 380 g (13.4 oz.)