Chengyi
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| Brand | Chengyi |
|---|---|
| Origin | Sichuan, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | JP-2C |
| Price Range | USD 2,800 – 4,300 (FOB) |
| Polarographic Sensitivity | <5×10⁻⁸ mol/L (Cd²⁺, Linear Sweep Polarography) |
| Resolution of Polarographic Peaks | <32 mV |
| Tolerance to Pre-reduced Interferents | >10,000:1 |
| Repeatability Error | <0.5% |
| Range Switching Error | <0.5% |
| Current Range | 15 nA – 400 µA F.S., 23 programmable decades |
| Polarization Potential Range | ±3904 mV, minimum step 32 mV |
| Scan Rate | 250 mV/s |
| Scan Amplitude | 500 mV |
| Scan Period | 1 s – 1000 s |
| Power Supply | 100–240 VAC, 50/60 Hz |
| Weight | 15 kg |
| Display | 19″ LED LCD (1366×768), USB mouse & dual USB host ports (for firmware update & data export) |
| Parameter Storage | Up to 5 user-defined methods |
| Onboard Quantification | Standard Comparison Method supported |
| ADC/DAC Resolution | 12-bit (1/4096 precision) |
| Embedded Platform | ARM-based real-time control system |
| Compliance | Designed for GLP-aligned laboratory workflows |
| Brand | Chengyi |
|---|---|
| Origin | Sichuan, China |
| Model | JP-2D |
| Polarographic Current Range | 15 nA–400 µA (F.S., 23 programmable ranges) |
| Polarization Potential Range | ±3904 mV (32 mV resolution) |
| Scan Rate | 50–1000 mV/s |
| Scan Amplitude | 50–1000 mV |
| Scan Period | 1–1000 s |
| Sensitivity | <5×10⁻⁸ mol/L (Cd²⁺, linear sweep polarography) |
| Resolution | <32 mV |
| Anti-Interference Ratio (pre-reduction substances) | >10⁴:1 |
| Repeatability Error | <0.3% |
| Range-Switching Error | <0.3% |
| ADC Precision | 18-bit |
| Power Supply | 100–240 VAC, 50/60 Hz |
| Power Consumption | ~30 W |
| Weight | 15 kg |
| Interface | USB 2.0 |
| Integrated Control Unit | 19.5″ all-in-one industrial PC (optional external Windows PC support) |
| Software | JP-2D Polarographic Analysis Suite (Windows 7/8/10, 32/64-bit |
| Brand | Chengyi |
|---|---|
| Origin | Sichuan, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | JP-2E |
| Price Range | USD 4,200 – 7,000 |
| Sensitivity | <5×10⁻⁸ mol/L (Cd²⁺, linear sweep polarography) |
| Resolution | <32 mV |
| Anti-interference Ratio (pre-reduction substances) | >20,000:1 |
| Repeatability Error | <0.4% |
| Range Switching Error | <0.4% |
| Current Range | 15 nA – 400 µA F.S., 23 programmable ranges |
| Polarization Potential | ±4000 mV, min. step 2 mV |
| Scan Rate | 50–1000 mV/s |
| Scan Amplitude | 50–1000 mV |
| Cycle Time | 2–22 s |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Weight | ~15 kg |
| Brand | Chengyi |
|---|---|
| Model | JP-303E |
| Origin | Sichuan, China |
| Sensitivity | <2×10⁻⁸ mol/L (Cd²⁺, linear sweep polarography) |
| Peak Resolution | <30 mV |
| Antioxidant Tolerance | >20,000:1 |
| Repeatability Error | <0.1% |
| Range Switching Error | <0.2% (≥1.5×10³ nA), <0.4% (≤1.0×10³ nA) |
| Potential Resolution | 2 mV |
| Current Resolution | 0.03% of full scale (conventional, 1st & 2nd derivative modes) |
| Current Range | (6–4×10⁵) nA, 25 programmable ranges |
| Polarization Potential Range | ±4094 mV, min. step 2 mV |
| Scan Rate | 50–1000 mV/s, continuously adjustable |
| Scan Amplitude | 0–1600 mV, min. step 2 mV |
| Scan Duration | 1–1000 s |
| Power Supply | AC 220 V, 50/60 Hz |
| Brand | Chengyi |
|---|---|
| Origin | Sichuan, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic Lab-Scale Dew Point Analyzer |
| Model | USI-3 |
| Pricing | Available Upon Request |
| Instrument Principle | Electrolytic (Phosphorus Pentoxide Sensor) |
| Operating Temperature | 5–35 °C |
| Accuracy | ±3% of total water mass |
| Repeatability | ≤1% RSD |
| Measurement Range | 0.0000–99.999 mg H₂O |
| Power Supply | AC 220 ± 22 V, 50–60 Hz or DC 10–45 V (for integrated dryer unit) |
| Carrier Gas | Ultra-Dry Nitrogen (<10 ppmv H₂O), Flow Rate: 70 ± 20 mL/min |
| Brand | Chengyi |
|---|---|
| Origin | Sichuan, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | ZDZ-1J |
| Measurement Principle | Thermal Conductivity (Pirani) |
| Pressure Range | 1.0 × 10⁵ Pa to 1.0 × 10⁻¹ Pa (Atmosphere to 0.1 Pa) |
| Vacuum Port | KF16 |
| Display | TFT Touchscreen Interface |
| Processor | ARM Cortex-M3 |
| Accuracy | ±20% of reading |
| Standard Gauge Tube | CY-1Z Pirani Sensor (KF16 flange) |
| Cable Length | 3 m |
| Dimensions (H×W×D) | 103 × 120 × 155 mm |
| Weight | ~2.0 kg |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Optional Outputs | 0–10 V analog output |