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| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic |
| Model | FJA-1 |
| Price Range | USD 700 – 1,400 (est.) |
| Instrument Type | Multifunctional Electrochemical Analyzer |
| Voltage Input Range | ±1999.9 mV |
| Minimum Resolution | 0.1 mV |
| Accuracy | ±0.025% of reading + 2 digits |
| Input Impedance | >10¹² Ω |
| Sampling Rate | 3–10 Hz |
| Interface | RS-232 (USB adapter optional) |
| Software Platform | Windows-based (11 dedicated application modules) |
| Data Storage | ASCII text files with date-stamped naming convention (e.g., “pHr_YYYY_MM_DD.TXT”, “SPS_YYYY_MM_DD.TXT”) |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | MIA-4 |
| Instrument Type | Mercaptan Sulfur & Basic Nitrogen Analyzer |
| Measurement Range | ≥3 µg/g |
| Potentiometric Range | 0 to ±1999.9 mV, Resolution: 0.1 mV |
| Accuracy | ±0.025% of reading + 2 digits |
| Input Impedance | ≥1 × 10¹² Ω |
| Burette Capacity | 10 mL, Minimum Dispensing Volume: 0.01 mL |
| Relative Error | ≤5% |
| Repeatability | Compliant with GB/T 1792 and ASTM D3227 |
| Dimensions (W×D×H) | 240 × 120 × 210 mm |
| Weight | 5 kg |
| Power Consumption | ≤10 W |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | CD-10 |
| Price Range | USD 280–420 |
| Instrument Type | Multifunctional pH Controller |
| Measurement Range | 0–14 pH |
| Resolution | 0.01 pH |
| Input Impedance | >10¹² Ω |
| Output Signals | 4–20 mA analog output |
| Power Supply | 220 V AC, 50 Hz |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | JXD-2 |
| Instrument Type | Alkaline Nitrogen & Mercaptan Sulfur Analyzer |
| Measurement Range | ≥3 µg/g |
| Potential Range | 0 to ±1999.9 mV, Resolution: 0.1 mV |
| Potential Accuracy | ±0.025% of reading + 2 digits |
| Input Impedance | ≥1 × 10¹² Ω |
| Burette Capacity | 10 mL, Minimum Dispense Volume: 0.01 mL |
| Relative Error | ≤5% |
| Repeatability | Compliant with SH/T 0162 |
| Dimensions | 240 × 120 × 210 mm |
| Weight | 5 kg |
| Power Consumption | ≤10 W |
| Brand | Chuandi |
|---|---|
| Model | DDB-12B |
| Type | Portable Conductivity Meter |
| Measurement Parameter | Single-parameter (Conductivity) |
| Conductivity Range | 0–20 mS/cm |
| Resistivity Range | 0–1 MΩ |
| Salinity Range | 0.01–0.3 mol/L |
| Temperature Compensation Range | 5–40 °C |
| Accuracy | <1% FS |
| Minimum Resolution | 0.1 µS/cm |
| Electrode Constant Input | User-configurable (for automatic conductivity calculation) |
| Power Supply | Two AA (1.5 V) batteries |
| Operating Ambient | −10 to +60 °C, RH <90% |
| Dimensions | 135 × 65 × 24 mm |
| Weight | <0.16 kg |
| Linearity (Voltage vs. Conductance) | ≥98% |
| Compliance | Designed for field-deployable soil salinity and aqueous solution monitoring in accordance with standard electrochemical measurement practice |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic (China) |
| Model | DAB-2 |
| Price Range | USD 700 – 7,000 |
| Instrument Type | General-Purpose Potentiometric Titrator |
| Display Resolution | 0.01 mL |
| Precision | CV ≤ 0.3% |
| Power Supply | 12 V DC (battery-compatible) |
| Communication Interface | RS232 |
| Syringe Capacity | 10 mL |
| Valve Material | PTFE rotary valve |
| Calibration | User-performed gravimetric calibration via titration factor adjustment |
| Control Signals | Busy output, pulse-triggered titration input, TTL-level stop/drop control input |
| Operating Mode | Continuous titration with auto-refill and void compensation |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | DDB-2 / DDB-3 |
| Portability | Handheld |
| Conductivity Range | 1 µS to 100 mS (5 auto-ranging decades) |
| Accuracy | ±1.5% FS |
| Temperature Compensation Error | <±2% |
| Stability | ±0.1% FS ±1 digit/hour |
| Weight | 380 g (incl. batteries) |
| Dimensions | 180 × 100 × 40 mm |
| Power | Two AA (1.5 V) batteries |
| Operating Temp | 0–45 °C |
| RH Limit | ≤85% |
| DDB-3 Additional Function | Integrated Temperature Measurement (–10 to 100 °C, resolution 0.1 °C) |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | PHS-5 |
| Price Range | USD 280–420 |
| Instrument Type | Benchtop |
| pH Range | 0.00–14.00 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.02 pH ±1 digit |
| ORP Range | −1999.9 to +1999.9 mV |
| ORP Resolution | 0.1 mV |
| Temperature Range | −20.0 to +100.0 °C |
| Temperature Resolution | 0.1 °C |
| Input Impedance | ≥3 × 10¹² Ω |
| Measurement Update Rate | 0.5 s |
| Auto-Save Calibration & State | Yes |
| Dimensions (W×H×D) | 200 × 128 × 60 mm |
| Weight | <1.0 kg |
| Power Supply | DC 12 V |
| Power Consumption | <0.5 W |
| Operating Environment | 5–45 °C, RH <85% (non-condensing) |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic |
| Model | CD-12 |
| Price | Upon Request |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic |
| Model | FJA-8 |
| Price Range | USD 430–710 (FOB) |
| Measured Parameters | Conductivity, TDS, Resistivity, Salinity, Temperature |
| Portability | Handheld |
| Application Environment | Field, Laboratory, Soil Monitoring |
| Conductivity Range | 1 µS/cm – 10 mS/cm (5 auto-ranging decades) |
| TDS Range | 0–100 g/L |
| Resistivity Range | 0–10 MΩ·cm |
| Salinity Range | 0–0.3 mol/L |
| Temperature Range | 0–60 °C |
| Accuracy | ±2% of reading ± 0.01 µS/cm |
| Minimum Resolution | 0.001 µS/cm |
| Data Storage | 200 readings |
| Power Supply | Rechargeable 8.4 V Li-ion battery |
| Dimensions | 183 × 130 × 60 mm |
| Weight | < 0.5 kg |
| Operating Temp. | 0–45 °C |
| Relative Humidity | ≤85% RH |
| Interface | USB for PC data export |
| Software Support | FJA-6 Series PC Application Suite (data logging, calibration history, CSV export) |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | FJA-10 |
| Portability | Handheld / Field-Deployable |
| Calibration Compatibility | KCl/NaCl standard solutions (0.01–0.2 mol/L) |
| Electrode Material | Graphite |
| Temperature Compensation | Integrated NTC thermistor |
| Response Time | <20 s |
| Minimum Volumetric Water Content for Reliable Measurement | ~20% (varies with clay content) |
| Electrode Constant | Adjustable (factory-set to 100 cm⁻¹ for direct mS/cm readout) |
| Linearity (0.02–0.3 N) | R² ≥ 0.98 |
| Repeatability | Relative average deviation ≤5% (max. 10%) |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | FJA-6 |
| Price | Upon Request |
| Form Factor | Benchtop |
| Conductivity Range | 1 μS to 100 mS (5 auto-ranging spans) |
| Accuracy | ±1.5% of reading |
| Temperature Compensation Error | <±2% |
| Stability | ±0.1% FS ±1 digit/hour |
| Dimensions | 183 × 130 × 60 mm |
| Weight | <0.5 kg |
| Operating Temp | 0–45 °C |
| RH Limit | ≤85% |
| Power Supply | 5 V DC |
| Brand | Chuandi |
|---|---|
| Origin | Jiangsu, China |
| Instrument Type | Universal Potentiometric Titrator |
| Voltage Measurement Range | −1999.9 mV to +1999.9 mV |
| Voltage Resolution | 0.1 mV |
| Voltage Accuracy | ±0.025% of reading ±2 digits |
| Input Impedance | >10¹² Ω |
| Titration Precision | 0.01 mL |
| Minimum Dispensed Volume | 0.001 mL |
| Titration Error | <0.2% (using 0.1 mol/L HCl vs. 0.1 mol/L NaOH) |
| Communication Interface | RS-232 (USB-compatible via adapter) |
| Software Modules | 25 preconfigured titration & analytical methods (potentiometric, photometric, amperometric, coulometric, Karl Fischer water determination, acid-base, redox, complexometric, precipitation, pH-metric, and endpoint detection algorithms) |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | FJA-2 |
| Instrument Type | Universal Potentiometric Titrator |
| Voltage Measurement Range | −1999.9 to +1999.9 mV |
| Resolution | 0.1 mV |
| Voltage Accuracy | ±0.025% of reading ±2 digits |
| Input Impedance | >10¹² Ω |
| Titration Precision | 0.01 mL |
| Minimum Dispensed Volume | 0.001 mL |
| Titration Error | ≤0.2% (using 0.1 mol/L HCl vs. 0.1 mol/L NaOH) |
| Compliance | GB/T 1792–1988 (mercaptan sulfur in petroleum products) |
| Brand | Chuandi |
|---|---|
| Model | FJA-6 |
| Measurement Principle | Polarization/Depolarization Potentiometry |
| ORP Range | ±1999.9 mV |
| Resolution | 0.1 mV |
| Accuracy | <10 mV |
| Input Impedance | >10¹⁰ Ω |
| Minimum Measurement Time | 2 min |
| Temperature Compensation | Automatic Ag/AgCl reference electrode potential lookup via integrated thermistor |
| Power Supply | Rechargeable 8.4 V Li-ion battery with protective charging circuit |
| Interface | USB for PC connectivity |
| Operating Modes | Standalone (field-deployable) or PC-synchronized |
| Data Output | Real-time depolarization curves (E vs. log t), automatic equilibrium potential calculation, CSV export |
| Compliance | Designed for ASTM D1129, ISO 10523, and USP <791> electrochemical measurement practices |
| Brand | Chuandi |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | pHB-09B |
| Price | Upon Request |
| Measurement Range | pH 0–14 (0.01 resolution, ±0.02 pH ±1 digit) |
| ORP | ±1999 mV (0.1 mV resolution) |
| pX | Ion-selective electrode standard curve method |
| Temperature | 0–100 °C (operational limit: 60 °C |
| Input Impedance | ≥1 × 10¹² Ω |
| Power Supply | 3.7 V rechargeable Li-ion battery |
| Dimensions | 13.5 × 7 × 2.5 cm |
| Weight | 130 g |
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