Description
Technical Specifications
Power supply | AC 220 ±22 V DC 12 V +5 V (the instrument has a built-in 4800 mAh large-capacity lithium battery) |
Power | ≤5 W |
Range and resolution | 0.001 g/L to 9999 g/L |
Repeatability error | ≤0.03% (0.0003, potassium dichromate solution) |
Instrument stability | The instrument does not need to be preheated before booting, and the drift is less than 0.3% (0.003, transmittance measurement) within one hour. The instrument is displayed digitally without drift (transmittance measurement) within one hour of starting on, and the digital drift does not exceed 0.3% (transmittance measurement) and 0.001 (absorbance measurement) within two hours. |
Linearity error | ≤0.1% (0.001, copper sulfate detection) |
Red light | 680 ±2nm, Blu-ray 420 ±2 nm, green light 510 ±2 nm, orange light 590 ±4 nm |
Instrument seismic rating | IP65 |
pH value test range | 1 pH to 14 pH |
pH value accuracy | 0.01% |
pH value error | ±0.1% |
Salt content test range | 0 ppm to 9999 ppm |
Salt content error | ±2% |
Display screen resolution | 1024 x 600 |