The ECA series soil nutrient rapid testing instrument is suitable for various levels of agricultural testing centers, agricultural research colleges, fertilizer production, agricultural material management, agricultural technology services, planting bases, agricultural machinery promotion, forestry, flowers, environmental protection, vegetable bases and other units. It can quickly detect available nitrogen, available phosphorus, available potassium, total nitrogen, total phosphorus, total potassium, organic matter content, soil salt content and soil pH value in soil, air, water, plants and fertilizers.
1、 Instrument features:
1) Menu based operation interface, color LCD large screen display, can display various data, measurement results, and other operation prompts in real-time during the measurement process, achieving good human-machine dialogue function.
2) Each step during the operation process is accompanied by a sound prompt, and any malfunctions or operational errors are accompanied by an alarm prompt, which is displayed on the LCD screen.
3) High precision optical signal acquisition and conversion circuit to improve detection accuracy.
4) ▲ Provides two printing modes for converting and printing single measurement results and multiple measurement results.
5) ▲ Common settings memory function, factory reset function, convenient for users to use.
6) Large capacity storage, capable of storing over 15000 pieces of data, and able to query any set of raw data stored based on time or sequence number.
7) ▲ Unique roller operation design, quick and convenient selection and confirmation
8) ▲ Can simultaneously measure pH and soil salinity; (Optional)
2、 Technical indicators
Nutrient measurement technology indicators:
(1) Stability: A value (absorbance) drifts less than 0.003 within three minutes
(2) Repeatability: A value (absorbance) less than 0.005
(3) Linear error: less than 3.0%
(4) Sensitivity: Red light ≥ 4.5 × 10-5, blue light ≥ 3.17 × 10-3
(5) Wavelength range: Red light 750 ± 4nm, blue light 410 ± 4nm, green light 520 ± 4nm:
1. PH value (acidity and alkalinity) measurement technical indicators:
(1) Test range: 1-14 (2) Error: ± 0.1
2. Salt content (conductivity) measurement technical indicators:
(1) Test range: 0.01% to 1.00%
(2) Relative error: ± 5%