Name
HENGMEI Soil nutrient rapid tester
Key words
Soil analysis instrument
Alternating current
180V ~ 240V, 50Hz
DC
5V ~ 12V (built-in lithium battery)
Range and resolution
0.001-9999
Stability
Less than 0.003 in three minutes
Linear error
≤3% (0.03, copper sulfate detection)
Repeatability error
≤0.5% (0.005, potassium dichromate solution)
Sensitivity
Red light ≥4.5 *10-5 Blue light ≥3.17 * 10-3
Wavelength range
Wavelength range