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| Brand | Ju Chuang Environmental |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | JC-ZP01S |
| Instrument Type | Multi-Nutrient Fertilizer & Soil Analyzer |
| Detection Range | N: 5–500 mg/kg, P: 2–200 mg/kg, K: 10–600 mg/kg |
| Detection Capability | Simultaneous quantification of nitrogen (N), phosphorus (P), and potassium (K) in soil and fertilizer samples |
| Display | 5.1-inch backlit LCD with Chinese character interface |
| Power Supply | AC 220 ± 22 V / DC 7.5 V (optional built-in rechargeable Li-ion battery) |
| Power Consumption | ≤6 W |
| Repeatability Error | ≤0.5% |
| Linearity Error | ≤3% |
| Optical Sensitivity | Red light ≥4.5 × 10⁻⁵, Blue light ≥3.17 × 10⁻³ |
| Wavelength Accuracy | Red: 620 ± 4 nm, Blue: 440 ± 4 nm |
| Data Storage | ≥1,000 test records with timestamp, sample ID, crop type, yield target, and recommended application rate |
| Output | Built-in thermal printer for on-site report generation (test parameters, date/time, crop-specific fertilizer recommendations, dosage in kg/ha) |
| Sample Throughput | Single soil NPK analysis ≤15 min |
| Operating Environment | Field-deployable portable design |
| Control System | Embedded microcomputer with touch-sensitive keypad interface |
| Compliance | Designed for routine agricultural laboratory and extension service use |
| Brand | ATAGO |
|---|---|
| Origin | Japan |
| Model | PAL-Soil |
| Measurement Range (w/w) | 0–200% |
| Measurement Range (v/v) | 0–100% |
| Accuracy (w/w) | ±2% (0–40%), ±5% (41–100%) |
| Accuracy (v/v) | ±1% (0–60%), ±2% (61–100%) |
| Temperature Range | 10–40°C (ATC) |
| Resolution | 0.1% |
| Power | 2 × AAA batteries |
| IP Rating | IP65 |
| Dimensions | 5.5 × 3.1 × 10.9 cm |
| Weight | 100 g (instrument only) |
| Brand | Peiou |
|---|---|
| Origin | Shanghai, China |
| Model | SKD-300 |
| Measurement Range | 0.07–140 mmol/L |
| Recovery Rate | >99.5% |
| Repeatability (RSD) | ≤0.5% |
| Distillation Time Range | 0–99 min |
| Sample Throughput | 3–8 min/sample |
| Boric Acid Delivery | Constant-pressure dosing system |
| Program Storage | 10 customizable acid addition & distillation protocols |
| Display | LED digital interface |
| Dimensions | 370 × 300 × 680 mm |
| Construction | ABS engineering plastic housing with high-temperature/acid-alkali resistant tubing and seals |
| Safety Features | Dry-run prevention (Peiou proprietary digestion cup), auto low-water cutoff, emergency stop button |
| Compliance | Designed to support ASTM D4373, ISO 11260, and GB/T 22105.3–2008 workflows |
| Brand | Peiou |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | SKD-3600 |
| Pricing | Available Upon Request |
| Measurement Range | 0.07–140 cmol/kg |
| Titration Step Volume | 0.8 µL/step |
| Titration Precision | RSD < 0.002 µL/step |
| Repeatability | RSD < 0.5% |
| Recovery Rate | >99.5% |
| Distillation Time | 3–8 min/sample |
| Reagent Pump Capacity | 0–150 mL (1 mL increments) |
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