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| Brand | Huake Instrument |
|---|---|
| Origin | Beijing, China |
| Model | HK-3140WSA |
| Measurement Principle | Coulometric Karl Fischer Titration |
| Detection Range | 1 μg – 200 mg H₂O |
| Resolution | 0.1 μg |
| Accuracy | ±2 μg (3–1000 μg), ±0.3% RSD (>1 mg H₂O) |
| Electrolysis Current | 0–400 mA |
| Electrolysis Rate | 2.2 mg/min (37 μg/s) |
| Display | 800×480 Color TFT Touchscreen (Bilingual: English/Chinese) |
| Data Storage | 500 Time-Stamped Records |
| Connectivity | USB 2.0, RJ-45 Ethernet (LIMS-Compatible), RS-232 (Printer Optional) |
| Power Supply | 100–240 VAC, 50/60 Hz |
| Dimensions | 400 × 260 × 240 mm (L×W×H) |
| Weight | ~2 kg |
| Compliance | Designed for ASTM D6304, ISO 12937, USP <921>, and GLP/GMP-aligned laboratory workflows |
| Brand | Huake Instrument |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | HK-268 |
| Pricing | Available Upon Request |
| Measurement Range | NaOH: (0–5.00) wt% |
| H₂SO₄ | (0–5.00) wt% |
| HCl | (0–10.00) wt% |
| NaCl | (0–5.00) wt% or (0–10.00) wt% (custom ranges available upon request) |
| Accuracy | ±1.5% of Full Scale (F.S.) |
| Measured Media | Aqueous solutions of HCl, NaOH, H₂SO₄, NaCl (specified at order) |
| Temperature Compensation Range | 0–55 °C |
| Display | 4-digit, 0.8-inch LED |
| Power Supply | 220 V AC via external power adapter (~5 W) |
| Dimensions (L×W×H) | 350×230×120 mm |
| Weight | 1.5 kg |
| Sensor Probe | Ø39×100 mm |
| cable length | 1 m |
| Brand | Huake Instrument |
|---|---|
| Origin | Beijing, China |
| Model | HK-3C |
| Instrument Type | Benchtop |
| Parameter Type | Single-parameter (pH) |
| Measurement Range | 0.00–14.00 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.02 pH |
| Calibration Solutions | GB/T 604–2002 compliant standard buffers (pH 4.00, 6.86, 9.18 at 25 °C) |
| Temperature Compensation | Automatic or manual (0.1–60.0 °C) |
| Input Impedance | ≥1 × 10¹² Ω |
| Response Time (T₉₀) | ≤60 s at 25 °C |
| Display | 192 × 64 dot-matrix LCD (switchable Chinese/English) |
| Power Supply | AC 100–240 V, 50–60 Hz |
| Power Consumption | 3 W |
| Dimensions | 270 × 200 × 65 mm (L × W × H) |
| Weight | 1.5 kg |
| Brand | Huakeyi |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | HK-3140WSA |
| Pricing Range | USD 7,000–14,000 (FOB) |
| Titration Method | Fully Automatic Coulometric Titration |
| Instrument Type | Coulometric Karl Fischer Moisture Analyzer |
| Water Content Measurement Range | 1 µg – 200 mg H₂O |
| Resolution | 0.1 µg |
| Accuracy | ±2 µg for 3–1000 µg H₂O |
| Minimum Dispensed Volume | 1 µL (via syringe) |
| Electrolytic Current Output | 0–400 mA |
| Electrolysis Rate | 2.2 mg/min (37 µg/s) |
| Power Consumption | 50 W |
| Operating Voltage | 100–240 VAC, 50/60 Hz |
| Dimensions | 400 × 260 × 240 mm (L×W×H) |
| Weight | 2.0 kg |
| Data Storage | 500 timestamped records with searchable filters (date range, sample ID) |
| Connectivity | Standard USB 2.0, RJ-45 Ethernet port |
| Display | 800×480 color TFT-LCD touchscreen with bilingual (English/Chinese) UI |
| Stirring Speed | 5 adjustable levels |
| Safety & Diagnostics | Real-time electrode open/short circuit detection, blank current auto-compensation, endpoint drift correction, overcurrent/overheat protection |
| Brand | Huake Instrument |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | HK-307 |
| Detection Parameters | Single-parameter (Conductivity/TDS/Resistivity/Salinity/Temperature) |
| Form Factor | Benchtop |
| Conductivity Range | (0.00–20.00) µS/cm |
| TDS Range | 0–100 g/L |
| Resistivity Range | 0–100 MΩ·cm |
| Salinity Range | 0–100 ppt |
| Temperature Range | (0.0–99.9) °C |
| Accuracy | ±1.5% FS |
| Minimum Resolution | 0.001 µS/cm |
| Display | 192 × 64 dot-matrix LCD (English/Chinese switchable) |
| Temperature Sensor | Pt1000 |
| Temp. Compensation | Automatic or Manual (0.1–60.0 °C, reference 25 °C, coefficient 0.00–9.99 %/°C) |
| Response Time (T90) | 30 s at 25 °C |
| Operating Ambient | 5–45 °C, ≤90% RH (non-condensing) |
| Power Supply | AC 100–240 V, 50–60 Hz |
| Power Consumption | 3 W |
| Dimensions | 270 × 200 × 65 mm (L×W×H) |
| Weight | 2 kg |
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