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| Brand | Huake Instrument |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | HK-288 |
| Price Range | USD 4,200 – 7,000 (FOB) |
| Instrument Type | Laboratory Turbidimeter |
| Measured Parameter | Turbidity |
| Operating System | Windows CE |
| Display | 7-inch TFT LCD Touchscreen |
| Light Source | High-Stability Infrared LED (850 nm) |
| Measurement Principle | Nephelometric Detection (90° Scattered Light) with Chromatic Compensation |
| Range | 0–1000 NTU |
| Resolution | 0.01 NTU |
| Accuracy | ±5% of reading |
| Repeatability | ±1% RSD |
| Drift | ≤±1.5% FS / 30 min |
| Units | NTU, FTU, mg/L (as SiO₂) |
| Data Storage | 100,000 records (measurements, calibrations, system logs) |
| Interface | USB 2.0 |
| Calibration Options | 1-, 2-, or multi-point (up to 5 points) |
| Compliance | CMC Certified (China Metrology Certification, Certificate No. CMCC2023-XXXXX) |
| Environmental Operating Conditions | 5–45 °C ambient |
| Power Supply | AC 85–265 V, 45–65 Hz |
| Power Consumption | 10 W |
| Dimensions (L×W×H) | 390 × 248 × 175 mm |
| Weight | 4.2 kg |
| Brand | Huake Instrument |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | HK-518 |
| Price Range | USD 1,400 – 4,200 (FOB) |
| Instrument Type | Benchtop Water Quality Analyzer |
| Analyte | Cu²⁺ (Copper Ions) |
| Display | 192 × 64 Dot-Matrix LCD (Chinese/English Switchable) |
| Measurement Range | 0–200 µg/L |
| Resolution | 0.1 µg/L |
| Accuracy | ±2% FS |
| Repeatability | ≤1% RSD |
| Stability | ±2% FS / 4 h |
| Operating Temperature | 5–45 °C |
| Relative Humidity | ≤90% RH (non-condensing) |
| Power Supply | AC 100–240 V, 50–60 Hz |
| Power Consumption | 40 W |
| Dimensions (L×W×H) | 392 × 260 × 100 mm |
| Weight | 5 kg |
| Brand | Huake Instrument |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | HK-508 |
| Price Range | USD 1,400 – 4,200 (FOB) |
| Instrument Type | Benchtop Laboratory Water Quality Analyzer |
| Analyte | Total Dissolved Iron (Fe²⁺/Fe³⁺) |
| Display | 192 × 64 Dot-Matrix LCD (Chinese/English Switchable) |
| Measurement Range | 0–200 µg/L |
| Resolution | 0.1 µg/L |
| Accuracy | ±3% FS |
| Repeatability | ≤1.5% RSD |
| Drift | ≤±1.5% FS / 4 h |
| Operating Temperature | 5–45 °C |
| Relative Humidity | ≤90% RH (non-condensing) |
| Power Supply | AC 100–240 V, 50–60 Hz |
| Power Consumption | 40 W |
| Dimensions (L×W×H) | 392 × 260 × 100 mm |
| Weight | 5 kg |
| Brand | Huake Instrument |
|---|---|
| Origin | Beijing, China |
| Model | HK-1305 |
| Instrument Type | Online Water Quality Analyzer |
| Measurable Parameters | Conductivity, pH, Dissolved Oxygen (DO) |
| Display Resolution | 0.01 NTU (Turbidity), 0.1 °C (Temperature) |
| Measurement Accuracy | ±5% of reading (turbidity), ±0.5 °C (temperature) |
| Output Signals | Dual isolated 4–20 mA (or 0–10/0–20 mA), max. 800 Ω load per channel |
| Relay Outputs | 4 programmable relays (high/low alarm or electrode cleaning control) |
| Communication Interface | Isolated RS-485, Modbus RTU protocol |
| Data Storage | ≥100,000 data points |
| Power Supply | AC 100–240 V, 47–63 Hz |
| Enclosure Rating | IP65 (cast aluminum housing) |
| Operating Temperature | 0–40 °C (sample), −20–55 °C (storage) |
| Sample Flow Rate | 6–20 L/h |
| Max. Suspended Solid Size | ≤5 µm (no colloids or oils) |
| Response Time | ≤30 s |
| Power Consumption | ≤12 W |
| Weight | 6 kg |
| Mounting Options | Panel-mount, wall-mount, pipe-clamp |
| Brand | Huake Instrument |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | ZFSC-I |
| Price Range | USD 70,000–100,000 (FOB) |
| Instrument Type | Online Water Quality Analyzer |
| Measured Parameter | Dissolved Hydrogen |
| Display Resolution | 0.01 µg/L |
| Measurement Range | 0–10 µg/L and 0–100 µg/L |
| Accuracy | ±3% FS or ±0.5 µg/L (whichever is greater) |
| Response Time (T90) | 5 s |
| Temperature Compensation Range | 5.0–45.0 °C (manual/automatic) |
| Sample Temp. Range | 5.0–45.0 °C |
| Flow Rate | 50–350 mL/min |
| Max. Suspended Particle Size | ≤5 µm (no colloids or oils) |
| Ambient Temp. | 5.0–45.0 °C |
| Humidity | ≤90% RH (non-condensing) |
| Power Supply | AC 100–240 V, 50–60 Hz |
| Max. Power Consumption | ≤500 W |
| Insulation Strength | 1500 VAC for 1 min |
| Brand | Huake Instrument |
|---|---|
| Model | HK-2301 |
| Type | Portable / Handheld Water Quality Analyzer |
| Measurement Parameters | pH, ORP, Conductivity, TDS, Salinity, Temperature |
| Display | 3.5-inch color LCD |
| pH Range | 0.00–14.00 |
| pH Resolution | 0.01 |
| pH Accuracy | ±0.02 |
| ORP Range | −2000 to +2000 mV |
| ORP Resolution | 0.01 mV |
| ORP Accuracy | ±1% FS |
| Conductivity Range | 0.00–20.00 mS/cm (with selectable cell constants K = 0.01, 0.1, 1.0, 10.0 cm⁻¹) |
| TDS Range | 0.00–80.0 g/L (based on 0.5–0.8 conversion factor) |
| Salinity Range | 0.00–80.0 ppt |
| Temperature Range | 0.0–99.9 °C |
| Temp. Resolution | 0.1 °C |
| Temp. Accuracy | ±0.5 °C |
| Temperature Compensation | Automatic (0.0–60.0 °C), adjustable coefficient (0.0–60.0 %/°C) |
| Input Impedance | ≥1 × 10¹² Ω |
| Response Time (T90) | ≤30 s (pH), ≤90 s (conductivity) |
| Battery Life | ≥16 h continuous operation |
| Dimensions | 240 × 123 × 51 mm (H×W×D) |
| Weight | 0.5 kg |
| Operating Environment | 5–45 °C, ≤93% RH (non-condensing) |
| Storage Temperature | −25 to +55 °C (electrodes stored separately above 0 °C) |
| Brand | Huake Instrument |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | HK-1305TU |
| Instrument Type | Online Water Quality Analyzer |
| Measured Parameter | Turbidity |
| Measurement Range | (0.00–19.99) NTU and (20.0–500.0) NTU |
| Resolution | 0.01 NTU |
| Accuracy | ±5% of reading |
| Repeatability | ±1% |
| Zero Drift | ±1% FS / 30 min |
| Stability | ±1% FS / 30 min |
| Temperature Compensation | Integrated NTC30K sensor (±0.5 °C accuracy, 0.1 °C resolution) |
| Output Signals | Isolated dual-channel (0–10) mA / (0–20) mA / (4–20) mA (≤0.1 mA error, 800 Ω load) |
| Relay Outputs | Two configurable relays |
| Data Storage | ≥100,000 points |
| Cleaning Interval | Adjustable in 10-minute increments |
| Response Time | ≤30 s |
| Sample Temp. Range | 0–40 °C |
| Flow Rate | 6–20 L/h |
| Max. Suspended Particle Size | ≤5 µm (no colloids or oils) |
| Power Supply | AC 100–240 V, 47–63 Hz |
| Power Consumption | ≤12 W |
| Enclosure Rating | IP65 (transmitter), IP68 (sensor) |
| Operating Humidity | ≤90% RH (non-condensing) |
| Storage Temp. | −20 to +55 °C |
| Safety Compliance | IEC 61010-1, leakage current ≤3.5 mA, grounding resistance ≤0.5 Ω, insulation resistance ≥40 MΩ, dielectric strength: AC 1500 V / 1 min |
| Display | 480×272 dot-matrix LCD (Chinese/English switchable) |
| Mounting Options | Panel-mount, wall-mount, pipe-clamp |
| Dimensions (Transmitter) | 146 mm × 146 mm |
| Dimensions (Sensor) | 302 mm × 155 mm |
| Sensor Cable Length | 10 m |
| Weight | 6 kg |
| Brand | Huake Instrument |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China-made) |
| Model | HK-228 |
| Price Range | USD 1,400 – 4,200 |
| Instrument Type | Benchtop Water Quality Analyzer |
| Analyte | Hydrazine (N₂H₄) |
| Display | 192 × 64 Dot-Matrix LCD (Chinese/English Switchable) |
| Measurement Range | 0–100 µg/L |
| Resolution | 0.1 µg/L |
| Basic Error | ±2% FS |
| Repeatability | ≤1% |
| Stability | ±1% FS / 4 h |
| Ambient Temperature | 5–45 °C |
| Relative Humidity | ≤90% RH (non-condensing) |
| Power Supply | AC 100–240 V, 50–60 Hz |
| Power Consumption | 40 W |
| Dimensions (L×W×H) | 392 × 260 × 100 mm |
| Weight | 5 kg |
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