Soil Hardness Tester
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| Brand | Active Spectrum |
|---|---|
| Origin | USA |
| Model | SC900 |
| Measurement Units | PSI or kPa |
| Depth Resolution | 2.5 cm |
| Force Resolution | 5 PSI (35 kPa) |
| Depth Accuracy | ±1.25 cm |
| Force Accuracy | ±15 PSI (±103 kPa) |
| Penetration Range | 0–45 cm |
| Force Range | 0–1000 PSI (0–7000 kPa) |
| Max Insertion Speed | 182 cm/min |
| Max Load Capacity | 210 lb |
| Power | 4 × AAA alkaline batteries (≈12 months operation) |
| Data Storage | 772 soil profiles (GPS-off), 579 profiles (GPS/DGPS-enabled) |
| Display | 16-character × 2-line LCD |
| Weight | 1.25 kg |
| Cone Tip Diameter | 12.827 mm |
| Brand | COMECAUSE |
|---|---|
| Model | JSD-2S |
| Type | Handheld Penetrometer |
| Measurement Principle | Static Cone Penetration (Soil Resistance in kPa, kg/cm², lb, N/cm²) |
| Accuracy | ±0.1% FS (Full Scale) |
| Repeatability | ±0.05% FS |
| Operating Temperature | −20 to +70 °C |
| Probe Material | Stainless Steel |
| Probe Dimensions | Φ12 mm × 300 mm |
| Cable Length | 2 m (Φ3 mm shielded) |
| Excitation Voltage | 5–12 V DC |
| Input Impedance | 735 ±35 Ω |
| Output Impedance | 700 ±3 Ω |
| Nonlinearity | ±0.05% FS |
| Sealing Rating | IP66 |
| Display | 2.4″ Color TFT LCD |
| Data Storage | Flash memory (100,000 records) |
| Sampling Interval | 1–180 s adjustable |
| Power | 12 V / 2500 mAh Li-ion battery (10 h operation, 3 h recharge) |
| Connectivity | USB (data export to Excel), RS485 (aviation connector), optional GPS & GPRS/2G/4G module |
| Weight | 3.2 kg (including aluminum case and extension rod) |
| Brand | COMECAUSE |
|---|---|
| Model | JSD-3 |
| Type | Handheld Soil Hardness Tester |
| Measurement Range | 0–100 kg |
| Accuracy | ±0.1 %FS |
| Operating Temperature | −20 to +70 °C |
| IP Rating | IP66 |
| Probe Diameter | 12 mm |
| Probe Length | 300 mm |
| Sensor Dimensions | Ø29 × 39.5 mm |
| Power Supply | DC 5 V / 2 A |
| Battery Capacity | 6000 mAh (10 h standby) |
| Data Storage | 5 million records |
| Connectivity | Wi-Fi, GPS, USB-C, GPRS (optional) |
| Display | 3.5″ color touchscreen |
| Weight | 3.2 kg |
| Enclosure Material | Aluminum alloy case |
| Probe Material | Stainless steel |
| Brand | Jingcheng Huatai |
|---|---|
| Origin | Beijing, China |
| Model | TJSD-A |
| Measurement Range | 0–10,000 kPa |
| Depth Range | 0–450 mm |
| Accuracy | ±1% |
| Resolution | 0.1 kPa |
| Display | Touchscreen (Bilingual: English/Chinese) |
| Data Storage | 100 measurement sets |
| Interface | DB9 serial port |
| Power | 3.7 V Li-ion battery (10 h operation) |
| Operating Temperature | −10 °C to +60 °C |
| Weight | 12.9 kg |
| GPS Integration | Built-in GNSS module for georeferenced depth-compaction profiling |
| Software Compatibility | PC-based data management with curve plotting, spatial mapping, and report generation (PDF/CSV export) |
| Brand | LANENDE |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | Domestic (China) |
| Model | LD-JSD-3 Smart |
| Instrument Type | Handheld |
| Measurement Accuracy | ±0.1 %F·S |
| Operating Temperature Range | 0–40 °C |
| Processor Architecture | ARM Cortex-M3 |
| Operating System | Android-based firmware |
| Connectivity | Wi-Fi, GPS, GPRS (optional), USB-C interface |
| Display | 3.5-inch color touchscreen |
| Data Storage Capacity | Up to 5 million records |
| Data Export Format | CSV/Excel-compatible |
| Power Interface | Standard USB-C charging |
| Sensor Output | Real-time penetrometer force (N) and depth (mm) |
| Brand | Yuntang |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | YT-JSD2 |
| Max Load | 100 kg (also displayable in N and lb) |
| Resolution | 0.01 kg |
| Accuracy | ±1% FS |
| Measurement Depth | 0–450 mm |
| Power Supply | Rechargeable Ni-MH battery pack |
| Battery Runtime | 6–8 hours continuous operation |
| Temperature Drift | 0.2 µV/°C (0–60 °C) |
| Zero Drift | ≤0.1 %FS / 8 h |
| Calibration Range | Full-scale calibration |
| Operating Temperature | 0–60 °C |
| Operating Humidity | ≤80 % RH (non-condensing) |
| Overload Capacity | 150 % FS |
| Data Storage | 447 values |
| Auto-Power-Off | Adjustable from 10 to 90 minutes |
| Gravity Compensation | User-configurable local g-value |
| Peak Hold & Auto-Peak Modes | Yes |
| USB Data Export | Yes |
| Backlit LCD Display with Invert Function | Yes |
| Battery Level Indicator | 3-level icon |