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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 | SCChengyi |
|---|---|
| Origin | Sichuan, China |
| Model | QFS601 |
| Measurement Range | -80 to +20 °C dew point (≈ 0.5–23,632 µL/L H₂O) |
| Accuracy | ≤ ±1 °C |
| Response Time | <30 s (63%), <60 s (90%) for rise at DP < -40 °C |
| Output Signals | 4–20 mA, RS232 or USB (user-specified) |
| Power Supply | AC 220 ± 22 V, 50–60 Hz / Internal rechargeable battery (DC) |
| Operating Conditions | Gas Temp < +60 °C, Pressure < 2 MPa, Recommended Flow Rate: 200 mL/min |
| Dimensions | 260 × 170 × 300 mm (W × H × D) |
| Origin | Sichuan, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | ZLS-23B / ZLS-24C |
| Minimum Detectable Leak Rate | 2 × 10⁻¹¹ Pa·m³/s |
| Pump Type | Oil-Diffusion Vacuum System |
| Detection Gas | Helium (⁴He⁺) |
| Mass Separation Principle | Magnetic Sector Mass Filter |
| 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 (SCChengyi) |
|---|---|
| Origin | Sichuan, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | ZLS-23B |
| Pricing | Available Upon Request |
| Minimum Detectable Leak Rate | < 2 × 10⁻¹¹ Pa·m³/s |
| Warm-up Time | ~1 h |
| Response Time | ≤ 3 s |
| Maximum Operating Pressure in Mass Spectrometer Chamber | 1 × 10⁻² Pa |
| Leak Test Port | KF25 |
| Dimensions (L×W×H) | 950 × 600 × 570 mm |
| Weight | ~65 kg |
| Power Supply | AC 220 V, ~2 kW |
| Ambient Temperature Range | +5 °C to +40 °C |
| Relative Humidity | < 80 % RH |
| Electromagnetic Environment | Low-interference zone recommended |
| Brand | Chengyi / scchengyi |
|---|---|
| Origin | Sichuan, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China-made) |
| Model | ZLS-24D/M |
| Pricing | Available Upon Request |
| Startup Time | ≤5 min |
| Minimum Detectable Leak Rate | <1×10⁻¹¹ Pa·m³/s (Negative-Pressure Mode) |
| Response Time | ≤3 s |
| Maximum Operating Pressure in Mass Spectrometer Chamber | 1×10⁻² Pa |
| Maximum Allowable Test Port Pressure | 1000 Pa |
| Leak Test Interface | KF25 |
| Dimensions (L×W×H) | 640×550×980 mm |
| Weight | ~75 kg |
| Power Supply | 220 V ±10%, ~2 kW |
| Brand | Chengyi (scchengyi) |
|---|---|
| Origin | Sichuan, China |
| Model | CZD-1 |
| Measurement Range | pH 0.00–14.00 |
| Accuracy | ±0.06 pH (pH measurement), ±0.2% (volumetric repeatability) |
| Resolution | 0.01 pH / 1 mV |
| Stability | ±0.01 pH per 3 h |
| Endpoint Setting Range | 0.00–14.00 pH or ±1400 mV |
| Control Sensitivity | ±0.1 pH / ±5 mV |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Power Consumption | 10 W |
| Net Weight | 5 kg |
| Environmental Operating Conditions | 5–40 °C, ≤85% RH |
| Origin | Sichuan, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic |
| Model | KLY-2 |
| Pricing | Upon Request |
| Product Type | Portable Dew Point Meter |
| Measurement Range | –80 to +20 °C dew point (approx. 0.5–23,632 µL/L H₂O) |
| Accuracy | ≤±0.5 °C (at factory calibration) |
| Response Time | <30 s (63%), <60 s (90%) for rise at DP < –40 °C |
| Output Signal | 4–20 mA analog |
| Operating Media Conditions | Gas temperature < +60 °C, pressure < 2 MPa, flow rate 200 mL/min |
| Dimensions | 260 mm × 170 mm × 300 mm (W×H×D) |
| Origin | Sichuan, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | JP-2E |
| Pricing | Upon Request |
| Polarographic Sensitivity | <5×10⁻⁸ mol/L (Cd²⁺, Linear Sweep Voltammetry) |
| Polarographic Peak Resolution | <32 mV |
| Anti-Interference Capability (Pre-reduced Species) | >20,000:1 |
| Repeatability Error | <0.4% |
| Current Range | 15 nA–400 µA F.S., 23 programmable decades |
| Polarization Potential Range | ±4000 mV, minimum step: 2 mV |
| Scan Rate | 50–1600 mV/s |
| Scan Amplitude | 50–1600 mV |
| Scan Period | 2–22 s |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Weight | 15 kg |
| Interface | USB 2.0 for PC connectivity |
| Software Modes | Linear Sweep Voltammetry, Stripping Voltammetry (Anodic/Cathodic), Cyclic Voltammetry (Anodic/Cathodic), First/Second Derivative Voltammetry |
| Quantitative Methods | Calibration Curve (Linear & Quadratic Regression), Standard Addition, Standard Comparison |
| Electrode Compatibility | Glassy Carbon Electrode (GCE) interface with full Dropping Mercury Electrode (DME) functional equivalence |
| Data Export | Native CSV/Excel-compatible output, curve annotation, overlay, and statistical post-processing |
| Brand | scchengyi |
|---|---|
| Origin | Sichuan, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | USI-1AB |
| Product Type | Online Dew Point Moisture Analyzer |
| Measurement Principle | Phosphorus Pentoxide (P₂O₅) Electrolytic Method |
| Operating Temperature | 5–40 °C (ambient) |
| Supply Gas Pressure | <100 kPa |
| Accuracy | ±5% of reading |
| Repeatability | <0.08 µL/L at sample moisture ≤260 µL/L |
| Range | 0–1000 µL/L (ppmv) |
| Response Time (t₆₃) | ≤3 min |
| Output Signals | 0–10 mV and 4–20 mA |
| Power Supply | AC 220 V ±10%, 50–60 Hz |
| Sample Flow Rate | 100 mL/min (measurement), 1 L/min (bypass) |
| Dimensions | 380 × 300 × 170 mm |
| Weight | 6.5 kg |
| Brand | scchengyi |
|---|---|
| Origin | Sichuan, China |
| Model | JP-06A |
| Current Measurement Range | 1×10⁻³ A to 1×10⁻⁹ A (F.S.) |
| Sensitivity | 5×10⁻⁸ mol/L for Cd²⁺ (Linear Sweep Polarography) |
| Potential Range | −4000 mV to +4000 mV (min. step: 0.15 mV) |
| Scan Rate | 0.05–1 V/s |
| DME Drop Period | 1–1000 s |
| Resolution | < 2.5 mV |
| Anti-Interference Ratio (for pre-reduced species) | 10⁴ : 1 |
| Repeatability Error | < 0.1 % |
| Range Switching Error | < 0.1 % |
| ADC | 24-bit |
| DAC | 16-bit |
| Power Consumption | < 10 W |
| 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 (SCChengyi) |
|---|---|
| Origin | Sichuan, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | ZLS-26D/M |
| Price | Upon Request |
| Minimum Detectable Leak Rate | < 5×10⁻¹² Pa·m³/s |
| Response Time | ≤ 3 s |
| Maximum Operating Pressure in Mass Spectrometer Chamber | 1×10⁻² Pa |
| Maximum Inlet Pressure at Test Port | 1000 Pa |
| Backpressure Test Duration Range | 5–30 s |
| Pump-Down & Startup Time | ≤ 5 min |
| Dimensions (W×D×H) | 640 × 550 × 980 mm |
| Weight | ~75 kg |
| Power Supply | 220 V ±10%, 50 Hz |
| Display | 12-inch Touchscreen LCD with Real-Time Leak Rate Plotting & Unit Conversion (Pa·m³/s, atm·cm³/s, mbar·L/s, Torr·L/s) |
| Data Management | Onboard Storage, Print Export, GLP-Compliant Audit Trail (via V1.0 Control Software) |
| Detection Principle | Magnetic Sector Helium Mass Spectrometry (m/z = 4) with Positive Ion Detection and Quadrupole-Assisted Peak Discrimination |
| 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 |
| 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 |
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